California State Teachers Retirement System (CalSTRS)’s Boston Scientific BSX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $144M | Sell |
2,299,954
-57,751
| -2% | -$4.62M | 0.15% | 112 |
|
|
2025
Q4 | $225M | Sell |
2,357,705
-47,049
| -2% | -$4.61M | 0.22% | 78 |
|
|
2025
Q3 | $235M | Buy |
2,404,754
+28,836
| +1% | +$2.99M | 0.24% | 72 |
|
|
2025
Q2 | $255M | Buy |
2,375,918
+37,356
| +2% | +$3.78M | 0.28% | 59 |
|
|
2025
Q1 | $236M | Sell |
2,338,562
-10,373
| -0.4% | -$1.04M | 0.29% | 59 |
|
|
2024
Q4 | $210M | Sell |
2,348,935
-50,330
| -2% | -$4.43M | 0.25% | 71 |
|
|
2024
Q3 | $201M | Sell |
2,399,265
-2,559
| -0.1% | -$202K | 0.23% | 72 |
|
|
2024
Q2 | $185M | Buy |
2,401,824
+7,676
| +0.3% | +$562K | 0.23% | 79 |
|
|
2024
Q1 | $164M | Buy |
2,394,148
+20,902
| +0.9% | +$1.34M | 0.21% | 96 |
|
|
2023
Q4 | $137M | Buy |
2,373,246
+67,663
| +3% | +$3.61M | 0.19% | 104 |
|
|
2023
Q3 | $122M | Sell |
2,305,583
-79,903
| -3% | -$4.19M | 0.19% | 102 |
|
|
2023
Q2 | $129M | Sell |
2,385,486
-43,853
| -2% | -$2.29M | 0.18% | 101 |
|
|
2023
Q1 | $122M | Sell |
2,429,339
-22,465
| -0.9% | -$1.06M | 0.18% | 104 |
|
|
2022
Q4 | $113M | Buy |
2,451,804
+44,078
| +2% | +$1.91M | 0.18% | 110 |
|
|
2022
Q3 | $93.3M | Sell |
2,407,726
-22,797
| -0.9% | -$915K | 0.16% | 124 |
|
|
2022
Q2 | $90.6M | Buy |
2,430,523
+5,898
| +0.2% | +$240K | 0.14% | 135 |
|
|
2022
Q1 | $107M | Sell |
2,424,625
-140,737
| -5% | -$6.1M | 0.14% | 130 |
|
|
2021
Q4 | $109M | Buy |
2,565,362
+99,446
| +4% | +$4.18M | 0.13% | 142 |
|
|
2021
Q3 | $107M | Sell |
2,465,916
-32,061
| -1% | -$1.42M | 0.14% | 130 |
|
|
2021
Q2 | $107M | Sell |
2,497,977
-111,816
| -4% | -$4.7M | 0.13% | 133 |
|
|
2021
Q1 | $101M | Buy |
2,609,793
+20,383
| +0.8% | +$771K | 0.13% | 133 |
|
|
2020
Q4 | $93.1M | Buy |
2,589,410
+36,154
| +1% | +$1.3M | 0.13% | 137 |
|
|
2020
Q3 | $97.6M | Buy |
2,553,256
+64,382
| +3% | +$2.48M | 0.16% | 118 |
|
|
2020
Q2 | $87.4M | Sell |
2,488,874
-37,425
| -1% | -$1.35M | 0.15% | 123 |
|
|
2020
Q1 | $82.4M | Sell |
2,526,299
-7,392
| -0.3% | -$289K | 0.18% | 108 |
|
|
2019
Q4 | $115M | Buy |
2,533,691
+191,327
| +8% | +$8.01M | 0.19% | 98 |
|
|
2019
Q3 | $95.3M | Buy |
2,342,364
+30,355
| +1% | +$1.29M | 0.19% | 100 |
|
|
2019
Q2 | $99.4M | Buy |
2,312,009
+29,101
| +1% | +$1.12M | 0.2% | 92 |
|
|
2019
Q1 | $87.6M | Sell |
2,282,908
-3,001
| -0.1% | -$115K | 0.18% | 101 |
|
|
2018
Q4 | $80.8M | Buy |
2,285,909
+37,091
| +2% | +$1.35M | 0.18% | 104 |
|
|
2018
Q3 | $86.6M | Sell |
2,248,818
-2,815
| -0.1% | -$98.3K | 0.17% | 113 |
|
|
2018
Q2 | $73.6M | Buy |
2,251,633
+61,103
| +3% | +$1.84M | 0.15% | 127 |
|
|
2018
Q1 | $59.8M | Sell |
2,190,530
-74,746
| -3% | -$2.03M | 0.13% | 158 |
|
|
2017
