Avantor, Inc. (AVTR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

16,904,039Shares held by institutions

$128,386,176Value of institutional holdings

103.86%Institutional ownership %

5.60%Shares Changed QoQ

498No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Avantor, Inc. (NYSE:AVTR) has 404 institutional investors with active 13F positions as of December 2025.

They owned 105.0% of outstanding stock in December 2025, up from 100.9% the prior quarter.
They increased total shares held in AVTR by 7.65% quarter over quarter, and investors in Avantor decreased 16.36% from a year ago.
During the quarter, 171 of these 404 funds increased positions in AVTR, 187 reduced exposure, and 46 held steady.
The aggregate institutional position in Avantor amounted to 711.85Mn shares as of December 2025, up by 50.59Mn shares quarter on quarter, and down 12.56Mn shares year over year.
DODGE & COX holds the largest position in AVTR at 117.07Mn shares as of December 31, 2025, or 17.26% of shares outstanding.
Top purchasers of AVTR stock for the quarter ending December 2025 included WELLINGTON MANAGEMENT GROUP LLP (23.44Mn), T. Rowe Price Investment Management, Inc. (20.44Mn), Morgan Stanley (11.22Mn), NORGES BANK (6.4Mn), D. E. Shaw & Co., Inc. (4.84Mn).
The largest sales of AVTR for the quarter ending December 2025 came from Bank Of America Corp /De/ (8.25Mn), Engine Capital Management, LP (7.79Mn), CITADEL ADVISORS LLC (6.73Mn), MANUFACTURERS LIFE INSURANCE COMPANY, THE (3.27Mn), Royal Bank Of Canada (2.88Mn).
Per Business Quant, the top 10 investors in AVTR for the quarter ending December 2025 include DODGE & COX (117.07Mn), VANGUARD GROUP INC (64.9Mn), BlackRock, Inc. (59.6Mn), T. Rowe Price Investment Management, Inc. (53.37Mn), BARROW HANLEY MEWHINNEY & STRAUSS LLC (33.29Mn), WELLINGTON MANAGEMENT GROUP LLP (23.44Mn), GREENHAVEN ASSOCIATES INC (20.5Mn), State Street Corp (20.21Mn), Morgan Stanley (17.47Mn), Invesco Ltd. (17.18Mn).

404 Institutional Holders

16,904,039 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-1,120,061	-1.84%	$0.00
DODGE & COX	31 Dec, 2025	-681,745	-0.58%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	20,443,062	62.08%	$0.00
Barclays Plc	31 Dec, 2025	-1,131,555	-53.91%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-1,084,088	-1.64%	$0.00
Engine Capital Management, LP	31 Dec, 2025	-7,792,618	-39.52%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	406,874	1,369.95%	$0.00
BARROW HANLEY MEWHINNEY & STRAUSS LLC	31 Dec, 2025	-1,260,955	-3.65%	$0.00
UBS Group AG	31 Dec, 2025	3,573,739	85.95%	$0.00
Danica Pension, Livsforsikringsaktieselskab	31 Dec, 2025	-63,072	-50.00%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	23,436,636	0.00%	$0.00
Voss Capital, LP	31 Dec, 2025	-872,210	-17.53%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	-20,584	-69.55%	$0.00
GREENHAVEN ASSOCIATES INC	31 Dec, 2025	2,189,083	11.95%	$0.00
Eversept Partners, LP	31 Dec, 2025	2,252,202	243.63%	$0.00
PEAK6 LLC	31 Dec, 2025	-55,056	-91.08%	$0.00
State Street Corp	31 Dec, 2025	-156,364	-0.77%	$0.00
Freestone Grove Partners LP	31 Dec, 2025	2,584,006	0.00%	$0.00
Morgan Stanley	31 Dec, 2025	11,216,565	179.41%	$0.00
Perpetual Ltd	31 Dec, 2025	28,336	1.57%	$0.00

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