Who holds WDCticker verified against the SEC company list on 2026-09-10 — a reviewed name-and-class mapping row, never an inferred symbol. how tickers are mapped ↗

WESTERN DIGITAL CORP · COM · quarter ended 2026-03-31 · 14 members disclosed WDC ↗

1,186

holders13F filers reporting this class for the quarter ended 2026-03-31; the 500 largest are listed

$82.2B

combined valuesum of the reported values across every holder; NULL values are excluded, never zero-filled

653

addsholders whose share count rose or who opened the position (new + add), by shares

121

exitsholders absent this quarter after holding last quarter — inferred from absence, not a sale record

Holders — quarter ended 2026-03-31

ranked by reported value · Δ shares vs 2025-12-31 · kind by shares

13F holders of WDC ranked by reported value
#	Filer	Reported value	Shares	Δ shares	Change
1	BlackRock, Inc.	$9.7B	35,769,222	+259,704	add
2	FMR LLC	$8.6B	31,623,418	−2,170,383	trim
3	VANGUARD CAPITAL MANAGEMENT LLC	$6.0B	22,034,861	—	no prior
4	VANGUARD PORTFOLIO MANAGEMENT LLC	$4.6B	17,172,653	—	no prior
5	JPMORGAN CHASE & CO	$4.4B	17,512,148	+3,216,183	add
6	STATE STREET CORP	$4.2B	15,465,766	−230,188	trim
7	Capital World Investors	$3.2B	11,880,038	+10,816,431	add
8	GEODE CAPITAL MANAGEMENT, LLC	$2.6B	9,477,201	+194,769	add
9	BANK OF AMERICA CORP /DE/	$2.3B	8,489,612	−3,555,039	trim
10	MORGAN STANLEY	$2.1B	7,939,106	−1,005,556	trim
11	WCM INVESTMENT MANAGEMENT, LLC	$1.7B	6,561,810	−129,399	trim
12	AMERIPRISE FINANCIAL INC	$1.6B	5,762,533	−2,757,892	trim
13	Invesco Ltd.	$1.5B	5,530,864	+75,621	add
14	UBS Group AG	$1.1B	4,182,454	−368,367	trim
15	NORTHERN TRUST CORP	$976M	3,606,563	−65,392	trim
16	AQR CAPITAL MANAGEMENT LLC	$913M	3,459,565	+486,862	add
17	Capital Research Global Investors	$895M	3,309,625	+3,309,625	new
18	Amundi	$827M	3,058,867	+659,131	add
19	Nuveen, LLC	$800M	2,959,245	−1,604,231	trim
20	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$785M	2,902,748	+93,339	add
21	D. E. Shaw & Co., Inc.	$727M	2,688,230	−3,013,088	trim
22	Bank of New York Mellon Corp	$679M	2,508,752	+435,716	add
23	DIMENSIONAL FUND ADVISORS LP	$677M	2,503,321	−1,062,021	trim
24	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$597M	2,206,941	−59,768	trim
25	Legal & General Group Plc	$576M	2,129,170	+95,615	add
26	VANGUARD FIDUCIARY TRUST CO	$516M	1,908,325	—	no prior
27	DEUTSCHE BANK AG\	$507M	1,872,796	−358,813	trim
28	HSBC HOLDINGS PLC	$417M	1,545,167	−990,403	trim
29	National Pension Service	$389M	1,437,962	+1,437,962	new
30	BANK OF MONTREAL /CAN/	$380M	1,405,042	+373,990	add
31	Maple Rock Capital Partners Inc.	$379M	1,400,434	−981,091	trim
32	AMF Tjanstepension AB	$372M	1,373,910	−394,049	trim
33	Value Aligned Research Advisors, LLC	$350M	1,295,439	+1,295,439	new
34	ROYAL BANK OF CANADA	$344M	1,271,074	−711,979	trim
35	Soroban Capital Partners LP	$310M	1,146,273	0	no change
36	RENAISSANCE TECHNOLOGIES LLC	$310M	1,146,133	+153,600	add
37	BARCLAYS PLC	$284M	1,050,033	−476,351	trim
38	WELLS FARGO & COMPANY/MN	$277M	1,024,545	+158,749	add
39	Swiss National Bank	$271M	1,003,307	+52,500	add
40	Robeco Institutional Asset Management B.V.	$266M	984,685	−392,066	trim
41	Polar Capital Holdings Plc	$263M	972,432	+59,240	add
42	NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	$241M	891,662	−133,785	trim
43	Castle Hook Partners LP	$238M	878,939	−446,731	trim
44	Sumitomo Mitsui Trust Group, Inc.	$226M	836,666	−50,393	trim
45	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	$224M	827,668	+412,055	add
46	VOYA INVESTMENT MANAGEMENT LLC	$221M	817,564	+448,942	add
47	WT Asset Management Ltd	$221M	816,707	+405,249	add
48	Mitsubishi UFJ Asset Management Co., Ltd.	$216M	796,983	+45,781	add
49	Holocene Advisors, LP	$206M	761,886	−173,096	trim
50	Vanguard Global Advisers, LLC	$202M	745,156	—	no prior
51	Anther Capital Ltd	$193M	712,395	—	no prior
52	ENVESTNET ASSET MANAGEMENT INC	$190M	701,352	+108,079	add
53	PRINCIPAL FINANCIAL GROUP INC	$183M	676,042	−316,689	trim
54	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	$182M	671,717	−127,043	trim
55	Point72 Asset Management, L.P.	$169M	623,944	+445,159	add
56	PRUDENTIAL FINANCIAL INC	$167M	616,644	−402,509	trim
57	BALYASNY ASSET MANAGEMENT L.P.	$167M	616,559	+386,903	add
58	VANGUARD ASSET MANAGEMENT, Ltd	$159M	588,392	—	no prior
