Stock Ownership/ABT

ABBOTT LABORATORIES (ABT): Ownership & Insider Activity

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

Reported Holders
45
13F filers
Aggregate Value
$6.6B
Across holders
Last Price
$116.67
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity24 increased19 reduced6 exited
Full exits: MAVERICK CAPITAL LTD, VOLORIDGE INVESTMENT MANAGEMENT, LLC, CAXTON ASSOCIATES LLP, FRED ALGER MANAGEMENT, LLC, Magnetar Financial LLC, Parallax Volatility Advisers, L.P.
Institutional Holders of ABT
↗
45 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund10.90M$988.8M15.0%0.4%Added+$487.7MQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager8.79M$798.0M12.1%1.8%Reduced$-10.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund8.60M$780.1M11.8%0.1%Added+$720.2MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund8.13M$737.4M11.2%0.5%Added+$735.0MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund5.54M$502.9M7.6%0.4%Added+$334.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund4.19M$380.5M5.8%0.1%Added+$380.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund3.60M$326.7M4.9%0.1%Added+$285.1MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund2.49M$226.0M3.4%0.5%Added+$154.2MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund2.33M$211.6M3.2%0.3%Added+$56.7MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund2.14M$194.4M2.9%0.2%Added+$183.5MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$988.8M· 15.0% of total· 0.4% port· 10.90M sh· +$487.7M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$798.0M· 12.1% of total· 1.8% port· 8.79M sh· $-10.6M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$780.1M· 11.8% of total· 0.1% port· 8.60M sh· +$720.2M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$737.4M· 11.2% of total· 0.5% port· 8.13M sh· +$735.0M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$502.9M· 7.6% of total· 0.4% port· 5.54M sh· +$334.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$380.5M· 5.8% of total· 0.1% port· 4.19M sh· +$380.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$326.7M· 4.9% of total· 0.1% port· 3.60M sh· +$285.1M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$226.0M· 3.4% of total· 0.5% port· 2.49M sh· +$154.2M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$211.6M· 3.2% of total· 0.3% port· 2.33M sh· +$56.7M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$194.4M· 2.9% of total· 0.2% port· 2.14M sh· +$183.5M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$145.2M· 2.2% of total· 0.4% port· 1.60M sh· +$138.4M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$140.8M· 2.1% of total· 0.2% port· 1.55M sh· +$135.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$132.3M· 2.0% of total· 0.1% port· 1.46M sh· +$103.4M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$104.8M· 1.6% of total· 0.2% port· 1.15M sh· +$91.5M QoQ· Q2 2026
Sanders Capital, LLCReduced
Hedge Fund
$95.3M· 1.4% of total· 0.1% port· 1.05M sh· $-6.4M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$78.8M· 1.2% of total· 0.1% port· 868K sh· +$68.2M QoQ· Q2 2026
SOUTHEASTERN ASSET MANAGEMENT INC/TN/Added
Hedge Fund
$76.3M· 1.2% of total· 4.0% port· 841K sh· — QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$72.7M· 1.1% of total· 0.1% port· 801K sh· +$21.2M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Reduced
Institutional Manager
$69.1M· 1.0% of total· 0.0% port· 762K sh· $-29K QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$67.2M· 1.0% of total· 0.1% port· 741K sh· +$67.2M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$66.3M· 1.0% of total· 0.3% port· 719K sh· +$66.0M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$66.3M· 1.0% of total· 0.1% port· 730K sh· +$43.7M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$62.3M· 0.9% of total· 0.1% port· 686K sh· $-50.1M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$59.9M· 0.9% of total· 0.2% port· 661K sh· +$34.0M QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$49.3M· 0.7% of total· 0.4% port· 368K sh· $-599K QoQ· Q3 2025
Fisher Asset Management, LLCReduced
Institutional Manager
$45.9M· 0.7% of total· 0.0% port· 505K sh· $-22.4M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$44.5M· 0.7% of total· 0.1% port· 490K sh· +$22.6M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$29.9M· 0.5% of total· 0.1% port· 330K sh· +$24.8M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$10.0M· 0.2% of total· 0.1% port· 110K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$5.9M· 0.1% of total· 0.6% port· 63K sh· — QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$5.4M· 0.1% of total· 0.0% port· 60K sh· $-5.2M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$4.6M· 0.1% of total· 0.0% port· 51K sh· $-9.8M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$4.5M· 0.1% of total· 0.0% port· 50K sh· $-32.7M QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$4.3M· 0.1% of total· 0.1% port· 47K sh· +$3.9M QoQ· Q2 2026
SOROS FUND MANAGEMENT LLCUnchanged
Family Office
$4.1M· 0.1% of total· 0.0% port· 45K sh· +$0 QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$3.9M· 0.1% of total· 0.0% port· 43K sh· — QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$2.7M· 0.0% of total· 0.0% port· 29K sh· +$46K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$2.0M· 0.0% of total· 0.0% port· 22K sh· $-81K QoQ· Q2 2026
ELEMENT CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.0M· 0.0% of total· 0.1% port· 22K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$1.6M· 0.0% of total· 0.0% port· 18K sh· — QoQ· Q2 2026
DODGE & COXUnchanged
Institutional Manager
$1.6M· 0.0% of total· 0.0% port· 17K sh· +$0 QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$1.5M· 0.0% of total· 0.0% port· 16K sh· $-618K QoQ· Q2 2026
Bridgewater Advisors Inc.Reduced
Hedge Fund
$1.1M· 0.0% of total· 0.1% port· 10K sh· $-28K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$764K· 0.0% of total· 0.0% port· 8K sh· $-687K QoQ· Q2 2026
Eisler Capital (UK) Ltd.Reduced
Hedge Fund
$677K· 0.0% of total· 0.0% port· 6K sh· $-6.7M QoQ· Q3 2024
1–10 of 45
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