Marshall Wace’s Intuitive Surgical ISRG Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $148M | Buy |
319,997
+40,467
| +14% | +$20.5M | 0.15% | 104 |
|
|
2025
Q4 | $158M | Sell |
279,530
-116,244
| -29% | -$61.9M | 0.14% | 112 |
|
|
2025
Q3 | $177M | Buy |
395,774
+249,840
| +171% | +$120M | 0.18% | 85 |
|
|
2025
Q2 | $79.3M | Buy |
145,934
+63,930
| +78% | +$33.4M | 0.09% | 213 |
|
|
2025
Q1 | $40.6M | Sell |
82,004
-108,165
| -57% | -$59.8M | 0.05% | 326 |
|
|
2024
Q4 | $99.3M | Sell |
190,169
-242,562
| -56% | -$126M | 0.12% | 153 |
|
|
2024
Q3 | $213M | Buy |
432,731
+358,804
| +485% | +$167M | 0.26% | 61 |
|
|
2024
Q2 | $32.9M | Sell |
73,927
-580,213
| -89% | -$231M | 0.04% | 352 |
|
|
2024
Q1 | $261M | Sell |
654,140
-460,411
| -41% | -$174M | 0.4% | 36 |
|
|
2023
Q4 | $376M | Buy |
1,114,551
+329,478
| +42% | +$98.2M | 0.64% | 23 |
|
|
2023
Q3 | $229M | Sell |
785,073
-631,287
| -45% | -$197M | 0.46% | 31 |
|
|
2023
Q2 | $484M | Buy |
1,416,360
+391,922
| +38% | +$119M | 0.95% | 10 |
|
|
2023
Q1 | $262M | Buy |
1,024,438
+795,694
| +348% | +$196M | 0.56% | 25 |
|
|
2022
Q4 | $60.7M | Buy |
228,744
+174,411
| +321% | +$42.5M | 0.14% | 164 |
|
|
2022
Q3 | $10.2M | Sell |
54,333
-301,760
| -85% | -$64.8M | 0.02% | 870 |
|
|
2022
Q2 | $71.5M | Buy |
356,093
+321,673
| +935% | +$75.5M | 0.15% | 142 |
|
|
2022
Q1 | $10.4M | Sell |
34,420
-739,775
| -96% | -$216M | 0.02% | 851 |
|
|
2021
Q4 | $278M | Buy |
774,195
+742,260
| +2,324% | +$255M | 0.51% | 26 |
|
|
2021
Q3 | $10.6M | Sell |
31,935
-17,181
| -35% | -$5.77M | 0.04% | 523 |
|
|
2021
Q2 | $15.1M | Buy |
49,116
+552
| +1% | +$155K | 0.07% | 318 |
|
|
2021
Q1 | $12M | Buy |
48,564
+37,413
| +336% | +$9.41M | 0.05% | 368 |
|
|
2020
Q4 | $3.04M | Buy |
11,151
+8,712
| +357% | +$2.16M | 0.02% | 773 |
|
|
2020
Q3 | $577K | Sell |
2,439
-16,005
| -87% | -$3.59M | ﹤0.01% | 1192 |
|
|
2020
Q2 | $3.5M | Buy |
+18,444
| New | +$3.31M | 0.02% | 588 |
|
|
2019
Q4 | – | Sell |
-27,375
| Closed | -$4.93M | – | 1886 |
|
|
2019
Q3 | $4.93M | Sell |
27,375
-2,934
| -10% | -$507K | 0.04% | 511 |
|
|
2019
Q2 | $5.3M | Sell |
30,309
-50,958
| -63% | -$8.73M | 0.04% | 465 |
|
|
2019
Q1 | $15.5M | Sell |
81,267
-24,669
| -23% | -$4.38M | 0.15% | 174 |
|
|
2018
Q4 | $16.9M | Sell |
105,936
-34,854
| -25% | -$5.91M | 0.17% | 134 |
|
|
2018
Q3 | $26.9M | Sell |
140,790
-19,662
| -12% | -$3.49M | 0.23% | 117 |
|
|
2018
Q2 | $25.6M | Buy |
160,452
+145,881
| +1,001% | +$22.2M | 0.38% | 73 |
|
|
2018
Q1 | $2M | Buy |
+14,571
| New | +$2.03M | 0.08% | 191 |
|
|
2017
Q1 | – | Sell |
-45,963
| Closed | -$3.24M | – | 525 |
|
|
2016
Q4 | $3.24M | Buy |
45,963
+8,172
| +22% | +$601K | 0.02% | 559 |
|
|
2016
Q3 | $3.04M | Buy |
37,791
+10,422
| +38% | +$798K | 0.02% | 510 |
|
|
2016
Q2 | $2.01M | Sell |
27,369
-53,127
| -66% | -$3.74M | 0.02% | 585 |
|
|
2016
Q1 | $5.38M | Sell |
80,496
-2,286
| -3% | -$142K | 0.05% | 329 |
|
|
2015
Q4 | $5.02M | Sell |
82,782
-414,567
| -83% | -$23.3M | 0.05% | 380 |
|
|
2015
Q3 | $25.4M | Buy |
+497,349
| New | +$28.2M | 0.31% | 84 |
|
Other funds holding ISRG
VCM
VPM
Marshall Wace's ISRG Position: Q1 2026 in Review
Marshall Wace increased its Intuitive Surgical (ISRG) stake by 14% in Q1 2026, buying an estimated $20.5M and bringing the position to 319,997 shares worth $148M. The position accounts for 0.15% of the portfolio, ranked #104.
Marshall Wace first reported a position in ISRG in Q3 2015 and has held it in 37 quarters since. The position peaked at $484M in Q2 2023. 2,303 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.
- Marshall Wace held 319,997 shares of Intuitive Surgical worth $148M as of Q1 2026.
- Marshall Wace bought 40,467 Intuitive Surgical shares in Q1 2026, an estimated $20.5M.
- Intuitive Surgical made up 0.15% of Marshall Wace's portfolio in Q1 2026, its #104 holding.
- Marshall Wace first reported a position in Intuitive Surgical in Q3 2015 and has held it in 37 quarters since.
- Marshall Wace's Intuitive Surgical position peaked at $484M in Q2 2023.
- 2,303 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.