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
Q3 2022ARK InvestBuy9,44654,304$10,179
Q3 2022Sequoia Financial AdvisorsSell-2343,005$563
Q3 2022Polen Capital ManagementSell-3,434,5013,897$730
Q3 2022Renaissance Technologies LLCBuy31,300124,630$23,361
Q3 2022Disciplined Growth InvestorsSell-1,358337,602$63,280
Q2 2022ARK InvestSell-3,63644,858$10,211
Q2 2022Sequoia Financial AdvisorsSell-7113,239$650
Q2 2022Renaissance Technologies LLCSell-120,60093,330$18,732
Q2 2022Disciplined Growth InvestorsBuy7,230338,960$68,033
Q2 2022Polen Capital ManagementSell-133,2853,438,398$690,121
Q1 2022ARK InvestSell-27,03148,494$14,630
Q1 2022Sequoia Financial AdvisorsBuy3453,950$1,192
Q1 2022Disciplined Growth InvestorsBuy6,221331,730$100,076
Q1 2022Polen Capital ManagementBuy164,7653,571,683$1,077,505
Q4 2021Dodge & Cox Stock FundBuy498747$268
Q4 2021ARK InvestBuy50,54775,525$27,136
Q4 2021Sequoia Financial AdvisorsBuy3,0063,605$1,295
Q4 2021Renaissance Technologies LLCBuy110,920213,930$76,865
Q4 2021Disciplined Growth InvestorsBuy213,141325,509$116,955
Q4 2021Polen Capital ManagementBuy2,307,9993,406,918$1,224,106
Q3 2021ARK InvestSell-27,23124,978$8,277
Q3 2021Sequoia Financial AdvisorsSell-609599$595
Q3 2021Giverny CapitalBuy64,41464,549$21,390
Q3 2021Renaissance Technologies LLCBuy36,900103,010$102,407
Q3 2021Disciplined Growth InvestorsSell-3,573112,368$111,711
Q3 2021Polen Capital ManagementBuy8,8731,098,919$1,092,490
Q2 2021Dodge & Cox Stock FundSell-251249$229
Q2 2021ARK InvestBuy2,35452,209$48,013
Q2 2021Sequoia Financial AdvisorsBuy241,208$1,111
Q2 2021Renaissance Technologies LLCBuy27,40066,110$60,797

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.