Who holds AVTRticker 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 ↗

AVANTOR INC · COM · quarter ended 2026-03-31 · 5 members disclosed AVTR ↗

357

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

$4.8B

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

206

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 AVTR ranked by reported value
#	Filer	Reported value	Shares	Δ shares	Change
1	DODGE & COX	$938M	119,648,329	+2,583,186	add
2	BlackRock, Inc.	$515M	65,703,554	+6,106,628	add
3	VANGUARD PORTFOLIO MANAGEMENT LLC	$245M	31,275,847	—	no prior
4	VANGUARD CAPITAL MANAGEMENT LLC	$240M	30,606,112	—	no prior
5	WELLINGTON MANAGEMENT GROUP LLP	$190M	24,224,156	+787,520	add
6	BARROW HANLEY MEWHINNEY & STRAUSS LLC	$175M	22,358,399	−10,928,775	trim
7	STATE STREET CORP	$162M	20,721,079	+511,673	add
8	Engine Capital Management, LP	$155M	19,780,830	+7,853,018	add
9	DIMENSIONAL FUND ADVISORS LP	$132M	16,894,649	+2,288,053	add
10	New Mountain Capital, L.L.C.	$110M	14,000,000	0	no change
11	D. E. Shaw & Co., Inc.	$103M	13,110,674	+6,894,751	add
12	GEODE CAPITAL MANAGEMENT, LLC	$101M	12,891,421	+912,861	add
13	LONDON CO OF VIRGINIA	$85.1M	10,852,257	−1,084,265	trim
14	FULLER & THALER ASSET MANAGEMENT, INC.	$83.4M	10,632,112	+7,387,318	add
15	Clarkston Capital Partners, LLC	$67.7M	8,629,389	−6,475,676	trim
16	First Pacific Advisors, LP	$63.4M	8,089,023	+4,120,403	add
17	Invesco Ltd.	$63.3M	8,073,854	−9,104,862	trim
18	FMR LLC	$59.7M	7,610,318	−60,414	trim
19	BANK OF AMERICA CORP /DE/	$55.4M	7,067,563	+1,382,320	add
20	MORGAN STANLEY	$47.8M	6,098,287	−11,370,131	trim
21	EARNEST PARTNERS LLC	$47.2M	6,024,712	−7,095	trim
22	NORTHERN TRUST CORP	$42.8M	5,458,656	+149,202	add
23	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$42.4M	5,410,744	+531,321	add
24	SEI INVESTMENTS CO	$41.5M	5,287,850	+46,707	add
25	JANE STREET GROUP, LLC	$38.9M	4,966,462	+1,134,645	add
26	GENDELL JEFFREY L	$38.6M	4,917,270	+4,372,270	add
27	AQR CAPITAL MANAGEMENT LLC	$37.7M	4,867,208	+475,611	add
28	Voss Capital, LP	$34.9M	4,447,083	+344,293	add
29	Bank of New York Mellon Corp	$34.6M	4,418,987	+1,077	add
30	VANGUARD FIDUCIARY TRUST CO	$33.1M	4,227,746	—	no prior
31	Robeco Schweiz AG	$32.8M	4,189,536	−3,091,425	trim
32	AMERIPRISE FINANCIAL INC	$32.3M	4,115,694	+489,998	add
33	VOYA INVESTMENT MANAGEMENT LLC	$29.3M	3,738,322	−1,223,152	trim
34	UBS Group AG	$28.7M	3,660,024	−4,071,619	trim
35	SOUTHEASTERN ASSET MANAGEMENT INC/TN/	$27.6M	3,520,212	−28,306	trim
36	Eversept Partners, LP	$23.3M	2,974,287	−202,357	trim
37	Freestone Grove Partners LP	$21.9M	2,791,157	+207,151	add
38	PRIVATE MANAGEMENT GROUP INC	$21.4M	2,732,995	+276,136	add
39	Prescott General Partners LLC	$20.4M	2,600,000	+2,600,000	new
40	MILLENNIUM MANAGEMENT LLC	$19.1M	2,435,280	−1,233,717	trim
41	TUDOR INVESTMENT CORP ET AL	$18.4M	2,344,437	+2,021,043	add
42	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$16.8M	2,146,729	+54,103	add
43	FRONTIER CAPITAL MANAGEMENT CO LLC	$15.9M	2,024,010	+212,001	add
44	LOEWS CORP	$15.7M	2,000,000	+1,000,000	add
45	DIAMOND HILL CAPITAL MANAGEMENT INC	$13.9M	1,767,029	+1,767,029	new
