California State Teachers Retirement System (CalSTRS)’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
$249M Sell
539,288
-17,549
-3% -$8.88M 0.26% 64
2025
Q4
$315M Sell
556,837
-10,379
-2% -$5.53M 0.32% 50
2025
Q3
$254M Buy
567,216
+6,436
+1% +$3.09M 0.26% 65
2025
Q2
$305M Buy
560,780
+10,074
+2% +$5.27M 0.34% 44
2025
Q1
$273M Sell
550,706
-2,324
-0.4% -$1.29M 0.34% 45
2024
Q4
$289M Sell
553,030
-14,173
-2% -$7.38M 0.34% 42
2024
Q3
$279M Sell
567,203
-3,749
-0.7% -$1.75M 0.33% 50
2024
Q2
$254M Buy
570,952
+2,596
+0.5% +$1.03M 0.31% 54
2024
Q1
$227M Buy
568,356
+4,030
+0.7% +$1.52M 0.29% 59
2023
Q4
$190M Buy
564,326
+7,779
+1% +$2.32M 0.26% 70
2023
Q3
$163M Sell
556,547
-21,672
-4% -$6.77M 0.25% 76
2023
Q2
$198M Sell
578,219
-18,232
-3% -$5.52M 0.28% 66
2023
Q1
$152M Sell
596,451
-10,159
-2% -$2.5M 0.23% 89
2022
Q4
$161M Buy
606,610
+3,725
+0.6% +$908K 0.25% 82
2022
Q3
$113M Sell
602,885
-5,128
-0.8% -$1.1M 0.19% 102
2022
Q2
$122M Buy
608,013
+3,055
+0.5% +$717K 0.19% 99
2022
Q1
$183M Sell
604,958
-35,680
-6% -$10.4M 0.24% 81
2021
Q4
$230M Buy
640,638
+21,600
+3% +$7.43M 0.27% 70
2021
Q3
$205M Sell
619,038
-17,175
-3% -$5.77M 0.26% 73
2021
Q2
$195M Sell
636,213
-22,674
-3% -$6.36M 0.24% 77
2021
Q1
$162M Buy
658,887
+2,589
+0.4% +$651K 0.21% 85
2020
Q4
$179M Buy
656,298
+19,020
+3% +$4.72M 0.25% 70
2020
Q3
$151M Buy
637,278
+5,553
+0.9% +$1.25M 0.24% 73
2020
Q2
$120M Buy
631,725
+6,540
+1% +$1.17M 0.21% 83
2020
Q1
$103M Sell
625,185
-1,944
-0.3% -$356K 0.22% 90
2019
Q4
$124M Buy
627,129
+47,952
+8% +$8.98M 0.21% 90
2019
Q3
$104M Buy
579,177
+7,473
+1% +$1.29M 0.2% 91
2019
Q2
$100M Buy
571,704
+7,356
+1% +$1.26M 0.2% 91
2019
Q1
$107M Buy
564,348
+8,439
+2% +$1.5M 0.22% 86
2018
Q4
$88.7M Buy
555,909
+13,800
+3% +$2.34M 0.2% 90
2018
Q3
$104M Sell
542,109
-264
-0% -$46.9K 0.2% 89
2018
Q2
$86.5M Buy
542,373
+9,531
+2% +$1.45M 0.18% 109
2018
Q1
$73.3M Sell
532,842
-64,896
-11% -$9.06M 0.16% 128
2017
Q4
$72.7M Buy
597,738
+44,022
+8% +$5.51M 0.15% 134
2017
Q3
$64.3M Sell
553,716
-53,703
-9% -$5.85M 0.14% 146
2017
Q2
$63.1M Sell
607,419
-68,517
-10% -$6.58M 0.13% 154
2017
Q1
$57.6M Sell
675,936
-31,500
-4% -$2.49M 0.12% 172
2016
Q4
$49.8M Sell
707,436
-18,900
-3% -$1.39M 0.1% 195
2016
Q3
$58.5M Buy
726,336
+5,400
+0.7% +$413K 0.12% 168
2016
Q2
$53M Buy
720,936
+16,380
+2% +$1.15M 0.11% 184
2016
Q1
$47.1M Buy
704,556
+90,234
+15% +$5.59M 0.1% 202
2015
Q4
$37.3M Buy
614,322
+9,378
+2% +$527K 0.09% 216
2015
Q3
$30.9M Sell
604,944
-900
-0.1% -$51K 0.08% 242
2015
Q2
$32.6M Buy
605,844
+12,456
+2% +$697K 0.08% 248
2015
Q1
$33.3M Sell
593,388
-10,782
-2% -$610K 0.08% 255
2014
Q4
$35.5M Buy
604,170
+5,265
+0.9% +$293K 0.08% 243
2014
Q3
$30.7M Sell
598,905
-31,896
-5% -$1.58M 0.08% 255
2014
Q2
$28.9M Buy
630,801
+7,200
+1% +$318K 0.07% 269
2014
Q1
$30.3M Buy
623,601
+3,600
+0.6% +$170K 0.08% 241
2013
Q4
$26.5M Sell
620,001
-29,700
-5% -$1.25M 0.07% 278
2013
Q3
$27.2M Buy
649,701
+19,845
+3% +$876K 0.08% 244
2013
Q2
$35.5M Buy
+629,856
New +$34.7M 0.12% 173

Other funds holding ISRG

California State Teachers Retirement System (CalSTRS)'s ISRG Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Intuitive Surgical (ISRG) stake by 3.2% in Q1 2026, selling an estimated $8.88M and leaving 539,288 shares worth $249M. The position accounts for 0.26% of the portfolio, ranked #64.

California State Teachers Retirement System (CalSTRS) first reported a position in ISRG in Q2 2013 and has held it in 52 quarters since. The position peaked at $315M in Q4 2025. 2,304 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 539,288 shares of Intuitive Surgical worth $249M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 17,549 Intuitive Surgical shares in Q1 2026, an estimated $8.88M.
  • Intuitive Surgical made up 0.26% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #64 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Intuitive Surgical in Q2 2013 and has held it in 52 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Intuitive Surgical position peaked at $315M in Q4 2025.
  • 2,304 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.