Who holds WLKticker 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 ↗

WESTLAKE CORPORATION · COM · quarter ended 2026-03-31 · 4 members disclosed WLK ↗

263

holders13F filers reporting this class for the quarter ended 2026-03-31

$4.5B

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

164

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

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 WLK ranked by reported value
#	Filer	Reported value	Shares	Δ shares	Change
1	Orbis Allan Gray Ltd	$618M	5,293,519	+906,884	add
2	Capital World Investors	$492M	4,211,006	+2,039,682	add
3	BlackRock, Inc.	$360M	3,079,087	−182,346	trim
4	BRANDES INVESTMENT PARTNERS, LP	$215M	1,842,650	+172,323	add
5	WELLINGTON MANAGEMENT GROUP LLP	$210M	1,793,517	−2,427,200	trim
6	VANGUARD PORTFOLIO MANAGEMENT LLC	$207M	1,769,808	—	no prior
7	DIMENSIONAL FUND ADVISORS LP	$171M	1,466,020	−419,658	trim
8	VANGUARD CAPITAL MANAGEMENT LLC	$170M	1,455,594	—	no prior
9	STATE STREET CORP	$161M	1,380,493	−16,140	trim
10	FMR LLC	$153M	1,312,473	+1,083,630	add
11	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$115M	981,405	+56,701	add
12	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	$110M	943,975	+67,090	add
13	UBS Group AG	$94.8M	811,266	+163,254	add
14	Holocene Advisors, LP	$85.3M	730,035	−490,587	trim
15	CITADEL ADVISORS LLC	$83.6M	715,586	+512,283	add
16	GEODE CAPITAL MANAGEMENT, LLC	$71.8M	614,334	+19,412	add
17	Nuveen, LLC	$66.0M	564,744	−88,165	trim
18	MORGAN STANLEY	$56.8M	486,508	−273,115	trim
19	SCHRODER INVESTMENT MANAGEMENT GROUP	$43.4M	374,508	+374,508	new
20	BALYASNY ASSET MANAGEMENT L.P.	$43.2M	369,672	+369,672	new
21	JACOBS LEVY EQUITY MANAGEMENT, INC	$40.8M	349,035	−319,370	trim
22	Woodline Partners LP	$39.4M	337,075	−291,084	trim
23	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$36.4M	311,762	+14,514	add
24	NEW YORK STATE COMMON RETIREMENT FUND	$36.2M	309,626	0	no change
25	ProShare Advisors LLC	$34.6M	295,811	−139,450	trim
26	Allspring Global Investments Holdings, LLC	$33.3M	285,434	−221,322	trim
27	Janus Henderson Group Ltd.	$31.5M	269,783	−64,810	trim
28	NORTHERN TRUST CORP	$31.4M	269,149	+515	add
29	FEDERATED HERMES, INC.	$31.2M	266,651	+158,921	add
30	AQR CAPITAL MANAGEMENT LLC	$30.4M	260,070	+239,535	add
31	BANK OF AMERICA CORP /DE/	$27.7M	236,986	+52,551	add
32	D. E. Shaw & Co., Inc.	$27.2M	233,183	−253,098	trim
33	Merewether Investment Management, LP	$25.7M	219,900	−168,200	trim
34	VANGUARD FIDUCIARY TRUST CO	$24.0M	205,684	—	no prior
35	DEPRINCE RACE & ZOLLO INC	$23.8M	203,366	−860	trim
36	Bank of New York Mellon Corp	$21.2M	181,070	+6,752	add
37	Invesco Ltd.	$21.0M	179,402	−33,755	trim
38	Ceredex Value Advisors LLC	$20.8M	177,900	−57,718	trim
39	Man Group plc	$18.7M	160,286	+160,286	new
40	CAPSTONE INVESTMENT ADVISORS, LLC	$15.9M	135,808	+132,689	add
41	SPROTT INC.	$15.5M	132,610	−7,390	trim
42	Quantinno Capital Management LP	$14.2M	121,444	+5,078	add
43	Recurrent Investment Advisors LLC	$13.2M	112,790	+37,157	add
