Position in ISRG
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$17,405,138
+$17,405,138 QoQ
Shares Held
37,756
Ownership
0.011%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
19 quarters on record
Voting authority
Sole 50.ToString("F0")%
Shared 50.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ISRG Over Time
Shares Held
Position Value (USD)
Derivatives in ISRG
reported options exposure · as of Mar 31, 2026CallValue
$1,475,168
CallShares
3,200
PutValue
$22,865,104
PutShares
49,600
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, 2026TUDOR INVESTMENT CORP ET AL holds $253,491,888 across 19 Medical Instruments & Supplies names. ISRG ranks #3 (6.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
|
2,196,804 | $166,056,414 | |
| 2 | AVTR |
Avantor, Inc.
|
2,344,437 | $18,380,386 | |
| 3 | ISRG |
Intuitive Surgical Inc
This page
|
37,756 | $17,405,138 | |
| 4 | WST |
West Pharmaceutical Services Inc
|
65,415 | $16,395,615 | |
| 5 | COO |
Cooper Companies, Inc.
|
190,995 | $13,656,142 | |
| 6 | BLCO |
Bausch & Lomb Corp
|
376,446 | $5,985,491 | |
| 7 | MMSI |
Merit Medical Systems Inc
|
60,679 | $4,182,603 | |
| 8 | LMAT |
Lemaitre Vascular Inc
|
33,147 | $3,618,657 |
All Filings in ISRG
Export CSV
42 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $22,865,104 | 49,600 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $17,405,138 | 37,756 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $1,475,168 | 3,200 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $2,095,532 | 3,700 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $42,533,636 | 75,100 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $52,840,224 | 118,150 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $42,889,357 | 95,900 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $1,431,136 | 3,200 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $1,901,935 | 3,500 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $30,267,937 | 55,700 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $2,525,877 | 5,100 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $5,695,605 | 11,500 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $250,606 | 506 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $887,332 | 1,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $2,140,036 | 4,100 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $14,590,719 | 29,700 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $4,912,700 | 10,000 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $5,916,505 | 13,300 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $1,779,400 | 4,000 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $997,725 | 2,500 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $359,181 | 900 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $640,984 | 1,900 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $379,977 | 1,300 | Call | Defined | 2023-11-15 | |
| 2023-09-30 | $4,735,098 | 16,200 | Put | Defined | 2023-11-15 | |
| 2023-06-30 | $4,958,130 | 14,500 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $4,411,026 | 12,900 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $485,393 | 1,900 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $306,564 | 1,200 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $3,104,595 | 11,700 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $2,467,755 | 9,300 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $787,248 | 4,200 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $1,167,001 | 6,226 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $768,504 | 4,100 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $3,984,695 | 19,853 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,449,641 | 8,120 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $1,176,552 | 3,900 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $1,025,712 | 3,400 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $431,160 | 1,200 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $3,020,994 | 8,408 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $497,074 | 1,500 | Put | Defined | 2021-11-17 | |
| 2021-09-30 | $546,119 | 1,648 | Shares | Defined | 2021-11-17 | |
| 2021-09-30 | $662,766 | 2,000 | Call | Defined | 2021-11-17 | |
| No filing history on record for this holder in this stock. | ||||||