46	RHUMBLINE ADVISERS	$13.0M	1,658,438	+1,674	add
47	NEW SOUTH CAPITAL MANAGEMENT INC	$12.3M	1,563,307	−248,580	trim
48	PRINCIPAL FINANCIAL GROUP INC	$11.9M	1,522,563	+56,390	add
49	ROYCE & ASSOCIATES LP	$11.5M	1,463,622	+1,423,182	add
50	Nuveen, LLC	$11.2M	1,431,353	−12,389	trim
51	Swiss National Bank	$10.6M	1,349,400	+5,300	add
52	Gotham Asset Management, LLC	$10.4M	1,328,179	+965,823	add
53	ALLIANCEBERNSTEIN L.P.	$9.7M	847,621	−9,892	trim
54	Quantinno Capital Management LP	$9.2M	1,169,147	+762,288	add
55	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	$9.1M	1,155,532	+230,183	add
56	KETTLE HILL CAPITAL MANAGEMENT, LLC	$8.8M	1,128,537	+1,128,537	new
57	Clearline Capital LP	$8.8M	1,123,806	+621,123	add
58	MANUFACTURERS LIFE INSURANCE COMPANY, THE	$8.6M	1,101,504	−7,632,892	trim
59	Taikang Asset Management (Hong Kong) Co Ltd	$8.0M	1,018,891	+532,326	add
60	BARCLAYS PLC	$7.8M	996,561	+29,006	add
61	RAYMOND JAMES FINANCIAL INC	$7.5M	950,437	−346,831	trim
62	TD ASSET MANAGEMENT INC	$7.3M	930,600	−1,361,488	trim
63	Stanley Capital Management, LLC	$7.2M	918,500	0	no change
64	Legal & General Group Plc	$7.1M	906,624	−92,639	trim
65	Lightrock Netherlands B.V.	$6.8M	862,377	+201,997	add
66	Retirement Systems of Alabama	$6.6M	836,164	+17,877	add
67	Cerity Partners LLC	$6.5M	825,924	+815,851	add
68	WELLS FARGO & COMPANY/MN	$6.4M	815,002	−541,214	trim
69	READYSTATE ASSET MANAGEMENT LP	$6.2M	788,250	−24,831	trim
70	Woodline Partners LP	$5.9M	755,694	+755,694	new
71	SECTOR GAMMA AS	$5.5M	695,403	0	no change
72	Corient Private Wealth LLC	$5.0M	637,530	−614,680	trim
73	Man Group plc	$4.8M	611,110	+611,110	new
74	Qube Research & Technologies Ltd	$4.8M	608,347	+608,347	new
75	VANGUARD ASSET MANAGEMENT, Ltd	$4.7M	601,610	—	no prior
76	CITADEL ADVISORS LLC	$4.5M	569,511	−674,445	trim
77	Vanguard Global Advisers, LLC	$4.5M	568,132	—	no prior
78	TWINBEECH CAPITAL LP	$4.4M	567,389	+567,389	new
79	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	$4.4M	563,860	−4,261	trim
80	Connor, Clark & Lunn Investment Management Ltd.	$4.3M	548,787	+413,923	add
81	SHAPIRO CAPITAL MANAGEMENT LLC	$4.2M	536,275	+536,275	new
82	Amundi	$4.2M	531,575	+415,342	add
83	Weiss Asset Management LP	$4.1M	527,903	−227,493	trim
84	STATE OF WISCONSIN INVESTMENT BOARD	$4.1M	520,813	+58,877	add
85	KING LUTHER CAPITAL MANAGEMENT CORP	$4.0M	504,734	+472,734	add
86	COMMONWEALTH EQUITY SERVICES, LLC	$3.6M	464,653	+225,430	add
87	FIFTH THIRD BANCORP	$3.3M	424,817	+363,931	add
88	Brevan Howard Capital Management LP	$3.3M	418,432	+406,190	add
89	Edgestream Partners, L.P.	$3.3M	418,095	+74,728	add
90	AGMAN CAPITAL LLC	$3.3M	414,898	+73,293	add
91	CITIGROUP INC	$3.2M	413,492	−1,588,030	trim
92	ENVESTNET ASSET MANAGEMENT INC	$3.1M	400,832	−257,148	trim
93	CANADA PENSION PLAN INVESTMENT BOARD	$3.1M	389,400	+202,100	add
94	NEW YORK STATE COMMON RETIREMENT FUND	$3.0M	376,803	0	no change
95	Advisors Capital Management, LLC	$2.9M	376,247	+10,325	add
96	XTX Topco Ltd	$2.9M	369,493	+332,701	add
97	WORLDQUANT MILLENNIUM ADVISORS LLC	$2.9M	365,183	+365,183	new
