Position in ISRG
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$647,844,920
+$387,387,850 QoQ
Shares Held
1,405,334
+205.6% QoQ
Ownership
0.397%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 96.37666206040699.ToString("F0")%
Shared 0.ToString("F0")%
None 3.6233379395930077.ToString("F0")%
Common Shares in ISRG Over Time
Shares Held
Position Value (USD)
Derivatives in ISRG
reported options exposure · as of Mar 31, 2026CallValue
$1,429,069
CallShares
3,100
PutValue
$2,351,049
PutShares
5,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $999,815,777 across 24 Medical Instruments & Supplies names. ISRG ranks #1 (64.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
This page
|
1,405,334 | $647,844,920 | |
| 2 | RMD |
Resmed Inc
|
312,468 | $70,142,816 | |
| 3 | WST |
West Pharmaceutical Services Inc
|
225,631 | $56,552,153 | |
| 4 | MDLN |
Medline Inc.
|
1,138,548 | $50,665,386 | |
| 5 | ALC |
Alcon Inc
|
585,600 | $44,124,960 | |
| 6 | LMAT |
Lemaitre Vascular Inc
|
281,978 | $30,783,538 | |
| 7 | HOLX |
HOLOGIC INC
|
328,504 | $24,831,617 | |
| 8 | ATRC |
AtriCure, Inc.
|
751,003 | $21,426,115 |
All Filings in ISRG
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33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,351,049 | 5,100 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $647,844,920 | 1,405,334 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $1,429,069 | 3,100 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $260,457,070 | 459,879 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $246,431,332 | 551,017 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $217,837,310 | 400,871 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $203,883,343 | 411,661 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $35,655,087 | 68,310 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $310,482 | 632 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $889,700 | 2,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $799,377 | 2,003 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $51,417,374 | 152,411 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $182,854,870 | 625,594 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $19,812,345 | 57,941 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $49,288,848 | 192,934 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $8,049,392 | 30,335 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $145,858,310 | 778,160 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $178,912,693 | 891,399 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $17,020,182 | 56,418 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $826,390 | 2,300 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $110,641,764 | 307,937 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $1,760,570 | 4,900 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $47,306,954 | 142,756 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $45,966,371 | 149,949 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $38,841,144 | 157,690 | Shares | Sole | 2021-05-17 | |
| 2021-03-31 | $738,939 | 3,000 | Put | Sole | 2021-05-17 | |
| 2020-12-31 | $4,454,281 | 16,334 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $9,472,357 | 40,050 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $189,943 | 1,000 | Call | Sole | 2020-08-14 | |
| 2020-06-30 | $379,886 | 2,000 | Put | Sole | 2020-08-14 | |
| 2020-03-31 | $2,063,375 | 12,500 | Put | Sole | 2020-05-15 | |
| 2020-03-31 | $4,135,333 | 25,052 | Shares | Sole | 2020-05-15 | |
| 2020-03-31 | $1,403,095 | 8,500 | Call | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||