59	Jericho Capital Asset Management L.P.	$157M	581,562	+581,562	new
60	PRIMECAP MANAGEMENT CO/CA/	$156M	577,210	−176,330	trim
61	CITIGROUP INC	$155M	572,493	−786,716	trim
62	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$154M	568,828	+334,887	add
63	NOMURA ASSET MANAGEMENT CO LTD	$138M	509,267	−612,828	trim
64	ProShare Advisors LLC	$136M	501,292	−116,769	trim
65	VICTORY CAPITAL MANAGEMENT INC	$134M	497,009	−90,489	trim
66	SEI INVESTMENTS CO	$134M	495,174	+23,977	add
67	ALLIANCEBERNSTEIN L.P.	$131M	763,080	−865,947	trim
68	Universal- Beteiligungs- und Servicegesellschaft mbH	$128M	473,874	+89,784	add
69	Neuberger Berman Group LLC	$123M	456,245	+30,456	add
70	NATIONAL BANK OF CANADA /FI/	$118M	434,731	+161,199	add
71	Whale Rock Capital Management LLC	$111M	412,006	+412,006	new
72	Employees Provident Fund Board	$110M	405,167	+405,167	new
73	LPL Financial LLC	$107M	396,886	+63,669	add
74	PARNASSUS INVESTMENTS, LLC	$107M	396,802	−126,695	trim
75	BNP Paribas Asset Management Holding S.A.	$101M	373,591	+168,406	add
76	FIRST TRUST ADVISORS LP	$100M	369,889	−257,290	trim
77	Gotham Asset Management, LLC	$99.5M	367,768	−138,986	trim
78	NORDEA INVESTMENT MANAGEMENT AB	$99.0M	380,371	+282,309	add
79	Korea Investment CORP	$98.8M	365,410	−5,101	trim
80	BANK OF NOVA SCOTIA	$98.2M	363,175	−765,788	trim
81	MACKENZIE FINANCIAL CORP	$98.1M	362,557	−140,737	trim
82	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	$97.0M	358,429	−234,867	trim
83	STOREBRAND ASSET MANAGEMENT AS	$96.6M	356,953	—	no prior
84	Quadrature Capital Ltd	$96.0M	354,942	+354,942	new
85	Trivest Advisors Ltd	$93.3M	345,000	−530,000	trim
86	Quantinno Capital Management LP	$91.6M	338,635	−34,550	trim
87	CANADA PENSION PLAN INVESTMENT BOARD	$90.3M	334,006	−48,204	trim
88	BAHL & GAYNOR INC	$88.0M	325,336	−49,639	trim
89	DANSKE BANK A/S	$87.6M	323,908	−16,615	trim
90	PFA Pension, Forsikringsaktieselskab	$86.2M	318,651	+318,651	new
91	Amanah Holdings Trust	$85.2M	315,000	0	no change
92	RAYMOND JAMES FINANCIAL INC	$83.9M	310,095	−26,708	trim
93	AVIVA PLC	$83.3M	307,992	+2,684	add
94	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	$81.4M	300,995	−2,691	trim
95	ADAGE CAPITAL PARTNERS GP, L.L.C.	$79.5M	293,737	+35,100	add
96	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	$79.3M	293,161	+145,961	add
97	FRANKLIN RESOURCES INC	$76.4M	282,591	−74,381	trim
98	MILLENNIUM MANAGEMENT LLC	$75.1M	277,653	−39,552	trim
99	IEQ CAPITAL, LLC	$74.7M	276,112	+31,332	add
100	Connor, Clark & Lunn Investment Management Ltd.	$74.5M	275,539	+45,068	add
101	XN LP	$74.5M	275,482	+275,482	new
102	CITADEL ADVISORS LLC	$71.9M	265,868	−1,053,898	trim
103	SCHRODER INVESTMENT MANAGEMENT GROUP	$71.7M	265,088	−20,113	trim
104	Aberdeen Group plc	$71.0M	262,328	−10,159	trim
105	TEACHER RETIREMENT SYSTEM OF TEXAS	$69.9M	258,564	−108,776	trim
106	Squarepoint Ops LLC	$69.8M	258,100	−264,190	trim
107	Bridgewater Associates, LP	$67.4M	249,039	+176,700	add
108	Clear Street Group Inc.	$65.1M	240,750	+240,750	new
109	ASSETMARK, INC	$64.7M	239,012	−30,898	trim
110	NEOS Investment Management LLC	$63.1M	233,321	+101,002	add
111	Mirae Asset Global Investments Co., Ltd.	$61.7M	227,957	+43,682	add
112	AustralianSuper Pty Ltd	$60.8M	224,701	−126,971	trim
113	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	$60.1M	222,272	−3,267	trim
114	STATE OF WISCONSIN INVESTMENT BOARD	$60.1M	222,130	−4,836	trim
115	ROYAL LONDON ASSET MANAGEMENT LTD	$59.4M	219,458	+47,857	add
116	Pictet Asset Management Holding SA	$58.3M	215,749	−126,767	trim
117	O'SHAUGHNESSY ASSET MANAGEMENT, LLC	$57.3M	211,887	+47,155	add
118	CAPITOLIS LIQUID GLOBAL MARKETS LLC	$57.1M	211,200	+211,200	new
119	HAWK RIDGE CAPITAL MANAGEMENT LP	$56.6M	209,400	−116,300	trim
120	BRAUN STACEY ASSOCIATES INC	$56.1M	207,494	−35,872	trim
121	Walleye Trading LLC	$55.9M	206,486	+114,978	add
122	GENDELL JEFFREY L	$54.1M	200,009	−10,180	trim
123	Rokos Capital Management LLP	$53.7M	198,460	+198,460	new
124	AMERICAN CENTURY COMPANIES INC	$53.6M	198,164	+56,079	add
125	Swedbank AB	$52.9M	195,532	−28,783	trim
126	ARS Investment Partners, LLC	$51.9M	191,888	−67,328	trim
127	SAMLYN CAPITAL, LLC	$51.2M	189,287	+189,287	new
128	Avala Global LP	$51.1M	189,100	0	no change
129	NEW YORK STATE COMMON RETIREMENT FUND	$51.1M	188,879	+11,300	add
