Mariner
ISRG icon

Mariner’s Intuitive Surgical ISRG Stock Holding History

Mariner’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 		$68.8M Buy
149,353
+17,224
+13% +$8.71M 0.08% 201
2025
Q4 		$74.9M Buy
132,129
+31,784
+32% +$16.9M 0.09% 187
2025
Q3 		$44.9M Sell
100,345
-5,555
-5% -$2.67M 0.06% 265
2025
Q2 		$57.5M Buy
105,900
+11,415
+12% +$5.97M 0.08% 212
2025
Q1 		$46.8M Buy
94,485
+5,363
+6% +$2.97M 0.08% 231
2024
Q4 		$46.5M Buy
89,122
+4,327
+5% +$2.25M 0.08% 222
2024
Q3 		$41.6M Buy
84,795
+3,576
+4% +$1.66M 0.07% 236
2024
Q2 		$36.1M Buy
81,219
+16,556
+26% +$6.59M 0.07% 235
2024
Q1 		$25.8M Buy
64,663
+1,841
+3% +$696K 0.05% 278
2023
Q4 		$21.2M Buy
62,822
+13,678
+28% +$4.08M 0.05% 299
2023
Q3 		$14.4M Buy
49,144
+2,161
+5% +$675K 0.04% 353
2023
Q2 		$16.1M Buy
46,983
+7,314
+18% +$2.21M 0.04% 329
2023
Q1 		$10.1M Sell
39,669
-2,373
-6% -$585K 0.03% 433
2022
Q4 		$11.2M Buy
42,042
+4,575
+12% +$1.12M 0.04% 386
2022
Q3 		$7.02M Buy
37,467
+13,694
+58% +$2.94M 0.03% 422
2022
Q2 		$4.77M Sell
23,773
-10,272
-30% -$2.41M 0.02% 506
2022
Q1 		$10.3M Buy
34,045
+9,954
+41% +$2.91M 0.04% 335
2021
Q4 		$8.66M Buy
+24,091
New +$8.29M 0.04% 329
2019
Q3 		– Sell
-2,910
Closed -$509K – 859
2019
Q2 		$509K Buy
2,910
+399
+16% +$68.4K 0.01% 719
2019
Q1 		$478K Buy
2,511
+1,011
+67% +$180K 0.01% 675
2018
Q4 		$239K Buy
1,500
+132
+10% +$22.4K ﹤0.01% 730
2018
Q3 		$262K Sell
1,368
-69
-5% -$12.3K 0.01% 687
2018
Q2 		$229K Buy
+1,437
New +$219K 0.01% 714

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

Mariner's ISRG Position: Q1 2026 in Review

Mariner increased its Intuitive Surgical (ISRG) stake by 13% in Q1 2026, buying an estimated $8.71M and bringing the position to 149,353 shares worth $68.8M. The position accounts for 0.08% of the portfolio, ranked #201.

Mariner first reported a position in ISRG in Q2 2018 and has held it in 23 quarters since. The position peaked at $74.9M in Q4 2025. 2,302 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.

  • Mariner held 149,353 shares of Intuitive Surgical worth $68.8M as of Q1 2026.
  • Mariner bought 17,224 Intuitive Surgical shares in Q1 2026, an estimated $8.71M.
  • Intuitive Surgical made up 0.08% of Mariner's portfolio in Q1 2026, its #201 holding.
  • Mariner first reported a position in Intuitive Surgical in Q2 2018 and has held it in 23 quarters since.
  • Mariner's Intuitive Surgical position peaked at $74.9M in Q4 2025.
  • 2,302 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.