INTUITIVE SURGICAL INC (ISRG) Stock Institutional Trading Activity


INTUITIVE SURGICAL INC (ISRG) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Polen Capital Management, Mairs & Power Growth Fund, Renaissance Technologies LLC, Disciplined Growth Investors, and ARK Invest. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Mairs & Power Growth FundBuy62,27762,277$35,271,202
Q4 2025Disciplined Growth InvestorsBuy946110,426$62,540,869
Q4 2025Renaissance Technologies LLCSell-41,700152,830$86,556,799
Q4 2025Polen Capital ManagementBuy838,721842,618$477,224,970
Q3 2025ARK InvestBuy9,47029,812$13,332,821
Q3 2025Parnassus Endeavor FundBuy772,789$1,247,325
Q3 2025Sequoia Financial AdvisorsSell-5869,098$4,068,820
Q3 2025Disciplined Growth InvestorsSell-4,724109,480$48,962,740
Q3 2025Renaissance Technologies LLCBuy80,000194,530$86,999,652
Q2 2025ARK InvestBuy50720,342$11,054,046
Q2 2025Parnassus Endeavor FundBuy4032,712$1,473,728
Q2 2025Sequoia Financial AdvisorsBuy1,0979,684$5,262,644
Q2 2025Disciplined Growth InvestorsSell-20,453114,204$62,059,596
Q1 2025ARK InvestBuy38519,835$9,823,680
Q1 2025Parnassus Endeavor FundSell-92,309$1,143,579
Q1 2025Sequoia Financial AdvisorsBuy278,587$4,252,770
Q1 2025Renaissance Technologies LLCBuy106,900114,530$56,723,273
Q1 2025Disciplined Growth InvestorsSell-108,987134,657$66,691,572
Q4 2024ARK InvestSell-35419,450$10,152,122
Q4 2024Giverny CapitalSell-64,144405$211,394
Q4 2024Parnassus Endeavor FundBuy1852,318$1,209,904
Q4 2024Renaissance Technologies LLCSell-84,7007,630$3,982,555
Q4 2024Sequoia Financial AdvisorsBuy9428,560$4,467,858
Q4 2024Disciplined Growth InvestorsSell-4,564243,644$127,172,422
Q3 2024ARK InvestSell-13,47619,804$9,729,111
Q3 2024Parnassus Endeavor FundBuy5742,133$1,047,879
Q3 2024Sequoia Financial AdvisorsBuy3087,618$3,742,255
Q3 2024Renaissance Technologies LLCSell-46,32992,330$45,358,959
Q3 2024Disciplined Growth InvestorsBuy861248,208$121,937,144
Q2 2024ARK InvestSell-3,70533,280$14,804,608

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.