Stock Ownership/AVTR

Avantor, Inc. (AVTR): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AVTR · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$1.9B
Across holders
Last Price
$14.26
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity15 increased5 reduced9 exited
Full exits: MAVERICK CAPITAL LTD, CAXTON ASSOCIATES LLP, Lighthouse Investment Partners, LLC, Woodline Partners LP, MOORE CAPITAL MANAGEMENT, LP, TUDOR INVESTMENT CORP ET AL, Qube Research & Technologies Ltd, Brevan Howard Capital Management LP, Walleye Capital LLC
Institutional Holders of AVTR
↗
21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
DODGE & COX
CIK 0000200217
Institutional Manager120.02M$1.2B61.3%0.6%Added+$3.7MQ2 2026
GREENHAVEN ASSOCIATES INC
CIK 0000846222
Institutional Manager24.64M$243.9M12.6%2.8%Added+$20.2MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund13.13M$130.0M6.7%0.1%Added+$126.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund11.63M$115.1M5.9%0.0%Added+$114.8MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund9.57M$94.8M4.9%0.0%Reduced$-100.3MQ2 2026
YACKTMAN ASSET MANAGEMENT CO/IL
CIK 0000905567
Institutional Manager4.77M$47.2M2.4%0.6%Added+$248KQ2 2026
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
CIK 0000807985
Hedge Fund4.73M$46.8M2.4%2.4%Added+$38.2MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund2.52M$24.9M1.3%0.1%Added+$11.8MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.01M$10.0M0.5%0.0%Added+$8.0MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund990K$9.8M0.5%0.0%Added+$3.8MQ2 2026
DODGE & COXAdded
Institutional Manager
$1.2B· 61.3% of total· 0.6% port· 120.02M sh· +$3.7M QoQ· Q2 2026
GREENHAVEN ASSOCIATES INCAdded
Institutional Manager
$243.9M· 12.6% of total· 2.8% port· 24.64M sh· +$20.2M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$130.0M· 6.7% of total· 0.1% port· 13.13M sh· +$126.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$115.1M· 5.9% of total· 0.0% port· 11.63M sh· +$114.8M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$94.8M· 4.9% of total· 0.0% port· 9.57M sh· $-100.3M QoQ· Q2 2026
YACKTMAN ASSET MANAGEMENT CO/ILAdded
Institutional Manager
$47.2M· 2.4% of total· 0.6% port· 4.77M sh· +$248K QoQ· Q2 2026
SOUTHEASTERN ASSET MANAGEMENT INC/TN/Added
Hedge Fund
$46.8M· 2.4% of total· 2.4% port· 4.73M sh· +$38.2M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$24.9M· 1.3% of total· 0.1% port· 2.52M sh· +$11.8M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$10.0M· 0.5% of total· 0.0% port· 1.01M sh· +$8.0M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$9.8M· 0.5% of total· 0.0% port· 990K sh· +$3.8M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$8.1M· 0.4% of total· 0.0% port· 814K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$7.5M· 0.4% of total· 0.0% port· 754K sh· +$6.5M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$4.0M· 0.2% of total· 0.0% port· 399K sh· +$3.3M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$3.0M· 0.2% of total· 0.0% port· 301K sh· +$1.7M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$2.5M· 0.1% of total· 0.0% port· 249K sh· — QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCUnchanged
Institutional Manager
$1.1M· 0.1% of total· 0.0% port· 107K sh· +$0 QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$440K· 0.0% of total· 0.0% port· 35K sh· $-109K QoQ· Q3 2025
Magnetar Financial LLCReduced
Hedge Fund
$208K· 0.0% of total· 0.0% port· 21K sh· $-827K QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$131K· 0.0% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$84K· 0.0% of total· 0.0% port· 9K sh· +$30K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$82K· 0.0% of total· 0.0% port· 8K sh· — QoQ· Q2 2026
1–10 of 21
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