130	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$50.2M	185,516	+171,574	add
131	WORLDQUANT MILLENNIUM ADVISORS LLC	$50.0M	184,934	−456,991	trim
132	Empowered Funds, LLC	$49.8M	184,287	+184,287	new
133	Mariner, LLC	$48.8M	180,497	+45,309	add
134	MANUFACTURERS LIFE INSURANCE COMPANY, THE	$48.7M	179,927	−15,432	trim
135	Ensign Peak Advisors, Inc	$48.1M	177,891	+87,284	add
136	1832 Asset Management L.P.	$47.3M	175,013	+156,771	add
137	Talos Eurisko Asset Management LP	$47.0M	173,792	−33,042	trim
138	ING GROEP NV	$46.9M	173,456	−61,254	trim
139	TD ASSET MANAGEMENT INC	$46.9M	173,242	+32,695	add
140	Cerity Partners LLC	$46.8M	173,004	−7,591	trim
141	KLP KAPITALFORVALTNING AS	$46.7M	172,723	+4,400	add
142	Vanguard Investments Australia, Ltd.	$46.2M	170,650	—	no prior
143	Chevy Chase Trust Holdings, LLC	$45.3M	167,328	−6,056	trim
144	STIFEL FINANCIAL CORP	$45.1M	166,695	+6,002	add
145	CIBC Bancorp USA Inc.	$44.2M	163,532	—	no prior
146	APG Asset Management N.V.	$42.6M	181,649	−17,468	trim
147	Alyeska Investment Group, L.P.	$42.0M	155,284	−22,008	trim
148	LGT Group Foundation	$41.8M	154,500	−9,349	trim
149	Mitsubishi UFJ Trust & Banking Corp	$41.6M	153,795	+13,268	add
150	Crossmark Global Holdings, Inc.	$41.3M	152,664	—	no prior
151	Asset Management One Co., Ltd.	$40.1M	148,345	−4,531	trim
152	Tredje AP-fonden	$40.1M	148,214	−94,715	trim
153	TORONTO DOMINION BANK	$39.5M	146,065	−28,792	trim
154	JUPITER ASSET MANAGEMENT LTD	$38.6M	142,800	+76,607	add
155	CIBC Asset Management Inc	$38.2M	141,348	−1,928	trim
156	MERCER GLOBAL ADVISORS INC /ADV	$38.2M	141,222	−1,454	trim
157	Ceredex Value Advisors LLC	$38.0M	140,666	−89,753	trim
158	PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	$37.9M	140,165	−11,589	trim
159	Atalan Capital Partners, LP	$36.4M	134,550	−570,850	trim
160	Migdal Insurance & Financial Holdings Ltd.	$36.2M	134,000	+134,000	new
161	Creative Planning	$35.6M	131,649	+24,791	add
162	Candriam S.C.A.	$35.4M	130,989	−25,320	trim
163	Spartan Wealth Advisory Services LLC	$34.6M	128,061	—	no prior
164	Alta Park Capital, LP	$34.2M	126,583	−266,896	trim
165	Susquehanna Portfolio Strategies, LLC	$33.7M	124,661	0	no change
166	Illinois Municipal Retirement Fund	$33.6M	124,156	−15,376	trim
167	CWM, LLC	$32.7M	120,888	+18,361	add
168	Rafferty Asset Management, LLC	$32.5M	120,183	−57,473	trim
169	DEPRINCE RACE & ZOLLO INC	$32.0M	118,245	−62,494	trim
170	Focus Partners Wealth	$32.0M	117,137	+71,028	add
171	State of New Jersey Common Pension Fund D	$31.8M	117,489	−1,822	trim
172	Rivermont Capital Management LP	$31.3M	115,665	−38,644	trim
173	Schonfeld Strategic Advisors LLC	$30.8M	113,743	−95,238	trim
174	Cetera Investment Advisers	$30.4M	112,415	+17,861	add
175	Eurizon Capital SGR S.p.A.	$29.7M	110,156	+110,156	new
176	APIS CAPITAL ADVISORS, LLC	$29.6M	109,600	−70,300	trim
177	Resona Asset Management Co.,Ltd.	$28.8M	107,825	+142	add
178	Allianz Asset Management GmbH	$28.7M	106,215	−21,097	trim
179	GATEWAY INVESTMENT ADVISERS LLC	$28.7M	106,203	+59,427	add
180	FIL Ltd	$28.1M	103,738	+26,856	add
181	STATE OF MICHIGAN RETIREMENT SYSTEM	$27.8M	102,657	−1,000	trim
182	NISA INVESTMENT ADVISORS, LLC	$27.4M	101,402	−82	trim
183	NewEdge Advisors, LLC	$26.9M	99,548	+99,548	new
184	Zurcher Kantonalbank (Zurich Cantonalbank)	$26.4M	97,488	+7,491	add
185	NISSAY ASSET MANAGEMENT CORP /JAPAN	$26.3M	97,121	+1,946	add
186	Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.	$26.2M	96,947	−130,378	trim
187	PANAGORA ASSET MANAGEMENT INC	$26.2M	96,741	+58,267	add
188	SEB Asset Management AB	$25.8M	95,487	—	no prior
189	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	$25.6M	94,398	+19,539	add
190	US BANCORP \DE\	$25.4M	93,840	−282	trim
191	Arizona State Retirement System	$25.3M	93,674	−1,928	trim
192	Czech National Bank	$25.0M	92,336	+2,182	add
193	Tidal Investments LLC	$24.6M	90,848	+37,832	add
194	Daiwa Securities Group Inc.	$24.5M	90,560	+3,947	add
195	UNICOM Systems, Inc.	$24.5M	90,500	+90,500	new
196	Swiss Life Asset Management Ltd	$24.3M	89,969	−36,571	trim
197	GUGGENHEIM CAPITAL LLC	$24.2M	89,468	−18,961	trim
198	FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND	$24.2M	89,416	+34,950	add
199	BANCO BILBAO VIZCAYA ARGENTARIA, S.A.	$23.8M	88,462	+7,289	add
200	Sumitomo Mitsui DS Asset Management Company, Ltd	$23.6M	87,304	−9,439	trim
