Stock Ownership/ISRG

INTUITIVE SURGICAL INC (ISRG): Ownership & Insider Activity

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

Reported Holders
46
13F filers
Aggregate Value
$9.4B
Across holders
Last Price
$373.57
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity27 increased19 reduced5 exited
Full exits: AXIOM INVESTORS LLC /DE, CAXTON ASSOCIATES LLP, Davidson Kempner Capital Management LP, DODGE & COX, HBK INVESTMENTS L P
Institutional Holders of ISRG
↗
46 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager3.92M$1.6B16.6%0.5%Added+$26.2MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund3.74M$1.5B15.9%0.7%Added+$651.8MQ2 2026
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager2.52M$1.0B10.7%0.9%Reduced+$850.0MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.98M$787.1M8.4%0.6%Added+$228.2MQ2 2026
SANDS CAPITAL MANAGEMENT, LLC
CIK 0001020066
Institutional Manager1.25M$498.1M5.3%1.8%Reduced$-27.4MQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager1.23M$488.3M5.2%1.1%Reduced$-1.2MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund1.22M$483.4M5.2%0.4%Reduced$-59.4MQ2 2026
COATUE MANAGEMENT LLC
CIK 0001135730
Hedge Fund794K$315.6M3.4%0.6%Reduced+$286.1MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund781K$310.8M3.3%0.7%Reduced$-102.9MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund745K$296.3M3.2%0.3%Added+$291.4MQ2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$1.6B· 16.6% of total· 0.5% port· 3.92M sh· +$26.2M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$1.5B· 15.9% of total· 0.7% port· 3.74M sh· +$651.8M QoQ· Q2 2026
BAILLIE GIFFORD & COReduced
Institutional Manager
$1.0B· 10.7% of total· 0.9% port· 2.52M sh· +$850.0M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$787.1M· 8.4% of total· 0.6% port· 1.98M sh· +$228.2M QoQ· Q2 2026
SANDS CAPITAL MANAGEMENT, LLCReduced
Institutional Manager
$498.1M· 5.3% of total· 1.8% port· 1.25M sh· $-27.4M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$488.3M· 5.2% of total· 1.1% port· 1.23M sh· $-1.2M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$483.4M· 5.2% of total· 0.4% port· 1.22M sh· $-59.4M QoQ· Q2 2026
COATUE MANAGEMENT LLCReduced
Hedge Fund
$315.6M· 3.4% of total· 0.6% port· 794K sh· +$286.1M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$310.8M· 3.3% of total· 0.7% port· 781K sh· $-102.9M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$296.3M· 3.2% of total· 0.3% port· 745K sh· +$291.4M QoQ· Q2 2026
D1 Capital Partners L.P.Added
Hedge Fund
$228.3M· 2.4% of total· 0.7% port· 574K sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$200.6M· 2.1% of total· 0.3% port· 504K sh· +$145.2M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$186.9M· 2.0% of total· 0.0% port· 470K sh· $-278.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$164.4M· 1.8% of total· 0.1% port· 413K sh· +$114.5M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$160.4M· 1.7% of total· 0.1% port· 403K sh· +$140.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$135.3M· 1.4% of total· 0.1% port· 340K sh· +$133.8M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$133.9M· 1.4% of total· 0.0% port· 337K sh· +$133.9M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$130.3M· 1.4% of total· 0.2% port· 328K sh· $-20.7M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$130.0M· 1.4% of total· 0.4% port· 327K sh· +$90.3M QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$95.3M· 1.0% of total· 0.6% port· 240K sh· +$71.5M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$82.6M· 0.9% of total· 0.1% port· 208K sh· $-306.0M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$66.7M· 0.7% of total· 0.1% port· 168K sh· +$38.0M QoQ· Q2 2026
ORBIMED ADVISORS LLCReduced
Hedge Fund
$62.8M· 0.7% of total· 1.2% port· 158K sh· $-20.2M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$57.1M· 0.6% of total· 0.1% port· 143K sh· +$48.7M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$43.9M· 0.5% of total· 0.1% port· 110K sh· +$37.9M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$43.8M· 0.5% of total· 0.0% port· 110K sh· $-210.7M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$40.9M· 0.4% of total· 0.1% port· 103K sh· +$6.3M QoQ· Q2 2026
PineBridge Investments, L.P.Added
Hedge Fund
$26.9M· 0.3% of total· 0.2% port· 60K sh· +$11.4M QoQ· Q3 2025
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$26.7M· 0.3% of total· 0.1% port· 67K sh· +$11.5M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$23.1M· 0.2% of total· 0.1% port· 58K sh· — QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$18.6M· 0.2% of total· 0.0% port· 47K sh· $-1.1M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$15.7M· 0.2% of total· 0.1% port· 40K sh· +$10.1M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$10.1M· 0.1% of total· 0.0% port· 25K sh· +$3.9M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$8.2M· 0.1% of total· 0.1% port· 21K sh· +$7.2M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$7.7M· 0.1% of total· 0.0% port· 19K sh· +$807K QoQ· Q2 2026
Alphadyne Asset Management LPAdded
Hedge Fund
$6.3M· 0.1% of total· 0.1% port· 16K sh· $-3.8M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALAdded
Institutional Manager
$6.0M· 0.1% of total· 0.1% port· 15K sh· +$1.3M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$4.7M· 0.1% of total· 0.0% port· 12K sh· $-10.2M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$4.4M· 0.0% of total· 0.0% port· 11K sh· +$899K QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$3.4M· 0.0% of total· 0.1% port· 9K sh· +$2.3M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$3.1M· 0.0% of total· 0.0% port· 8K sh· $-2.0M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$1.9M· 0.0% of total· 0.0% port· 5K sh· +$1.6M QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$711K· 0.0% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
Eisler Capital (UK) Ltd.Added
Hedge Fund
$669K· 0.0% of total· 0.0% port· 1K sh· $-7.3M QoQ· Q3 2024
Bridgewater Advisors Inc.Reduced
Hedge Fund
$335K· 0.0% of total· 0.0% port· 892 sh· $-24K QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Reduced
Hedge Fund
$2K· 0.0% of total· 0.0% port· 6 sh· $-356K QoQ· Q2 2026
1–10 of 46
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