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 2020Disciplined Growth InvestorsSell-14,150311,962$154,487
Q1 2020ARK InvestBuy2,0015,647$2,796
Q1 2020Sequoia Financial AdvisorsBuy651,024$507
Q4 2019Renaissance Technologies LLCSell-110,790119,710$70,767
Q4 2019Disciplined Growth InvestorsBuy4,330326,112$192,781
Q4 2019ARK InvestSell-9703,646$2,155
Q4 2019Sequoia Financial AdvisorsBuy128959$567
Q3 2019Disciplined Growth InvestorsSell-22,448321,782$173,740
Q3 2019ARK InvestSell-8184,616$2,492
Q3 2019Sequoia Financial AdvisorsSell-212831$449
Q2 2019Disciplined Growth InvestorsSell-22,698344,230$180,566
Q2 2019ARK InvestBuy5085,434$2,850
Q2 2019Sequoia Financial AdvisorsBuy3681,043$547
Q1 2019Disciplined Growth InvestorsSell-2,992366,928$209,362
Q1 2019Sequoia Financial AdvisorsBuy150675$385
Q4 2018Renaissance Technologies LLCSell-452,000230,500$110,391
Q4 2018Disciplined Growth InvestorsSell-15,486369,920$177,162
Q4 2018ARK InvestBuy1,3174,926$2,359
Q4 2018Sequoia Financial AdvisorsBuy5525$251
Q3 2018Renaissance Technologies LLCSell-799,510682,500$391,755
Q3 2018Disciplined Growth InvestorsBuy4,255385,406$221,223
Q3 2018ARK InvestBuy3793,609$2,072
Q2 2018Disciplined Growth InvestorsSell-20,230381,151$182,373
Q2 2018ARK InvestBuy3,2303,230$1,545
Q1 2018Renaissance Technologies LLCBuy41,4101,482,010$611,818
Q1 2018Disciplined Growth InvestorsSell-19,187401,381$165,702
Q1 2018Olstein Capital ManagementSell-4,6003,400$1,404
Q1 2018Sequoia Financial AdvisorsBuy520520$215
Q4 2017Renaissance Technologies LLCBuy1,012,0001,440,600$525,733
Q4 2017Disciplined Growth InvestorsBuy279,752420,568$153,482

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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