98	ExodusPoint Capital Management, LP	$2.8M	356,009	+258,995	add
99	MetLife Investment Management, LLC	$2.6M	335,172	+2,361	add
100	Janus Henderson Group Ltd.	$2.4M	307,978	0	no change
101	Allianz Asset Management GmbH	$2.4M	306,044	+89,542	add
102	BNP Paribas Asset Management Holding S.A.	$2.4M	302,195	+302,195	new
103	CNA FINANCIAL CORP	$2.4M	300,000	+300,000	new
104	MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC	$2.0M	261,381	−22,372	trim
105	Manhattan West Asset Management, LLC	$1.9M	247,076	+52,405	add
106	State of New Jersey Common Pension Fund D	$1.9M	244,183	+2,323	add
107	Zurcher Kantonalbank (Zurich Cantonalbank)	$1.9M	240,721	+240,721	new
108	ROYAL BANK OF CANADA	$1.8M	230,629	−63,355	trim
109	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$1.8M	225,318	+89,750	add
110	MACKENZIE FINANCIAL CORP	$1.8M	224,602	−187,853	trim
111	Magnetar Financial LLC	$1.8M	224,084	+224,084	new
112	Universal- Beteiligungs- und Servicegesellschaft mbH	$1.7M	212,170	−7,208	trim
113	Orion Porfolio Solutions, LLC	$1.7M	217,412	+63,998	add
114	Callan Family Office, LLC	$1.6M	208,228	+124,153	add
115	Havemeyer Place LP	$1.6M	202,483	+202,483	new
116	Squarepoint Ops LLC	$1.5M	194,243	−15,555	trim
117	PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	$1.5M	192,289	−6,554	trim
118	DEUTSCHE BANK AG\	$1.5M	188,320	+135,760	add
119	Arizona State Retirement System	$1.5M	187,280	−3,977	trim
120	HighVista Strategies LLC	$1.5M	186,500	+186,500	new
121	YOUSIF CAPITAL MANAGEMENT, LLC	$1.4M	181,459	−9,503	trim
122	NORTH STAR ASSET MANAGEMENT INC	$1.4M	180,358	−57,810	trim
123	ING GROEP NV	$1.4M	172,600	+172,600	new
124	Vanguard Investments Australia, Ltd.	$1.3M	171,134	—	no prior
125	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$1.3M	170,892	+274	add
126	STATE OF MICHIGAN RETIREMENT SYSTEM	$1.3M	164,100	+3,000	add
127	AXQ CAPITAL, LP	$1.3M	160,895	+160,895	new
128	NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC	$1.2M	152,800	+253	add
129	KLP KAPITALFORVALTNING AS	$1.2M	150,100	+4,300	add
130	Oak Thistle LLC	$1.1M	144,337	+43,608	add
131	MANGROVE PARTNERS IM, LLC	$1.1M	140,513	+140,513	new
132	OREGON PUBLIC EMPLOYEES RETIREMENT FUND	$1.1M	139,857	+4,300	add
133	Creative Planning	$1.0M	131,604	+74,812	add
134	Bridgewater Associates, LP	$1.0M	128,209	+128,209	new
135	Ameritas Investment Partners, Inc.	$985K	125,649	+694	add
136	Robeco Institutional Asset Management B.V.	$976K	124,432	−63,876	trim
137	MOORE CAPITAL MANAGEMENT, LP	$903K	115,153	−383,933	trim
138	MERCER GLOBAL ADVISORS INC /ADV	$870K	110,928	+17,803	add
139	VICTORY CAPITAL MANAGEMENT INC	$840K	107,103	+6,654	add
140	Pictet Asset Management Holding SA	$838K	106,835	+2,274	add
141	Grantham, Mayo, Van Otterloo & Co. LLC	$837K	106,700	+106,700	new
142	Assenagon Asset Management S.A.	$832K	106,070	−3,514,385	trim
143	FRANKLIN RESOURCES INC	$831K	105,947	+56,801	add
144	Carnegie Lake Advisors LLC	$812K	103,600	+40,000	add
145	MAVERICK CAPITAL LTD	$790K	100,814	+100,814	new
146	Gerald Baker Financial Group LLC	$739K	94,206	—	no prior
147	OPPENHEIMER ASSET MANAGEMENT INC.	$699K	89,209	−51,808	trim
