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Main Street Research’s Intuitive Surgical ISRG Stock Holding History

Main Street Research’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
Q2 		– Sell
-839
Closed -$387K – 154
2026
Q1 		$387K Buy
839
+331
+65% +$167K 0.02% 98
2025
Q4 		$288K Buy
+508
New +$270K 0.02% 105
2025
Q3 		– Sell
-59,513
Closed -$32.3M – 132
2025
Q2 		$32.3M Sell
59,513
-20,725
-26% -$10.8M 2.01% 27
2025
Q1 		$39.7M Buy
80,238
+707
+0.9% +$391K 2.6% 16
2024
Q4 		$41.5M Buy
79,531
+1,482
+2% +$772K 2.59% 15
2024
Q3 		$38.3M Buy
78,049
+1,730
+2% +$805K 2.41% 15
2024
Q2 		$34M Buy
76,319
+2,360
+3% +$940K 2.24% 18
2024
Q1 		$29.5M Buy
73,959
+827
+1% +$312K 2.01% 22
2023
Q4 		$24.7M Buy
73,132
+35,935
+97% +$10.7M 1.98% 27
2023
Q3 		$10.9M Buy
+37,197
New +$11.6M 1.12% 37
2021
Q4 		– Sell
-1,638
Closed -$543K – 146
2021
Q3 		$543K Buy
+1,638
New +$550K 0.05% 77
2018
Q4 		– Sell
-89,352
Closed -$17.1M – 92
2018
Q3 		$17.1M Buy
89,352
+87,741
+5,446% +$15.6M 2.45% 14
2018
Q2 		$257K Hold
1,611
– – 0.04% 96
2018
Q1 		$222K Sell
1,611
-216
-12% -$30.1K 0.04% 104
2017
Q4 		$222K Sell
1,827
-270
-13% -$33.8K 0.03% 102
2017
Q3 		$244K Hold
2,097
– – 0.04% 102
2017
Q2 		$218K Buy
+2,097
New +$202K 0.04% 116
2014
Q2 		– Sell
-35,325
Closed -$1.72M – 141
2014
Q1 		$1.72M Sell
35,325
-1,098
-3% -$51.7K 0.42% 72
2013
Q4 		$1.55M Sell
36,423
-5,355
-13% -$225K 0.39% 75
2013
Q3 		$1.75M Buy
41,778
+405
+1% +$17.9K 0.47% 72
2013
Q2 		$2.33M Buy
+41,373
New +$2.28M 0.7% 53

Other funds holding ISRG

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
RG
Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return
HAM
Hyperion Asset Management Brisbane, Australia $3.77B AUM 16.13% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
AIM
Alphinity Investment Management Sydney, Australia $6.01B AUM 37.17% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

Main Street Research's ISRG Position: Q2 2026 in Review

Main Street Research sold out of Intuitive Surgical (ISRG) in Q2 2026, closing a stake of 839 shares — an estimated $387K sold.

Main Street Research first reported a position in ISRG in Q2 2013 and held it in 21 quarters. The position peaked at $41.5M in Q4 2024. 894 funds tracked by Wall St. Rank hold ISRG as of Q2 2026.

  • Main Street Research reported no remaining Intuitive Surgical position as of Q2 2026 after selling out during the quarter.
  • Main Street Research sold 839 Intuitive Surgical shares in Q2 2026, an estimated $387K.
  • Main Street Research first reported a position in Intuitive Surgical in Q2 2013 and held it in 21 quarters.
  • Main Street Research's Intuitive Surgical position peaked at $41.5M in Q4 2024.
  • 894 funds tracked by Wall St. Rank held Intuitive Surgical as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.