Position in ISRG
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$59,347,391
-$209,417,047 QoQ
Shares Held
128,739
-72.9% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.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
$4,010,613
CallShares
8,700
PutValue
$5,992,870
PutShares
13,000
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, 2026Balyasny Asset Management L.P. holds $607,514,519 across 17 Medical Instruments & Supplies names. ISRG ranks #2 (9.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
|
4,722,968 | $357,009,151 | |
| 2 | ISRG |
Intuitive Surgical Inc
This page
|
128,739 | $59,347,391 | |
| 3 | TFX |
Teleflex Inc
|
401,417 | $48,013,487 | |
| 4 | ATR |
Aptargroup, Inc.
|
271,589 | $34,225,645 | |
| 5 | MDLN |
Medline Inc.
|
618,293 | $27,514,038 | |
| 6 | MMSI |
Merit Medical Systems Inc
|
320,659 | $22,103,024 | |
| 7 | COO |
Cooper Companies, Inc.
|
237,618 | $16,989,686 | |
| 8 | RGEN |
Repligen Corp
|
125,469 | $14,782,757 |
All Filings in ISRG
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,992,870 | 13,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $4,010,613 | 8,700 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $59,347,391 | 128,739 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $268,764,438 | 474,547 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $8,212,220 | 14,500 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $23,107,488 | 40,800 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $4,517,023 | 10,100 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $3,130,610 | 7,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $217,034,457 | 485,286 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,433,472 | 19,200 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $119,320,880 | 219,578 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $13,476,568 | 24,800 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $125,722,308 | 253,846 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $24,763,500 | 50,000 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $11,341,683 | 22,900 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $19,573,500 | 37,500 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $9,134,300 | 17,500 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $96,904,483 | 185,655 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $147,959,716 | 301,178 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $786,032 | 1,600 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $3,586,271 | 7,300 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $82,209,614 | 184,803 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $1,379,035 | 3,100 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $9,697,887 | 24,300 | Call | Sole | 2024-05-13 | |
| 2024-03-31 | $51,524,115 | 129,104 | Shares | Sole | 2024-05-13 | |
| 2024-03-31 | $7,103,802 | 17,800 | Put | Sole | 2024-05-13 | |
| 2023-12-31 | $674,720 | 2,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $61,648,491 | 182,738 | Shares | Sole | 2024-02-14 | |
| 2023-12-31 | $708,456 | 2,100 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $28,644,420 | 98,000 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $8,768,700 | 30,000 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $44,661,912 | 152,800 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $123,126,439 | 360,082 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $33,797,914 | 132,297 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $74,607,397 | 281,166 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $17,539,635 | 66,100 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $85,753,800 | 457,500 | Call | Sole | 2022-11-15 | |
| 2022-09-30 | $153,824,322 | 820,659 | Shares | Other | 2022-11-15 | |
| 2022-06-30 | $84,298,200 | 420,000 | Call | Sole | 2022-08-15 | |
| 2022-06-30 | $58,125,414 | 289,599 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $12,670,560 | 42,000 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $65,735,770 | 217,899 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $27,337,340 | 76,085 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $13,968,137 | 42,151 | Shares | Sole | 2021-12-01 | |
| 2021-06-30 | $40,737,604 | 132,892 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $490,474 | 1,600 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $429,165 | 1,400 | Call | Sole | 2021-08-16 | |
| 2021-03-31 | $33,322,248 | 135,284 | Shares | Sole | 2021-05-17 | |
| 2020-06-30 | $1,899,433 | 10,000 | Put | Sole | 2020-08-14 | |
| 2020-03-31 | $5,364,775 | 32,500 | Put | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||