148	EFG International AG	$686K	87,500	0	no change
149	Rialto Wealth Management, LLC	$662K	84,489	+63	add
150	Summit Trail Advisors, LLC	$652K	83,157	+35,606	add
151	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$649K	82,746	−7,131,662	trim
152	HighTower Advisors, LLC	$645K	82,285	−5,335	trim
153	LAZARD ASSET MANAGEMENT LLC	$641K	81,813	+81,813	new
154	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	$640K	81,627	+23,436	add
155	XPONANCE LLC	$636K	81,161	+18,943	add
156	INTECH INVESTMENT MANAGEMENT LLC	$631K	80,458	+80,458	new
157	ADAR1 Capital Management, LLC	$627K	80,000	+10,000	add
158	Quadrature Capital Ltd	$602K	76,817	+793	add
159	ABS Direct Equity Fund LLC	$588K	75,000	−25,000	trim
160	Modera Wealth Management, LLC	$555K	70,815	−20	trim
161	WINTON GROUP Ltd	$534K	68,157	+38,000	add
162	LPL Financial LLC	$527K	67,227	−100,399	trim
163	BANK OF MONTREAL /CAN/	$517K	65,910	−136,556	trim
164	REGIONS FINANCIAL CORP	$514K	65,548	+2,345	add
165	Pathstone Holdings, LLC	$507K	64,688	−34,728	trim
166	Danica Pension, Livsforsikringsaktieselskab	$494K	63,072	0	no change
167	SKBA CAPITAL MANAGEMENT LLC	$494K	62,967	−400	trim
168	CHOREO, LLC	$476K	60,698	+25,051	add
169	FEDERATED HERMES, INC.	$445K	56,763	−930	trim
170	Vise Technologies, Inc.	$437K	38,112	0	no change
171	ARISTEIA CAPITAL, L.L.C.	$428K	54,604	+13,794	add
172	Vanguard Personalized Indexing Management, LLC	$428K	54,572	+5,018	add
173	IMC-Chicago, LLC	$425K	54,264	−19,968	trim
174	SECURIAN ASSET MANAGEMENT, INC	$394K	50,274	+585	add
175	Tidal Investments LLC	$364K	46,371	+2,850	add
176	Crossmark Global Holdings, Inc.	$363K	46,259	—	no prior
177	&PARTNERS	$359K	41,972	+31,603	add
178	PRUDENTIAL FINANCIAL INC	$340K	43,385	−1,415	trim
179	Leo Wealth, LLC	$331K	42,246	+3,427	add
180	Swiss Life Asset Management Ltd	$330K	42,079	+9,404	add
181	BANK OF NOVA SCOTIA	$326K	41,600	−84,322	trim
182	DnB Asset Management AS	$319K	40,627	+30,222	add
183	Federation des caisses Desjardins du Quebec	$311K	39,619	−12,629	trim
184	TRUIST FINANCIAL CORP	$308K	39,266	+1,236	add
185	Numerai GP LLC	$307K	39,142	+39,142	new
186	Cetera Investment Advisers	$302K	38,569	+9,799	add
187	Ensign Peak Advisors, Inc	$302K	38,546	0	no change
188	Calamos Advisors LLC	$301K	38,401	+38,401	new
189	Calamos Wealth Management LLC	$301K	38,401	+38,401	new
190	Zuckerman Investment Group, LLC	$294K	37,497	−1,712,072	trim
191	SALEM INVESTMENT COUNSELORS INC	$282K	36,022	−19,840	trim
192	Brooklyn Investment Group	$275K	35,027	+3,246	add
193	Utah Retirement Systems	$274K	34,921	−75,800	trim
194	State of Wyoming	$274K	34,905	+28,813	add
195	Bridgefront Capital, LLC	$271K	34,523	+34,523	new
196	DeDora Capital, Inc.	$261K	33,237	0	no change
197	Shay Capital LLC	$255K	32,500	+32,500	new
198	Maryland State Retirement & Pension System	$249K	31,701	0	no change
199	Central Pacific Bank - Trust Division	$245K	31,300	0	no change
200	HSBC HOLDINGS PLC	$243K	31,037	−405,537	trim
201	FIRST TRUST ADVISORS LP	$230K	29,376	−2,085,539	trim
202	BOOTHBAY FUND MANAGEMENT, LLC	$226K	28,877	+2,207	add
203	Jasper Ridge Partners, L.P.	$216K	27,606	0	no change
