Citadel 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
$270M Buy
585,700
+43,700
+8% +$22.1M 0.04% 335
2025
Q4
$307M Buy
542,000
+197,200
+57% +$105M 0.05% 332
2025
Q3
$154M Sell
344,800
-172,600
-33% -$82.8M 0.02% 605
2025
Q2
$281M Buy
517,400
+4,200
+0.8% +$2.2M 0.05% 295
2025
Q1
$254M Buy
513,200
+106,700
+26% +$59M 0.05% 294
2024
Q4
$212M Buy
406,500
+42,300
+12% +$22M 0.04% 390
2024
Q3
$179M Sell
364,200
-42,800
-11% -$19.9M 0.03% 404
2024
Q2
$181M Sell
407,000
-9,500
-2% -$3.78M 0.04% 382
2024
Q1
$166M Sell
416,500
-49,000
-11% -$18.5M 0.03% 444
2023
Q4
$157M Buy
465,500
+144,900
+45% +$43.2M 0.03% 451
2023
Q3
$93.7M Buy
320,600
+34,400
+12% +$10.7M 0.02% 663
2023
Q2
$97.9M Sell
286,200
-86,400
-23% -$26.1M 0.02% 624
2023
Q1
$95.2M Sell
372,600
-578,800
-61% -$143M 0.02% 638
2022
Q4
$252M Sell
951,400
-111,600
-10% -$27.2M 0.06% 259
2022
Q3
$199M Sell
1,063,000
-265,300
-20% -$57M 0.05% 304
2022
Q2
$267M Buy
1,328,300
+451,100
+51% +$106M 0.07% 198
2022
Q1
$265M Buy
877,200
+11,400
+1% +$3.33M 0.05% 245
2021
Q4
$311M Sell
865,800
-262,200
-23% -$90.2M 0.06% 198
2021
Q3
$374M Buy
1,128,000
+178,200
+19% +$59.8M 0.08% 167
2021
Q2
$291M Sell
949,800
-246,000
-21% -$69M 0.07% 206
2021
Q1
$295M Buy
1,195,800
+212,100
+22% +$53.4M 0.07% 181
2020
Q4
$268M Sell
983,700
-127,200
-11% -$31.6M 0.07% 175
2020
Q3
$263M Sell
1,110,900
-78,300
-7% -$17.6M 0.07% 136
2020
Q2
$226M Buy
1,189,200
+424,500
+56% +$76.1M 0.08% 150
2020
Q1
$126M Sell
764,700
-45,600
-6% -$8.35M 0.06% 257
2019
Q4
$160M Sell
810,300
-560,700
-41% -$105M 0.07% 232
2019
Q3
$247M Buy
1,371,000
+313,200
+30% +$54.2M 0.12% 115
2019
Q2
$185M Buy
1,057,800
+268,500
+34% +$46M 0.08% 181
2019
Q1
$150M Sell
789,300
-740,700
-48% -$132M 0.07% 223
2018
Q4
$244M Buy
1,530,000
+392,700
+35% +$66.5M 0.13% 90
2018
Q3
$218M Buy
1,137,300
+59,100
+5% +$10.5M 0.1% 146
2018
Q2
$172M Buy
1,078,200
+133,200
+14% +$20.3M 0.08% 192
2018
Q1
$130M Sell
945,000
-252,600
-21% -$35.3M 0.07% 226
2017
Q4
$146M Sell
1,197,600
-123,600
-9% -$15.5M 0.09% 208
2017
Q3
$154M Buy
1,321,200
+365,400
+38% +$39.8M 0.12% 137
2017
Q2
$99.3M Buy
955,800
+175,500
+22% +$16.9M 0.08% 232
2017
Q1
$66.5M Sell
780,300
-306,900
-28% -$24.2M 0.06% 330
2016
Q4
$76.6M Buy
1,087,200
+300,600
+38% +$22.1M 0.08% 232
2016
Q3
$63.4M Buy
786,600
+9,900
+1% +$758K 0.06% 294
2016
Q2
$57.1M Sell
776,700
-162,900
-17% -$11.5M 0.06% 287
2016
Q1
$62.8M Sell
939,600
-164,700
-15% -$10.2M 0.08% 227
2015
Q4
$67M Sell
1,104,300
-99,900
-8% -$5.61M 0.07% 290
2015
Q3
$61.5M Sell
1,204,200
-96,300
-7% -$5.45M 0.06% 346
2015
Q2
$70M Buy
1,300,500
+89,100
+7% +$4.98M 0.06% 355
2015
Q1
$68M Buy
1,211,400
+13,500
+1% +$764K 0.06% 355
2014
Q4
$70.4M Sell
1,197,900
-168,300
-12% -$9.37M 0.07% 320
2014
Q3
$70.1M Buy
1,366,200
+330,300
+32% +$16.4M 0.07% 288
2014
Q2
$47.4M Sell
1,035,900
-230,400
-18% -$10.2M 0.05% 398
2014
Q1
$61.6M Sell
1,266,300
-150,300
-11% -$7.08M 0.07% 316
2013
Q4
$60.5M Buy
1,416,600
+160,200
+13% +$6.74M 0.08% 286
2013
Q3
$52.5M Buy
1,256,400
+110,700
+10% +$4.89M 0.08% 296
2013
Q2
$64.5M Buy
+1,145,700
New +$63.1M 0.11% 196

Other funds holding ISRG

Citadel Advisors's ISRG Position: Q1 2026 in Review

Citadel Advisors increased its Intuitive Surgical (ISRG) stake by 30% in Q1 2026, buying an estimated $160M and bringing the position to 1,356,011 shares worth $625M. The position accounts for 0.1% of the portfolio, ranked #140.

Citadel Advisors first reported a position in ISRG in Q2 2013 and has held it in 49 quarters since. The position peaked at $664M in Q2 2023. 2,302 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.

  • Citadel Advisors held 1,356,011 shares of Intuitive Surgical worth $625M as of Q1 2026.
  • Citadel Advisors bought 315,444 Intuitive Surgical shares in Q1 2026, an estimated $160M.
  • Intuitive Surgical made up 0.1% of Citadel Advisors's portfolio in Q1 2026, its #140 holding.
  • Citadel Advisors first reported a position in Intuitive Surgical in Q2 2013 and has held it in 49 quarters since.
  • Citadel Advisors's Intuitive Surgical position peaked at $664M in Q2 2023.
  • 2,302 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.