201	LOOMIS SAYLES & CO L P	$23.5M	87,059	−78,670	trim
202	MML INVESTORS SERVICES, LLC	$23.1M	85,314	+7,053	add
203	Temasek Holdings (Private) Ltd	$22.5M	83,092	+83,092	new
204	LAZARD ASSET MANAGEMENT LLC	$22.4M	82,694	−178,901	trim
205	Andra AP-fonden	$22.1M	81,737	−178,663	trim
206	Man Group plc	$22.1M	81,619	−96,785	trim
207	LBP AM SA	$21.7M	80,109	+74,774	add
208	MetLife Investment Management, LLC	$21.4M	79,241	−2,691	trim
209	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$21.4M	78,976	−552	trim
210	Mediolanum International Funds Ltd	$20.9M	83,123	−11,971	trim
211	Varma Mutual Pension Insurance Co	$20.6M	76,100	0	no change
212	IMC-Chicago, LLC	$20.4M	75,502	+75,502	new
213	Park West Asset Management LLC	$20.3M	75,027	−36,500	trim
214	DnB Asset Management AS	$19.9M	73,714	+7,229	add
215	Central Asset Investments & Management Holdings (HK) Ltd	$19.9M	73,560	−60,188	trim
216	IFM Investors Pty Ltd	$19.7M	72,760	−228	trim
217	FIFTH THIRD BANCORP	$19.7M	72,692	+52,359	add
218	Retirement Systems of Alabama	$19.5M	71,998	−736	trim
219	PUBLIC SECTOR PENSION INVESTMENT BOARD	$19.0M	70,288	+20,230	add
220	LGT Fund Management Co Ltd.	$18.6M	68,870	+52,670	add
221	OSAIC HOLDINGS, INC.	$18.5M	68,556	−18,056	trim
222	Parallax Volatility Advisers, L.P.	$18.5M	68,462	−28,755	trim
223	Engineers Gate Manager LP	$18.4M	68,069	−24,275	trim
224	OFI INVEST ASSET MANAGEMENT	$17.8M	75,454	−62,177	trim
225	QRG CAPITAL MANAGEMENT, INC.	$17.8M	65,785	+4,647	add
226	Rakuten Investment Management, Inc.	$17.7M	70,489	+6,845	add
227	Melqart Asset Management (UK) Ltd	$17.4M	64,216	−35,215	trim
228	Corient Private Wealth LLC	$17.3M	65,355	−175,373	trim
229	XPONANCE LLC	$17.3M	63,879	+7,366	add
230	Vanguard Personalized Indexing Management, LLC	$17.1M	63,184	+2,197	add
231	Sienna Gestion	$17.1M	67,254	−18,727	trim
232	Vident Advisory, LLC	$16.6M	61,407	+50,015	add
233	CHAPIN DAVIS, INC.	$16.5M	61,041	−17,348	trim
234	American Assets Investment Management, LLC	$16.2M	60,000	0	no change
235	Tyro Capital Management LLC	$16.1M	59,548	+59,548	new
236	UniSuper Management Pty Ltd	$16.0M	59,251	−7,526	trim
237	Investment Management Corp of Ontario	$16.0M	59,201	+29,933	add
238	CREDIT AGRICOLE S A	$15.9M	58,681	−166	trim
239	ODDO BHF ASSET MANAGEMENT SAS	$15.7M	58,195	−24,415	trim
240	Prospera Financial Services Inc	$15.3M	56,710	+31,135	add
241	TUDOR INVESTMENT CORP ET AL	$15.1M	55,793	+53,842	add
242	Utah Retirement Systems	$15.0M	55,294	−1,462	trim
243	Sanctuary Advisors, LLC	$14.6M	53,854	−1,085	trim
244	Attestor Capital Ltd	$14.3M	52,927	+30,860	add
245	Maytus Capital Management, LLC	$14.2M	52,501	−70,499	trim
246	Vinva Investment Management Ltd	$14.1M	56,204	−142,524	trim
247	Allspring Global Investments Holdings, LLC	$14.1M	47,202	+3,810	add
248	Janus Henderson Group Ltd.	$14.0M	51,727	+16,682	add
249	ELEVATION POINT WEALTH PARTNERS, LLC	$13.9M	51,393	+49,550	add
250	Rockefeller Capital Management L.P.	$13.9M	51,233	−5,158	trim
251	EXCHANGE TRADED CONCEPTS, LLC	$13.8M	51,150	+8,026	add
252	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	$13.7M	50,802	+4,018	add
253	Calamos Advisors LLC	$13.5M	49,820	+49,820	new
254	Federation des caisses Desjardins du Quebec	$13.5M	49,790	−14,309	trim
255	Ethic Inc.	$13.4M	49,359	+14,933	add
256	Walleye Capital LLC	$13.3M	49,189	−8,982	trim
257	S&T BANK/PA	$13.1M	48,501	−18,091	trim
258	PEAK6 LLC	$13.0M	48,116	+48,116	new
259	RITHOLTZ WEALTH MANAGEMENT	$12.8M	47,387	+17,471	add
260	BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp	$12.7M	47,122	−14,439	trim
261	HighTower Advisors, LLC	$12.7M	47,036	+11,743	add
262	Summit Trail Advisors, LLC	$12.7M	47,018	+3,317	add
263	ROBOTTI ROBERT	$12.6M	46,544	−38,289	trim
264	Wealthfront Advisers LLC	$12.4M	45,852	+12,506	add
265	TRUIST FINANCIAL CORP	$12.2M	45,177	+8,165	add
266	Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	$12.1M	44,864	−3,597	trim
267	MACQUARIE GROUP LTD	$12.1M	44,830	−21,661	trim
268	XTX Topco Ltd	$12.1M	44,678	+31,881	add
269	Banco Santander, S.A.	$12.1M	44,628	+37,208	add
270	BOOTHBAY FUND MANAGEMENT, LLC	$12.0M	44,454	−35,356	trim
271	Vestmark Advisory Solutions, Inc.	$11.9M	44,087	+38,545	add
272	Mubadala Investment Co PJSC	$11.9M	43,980	+43,980	new
273	SHELTON CAPITAL MANAGEMENT	$11.5M	42,349	−1,540	trim
274	ExodusPoint Capital Management, LP	$11.4M	42,277	+42,277	new