204	ProShare Advisors LLC	$214K	27,355	+24	add
205	Blue Trust, Inc.	$211K	26,923	+10,252	add
206	DIVERSIFY WEALTH MANAGEMENT, LLC	$210K	26,810	+6,962	add
207	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	$209K	26,455	−206	trim
208	M&T BANK CORP	$208K	26,521	+9,311	add
209	CHANNEL WEALTH LLC	$200K	25,510	0	no change
210	Chicago Partners Investment Group LLC	$199K	24,069	+24,069	new
211	OMERS ADMINISTRATION Corp	$190K	24,181	0	no change
212	PRELUDE CAPITAL MANAGEMENT, LLC	$180K	23,000	+6,000	add
213	SHELTON CAPITAL MANAGEMENT	$178K	22,738	0	no change
214	Empowered Funds, LLC	$177K	22,518	−4,270	trim
215	Belfer Management LLC	$175K	22,317	−1,304	trim
216	Sterling Capital Management LLC	$174K	22,165	−16,917	trim
217	BFSG, LLC	$173K	22,017	+2,692	add
218	Snowden Capital Advisors LLC	$170K	21,651	+5,182	add
219	Sanctuary Advisors, LLC	$168K	21,412	−34,775	trim
220	Leonteq Securities AG	$167K	21,242	+15,268	add
221	CIBC Asset Management Inc	$166K	21,174	0	no change
222	Kintegral Advisory, LLC	$166K	21,126	−937	trim
223	Balefire, LLC	$157K	19,987	−121,149	trim
224	Lighthouse Investment Partners, LLC	$153K	19,466	−2,317	trim
225	North Dakota State Investment Board	$151K	19,313	−4,066	trim
226	AIGEN INVESTMENT MANAGEMENT, LP	$151K	19,266	+19,266	new
227	Meeder Advisory Services, Inc.	$150K	19,183	+963	add
228	Tower Research Capital LLC (TRC)	$148K	18,879	−12,019	trim
229	COLDSTREAM CAPITAL MANAGEMENT INC	$148K	18,843	+251	add
230	MIRABELLA FINANCIAL SERVICES LLP	$147K	18,791	+18,791	new
231	EVERGREEN CAPITAL MANAGEMENT LLC	$146K	18,600	+18,600	new
232	Kera Capital Partners, Inc.	$146K	18,573	−6,419	trim
233	UNITED CAPITAL FINANCIAL ADVISORS, LLC	$145K	18,491	+18,491	new
234	GUGGENHEIM CAPITAL LLC	$134K	17,097	+1,856	add
235	OXFORD ASSET MANAGEMENT LLP	$128K	16,346	+16,346	new
236	NOMURA ASSET MANAGEMENT CO LTD	$127K	16,200	+7,888	add
237	Focus Partners Wealth	$124K	15,200	+15,200	new
238	Headlands Technologies LLC	$122K	15,578	+5,496	add
239	BTG Pactual Asset Management US LLC	$122K	15,524	+15,524	new
240	Meiji Yasuda Asset Management Co Ltd.	$120K	15,363	−478	trim
241	CONNABLE OFFICE INC	$119K	15,239	+15,239	new
242	Walleye Capital LLC	$116K	14,820	−976,616	trim
243	SIMPLEX TRADING, LLC	$115K	14,727	+5,636	add
244	Alpha Wealth Funds, LLC	$114K	15,000	+15,000	new
245	ARQ WEALTH ADVISORS, LLC	$112K	14,225	+14,225	new
246	Beverly Hills Private Wealth, LLC	$111K	14,153	+14,153	new
247	VERUS CAPITAL PARTNERS, LLC	$111K	14,147	+14,147	new
248	SIG BROKERAGE, LP	$108K	13,777	+13,777	new
249	Sagewood Asset Management LP	$103K	13,191	+13,191	new
250	Perpetual Ltd	$103K	13,179	−1,818,887	trim
251	OneDigital Investment Advisors LLC	$98.5K	12,565	+20	add
252	Curi Capital, LLC	$98.4K	12,552	+12,552	new
253	Vident Advisory, LLC	$97.7K	12,463	+12,463	new
254	PROFUND ADVISORS LLC	$97.3K	12,411	−1,429	trim
255	CWM, LLC	$97.1K	12,387	−3,297	trim
256	BANK OF NOVA SCOTIA TRUST CO	$95.6K	12,193	−356	trim
257	Allspring Global Investments Holdings, LLC	$95.5K	12,290	+12,290	new
258	Engineers Gate Manager LP	$92.5K	11,800	+11,800	new
