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
Q2 2021Disciplined Growth InvestorsBuy66115,941$106,624
Q2 2021Polen Capital ManagementBuy53,2091,090,046$1,002,450
Q1 2021ARK InvestBuy23,98549,855$36,840
Q1 2021Sequoia Financial AdvisorsSell-601,184$875
Q1 2021Renaissance Technologies LLCSell-11,00038,710$28,604
Q1 2021Disciplined Growth InvestorsSell-19,063115,875$85,625
Q1 2021Polen Capital ManagementBuy27,2551,036,837$766,160
Q4 2020ARK InvestBuy13,05025,870$21,164
Q4 2020Sequoia Financial AdvisorsBuy31,244$1,018
Q4 2020Disciplined Growth InvestorsSell-73,160134,938$110,393
Q4 2020Polen Capital ManagementBuy24,8131,009,582$825,939
Q3 2020Giverny CapitalBuy135135$96
Q3 2020ARK InvestBuy3,17012,820$9,096
Q3 2020Sequoia Financial AdvisorsBuy1,2411,241$881
Q3 2020Disciplined Growth InvestorsSell-7,329208,098$147,654
Q3 2020Polen Capital ManagementBuy673,429984,769$698,733
Q2 2020ARK InvestBuy4,0039,650$5,499
Q2 2020Sequoia Financial AdvisorsSell-1,0240$594
Q2 2020Disciplined Growth InvestorsSell-96,535215,427$122,757
Q1 2020ARK InvestBuy2,0015,647$2,796
Q1 2020Sequoia Financial AdvisorsBuy651,024$507
Q1 2020Renaissance Technologies LLCSell-70,00049,710$24,617
Q1 2020Disciplined Growth InvestorsSell-14,150311,962$154,487
Q4 2019ARK InvestSell-9703,646$2,155
Q4 2019Sequoia Financial AdvisorsBuy128959$567
Q4 2019Renaissance Technologies LLCSell-110,790119,710$70,767
Q4 2019Disciplined Growth InvestorsBuy4,330326,112$192,781
Q3 2019ARK InvestSell-8184,616$2,492
Q3 2019Sequoia Financial AdvisorsSell-212831$449
Q3 2019Disciplined Growth InvestorsSell-22,448321,782$173,740

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.