Q4 | $56.2M | Sell |
2,265,276
-40,296
| -2% | -$1.11M | 0.12% | 175 |
|
|
2017
Q3 | $67.3M | Sell |
2,305,572
-223,594
| -9% | -$6.17M | 0.15% | 137 |
|
|
2017
Q2 | $70.1M | Sell |
2,529,166
-154,173
| -6% | -$4.09M | 0.15% | 137 |
|
|
2017
Q1 | $66.7M | Sell |
2,683,339
-123,000
| -4% | -$2.99M | 0.13% | 150 |
|
|
2016
Q4 | $60.7M | Sell |
2,806,339
-74,900
| -3% | -$1.63M | 0.12% | 164 |
|
|
2016
Q3 | $68.6M | Buy |
2,881,239
+24,200
| +0.8% | +$577K | 0.14% | 140 |
|
|
2016
Q2 | $66.8M | Sell |
2,857,039
-65,463
| -2% | -$1.42M | 0.14% | 137 |
|
|
2016
Q1 | $55M | Buy |
2,922,502
+365,152
| +14% | +$6.41M | 0.12% | 170 |
|
|
2015
Q4 | $47.2M | Buy |
2,557,350
+40,437
| +2% | +$725K | 0.12% | 174 |
|
|
2015
Q3 | $41.3M | Buy |
2,516,913
+68,342
| +3% | +$1.17M | 0.11% | 188 |
|
|
2015
Q2 | $43.3M | Sell |
2,448,571
-45,255
| -2% | -$809K | 0.1% | 186 |
|
|
2015
Q1 | $44.3M | Sell |
2,493,826
-41,097
| -2% | -$650K | 0.1% | 196 |
|
|
2014
Q4 | $33.6M | Buy |
2,534,923
+23,655
| +0.9% | +$302K | 0.08% | 254 |
|
|
2014
Q3 | $29.7M | Buy |
2,511,268
+96,371
| +4% | +$1.21M | 0.07% | 262 |
|
|
2014
Q2 | $30.8M | Sell |
2,414,897
-39,200
| -2% | -$510K | 0.08% | 251 |
|
|
2014
Q1 | $33.2M | Buy |
2,454,097
+11,500
| +0.5% | +$151K | 0.09% | 220 |
|
|
2013
Q4 | $29.4M | Buy |
2,442,597
+16,700
| +0.7% | +$197K | 0.08% | 246 |
|
|
2013
Q3 | $28.5M | Buy |
2,425,897
+75,001
| +3% | +$811K | 0.08% | 229 |
|
|
2013
Q2 | $21.8M | Buy |
+2,350,896
| New | +$19.9M | 0.07% | 281 |
|
Other funds holding BSX
California State Teachers Retirement System (CalSTRS)'s BSX Position: Q1 2026 in Review
California State Teachers Retirement System (CalSTRS) reduced its Boston Scientific (BSX) stake by 2.4% in Q1 2026, selling an estimated $4.62M and leaving 2,299,954 shares worth $144M. The position accounts for 0.15% of the portfolio, ranked #112.
California State Teachers Retirement System (CalSTRS) first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $255M in Q2 2025. 1,676 funds tracked by Wall St. Rank hold BSX as of Q1 2026.
- California State Teachers Retirement System (CalSTRS) held 2,299,954 shares of Boston Scientific worth $144M as of Q1 2026.
- California State Teachers Retirement System (CalSTRS) sold 57,751 Boston Scientific shares in Q1 2026, an estimated $4.62M.
- Boston Scientific made up 0.15% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #112 holding.
- California State Teachers Retirement System (CalSTRS) first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
- California State Teachers Retirement System (CalSTRS)'s Boston Scientific position peaked at $255M in Q2 2025.
- 1,676 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.
Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.