259	Sequoia Financial Advisors, LLC	$89.1K	11,361	−1,275	trim
260	TERRIL BROTHERS, INC.	$84.7K	10,800	0	no change
261	Quantum Portfolio Management LLC	$80.1K	10,219	+10,219	new
262	STIFEL FINANCIAL CORP	$80.0K	10,205	−15,789	trim
263	TEACHER RETIREMENT SYSTEM OF TEXAS	$79.7K	10,171	−23,825	trim
264	Net Worth Advisory Group	$79.5K	10,145	−552	trim
265	JOURNEY STRATEGIC WEALTH LLC	$79.5K	10,140	+10,140	new
266	CAXTON ASSOCIATES LLP	$78.8K	10,055	+10,055	new
267	Quantbot Technologies LP	$46.9K	5,977	−218,217	trim
268	Eurizon Capital SGR S.p.A.	$43.0K	5,644	+1,674	add
269	SJS Investment Consulting Inc.	$41.0K	5,235	+4,927	add
270	Quarry LP	$40.7K	5,185	+1,127	add
271	STOREBRAND ASSET MANAGEMENT AS	$39.7K	5,066	—	no prior
272	QUADRANT CAPITAL GROUP LLC	$39.7K	5,060	+2,914	add
273	OSAIC HOLDINGS, INC.	$37.5K	4,785	−2,663	trim
274	US BANCORP \DE\	$32.9K	4,196	+1,152	add
275	FIL Ltd	$27.7K	3,529	−6,993	trim
276	Rockefeller Capital Management L.P.	$24.6K	3,143	−1,363	trim
277	UMB Bank, n.a.	$20.1K	2,565	−4,806	trim
278	NATIXIS ADVISORS, LLC	$19.9K	2,541,675	+419,852	add
279	Arax Advisory Partners	$19.3K	2,464	+1,611	add
280	Allworth Financial LP	$17.0K	2,163	+564	add
281	MONTAG A & ASSOCIATES INC	$14.9K	1,900	0	no change
282	PRIVATE TRUST CO NA	$14.2K	1,815	−954	trim
283	Sapience Investments, LLC	$13.5K	1,717	−54,723	trim
284	PARADIGM ASSET MANAGEMENT CO LLC	$13.4K	1,711	0	no change
285	SIGNATUREFD, LLC	$13.0K	1,661	+687	add
286	ELEVATION WEALTH PARTNERS, LLC	$12.8K	1,627	+1,627	new
287	MAI Capital Management	$12.2K	1,559	+1,171	add
288	Mirae Asset Global Investments Co., Ltd.	$11.7K	1,490	−24,104	trim
289	Owl Creek Wealth Partners LLC	$10.2K	1,305	—	no prior
290	Olstein Capital Management, L.P.	$9.5K	1,210,000	+392,000	add
291	Mitsubishi UFJ Asset Management Co., Ltd.	$7.5K	959	0	no change
292	DANSKE BANK A/S	$7.1K	900	−4,600	trim
293	Steward Partners Investment Advisory, LLC	$5.2K	669	−14,399	trim
294	ALGERT GLOBAL LLC	$4.9K	630,360	+555,000	add
295	DekaBank Deutsche Girozentrale	$4.9K	628,082	0	no change
296	Private Wealth Management Group, LLC	$4.7K	600	+547	add
297	ASSETMARK, INC	$4.6K	591	+570	add
298	Walleye Trading LLC	$4.6K	591	+591	new
299	FARMERS & MERCHANTS INVESTMENTS INC	$4.5K	570	0	no change
300	True Wealth Design, LLC	$4.4K	555	+498	add
301	NISA INVESTMENT ADVISORS, LLC	$4.1K	529	+223	add
302	Larson Financial Group LLC	$3.6K	462	+456	add
303	Salomon & Ludwin, LLC	$3.6K	451	+451	new
304	THRIVENT FINANCIAL FOR LUTHERANS	$3.3K	418,011	+178,813	add
305	CANADA LIFE ASSURANCE Co	$3.1K	396,238	+9,855	add
306	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	$2.9K	366	+310	add
307	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	$2.6K	330,712	−52,703	trim
308	ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/	$2.6K	329	+329	new
309	AMALGAMATED BANK	$2.4K	305,787	−2,056	trim
310	Parkside Financial Bank & Trust	$2.4K	305	−282	trim
311	Costello Asset Management, INC	$2.4K	300	0	no change
312	Treasurer of the State of North Carolina	$2.2K	282,824	+6,025	add
313	TD Waterhouse Canada Inc.	$2.0K	261	−23,839	trim
314	CENTRAL TRUST Co	$1.8K	231	0	no change