44	Yaupon Capital Management LP	$12.5M	107,044	+107,044	new
45	WELLS FARGO & COMPANY/MN	$12.5M	106,705	+14,826	add
46	JANE STREET GROUP, LLC	$12.3M	105,686	+105,686	new
47	ROYAL BANK OF CANADA	$12.1M	103,951	+18,681	add
48	FIRST TRUST ADVISORS LP	$12.0M	102,299	−44,112	trim
49	MILLENNIUM MANAGEMENT LLC	$9.9M	84,997	−342,757	trim
50	Meiji Yasuda Asset Management Co Ltd.	$9.3M	79,478	+79,478	new
51	Swiss National Bank	$8.9M	75,900	0	no change
52	PDT Partners, LLC	$8.9M	75,777	+10,800	add
53	PRINCIPAL FINANCIAL GROUP INC	$8.7M	74,481	+2,762	add
54	THOMIST CAPITAL MANAGEMENT, LP	$8.5M	73,000	−38,900	trim
55	Cerity Partners LLC	$8.5M	72,679	−54,416	trim
56	AGMAN CAPITAL LLC	$8.4M	72,283	0	no change
57	MACKENZIE FINANCIAL CORP	$8.4M	71,968	+52,135	add
58	Capital International Sarl	$7.4M	63,634	+63,634	new
59	Lloyd Harbor Capital Management, LLC	$7.2M	62,000	+62,000	new
60	Rokos Capital Management LLP	$7.1M	60,800	+60,800	new
61	Walleye Capital LLC	$7.0M	59,814	+12,157	add
62	CITIGROUP INC	$6.4M	54,559	+27,222	add
63	Legal & General Group Plc	$5.9M	50,737	−6,514	trim
64	Albar Capital Partners LLP	$5.7M	48,814	+48,814	new
65	Tidal Investments LLC	$5.5M	47,820	+47,820	new
66	VICTORY CAPITAL MANAGEMENT INC	$5.3M	45,578	−1,068,241	trim
67	Trek Financial, LLC	$5.3M	45,296	+45,296	new
68	OCCUDO QUANTITATIVE STRATEGIES LP	$5.1M	44,430	+19,250	add
69	ALLIANCEBERNSTEIN L.P.	$5.0M	67,315	−1,133	trim
70	Engineers Gate Manager LP	$5.0M	42,499	−246,756	trim
71	Retirement Systems of Alabama	$4.8M	40,886	+859	add
72	BANK OF MONTREAL /CAN/	$4.6M	39,038	+12,115	add
73	Squarepoint Ops LLC	$4.5M	38,532	+38,532	new
74	CAPITAL INTERNATIONAL LTD /CA/	$4.4M	37,300	+37,300	new
75	Twin Tree Management, LP	$4.2M	35,977	+35,977	new
76	Corient Private Wealth LLC	$4.1M	34,971	−66,459	trim
77	Gotham Asset Management, LLC	$4.0M	34,564	+25,365	add
78	VANGUARD ASSET MANAGEMENT, Ltd	$3.9M	33,358	—	no prior
79	MANUFACTURERS LIFE INSURANCE COMPANY, THE	$3.9M	33,295	−156	trim
80	Boston Partners	$3.7M	31,696	+31,696	new
81	Occam Crest Management LP	$3.4M	29,256	+29,256	new
82	AMERIPRISE FINANCIAL INC	$3.3M	28,487	−20,630	trim
83	ENVESTNET ASSET MANAGEMENT INC	$3.3M	28,046	+176	add
84	STATE OF WISCONSIN INVESTMENT BOARD	$2.9M	25,252	−459	trim
85	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	$2.9M	25,000	−21,760	trim
86	STIFEL FINANCIAL CORP	$2.9M	24,925	+6,004	add
87	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	$2.8M	24,115	0	no change
88	Quantbot Technologies LP	$2.8M	23,936	−15,671	trim
89	State of New Jersey Common Pension Fund D	$2.8M	23,658	+23,658	new
90	AMG National Trust Bank	$2.7M	23,041	−289	trim
91	Capital International, Inc./CA/	$2.5M	21,359	+21,359	new
92	Ameritas Investment Partners, Inc.	$2.4M	20,479	+397	add
93	AMERICAN CENTURY COMPANIES INC	$2.3M	20,020	+1,719	add
94	Zurcher Kantonalbank (Zurich Cantonalbank)	$2.2M	19,174	+5,807	add
95	Dana Investment Advisors, Inc.	$2.2M	18,965	−199	trim
96	WORLDQUANT MILLENNIUM ADVISORS LLC	$2.1M	18,374	+18,374	new