275	Lansforsakringar Fondforvaltning AB (publ)	$11.2M	41,491	+11,416	add
276	Permit Capital, LLC	$11.1M	41,200	−38,800	trim
277	Caprock Group, LLC	$10.7M	39,580	+6,889	add
278	ASR Vermogensbeheer N.V.	$10.5M	38,917	+675	add
279	OREGON PUBLIC EMPLOYEES RETIREMENT FUND	$10.5M	38,820	−347	trim
280	PRUDENTIAL PLC	$10.2M	37,769	+30,860	add
281	Atika Capital Management LLC	$10.2M	37,717	+37,717	new
282	Baird Financial Group, Inc.	$10.0M	36,938	+36,938	new
283	Verition Fund Management LLC	$9.8M	36,263	−175,636	trim
284	Elo Mutual Pension Insurance Co	$9.8M	36,160	−5,736	trim
285	Lombard Odier Asset Management (Switzerland) SA	$9.8M	36,118	+1,989	add
286	MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC	$9.8M	36,056	−652	trim
287	Grand Alliance Asset Management Ltd	$9.7M	36,000	−15,000	trim
288	NOMURA HOLDINGS INC	$9.7M	35,958	−278,032	trim
289	NATIXIS	$9.6M	35,376	−182,478	trim
290	OP Asset Management Ltd	$9.5M	35,173	—	no prior
291	YOUSIF CAPITAL MANAGEMENT, LLC	$9.5M	35,067	−2,236	trim
292	Composition Wealth, LLC	$9.4M	34,732	+306	add
293	JANE STREET GROUP, LLC	$9.3M	34,506	−2,901	trim
294	FORA Capital, LLC	$9.0M	33,374	−28,011	trim
295	WELLINGTON MANAGEMENT GROUP LLP	$8.9M	33,049	+1,856	add
296	JOHN G ULLMAN & ASSOCIATES INC	$8.9M	32,958	−31,350	trim
297	OpenArc Corporate Advisory, LLC	$8.9M	32,794	−3,385	trim
298	COMMONWEALTH EQUITY SERVICES, LLC	$8.7M	32,324	−53,417	trim
299	Norinchukin Bank, The	$8.7M	32,278	+842	add
300	Bellwether Advisors, LLC	$8.5M	31,429	+13,686	add
301	Pathstone Holdings, LLC	$8.4M	31,206	−276	trim
302	Capital International, Inc./CA/	$8.1M	30,083	+30,083	new
303	LANDSCAPE CAPITAL MANAGEMENT, L.L.C.	$7.9M	29,356	−3,675	trim
304	Lido Advisors, LLC	$7.9M	29,287	−9,113	trim
305	CI INVESTMENTS INC.	$7.8M	28,914	+26,929	add
306	Up Capital Management, Inc.	$7.7M	28,370	+28,370	new
307	Americana Partners, LLC	$7.7M	28,325	+19,387	add
308	Oribel Capital Management, LP	$7.6M	28,200	+28,200	new
309	Merit Financial Group, LLC	$7.6M	28,028	−111	trim
310	Orion Porfolio Solutions, LLC	$7.5M	27,822	+1,454	add
311	Assenagon Asset Management S.A.	$7.4M	27,537	−8,363	trim
312	OMERS ADMINISTRATION Corp	$7.4M	27,242	+5,447	add
313	ZACKS INVESTMENT MANAGEMENT	$7.3M	27,075	+885	add
314	Banque Cantonale Vaudoise	$7.1M	26,165	−26,717	trim
315	Dilation Capital Management LP	$7.1M	26,090	+26,090	new
316	PROFUND ADVISORS LLC	$7.0M	25,825	−6,284	trim
317	Tower Research Capital LLC (TRC)	$7.0M	25,813	−780	trim
318	CSS LLC/IL	$6.9M	25,433	−14,390	trim
319	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	$6.9M	25,424	+8,705	add
320	Callan Family Office, LLC	$6.7M	24,838	−1,988	trim
321	Polar Asset Management Partners Inc.	$6.5M	23,945	+23,945	new
322	WINTON GROUP Ltd	$6.5M	23,937	+20,133	add
323	Y-Intercept (Hong Kong) Ltd	$6.4M	23,649	+23,649	new
324	CWA Asset Management Group, LLC	$6.4M	23,645	+21,938	add
325	NewEdge Wealth, LLC	$6.3M	23,460	−7,937	trim
326	MITCHELL CAPITAL MANAGEMENT CO	$6.3M	23,452	+23,452	new
327	INTECH INVESTMENT MANAGEMENT LLC	$6.2M	22,890	−106,403	trim
328	FEDERATED HERMES, INC.	$6.2M	22,849	−3,224	trim
329	Cavalier Investments, LLC	$6.1M	22,610	−59,370	trim
330	BLAIR WILLIAM & CO/IL	$6.1M	22,491	+3,572	add
331	Beck Bode, LLC	$6.0M	22,229	+22,229	new
332	Trek Financial, LLC	$5.9M	21,828	+21,828	new
333	TTP Investments, Inc.	$5.7M	20,897	−642	trim
334	Sterling Capital Management LLC	$5.6M	20,747	−7,915	trim
335	WESTPAC BANKING CORP	$5.6M	20,720	+20,720	new
336	ABN AMRO INVESTMENT SOLUTIONS	$5.6M	20,683	+3,378	add
337	Harvest Investment Services, LLC	$5.6M	20,643	+3,876	add
338	E Fund Management Co., Ltd.	$5.6M	20,570	—	no prior
339	ADAMS DIVERSIFIED EQUITY FUND, INC.	$5.5M	20,500	+20,500	new
340	MIZUHO SECURITIES USA LLC	$5.5M	20,496	−4,399	trim
341	Polymer Capital Management (HK) LTD	$5.5M	20,191	−40,692	trim
342	Convergence Investment Partners, LLC	$5.5M	20,176	+20,176	new
343	CIBC WORLD MARKET INC.	$5.4M	19,939	−31,948	trim
344	Krilogy Financial LLC	$5.4M	14,820	+4,301	add
345	Caitong International Asset Management Co., Ltd	$5.3M	19,610	+19,594	add
346	Focus Partners Advisor Solutions, LLC	$5.3M	19,525	+1,853	add
347	Blackstone Inc.	$5.2M	19,352	−1,253	trim
348	HARTFORD INVESTMENT MANAGEMENT CO	$5.2M	19,331	−428	trim
349	Dana Investment Advisors, Inc.	$5.2M	19,328	−11,792	trim
