Position in ISRG
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$43,780,193
-$103,735,224 QoQ
Shares Held
110,089
-65.6% QoQ
Ownership
0.031%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#244
of 2,223 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in ISRG Over Time
Shares Held
Position Value (USD)
Derivatives in ISRG
reported options exposure · as of Jun 30, 2026CallValue
$0
CallShares
0
PutValue
$24,059,640
PutShares
60,500
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 Jun 30, 2026MARSHALL WACE, LLP holds $588,908,935 across 29 Medical Instruments & Supplies names. ISRG ranks #3 (7.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AVTR |
Avantor, Inc.
|
13,130,158 | $129,988,562 | |
| 2 | BAX |
Baxter International Inc
|
4,857,267 | $103,556,932 | |
| 3 | ISRG |
Intuitive Surgical Inc
This page
|
110,089 | $43,780,193 | |
| 4 | ALC |
Alcon Inc
|
623,516 | $41,837,923 | |
| 5 | XRAY |
DENTSPLY SIRONA Inc.
|
3,800,116 | $40,319,230 | |
| 6 | RGEN |
Repligen Corp
|
282,107 | $38,490,678 | |
| 7 | ATRC |
AtriCure, Inc.
|
1,333,904 | $37,322,632 | |
| 8 | WST |
West Pharmaceutical Services Inc
|
83,578 | $30,004,502 |
All Filings in ISRG
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $24,059,640 | 60,500 | Put | Other | 2026-08-13 | |
| 2026-06-30 | $43,780,193 | 110,089 | Shares | Other | 2026-08-13 | |
| 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 | $10,582,725 | 10,645 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $15,056,347 | 16,372 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $11,961,959 | 16,188 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $3,040,877 | 3,717 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $576,855 | 813 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $3,503,314 | 6,148 | Shares | Sole | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||