97	Susquehanna Portfolio Strategies, LLC	$2.1M	18,372	+18,372	new
98	Edgestream Partners, L.P.	$2.1M	17,681	+10,586	add
99	MetLife Investment Management, LLC	$1.9M	16,406	+111	add
100	FIFTH THIRD BANCORP	$1.9M	16,045	+15,483	add
101	STOREBRAND ASSET MANAGEMENT AS	$1.8M	15,405	—	no prior
102	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$1.8M	14,999	−8,802	trim
103	BARCLAYS PLC	$1.7M	14,456	−52,157	trim
104	SummitTX Capital, L.P.	$1.7M	14,335	+14,335	new
105	Vanguard Global Advisers, LLC	$1.6M	13,911	—	no prior
106	NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	$1.6M	13,868	+13,868	new
107	LPL Financial LLC	$1.5M	13,059	+411	add
108	XTX Topco Ltd	$1.5M	12,878	+12,878	new
109	MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC	$1.5M	12,780	−1,100	trim
110	SEI INVESTMENTS CO	$1.5M	12,769	−15,673	trim
111	Summit Trail Advisors, LLC	$1.5M	12,524	−3,037	trim
112	Polymer Capital Management (US) LLC	$1.5M	12,520	+6,020	add
113	Universal- Beteiligungs- und Servicegesellschaft mbH	$1.5M	12,479	+3,297	add
114	Creative Planning	$1.4M	11,961	+4,276	add
115	Mitsubishi UFJ Asset Management Co., Ltd.	$1.3M	11,262	+1,282	add
116	Arizona State Retirement System	$1.2M	10,580	−214	trim
117	YOUSIF CAPITAL MANAGEMENT, LLC	$1.2M	10,518	−537	trim
118	Schonfeld Strategic Advisors LLC	$1.2M	10,182	+4,170	add
119	Walnut Level Capital LLC	$1.2M	10,000	−1,404	trim
120	Vanguard Investments Australia, Ltd.	$1.2M	9,932	—	no prior
121	PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	$1.1M	9,724	−332	trim
122	Inspire Investing, LLC	$1.1M	9,576	+5,172	add
123	Vanguard Personalized Indexing Management, LLC	$1.1M	9,463	−292	trim
124	KLP KAPITALFORVALTNING AS	$993K	8,500	+300	add
125	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$976K	8,356	+10	add
126	WINTON GROUP Ltd	$961K	8,229	+8,229	new
127	Aster Capital Management (DIFC) Ltd	$943K	9,428	+8,608	add
128	STATE OF MICHIGAN RETIREMENT SYSTEM	$935K	8,000	+100	add
129	TWIN FOCUS CAPITAL PARTNERS, LLC	$935K	8,000	+8,000	new
130	Total Wealth Planning & Management, Inc.	$900K	7,707	+4,752	add
131	Capital Group Investment Management Pte. Ltd.	$899K	7,693	+7,693	new
132	Eurizon Capital SGR S.p.A.	$878K	7,518	+7,518	new
133	NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC	$873K	7,472	+10	add
134	Dynamic Technology Lab Private Ltd	$859K	7,352	+7,352	new
135	GATEWAY INVESTMENT ADVISERS LLC	$835K	7,147	+7,147	new
136	First Eagle Investment Management, LLC	$832K	7,118	+7,065	add
137	OREGON PUBLIC EMPLOYEES RETIREMENT FUND	$802K	6,868	+200	add
138	Concentric Capital Strategies, LP	$761K	6,517	+6,517	new
139	Pictet Asset Management Holding SA	$708K	6,059	+34	add
140	MERCER GLOBAL ADVISORS INC /ADV	$668K	5,717	+1,794	add
141	Advisors Asset Management, Inc.	$660K	5,647	−400	trim
142	Storgate, LLC	$644K	5,510	+130	add
143	Unison Advisors LLC	$613K	5,247	+32	add
144	Caprock Group, LLC	$604K	5,171	+5,171	new
145	Pathstone Holdings, LLC	$579K	4,960	+311	add
146	Hartree Partners, LP	$502K	4,300	+4,300	new
147	GUGGENHEIM CAPITAL LLC	$481K	4,119	−55	trim
