TRCT
ISRG icon

Tower Research Capital (TRC)’s Intuitive Surgical ISRG Stock Holding History

Tower Research Capital (TRC)’s Portfolio ISRG Stock Details ISRG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.2M Sell
15,627
-9,872
-39% -$4.99M 0.19% 95
2025
Q4 		$14.4M Buy
25,499
+17,051
+202% +$9.08M 0.35% 40
2025
Q3 		$3.78M Buy
8,448
+2,151
+34% +$1.03M 0.1% 164
2025
Q2 		$3.42M Sell
6,297
-13,856
-69% -$7.24M 0.09% 201
2025
Q1 		$9.83M Sell
20,153
-9,630
-32% -$5.33M 0.29% 47
2024
Q4 		$15.5M Buy
29,783
+16,436
+123% +$8.56M 0.31% 49
2024
Q3 		$6.56M Sell
13,347
-29,637
-69% -$13.8M 0.17% 77
2024
Q2 		$19.1M Buy
42,984
+12,674
+42% +$5.05M 0.32% 35
2024
Q1 		$12.1M Sell
30,310
-28,543
-48% -$10.8M 0.29% 55
2023
Q4 		$19.9M Buy
58,853
+34,402
+141% +$10.3M 0.25% 70
2023
Q3 		$7.15M Buy
24,451
+15,017
+159% +$4.69M 0.22% 70
2023
Q2 		$3.23M Buy
9,434
+3,236
+52% +$979K 0.11% 127
2023
Q1 		$1.58M Sell
6,198
-4,783
-44% -$1.18M 0.05% 253
2022
Q4 		$2.91M Sell
10,981
-79,803
-88% -$19.5M 0.12% 118
2022
Q3 		$17M Buy
90,784
+53,943
+146% +$11.6M 0.28% 60
2022
Q2 		$7.39M Sell
36,841
-74,273
-67% -$17.4M 0.17% 99
2022
Q1 		$33.5M Buy
111,114
+62,302
+128% +$18.2M 0.32% 51
2021
Q4 		$17.5M Buy
48,812
+29,387
+151% +$10.1M 0.3% 51
2021
Q3 		$6.44M Sell
19,425
-4,845
-20% -$1.63M 0.16% 79
2021
Q2 		$7.44M Sell
24,270
-17,094
-41% -$4.8M 0.19% 74
2021
Q1 		$10.2M Buy
41,364
+31,185
+306% +$7.85M 0.17% 102
2020
Q4 		$2.78M Sell
10,179
-8,337
-45% -$2.07M 0.08% 156
2020
Q3 		$4.38M Buy
18,516
+10,461
+130% +$2.35M 0.05% 101
2020
Q2 		$1.53M Buy
8,055
+7,929
+6,293% +$1.42M 0.06% 321
2020
Q1 		$21K Sell
126
-540
-81% -$98.9K ﹤0.01% 1689
2019
Q4 		$131K Sell
666
-6,612
-91% -$1.24M 0.01% 799
2019
Q3 		$1.31M Buy
7,278
+2,430
+50% +$420K 0.09% 208
2019
Q2 		$848K Sell
4,848
-54
-1% -$9.25K 0.06% 308
2019
Q1 		$932K Buy
4,902
+117
+2% +$20.8K 0.06% 310
2018
Q4 		$764K Buy
4,785
+4,341
+978% +$736K 0.06% 321
2018
Q3 		$85K Sell
444
-747
-63% -$133K 0.01% 1448
2018
Q2 		$190K Buy
1,191
+1,179
+9,825% +$180K 0.01% 1092
2018
Q1 		$2K Sell
12
-5,643
-100% -$788K ﹤0.01% 2947
2017
Q4 		$688K Buy
5,655
+5,205
+1,157% +$651K 0.09% 228
2017
Q3 		$52K Sell
450
-6,921
-94% -$754K ﹤0.01% 1928
2017
Q2 		$766K Buy
7,371
+4,050
+122% +$389K 0.09% 169
2017
Q1 		$283K Sell
3,321
-2,421
-42% -$191K 0.03% 227
2016
Q4 		$405K Buy
+5,742
New +$422K 0.04% 405
2016
Q3 		– Sell
-522
Closed -$38K – 4024
2016
Q2 		$38K Sell
522
-144
-22% -$10.1K ﹤0.01% 1746
2016
Q1 		$44K Buy
+666
New +$41.3K 0.01% 845
2015
Q2 		– Sell
-8,460
Closed -$475K – 4703
2015
Q1 		$475K Buy
8,460
+1,701
+25% +$96.3K 0.06% 179
2014
Q4 		$397K Sell
6,759
-3,465
-34% -$193K 0.04% 155
2014
Q3 		$525K Buy
10,224
+7,506
+276% +$373K 0.06% 249
2014
Q2 		$124K Buy
2,718
+1,818
+202% +$80.2K 0.02% 790
2014
Q1 		$44K Buy
+900
New +$42.4K 0.01% 1190

Other funds holding ISRG

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Tower Research Capital (TRC)'s ISRG Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Intuitive Surgical (ISRG) stake by 39% in Q1 2026, selling an estimated $4.99M and leaving 15,627 shares worth $7.2M. The position accounts for 0.19% of the portfolio, ranked #95.

Tower Research Capital (TRC) first reported a position in ISRG in Q1 2014 and has held it in 45 quarters since. The position peaked at $33.5M in Q1 2022. 2,303 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.

  • Tower Research Capital (TRC) held 15,627 shares of Intuitive Surgical worth $7.2M as of Q1 2026.
  • Tower Research Capital (TRC) sold 9,872 Intuitive Surgical shares in Q1 2026, an estimated $4.99M.
  • Intuitive Surgical made up 0.19% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #95 holding.
  • Tower Research Capital (TRC) first reported a position in Intuitive Surgical in Q1 2014 and has held it in 45 quarters since.
  • Tower Research Capital (TRC)'s Intuitive Surgical position peaked at $33.5M in Q1 2022.
  • 2,303 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.