Parallax Volatility Advisers’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 | $245K | Sell |
543
-3,409
| -86% | -$1.72M | ﹤0.01% | 1151 |
|
|
2025
Q4 | $2.24M | Buy |
3,952
+3,950
| +197,500% | +$2.1M | ﹤0.01% | 918 |
|
|
2025
Q3 | $894 | Buy |
+2
| New | +$960 | ﹤0.01% | 1551 |
|
|
2025
Q2 | – | Sell |
-5,235
| Closed | -$2.74M | – | 1684 |
|
|
2025
Q1 | $2.59M | Sell |
5,235
-1,349
| -20% | -$746K | 0.01% | 798 |
|
|
2024
Q4 | $3.44M | Sell |
6,584
-23,781
| -78% | -$12.4M | 0.01% | 973 |
|
|
2024
Q3 | $14.9M | Buy |
30,365
+25,988
| +594% | +$12.1M | 0.03% | 411 |
|
|
2024
Q2 | $1.95M | Buy |
4,377
+1,074
| +33% | +$428K | ﹤0.01% | 1056 |
|
|
2024
Q1 | $1.32M | Buy |
+3,303
| New | +$1.25M | ﹤0.01% | 1160 |
|
|
2023
Q4 | – | Sell |
-12,094
| Closed | -$3.61M | – | 2332 |
|
|
2023
Q3 | $3.53M | Buy |
12,094
+6,573
| +119% | +$2.05M | 0.01% | 894 |
|
|
2023
Q2 | $1.89M | Buy |
5,521
+5,431
| +6,034% | +$1.64M | ﹤0.01% | 1162 |
|
|
2023
Q1 | $23K | Buy |
90
+30
| +50% | +$7.39K | ﹤0.01% | 2316 |
|
|
2022
Q4 | $15.9K | Hold |
60
| – | – | ﹤0.01% | 2509 |
|
|
2022
Q3 | $11K | Buy |
+60
| New | +$12.9K | ﹤0.01% | 2809 |
|
|
2022
Q2 | – | Sell |
-38,582
| Closed | -$9.05M | – | 3074 |
|
|
2022
Q1 | $11.6M | Sell |
38,582
-39,568
| -51% | -$11.6M | 0.01% | 690 |
|
|
2021
Q4 | $28.1M | Sell |
78,150
-5,583
| -7% | -$1.92M | 0.03% | 345 |
|
|
2021
Q3 | $27.7M | Buy |
+83,733
| New | +$28.1M | 0.03% | 375 |
|
|
2021
Q1 | – | Sell |
-3,336
| Closed | -$910K | – | 1635 |
|
|
2020
Q4 | $910K | Sell |
3,336
-34,323
| -91% | -$8.52M | ﹤0.01% | 1467 |
|
|
2020
Q3 | $8.91M | Sell |
37,659
-9,693
| -20% | -$2.18M | 0.01% | 1053 |
|
|
2020
Q2 | $8.99M | Sell |
47,352
-159,483
| -77% | -$28.6M | 0.01% | 841 |
|
|
2020
Q1 | $34.1M | Buy |
206,835
+195,858
| +1,784% | +$35.9M | 0.04% | 269 |
|
|
2019
Q4 | $2.16M | Buy |
+10,977
| New | +$2.06M | ﹤0.01% | 1230 |
|
|
2019
Q1 | – | Sell |
-24,024
| Closed | -$3.83M | – | 3398 |
|
|
2018
Q4 | $3.83M | Sell |
24,024
-24,282
| -50% | -$4.11M | 0.01% | 797 |
|
|
2018
Q3 | $9.24M | Buy |
48,306
+33,498
| +226% | +$5.95M | 0.01% | 502 |
|
|
2018
Q2 | $2.36M | Buy |
+14,808
| New | +$2.26M | ﹤0.01% | 840 |
|
|
2018
Q1 | – | Sell |
-7,818
| Closed | -$951K | – | 3245 |
|
|
2017
Q4 | $951K | Buy |
+7,818
| New | +$978K | ﹤0.01% | 1205 |
|
|
2015
Q3 | – | Sell |
-10,134
| Closed | -$546K | – | 3495 |
|
|
2015
Q2 | $546K | Buy |
+10,134
| New | +$567K | ﹤0.01% | 1587 |
|
|
2015
Q1 | – | Sell |
-4,320
| Closed | -$245K | – | 4935 |
|
|
2014
Q4 | $254K | Sell |
4,320
-208,953
| -98% | -$11.6M | ﹤0.01% | 2640 |
|
|
2014
Q3 | $10.9M | Buy |
+213,273
| New | +$10.6M | 0.03% | 424 |
|
|
2014
Q2 | – | Sell |
-32,940
| Closed | -$1.45M | – | 4163 |
|
|
2014
Q1 | $1.6M | Sell |
32,940
-59,589
| -64% | -$2.81M | 0.01% | 638 |
|
|
2013
Q4 | $3.95M | Sell |
92,529
-41,544
| -31% | -$1.75M | 0.02% | 491 |
|
|
2013
Q3 | $5.61M | Buy |
+134,073
| New | +$5.92M | 0.03% | 346 |
|
Other funds holding ISRG
VCM
VPM
Parallax Volatility Advisers's ISRG Position: Q1 2026 in Review
Parallax Volatility Advisers reduced its Intuitive Surgical (ISRG) stake by 86% in Q1 2026, selling an estimated $1.72M and leaving 543 shares worth $245K. The position accounts for ﹤0.01% of the portfolio, ranked #1151.
Parallax Volatility Advisers first reported a position in ISRG in Q3 2013 and has held it in 31 quarters since. The position peaked at $34.1M in Q1 2020. 2,303 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.
- Parallax Volatility Advisers held 543 shares of Intuitive Surgical worth $245K as of Q1 2026.
- Parallax Volatility Advisers sold 3,409 Intuitive Surgical shares in Q1 2026, an estimated $1.72M.
- Intuitive Surgical made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #1151 holding.
- Parallax Volatility Advisers first reported a position in Intuitive Surgical in Q3 2013 and has held it in 31 quarters since.
- Parallax Volatility Advisers's Intuitive Surgical position peaked at $34.1M in Q1 2020.
- 2,303 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.
Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.