350	Collar Capital Management, LLC	$5.2M	19,226	−2,472	trim
351	Avanza Fonder AB	$5.2M	19,185	−306	trim
352	L & S Advisors Inc	$5.1M	19,003	−37,931	trim
353	Pallas Capital Advisors LLC	$5.1M	18,991	−604	trim
354	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	$5.1M	18,881	+3,945	add
355	TRIGLAV INVESTMENTS, D.O.O.	$5.1M	18,700	+18,700	new
356	St. Louis Financial Planners Asset Management, LLC	$5.0M	18,667	+18,667	new
357	TD Waterhouse Canada Inc.	$5.0M	16,913	+10,889	add
358	Aptus Capital Advisors, LLC	$5.0M	18,515	+15,881	add
359	Parkway Wealth Management Group, LLC	$5.0M	14,791	−5,705	trim
360	HIGHLAND PEAK CAPITAL, LLC	$5.0M	18,437	−75,017	trim
361	SHARPEPOINT LLC	$5.0M	18,328	−6,284	trim
362	M&T BANK CORP	$4.9M	18,068	−12	trim
363	ARMISTICE CAPITAL, LLC	$4.8M	17,885	+17,885	new
364	Private Advisory Group LLC	$4.8M	17,828	+10,549	add
365	MISSION WEALTH MANAGEMENT, LP	$4.8M	17,803	+11,884	add
366	SummitTX Capital, L.P.	$4.7M	17,557	+17,557	new
367	Vontobel Holding Ltd.	$4.7M	17,431	+13,023	add
368	STANCE CAPITAL LLC	$4.6M	17,159	+9,697	add
369	PINKERTON WEALTH, LLC	$4.6M	26,783	+1,984	add
370	Maryland State Retirement & Pension System	$4.6M	17,057	−206	trim
371	COMMERCE BANK	$4.6M	16,833	+737	add
372	Osmosis Investment Management UK Ltd	$4.5M	16,814	+16,814	new
373	Bleakley Financial Group, LLC	$4.5M	16,715	−3,430	trim
374	Sequoia Financial Advisors, LLC	$4.5M	16,684	+3,035	add
375	North Dakota State Investment Board	$4.5M	16,648	−2,371	trim
376	BOKF, NA	$4.5M	16,504	+16,224	add
377	PRELUDE CAPITAL MANAGEMENT, LLC	$4.4M	16,373	−24,544	trim
378	Night Squared LP	$4.4M	16,282	−707	trim
379	Systematic Alpha Investments, LLC	$4.3M	16,000	0	no change
380	QUADRANT CAPITAL GROUP LLC	$4.2M	15,626	−352	trim
381	Sava Infond d.o.o.	$4.2M	15,600	+15,600	new
382	Brevan Howard Capital Management LP	$4.2M	15,555	+15,555	new
383	ROMANO BROTHERS AND COMPANY	$4.2M	15,401	+175	add
384	Atria Investments, Inc	$4.2M	15,387	+2,759	add
385	&PARTNERS	$4.2M	15,060	−618	trim
386	Ameritas Investment Partners, Inc.	$4.1M	15,337	−130	trim
387	World Investment Advisors	$4.1M	15,280	+9,330	add
388	MEEDER ASSET MANAGEMENT INC	$4.1M	15,231	+1,022	add
389	Capital International Sarl	$4.1M	15,192	+15,192	new
390	VestGen Advisors, LLC	$4.1M	8,404	+8,404	new
391	AXQ CAPITAL, LP	$4.1M	15,158	+12,775	add
392	Fisher Asset Management, LLC	$4.1M	15,084	+3,093	add
393	BECK CAPITAL MANAGEMENT, LLC	$4.1M	15,063	+15,063	new
394	HB Wealth Management, LLC	$4.1M	15,023	+5,185	add
395	Dai-ichi Life Insurance Company, Ltd	$4.0M	14,835	+3,308	add
396	Spire Wealth Management	$4.0M	14,789	+11,744	add
397	INDEPENDENT FINANCIAL GROUP, LLC	$3.9M	14,597	—	no prior
398	AG2R LA MONDIALE GESTION D'ACTIFS	$3.9M	14,478	−113	trim
399	Wakefield Asset Management LLLP	$3.9M	14,349	+14,349	new
400	Camarda Financial Advisors, LLC	$3.8M	14,180	−1,283	trim
401	Summit Financial, LLC	$3.8M	14,106	+12,600	add
402	MUFG Securities EMEA plc	$3.8M	13,899	−117	trim
403	SteelPeak Wealth, LLC	$3.7M	13,776	−21,289	trim
404	TOKIO MARINE ASSET MANAGEMENT CO LTD	$3.7M	13,715	0	no change
405	Chicago Partners Investment Group LLC	$3.7M	9,531	+1,833	add
406	KNIGHTSBRIDGE ASSET MANAGEMENT, LLC	$3.7M	13,626	—	no prior
407	Baader Bank Aktiengesellschaft	$3.7M	14,413	+6,065	add
408	Inspire Investing, LLC	$3.7M	13,580	+11,707	add
409	OPPENHEIMER ASSET MANAGEMENT INC.	$3.7M	13,553	−29	trim
410	Kovack Advisors, Inc.	$3.6M	12,038	+6,746	add
411	Lifestyle Asset Management, Inc.	$3.6M	13,449	−2,835	trim
412	Artemis Investment Management LLP	$3.6M	13,364	−138,593	trim
413	Jefferies Financial Group Inc.	$3.6M	13,348	+3,034	add
414	Woodline Partners LP	$3.6M	13,336	−96,221	trim
415	UNITED CAPITAL FINANCIAL ADVISORS, LLC	$3.6M	13,257	+13,257	new
416	PINNBROOK CAPITAL MANAGEMENT LP	$3.6M	13,200	−28,123	trim
417	Cache Advisors, LLC	$3.5M	13,096	+13,096	new
418	Metis Global Partners, LLC	$3.5M	13,093	−2,658	trim
419	Roehl & Yi Investment Advisors, LLC	$3.5M	12,918	+12,918	new
420	PRINCIPAL SECURITIES, INC.	$3.4M	12,680	+3,968	add
421	MIZUHO MARKETS AMERICAS LLC	$3.4M	12,676	+12,676	new
422	Saudi Central Bank	$3.4M	12,620	+12,620	new
423	Everhart Financial Group, Inc.	$3.4M	12,488	−80	trim
424	FLORIDA FINANCIAL ADVISORS, LLC	$3.4M	12,455	+2,602	add
425	KESTRA PRIVATE WEALTH SERVICES, LLC	$3.4M	12,439	−985	trim