148	XPONANCE LLC	$466K	3,988	+887	add
149	CIBC Asset Management Inc	$465K	3,977	0	no change
150	Cetera Investment Advisers	$458K	3,921	+767	add
151	Marnell Management LLC	$444K	3,802	−7,898	trim
152	Atria Investments, Inc	$442K	3,786	−286	trim
153	EVERGREEN CAPITAL MANAGEMENT LLC	$427K	3,651	+3,651	new
154	Sanctuary Advisors, LLC	$382K	3,272	−169	trim
155	Havemeyer Place LP	$380K	3,250	+3,250	new
156	TWINBEECH CAPITAL LP	$345K	2,950	+2,950	new
157	RAYMOND JAMES FINANCIAL INC	$342K	2,931	−190	trim
158	Odyssean, LLC	$339K	2,903	0	no change
159	iSAM Funds (UK) Ltd	$331K	2,835	+7	add
160	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	$309K	2,588	+2,588	new
161	Archer Investment Corp	$291K	2,493	+2,493	new
162	VOYA INVESTMENT MANAGEMENT LLC	$285K	2,436	+2,436	new
163	SECURIAN ASSET MANAGEMENT, INC	$281K	2,403	0	no change
164	MFA WEALTH ADVISORS, LLC	$278K	2,382	+2,382	new
165	DEUTSCHE BANK AG\	$277K	2,370	+1,286	add
166	HighTower Advisors, LLC	$269K	2,305	+2,305	new
167	Swiss Life Asset Management Ltd	$263K	2,253	+2,253	new
168	CWM, LLC	$263K	2,249	+1,903	add
169	PRUDENTIAL FINANCIAL INC	$260K	2,228	+2,228	new
170	BROWN ADVISORY INC	$260K	2,226	+2,226	new
171	CANADA PENSION PLAN INVESTMENT BOARD	$258K	2,210	−5,721	trim
172	CoreFirst Bank & Trust	$256K	2,195	−25	trim
173	US BANCORP \DE\	$254K	2,170	+160	add
174	Empowered Funds, LLC	$253K	2,162	+2,162	new
175	Sivia Capital Partners, LLC	$245K	2,099	+2,099	new
176	EAGLE GLOBAL ADVISORS LLC	$241K	2,066	+2,066	new
177	Callan Family Office, LLC	$236K	2,017	+2,017	new
178	Verition Fund Management LLC	$234K	2,000	−24,078	trim
179	Amundi	$233K	1,997	+1,997	new
180	Federation des caisses Desjardins du Quebec	$232K	1,990	−569	trim
181	Cercano Management LLC	$231K	1,978	+1,978	new
182	Maryland State Retirement & Pension System	$224K	1,915	+1,915	new
183	Greenland Capital Management LP	$212K	1,812	+1,812	new
184	Utah Retirement Systems	$210K	1,800	+1,800	new
185	Laird Norton Wetherby Trust Company, LLC	$205K	1,752	+1,752	new
186	Virtus Investment Advisers, LLC	$203K	1,736	−450	trim
187	OPPENHEIMER & CO INC	$203K	1,735	+1,735	new
188	Allworth Financial LP	$199K	1,701	+263	add
189	MAI Capital Management	$191K	1,631	+315	add
190	Kimelman & Baird, LLC	$175K	1,500	0	no change
191	TD Waterhouse Canada Inc.	$160K	1,375	+1,335	add
192	Tower Research Capital LLC (TRC)	$158K	1,356	+592	add
193	Transamerica Financial Advisors, LLC	$152K	1,300	+495	add
194	SIGNATUREFD, LLC	$134K	1,148	+1,006	add
195	Sterling Capital Management LLC	$131K	1,122	−855	trim
196	PICKERING ENERGY PARTNERS LP	$117K	1,000	+1,000	new
197	Compagnie Lombard Odier SCmA	$100K	860	+860	new
198	Rockefeller Capital Management L.P.	$100K	857	−98	trim
199	NOMURA ASSET MANAGEMENT CO LTD	$78.3K	670	−226	trim
200	EXCHANGE TRADED CONCEPTS, LLC	$62.6K	536	+536	new
201	BNP Paribas Asset Management Holding S.A.	$62.5K	535	+197	add
202	Walleye Trading LLC	$60.0K	514	+514	new
203	Destiny Wealth Partners, LLC	$59.6K	510	+510	new
204	QUADRANT CAPITAL GROUP LLC	$44.6K	382	−65	trim
