INTUITIVE SURGICAL INC (ISRG) Institutional Ownership Changes & 13F Activity

INTUITIVE SURGICAL INC (ISRG) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management, Mairs & Power Growth Fund, ARK Invest, Renaissance Technologies LLC, and Disciplined Growth Investors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Polen Capital ManagementSell-235,792606,826$279,740,605
Q1 2026Mairs & Power Growth FundBuy37,60899,885$46,045,986
Q1 2026ARK InvestBuy19,89368,991$31,804,161
Q1 2026Renaissance Technologies LLCSell-13,428139,402$64,262,928
Q1 2026Disciplined Growth InvestorsSell-3,465106,961$49,307,951
Q1 2026Parnassus Endeavor FundBuy1,4314,518$2,082,752
Q1 2026Sequoia Financial AdvisorsBuy17811,359$5,236,236
Q4 2025Polen Capital ManagementBuy838,721842,618$477,224,970
Q4 2025Mairs & Power Growth FundBuy62,27762,277$35,271,202
Q4 2025Renaissance Technologies LLCSell-41,700152,830$86,556,799
Q4 2025ARK InvestBuy19,28649,098$27,807,143
Q4 2025Sequoia Financial AdvisorsBuy2,08311,181$6,332,530
Q4 2025Disciplined Growth InvestorsBuy946110,426$62,540,869
Q4 2025Parnassus Endeavor FundBuy2983,087$1,748,353
Q3 2025Renaissance Technologies LLCBuy80,000194,530$86,999,652
Q3 2025ARK InvestBuy9,47029,812$13,332,821
Q3 2025Disciplined Growth InvestorsSell-4,724109,480$48,962,740
Q3 2025Sequoia Financial AdvisorsSell-5869,098$4,068,820
Q3 2025Parnassus Endeavor FundBuy772,789$1,247,325
Q2 2025Disciplined Growth InvestorsSell-20,453114,204$62,059,596
Q2 2025Sequoia Financial AdvisorsBuy1,0979,684$5,262,644
Q2 2025ARK InvestBuy50720,342$11,054,046
Q2 2025Parnassus Endeavor FundBuy4032,712$1,473,728
Q1 2025Disciplined Growth InvestorsSell-108,987134,657$66,691,572
Q1 2025Renaissance Technologies LLCBuy106,900114,530$56,723,273
Q1 2025ARK InvestBuy38519,835$9,823,680
Q1 2025Sequoia Financial AdvisorsBuy278,587$4,252,770
Q1 2025Parnassus Endeavor FundSell-92,309$1,143,579
Q4 2024Renaissance Technologies LLCSell-84,7007,630$3,982,555
Q4 2024Giverny CapitalSell-64,144405$211,394

Frequently asked questions about ISRG activity

  • Which institutional owners are buying ISRG?

    Institutional owners buying ISRG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ISRG activity?

    "Buy" means an investor increased their reported position in ISRG compared to the prior reporting period. This reflects growing exposure to INTUITIVE SURGICAL INC (ISRG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ISRG increasing?

    Institutional interest in ISRG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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