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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

ISRG holding history

Intuitive Surgical Inc in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ISRG overviewAll 13F holders of ISRGFull Q2 2026 holdings

Shares (Q2 2026)
1,200
Value
$477.2K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of ISRG by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,200$477.2K<0.1%00.0%UnchangedHolders
Q1 20261,200$553.2K<0.1%00.0%UnchangedHolders
Q4 20251,200$679.6K<0.1%00.0%UnchangedHolders
Q3 20251,200$536.7K<0.1%−90,499−98.7%ReducedHolders
Q2 202591,699$49.8M1.5%−23,726−20.6%ReducedHolders
Q1 2025115,425$57.2M2.0%+24,956+27.6%AddedHolders
Q4 202490,469$47.2M1.6%+2,990+3.4%AddedHolders
Q3 202487,479$43.0M1.8%−25,717−22.7%ReducedHolders
Q2 2024113,196$50.4M2.1%+1,430+1.3%AddedHolders
Q1 2024111,766$44.6M1.9%+12,622+12.7%AddedHolders
Q4 202399,144$33.4M1.5%−2,836−2.8%ReducedHolders
Q3 2023101,980$29.8M1.5%+8,210+8.8%AddedHolders
Q2 202393,770$32.1M1.5%+35,580+61.1%AddedHolders
Q1 202358,190$14.9M0.7%−860−1.5%ReducedHolders
Q4 202259,050$15.7M0.8%+57,850+4,820.8%AddedHolders
Q3 20221,200$225.0K<0.1%00.0%UnchangedHolders
Q2 20221,200$241.0K<0.1%00.0%UnchangedHolders
Q1 20221,200$362.0K<0.1%00.0%UnchangedHolders
Q4 20211,200$431.0K<0.1%00.0%UnchangedConverted for a 3-for-1 splitHolders
Q3 2021400$398.0K<0.1%00.0%UnchangedHolders
Q2 2021400$368.0K<0.1%00.0%UnchangedHolders
Q1 2021400$296.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.