Position in ISRG
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$147,515,417
-$10,799,193 QoQ
Shares Held
319,997
+14.5% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
23 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.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 Sep 30, 2025CallValue
$0
CallShares
0
PutValue
$94,007,746
PutShares
210,200
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, 2026MARSHALL WACE, LLP holds $764,987,448 across 24 Medical Instruments & Supplies names. ISRG ranks #2 (19.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BDX |
Becton Dickinson & Co
|
1,587,797 | $249,649,321 | |
| 2 | ISRG |
Intuitive Surgical Inc
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|
319,997 | $147,515,417 | |
| 3 | RMD |
Resmed Inc
|
381,296 | $85,593,325 | |
| 4 | XRAY |
DENTSPLY SIRONA Inc.
|
4,508,402 | $52,297,462 | |
| 5 | ATRC |
AtriCure, Inc.
|
1,467,524 | $41,868,458 | |
| 6 | MMSI |
Merit Medical Systems Inc
|
574,436 | $39,595,872 | |
| 7 | BAX |
Baxter International Inc
|
2,266,708 | $38,080,693 | |
| 8 | MDLN |
Medline Inc.
|
641,715 | $28,556,317 |
All Filings in ISRG
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $147,515,417 | 319,997 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $158,314,610 | 279,530 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $94,007,746 | 210,200 | Put | Other | 2025-11-13 | |
| 2025-09-30 | $177,002,004 | 395,774 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $79,301,994 | 145,934 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $40,614,120 | 82,004 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $99,260,610 | 190,169 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $212,587,757 | 432,731 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $32,886,425 | 73,927 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $261,060,731 | 654,140 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $376,004,924 | 1,114,551 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $229,468,986 | 785,073 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $484,310,137 | 1,416,360 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $261,713,175 | 1,024,438 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $60,697,220 | 228,744 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $10,184,177 | 54,333 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $71,471,425 | 356,093 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $10,383,825 | 34,420 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $278,168,262 | 774,195 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $3,527,575 | 10,645 | Shares | Sole | 2021-11-15 | |
| 2021-03-31 | $3,987,319 | 16,188 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,013,625 | 3,717 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $192,285 | 813 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,167,771 | 6,148 | Shares | Sole | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||