205	UMB Bank, n.a.	$36.4K	312	−81	trim
206	Deseret Mutual Benefit Administrators	$29.0K	248	+115	add
207	Arax Advisory Partners	$27.1K	232	+212	add
208	Smartleaf Asset Management LLC	$24.7K	213	+112	add
209	OSAIC HOLDINGS, INC.	$22.2K	190	−90	trim
210	NISA INVESTMENT ADVISORS, LLC	$21.6K	185	+135	add
211	NATIONAL BANK OF CANADA /FI/	$21.3K	182	−93	trim
212	Spire Wealth Management	$20.1K	172	−134	trim
213	CVA Family Office, LLC	$9.8K	84	+84	new
214	Parkside Financial Bank & Trust	$7.9K	68	−200	trim
215	Rakuten Securities, Inc.	$7.5K	64	+58	add
216	Pinnacle Wealth Planning Services, Inc.	$6.8K	58	0	no change
217	Larson Financial Group LLC	$6.7K	57	+34	add
218	Sachetta, LLC	$6.3K	54	0	no change
219	ASSETMARK, INC	$5.1K	44	+5	add
220	Private Wealth Management Group, LLC	$4.2K	36	0	no change
221	Purpose Unlimited Inc.	$4.0K	34	+34	new
222	FARMERS & MERCHANTS INVESTMENTS INC	$3.5K	30	0	no change
223	JFS WEALTH ADVISORS, LLC	$3.5K	30	+16	add
224	Keating Financial Advisory Services, Inc.	$3.5K	30	+29	add
225	True Wealth Design, LLC	$3.2K	27	+9	add
226	Peterson Wealth Services	$2.7K	23	0	no change
227	SJS Investment Consulting Inc.	$2.6K	22	+22	new
228	Duquesne Family Office LLC	$2.5K	21,194	+21,194	new
229	Manchester Capital Management LLC	$2.5K	21	0	no change
230	South Dakota Investment Council	$2.4K	20,235	0	no change
231	CANADA LIFE ASSURANCE Co	$2.3K	20,005	+674	add
232	KBC Group NV	$2.3K	19,432	−2,790	trim
233	SouthState Bank Corp	$2.1K	18	+10	add
234	Clearstead Advisors, LLC	$2.1K	18	−91	trim
235	Treasurer of the State of North Carolina	$1.7K	14,304	+306	add
236	TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	$1.5K	12,845	+12,845	new
237	Rialto Wealth Management, LLC	$1.4K	12	+5	add
238	Steward Partners Investment Advisory, LLC	$1.2K	10	−14	trim
239	Virtu Financial LLC	$1.1K	9,532	+9,532	new
240	DiNuzzo Private Wealth, Inc.	$1.1K	9	+7	add
241	PICTON MAHONEY ASSET MANAGEMENT	$935	8	0	no change
242	THRIVENT FINANCIAL FOR LUTHERANS	$878	7,514	+4	add
243	ELEVATION WEALTH PARTNERS, LLC	$818	7	+7	new
244	American Capital Advisory, LLC	$818	7	0	no change
245	MV CAPITAL MANAGEMENT, INC.	$701	6	+1	add
246	Vermillion Wealth Management, Inc.	$701	6	+6	new
247	HFM Investment Advisors, LLC	$701	6	+5	add
248	GSA CAPITAL PARTNERS LLP	$596	5,106	+5,106	new
249	SWAN Capital LLC	$584	5	0	no change
250	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	$484	4,143	−1,082	trim
251	Cromwell Holdings LLC	$467	4	0	no change
252	Arlington Trust Co LLC	$467	4	+4	new
253	State of Alaska, Department of Revenue	$391	3,354	+45	add
254	Investors Portfolio Services LLC	$376	4	+4	new
255	Claret Asset Management Corp	$351	3,007	0	no change
256	TopTier Wealth Management, LLC	$350	3	+3	new
257	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	$234	2	+2	new
258	SBI Securities Co., Ltd.	$234	2	+1	add
259	Activest Wealth Management	$234	2	+2	new
260	Valued Wealth Advisors LLC	$121	1	0	no change
261	3 FACTOR INDEXING, LLC	$117	1	—	no prior