315	TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	$1.7K	216,730	0	no change
316	Spire Wealth Management	$1.3K	162	−1,261	trim
317	Manchester Capital Management LLC	$1.1K	140	+140	new
318	Physician Wealth Advisors, Inc.	$1.1K	135	+135	new
319	Bell Investment Advisors, Inc	$965	123	+123	new
320	Bayforest Capital Ltd	$949	121	+121	new
321	MV CAPITAL MANAGEMENT, INC.	$824	105	+94	add
322	Activest Wealth Management	$737	94	+43	add
323	COUNTRY TRUST BANK	$721	92	0	no change
324	HRT FINANCIAL LP	$692	88,357	+88,357	new
325	Sachetta, LLC	$612	78	−101	trim
326	SouthState Bank Corp	$588	75	−10	trim
327	Pinnacle Wealth Planning Services, Inc.	$572	73	+55	add
328	Investors Research Corp	$533	68	+68	new
329	PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	$532	67,868	0	no change
330	State of Alaska, Department of Revenue	$528	67,352	0	no change
331	Smartleaf Asset Management LLC	$493	65	−11,001	trim
332	SHP Wealth Management	$470	60	+60	new
333	SBI Securities Co., Ltd.	$455	58	+46	add
334	Addison Advisors LLC	$408	52	+52	new
335	Vestcor Inc	$395	50,388	0	no change
336	HARBOR CAPITAL ADVISORS, INC.	$358	45,709	+45,709	new
337	South Dakota Investment Council	$353	45,000	0	no change
338	Valued Wealth Advisors LLC	$220	28	0	no change
339	CVA Family Office, LLC	$196	25	+25	new
340	DecisionPoint Financial, LLC	$189	24	0	no change
341	KBC Group NV	$168	21,451	0	no change
342	Prestige Wealth Management Group LLC	$142	18	−55	trim
343	Claret Asset Management Corp	$133	16,915	+3	add
344	Quantitative Investment Management, LLC	$128	16,398	−94,519	trim
345	GSA CAPITAL PARTNERS LLP	$127	16,213	−28,131	trim
346	3 FACTOR INDEXING, LLC	$95	12	—	no prior
347	Quaker Wealth Management, LLC	$87	11	+11	new
348	American Capital Advisory, LLC	$87	11	+11	new
349	DiNuzzo Private Wealth, Inc.	$79	10	0	no change
350	Sunrise Financial Services, LLC	$78	10	+10	new
351	Annis Gardner Whiting Capital Advisors, LLC	$63	8	−5	trim
352	TD Capital Management LLC	$47	6	0	no change
353	ACADIAN ASSET MANAGEMENT LLC	$41	5,295	+5,295	new
354	Vermillion Wealth Management, Inc.	$24	3	+3	new
355	Keating Financial Advisory Services, Inc.	$24	3	−9	trim
356	JFS WEALTH ADVISORS, LLC	$16	2	−120	trim
357	Avion Wealth	$0	67	+67	new
358	VANGUARD GROUP INC	—	—	−64,904,889	exit
359	MML INVESTORS SERVICES, LLC	—	—	−27,790	exit
360	CITIZENS FINANCIAL GROUP INC/RI	—	—	−18,055	exit
361	HARBOUR INVESTMENTS, INC.	—	—	−38	exit
362	Clearstead Advisors, LLC	—	—	−29	exit
363	COMERICA BANK	—	—	−296,375	exit
364	VIRGINIA RETIREMENT SYSTEMS ET Al	—	—	−168,600	exit
365	Pekin Hardy Strauss, Inc.	—	—	−37,000	exit
366	WEXFORD CAPITAL LP	—	—	−8,953	exit
367	CIBC WORLD MARKETS CORP	—	—	−146,958	exit
368	GATEWAY INVESTMENT ADVISERS LLC	—	—	−15,065	exit
369	THORNBURG INVESTMENT MANAGEMENT INC	—	—	−576,959	exit
370	WESTWOOD HOLDINGS GROUP INC	—	—	−949,003	exit
371	TWO SIGMA INVESTMENTS, LP	—	—	−412,713	exit
372	NATIXIS	—	—	−56,178	exit
373	CIBC Private Wealth Group LLC	—	—	−1,443	exit
374	MOTCO	—	—	−55	exit
375	NORGES BANK	—	—	−6,398,087	exit
376	Boston Partners	—	—	−433,421	exit
377	AMG National Trust Bank	—	—	−138,313	exit
