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 | $406K | Sell |
900
-42,600
| -98% | -$21.6M | ﹤0.01% | 1085 |
|
|
2025
Q4 | $24.6M | Buy |
43,500
+16,700
| +62% | +$8.89M | 0.05% | 260 |
|
|
2025
Q3 | $12M | Sell |
26,800
-35,300
| -57% | -$16.9M | 0.02% | 416 |
|
|
2025
Q2 | $33.7M | Buy |
62,100
+23,500
| +61% | +$12.3M | 0.08% | 189 |
|
|
2025
Q1 | $19.1M | Sell |
38,600
-114,500
| -75% | -$63.3M | 0.05% | 279 |
|
|
2024
Q4 | $79.9M | Sell |
153,100
-27,400
| -15% | -$14.3M | 0.16% | 102 |
|
|
2024
Q3 | $88.7M | Buy |
180,500
+174,500
| +2,908% | +$81.2M | 0.16% | 102 |
|
|
2024
Q2 | $2.67M | Sell |
6,000
-7,700
| -56% | -$3.07M | 0.01% | 939 |
|
|
2024
Q1 | $5.47M | Sell |
13,700
-54,800
| -80% | -$20.7M | 0.01% | 706 |
|
|
2023
Q4 | $23.1M | Sell |
68,500
-18,800
| -22% | -$5.6M | 0.05% | 352 |
|
|
2023
Q3 | $25.5M | Buy |
87,300
+78,100
| +849% | +$24.4M | 0.06% | 263 |
|
|
2023
Q2 | $3.15M | Sell |
9,200
-39,800
| -81% | -$12M | 0.01% | 956 |
|
|
2023
Q1 | $12.5M | Buy |
49,000
+4,600
| +10% | +$1.13M | 0.03% | 508 |
|
|
2022
Q4 | $11.8M | Buy |
44,400
+8,400
| +23% | +$2.05M | 0.02% | 718 |
|
|
2022
Q3 | $6.75M | Buy |
36,000
+27,400
| +319% | +$5.88M | 0.01% | 899 |
|
|
2022
Q2 | $1.73M | Sell |
8,600
-32,600
| -79% | -$7.65M | ﹤0.01% | 1419 |
|
|
2022
Q1 | $12.4M | Sell |
41,200
-142,800
| -78% | -$41.7M | 0.01% | 665 |
|
|
2021
Q4 | $66.1M | Sell |
184,000
-16,400
| -8% | -$5.64M | 0.08% | 186 |
|
|
2021
Q3 | $66.4M | Buy |
+200,400
| New | +$67.3M | 0.06% | 201 |
|
|
2021
Q1 | – | Sell |
-245,400
| Closed | -$66.9M | – | 1636 |
|
|
2020
Q4 | $66.9M | Sell |
245,400
-288,300
| -54% | -$71.6M | 0.07% | 236 |
|
|
2020
Q3 | $126M | Buy |
533,700
+163,500
| +44% | +$36.7M | 0.09% | 188 |
|
|
2020
Q2 | $70.3M | Sell |
370,200
-74,100
| -17% | -$13.3M | 0.08% | 186 |
|
|
2020
Q1 | $73.4M | Buy |
444,300
+345,900
| +352% | +$63.4M | 0.09% | 152 |
|
|
2019
Q4 | $19.4M | Buy |
+98,400
| New | +$18.4M | 0.02% | 436 |
|
|
2019
Q1 | – | Sell |
-57,600
| Closed | -$9.2M | – | 3399 |
|
|
2018
Q4 | $9.2M | Sell |
57,600
-51,300
| -47% | -$8.69M | 0.01% | 534 |
|
|
2018
Q3 | $20.8M | Buy |
+108,900
| New | +$19.3M | 0.03% | 284 |
|
|
2015
Q3 | – | Sell |
-131,400
| Closed | -$7.07M | – | 3496 |
|
|
2015
Q2 | $7.07M | Sell |
131,400
-847,800
| -87% | -$47.4M | 0.01% | 596 |
|
|
2015
Q1 | $54.9M | Buy |
+979,200
| New | +$55.4M | 0.13% | 119 |
|
|
2014
Q4 | – | Sell |
-956,700
| Closed | -$49.1M | – | 5447 |
|
|
2014
Q3 | $49.1M | Buy |
+956,700
| New | +$47.5M | 0.16% | 123 |
|
|
2014
Q1 | – | Sell |
-94,500
| Closed | -$4.03M | – | 3523 |
|
|
2013
Q4 | $4.03M | Sell |
94,500
-46,800
| -33% | -$1.97M | 0.02% | 482 |
|
|
2013
Q3 | $5.9M | Buy |
141,300
+34,200
| +32% | +$1.51M | 0.03% | 335 |
|
|
2013
Q2 | $6.02M | Buy |
+107,100
| New | +$5.9M | 0.03% | 370 |
|
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.