262	Penserra Capital Management LLC	$1	9	0	no change
263	Avion Wealth	$1	14	0	no change
264	VANGUARD GROUP INC	—	—	−3,917,329	exit
265	HARBOUR INVESTMENTS, INC.	—	—	−37	exit
266	COMERICA BANK	—	—	−28,483	exit
267	WEDGE CAPITAL MANAGEMENT L L P/NC	—	—	−42,841	exit
268	WEXFORD CAPITAL LP	—	—	−1,344	exit
269	CI INVESTMENTS INC.	—	—	−4,128	exit
270	TWO SIGMA INVESTMENTS, LP	—	—	−198,379	exit
271	LAZARD ASSET MANAGEMENT LLC	—	—	−74,428	exit
272	DIAMOND HILL CAPITAL MANAGEMENT INC	—	—	−190,180	exit
273	ALPINE WOODS CAPITAL INVESTORS, LLC	—	—	−8,989	exit
274	NATIXIS	—	—	−87,872	exit
275	LUMINUS MANAGEMENT LLC	—	—	−35,189	exit
276	CIBC Private Wealth Group LLC	—	—	−191	exit
277	Weiss Asset Management LP	—	—	−9,928	exit
278	NORGES BANK	—	—	−181,328	exit
279	Hudson Bay Capital Management LP	—	—	−30,443	exit
280	Alyeska Investment Group, L.P.	—	—	−103,041	exit
281	DekaBank Deutsche Girozentrale	—	—	−3,540	exit
282	Alberta Investment Management Corp	—	—	−19,700	exit
283	TWO SIGMA ADVISERS, LP	—	—	−144,700	exit
284	Daiwa Securities Group Inc.	—	—	−4,108	exit
285	SIMPLEX TRADING, LLC	—	—	−1,981	exit
286	Brevan Howard Capital Management LP	—	—	−9,468	exit
287	Assenagon Asset Management S.A.	—	—	−3,790	exit
288	VOLORIDGE INVESTMENT MANAGEMENT, LLC	—	—	−348,953	exit
289	HITE Hedge Asset Management LLC	—	—	−52,153	exit
290	Select Equity Group, L.P.	—	—	−74,997	exit
291	ANTIPODES PARTNERS Ltd	—	—	−416,520	exit
292	Numerai GP LLC	—	—	−5,792	exit
293	DV Trading LLC	—	—	−300	exit
294	ExodusPoint Capital Management, LP	—	—	−154,391	exit
295	Global Retirement Partners, LLC	—	—	−21	exit
296	Oak Thistle LLC	—	—	−7,170	exit
297	Lloyd Advisory Services, LLC.	—	—	−2,445	exit
298	Aventail Capital Group, LP	—	—	−27,764	exit
299	State of Wyoming	—	—	−7,824	exit
300	Kestra Advisory Services, LLC	—	—	−1,138	exit
301	Blue Trust, Inc.	—	—	−186	exit
302	AlphaQuest LLC	—	—	−5,192	exit
303	SageView Advisory Group, LLC	—	—	−40	exit
304	Dunhill Financial, LLC	—	—	−1	exit
305	Quarry LP	—	—	−426	exit
306	Jain Global LLC	—	—	−62,043	exit
307	CAXTON ASSOCIATES LLP	—	—	−4,615	exit
308	OPTIMA CAPITAL LLC	—	—	−3	exit
309	VARCOV Co.	—	—	−35,597	exit

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

Congress ↔ notable managers · WLK

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

Congress · last 90 days

Buyers: 0 — —
Sellers: 0 — —

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

Notable managers · quarter ended 2026-03-31

Adding: 2 Gotham Asset Management, Duquesne Family Office $4.0M held
Trimming: 1 Caxton Associates $0 held

new + add vs trim + exit, by shares · $ = reported value now, not the change · WESTLAKE CORPORATION

Merged timeline of congressional filings and notable-manager moves on WLK
Date	Who	Change	Size
2026-05-15	Gotham Asset Management 13F	add	+25,365 sh
2026-05-15	Duquesne Family Office 13F	new	+21,194 sh
2026-05-14	Caxton Associates 13F	exit	−4,615 sh

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

4 members of Congress disclosed WLK — the congressional view ↗