378	Rafferty Asset Management, LLC	—	—	−11,458	exit
379	PEAK6 LLC	—	—	−5,394	exit
380	Ancora Advisors LLC	—	—	−385	exit
381	Verition Fund Management LLC	—	—	−581,330	exit
382	Alberta Investment Management Corp	—	—	−1,111,144	exit
383	AIA Group Ltd	—	—	−56,756	exit
384	SUMMIT SECURITIES GROUP LLC	—	—	−25,000	exit
385	Twin Tree Management, LP	—	—	−93,341	exit
386	Atria Investments, Inc	—	—	−21,275	exit
387	Private Advisor Group, LLC	—	—	−11,981	exit
388	Alpine Global Management, LLC	—	—	−18,448	exit
389	Vontobel Holding Ltd.	—	—	−70,135	exit
390	Dynamic Advisor Solutions LLC	—	—	−34,796	exit
391	Prosight Management, LP	—	—	−898,499	exit
392	FINANCIAL CONSULATE, INC	—	—	−34	exit
393	Bellevue Group AG	—	—	−276,266	exit
394	Centiva Capital, LP	—	—	−50,000	exit
395	Hunting Hill Global Capital, LLC	—	—	−20,387	exit
396	DV Trading LLC	—	—	−1,601	exit
397	Neo Ivy Capital Management	—	—	−299,042	exit
398	Castleview Partners, LLC	—	—	−10,199	exit
399	Circumference Group LLC	—	—	−305,000	exit
400	Global Retirement Partners, LLC	—	—	−822	exit
401	Qsemble Capital Management, LP	—	—	−115,553	exit
402	Y-Intercept (Hong Kong) Ltd	—	—	−63,754	exit
403	Ethic Inc.	—	—	−41,571	exit
404	Archer Investment Corp	—	—	−13,047	exit
405	Aquatic Capital Management LLC	—	—	−425,812	exit
406	Veracity Capital LLC	—	—	−20,462	exit
407	Legacy Wealth Asset Management, LLC	—	—	−37,081	exit
408	B. Metzler seel. Sohn & Co. AG	—	—	−75,829	exit
409	CenterBook Partners LP	—	—	−231,253	exit
410	AlphaQuest LLC	—	—	−6,550	exit
411	Cromwell Holdings LLC	—	—	−113	exit
412	Dunhill Financial, LLC	—	—	−16	exit
413	Caitong International Asset Management Co., Ltd	—	—	−6,051	exit
414	Broyhill Asset Management, LLC	—	—	−277,534	exit
415	Portside Wealth Group, LLC	—	—	−10,213	exit
416	Atlantic Edge Private Wealth Management, LLC	—	—	−63	exit
417	Jain Global LLC	—	—	−210,598	exit
418	Quest 10 Wealth Builders, Inc.	—	—	−10	exit
419	Fieldview Capital Management, LLC	—	—	−18,546	exit
420	Pacific Capital Partners Ltd	—	—	−424,520	exit
421	HFM Investment Advisors, LLC	—	—	−6	exit
422	TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA	—	—	−5,040	exit
423	CAPITOLIS LIQUID GLOBAL MARKETS LLC	—	—	−505,000	exit
424	Fideuram Asset Management (Ireland) dac	—	—	−580	exit

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

Congress ↔ notable managers · AVTR

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: 4 Tudor Investment Corp, Gotham Asset Management, Bridgewater Associates, Caxton Associates $29.9M held
Trimming: 1 Moore Capital Management $903K held

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

Merged timeline of congressional filings and notable-manager moves on AVTR
Date	Who	Change	Size
2026-05-15	Tudor Investment Corp 13F	add	+2,021,043 sh
2026-05-15	Gotham Asset Management 13F	add	+965,823 sh
2026-05-15	Bridgewater Associates 13F	new	+128,209 sh
2026-05-15	Moore Capital Management 13F	trim	−383,933 sh
2026-05-14	Caxton Associates 13F	new	+10,055 sh

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

5 members of Congress disclosed AVTR — the congressional view ↗