Calamos Advisors’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 | $76.4M | Buy |
165,835
+30,098
| +22% | +$15.2M | 0.27% | 76 |
|
|
2025
Q4 | $76.9M | Buy |
135,737
+22,597
| +20% | +$12M | 0.29% | 73 |
|
|
2025
Q3 | $50.6M | Sell |
113,140
-13,162
| -10% | -$6.32M | 0.19% | 122 |
|
|
2025
Q2 | $68.6M | Buy |
126,302
+13,138
| +12% | +$6.87M | 0.27% | 80 |
|
|
2025
Q1 | $56M | Buy |
113,164
+944
| +0.8% | +$522K | 0.24% | 92 |
|
|
2024
Q4 | $58.6M | Sell |
112,220
-3,252
| -3% | -$1.69M | 0.25% | 82 |
|
|
2024
Q3 | $56.7M | Sell |
115,472
-8,928
| -7% | -$4.16M | 0.25% | 94 |
|
|
2024
Q2 | $55.3M | Sell |
124,400
-3,156
| -2% | -$1.26M | 0.25% | 89 |
|
|
2024
Q1 | $50.9M | Buy |
127,556
+4,448
| +4% | +$1.68M | 0.24% | 103 |
|
|
2023
Q4 | $41.5M | Buy |
123,108
+31,249
| +34% | +$9.32M | 0.2% | 132 |
|
|
2023
Q3 | $26.8M | Buy |
91,859
+71
| +0.1% | +$22.2K | 0.14% | 190 |
|
|
2023
Q2 | $31.4M | Hold |
91,788
| – | – | 0.16% | 174 |
|
|
2023
Q1 | $23.4M | Sell |
91,788
-11,518
| -11% | -$2.84M | 0.11% | 221 |
|
|
2022
Q4 | $27.4M | Sell |
103,306
-18,258
| -15% | -$4.45M | 0.13% | 204 |
|
|
2022
Q3 | $22.8M | Sell |
121,564
-31,492
| -21% | -$6.76M | 0.1% | 228 |
|
|
2022
Q2 | $30.7M | Buy |
153,056
+3,293
| +2% | +$773K | 0.13% | 186 |
|
|
2022
Q1 | $45.2M | Buy |
149,763
+15,716
| +12% | +$4.59M | 0.17% | 145 |
|
|
2021
Q4 | $48.2M | Buy |
134,047
+3,928
| +3% | +$1.35M | 0.18% | 133 |
|
|
2021
Q3 | $43.1M | Buy |
130,119
+8,694
| +7% | +$2.92M | 0.19% | 130 |
|
|
2021
Q2 | $37.2M | Buy |
121,425
+20,517
| +20% | +$5.76M | 0.17% | 157 |
|
|
2021
Q1 | $24.9M | Sell |
100,908
-330
| -0.3% | -$83K | 0.14% | 170 |
|
|
2020
Q4 | $27.6M | Sell |
101,238
-3,036
| -3% | -$754K | 0.16% | 160 |
|
|
2020
Q3 | $24.7M | Sell |
104,274
-35,826
| -26% | -$8.04M | 0.16% | 160 |
|
|
2020
Q2 | $26.6M | Sell |
140,100
-19,374
| -12% | -$3.47M | 0.19% | 147 |
|
|
2020
Q1 | $26.3M | Sell |
159,474
-53,964
| -25% | -$9.88M | 0.21% | 145 |
|
|
2019
Q4 | $42.1M | Sell |
213,438
-1,608
| -0.7% | -$301K | 0.21% | 137 |
|
|
2019
Q3 | $38.7M | Buy |
215,046
+6,726
| +3% | +$1.16M | 0.21% | 140 |
|
|
2019
Q2 | $36.4M | Buy |
208,320
+38,598
| +23% | +$6.61M | 0.2% | 147 |
|
|
2019
Q1 | $32.3M | Buy |
169,722
+33,078
| +24% | +$5.88M | 0.2% | 162 |
|
|
2018
Q4 | $21.8M | Buy |
136,644
+103,722
| +315% | +$17.6M | 0.14% | 199 |
|
|
2018
Q3 | $6.3M | Buy |
+32,922
| New | +$5.85M | 0.03% | 410 |
|
|
2016
Q4 | – | Sell |
-593,343
| Closed | -$47.8M | – | 655 |
|
|
2016
Q3 | $47.8M | Buy |
593,343
+115,713
| +24% | +$8.86M | 0.34% | 81 |
|
|
2016
Q2 | $35.1M | Buy |
+477,630
| New | +$33.6M | 0.25% | 131 |
|
|
2013
Q3 | – | Sell |
-766,863
| Closed | -$43.2M | – | 613 |
|
|
2013
Q2 | $43.2M | Buy |
+766,863
| New | +$42.2M | 0.28% | 98 |
|
Other funds holding ISRG
VCM
VPM
Calamos Advisors's ISRG Position: Q1 2026 in Review
Calamos Advisors increased its Intuitive Surgical (ISRG) stake by 22% in Q1 2026, buying an estimated $15.2M and bringing the position to 165,835 shares worth $76.4M. The position accounts for 0.27% of the portfolio, ranked #76.
Calamos Advisors first reported a position in ISRG in Q2 2013 and has held it in 34 quarters since. The position peaked at $76.9M in Q4 2025. 2,303 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.
- Calamos Advisors held 165,835 shares of Intuitive Surgical worth $76.4M as of Q1 2026.
- Calamos Advisors bought 30,098 Intuitive Surgical shares in Q1 2026, an estimated $15.2M.
- Intuitive Surgical made up 0.27% of Calamos Advisors's portfolio in Q1 2026, its #76 holding.
- Calamos Advisors first reported a position in Intuitive Surgical in Q2 2013 and has held it in 34 quarters since.
- Calamos Advisors's Intuitive Surgical position peaked at $76.9M in Q4 2025.
- 2,303 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.
Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.