426	Laird Norton Wetherby Trust Company, LLC	$3.4M	12,400	+1,008	add
427	OPPENHEIMER & CO INC	$3.3M	12,145	+5,575	add
428	DAVENPORT & Co LLC	$3.3M	12,140	+8,631	add
429	Genus Capital Management Inc.	$3.2M	12,000	+12,000	new
430	ARGONAUTICA PRIVATE WEALTH MANAGEMENT, INC	$3.2M	11,848	+88	add
431	E. Ohman J:or Asset Management AB	$3.2M	11,754	0	no change
432	Concurrent Investment Advisors, LLC	$3.2M	11,690	+3,603	add
433	Emerald Investment Advisers, LLC	$3.1M	11,539	—	no prior
434	Meiji Yasuda Asset Management Co Ltd.	$3.1M	11,518	+11,518	new
435	LEVEL FOUR ADVISORY SERVICES, LLC	$3.1M	11,474	−2,492	trim
436	Meeder Advisory Services, Inc.	$3.1M	11,450	+360	add
437	Compagnie Lombard Odier SCmA	$3.1M	11,380	+11,380	new
438	Highview Capital Management LLC/DE/	$3.0M	11,142	+335	add
439	ALERUS FINANCIAL NA	$3.0M	11,102	−5,565	trim
440	PKO Investment Management Joint-Stock Co	$3.0M	11,000	+5,000	add
441	PATTON FUND MANAGEMENT, INC.	$3.0M	10,953	−18,875	trim
442	Empirical Finance, LLC	$3.0M	10,915	−6	trim
443	Financial Synergies Wealth Advisors, Inc.	$2.9M	10,873	+9,619	add
444	NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC	$2.9M	10,849	−76	trim
445	Independent Advisor Alliance	$2.9M	10,752	+7,216	add
446	Canada Post Corp Registered Pension Plan	$2.8M	10,529	−100	trim
447	Richard Bernstein Advisors LLC	$2.8M	10,478	−5,054	trim
448	CHOREO, LLC	$2.8M	10,303	−45	trim
449	Plato Investment Management Ltd	$2.8M	10,279	−1,759	trim
450	Kestra Advisory Services, LLC	$2.8M	10,262	−3,679	trim
451	Alight Capital Management LP	$2.7M	10,000	0	no change
452	DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.	$2.7M	9,805	+3,227	add
453	LVW Advisors, LLC	$2.6M	9,618	+9,618	new
454	Steward Partners Investment Advisory, LLC	$2.6M	9,616	−1,039	trim
455	GROUPAMA ASSET MANAGMENT	$2.6M	9,595	+6,788	add
456	Brooklyn Investment Group	$2.6M	9,590	+3,623	add
457	Range Financial Group LLC	$2.6M	9,558	−343	trim
458	Generali Asset Management SPA SGR	$2.6M	9,536	−3,146	trim
459	Donoghue Forlines LLC	$2.6M	9,504	−3,092	trim
460	COLDSTREAM CAPITAL MANAGEMENT INC	$2.6M	9,481	+1,370	add
461	CHESAPEAKE CAPITAL CORP /IL/	$2.5M	9,418	0	no change
462	MUFG SECURITIES AMERICAS INC.	$2.5M	9,381	+170	add
463	Dedeker Financial LLC	$2.5M	9,309	+271	add
464	Ascent Group, LLC	$2.5M	9,300	+3,205	add
465	Private Advisor Group, LLC	$2.5M	9,278	+5,765	add
466	SECURIAN ASSET MANAGEMENT, INC	$2.5M	9,196	−100	trim
467	U.S. Capital Wealth Advisors, LLC	$2.5M	9,188	+135	add
468	Kepler Cheuvreux (Suisse) SA	$2.5M	9,150	+9,150	new
469	Western Financial Corp/CA	$2.5M	9,065	+9,065	new
470	Beacon Pointe Advisors, LLC	$2.4M	8,891	+6,497	add
471	Centiva Capital, LP	$2.4M	8,847	+8,847	new
472	Apollon Wealth Management, LLC	$2.4M	8,838	+2,322	add
473	One Capital Management, LLC	$2.4M	8,801	+8,801	new
474	JACOBS LEVY EQUITY MANAGEMENT, INC	$2.3M	8,672	+8,672	new
475	Kathmere Capital Management, LLC	$2.3M	8,568	+3,598	add
476	Envestnet Portfolio Solutions, Inc.	$2.3M	8,345	−7,818	trim
477	SIGNATUREFD, LLC	$2.2M	8,250	+2,771	add
478	NorthCrest Asset Manangement, LLC	$2.2M	7,561	−1,904	trim
479	UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO	$2.2M	8,224	+6,734	add
480	Clear Harbor Asset Management, LLC	$2.2M	8,104	−578	trim
481	MAI Capital Management	$2.2M	8,067	+3,059	add
482	Savant Capital, LLC	$2.2M	8,040	+1,190	add
483	KR Capital LP	$2.2M	8,013	—	no prior
484	Retireful, LLC	$2.2M	8,004	−500	trim
485	III Capital Management	$2.2M	7,979	−10,527	trim
486	Bull Harbor Capital LLC	$2.1M	7,935	—	no prior
487	BankChampaign, National Association	$2.1M	7,869	—	no prior
488	CAPSTONE INVESTMENT ADVISORS, LLC	$2.1M	7,825	+4,923	add
489	HANSEATIC MANAGEMENT SERVICES INC	$2.1M	7,814	—	no prior
490	Leonteq Securities AG	$2.1M	7,784	−2,292	trim
491	Decker Retirement Planning Inc.	$2.1M	7,754	−11,899	trim
492	Quantbot Technologies LP	$2.1M	7,662	−8,324	trim
493	SCOTIA CAPITAL INC.	$2.0M	7,575	+1,271	add
494	Colonial River Investments, LLC	$2.0M	7,556	−4,927	trim
495	Estate Counselors, LLC	$2.0M	7,500	−18,087	trim
496	Frec Markets, Inc.	$2.0M	7,475	+1,623	add
497	Legacy Wealth Managment, LLC/ID	$2.0M	7,383	+7,376	add
498	CITIZENS FINANCIAL GROUP INC/RI	$2.0M	7,358	+2,037	add
499	Precision Wealth Strategies, LLC	$2.0M	7,342	+1,704	add
500	Siemens Fonds Invest GmbH	$2.0M	7,247	+2,400	add

Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Congress ↔ notable managers · WDC

who in Congress disclosed purchases or sales beside which notable managers added or trimmed

Congress · last 90 days

Buyers: 2 Alan Armstrong R–OK, Gilbert Ray Cisneros, Jr. D–CA-31 $2K–$30K
Sellers: 0 — —

filed 2026-06-16 → 2026-09-14 · totals are statutory ranges

Notable managers · quarter ended 2026-03-31

Adding: 3 Bridgewater Associates, Tudor Investment Corp, Moore Capital Management $82.7M held
Trimming: 2 Gotham Asset Management, Caxton Associates $99.7M held

new + add vs trim + exit, by shares · $ = reported value now, not the change · WESTERN DIGITAL CORP

Merged timeline of congressional filings and notable-manager moves on WDC
Date	Who	Change	Size
2026-09-04	Gilbert Ray Cisneros, Jr. Congress	Purchase	$1K–$15K
2026-07-21	Alan Armstrong Congress	Purchase	$1K–$15K
2026-05-15	Bridgewater Associates 13F	add	+176,700 sh
2026-05-15	Tudor Investment Corp 13F	add	+53,842 sh
2026-05-15	Moore Capital Management 13F	new	+880 sh
2026-05-15	Gotham Asset Management 13F	trim	−138,986 sh
2026-05-14	Caxton Associates 13F	trim	−10,297 sh

7 newest rows · Congress rows date by filing, 13F rows by quarter end · a 13F row is a quarter-end snapshot, not a trade

14 members of Congress disclosed WDC — the congressional view ↗