Ken Fisher’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
$28.3M Sell
450,603
-8,687,613
-95% -$695M 0.01% 290
2025
Q4
$871M Buy
9,138,216
+677,191
+8% +$66.4M 0.3% 84
2025
Q3
$826M Buy
8,461,025
+755,641
+10% +$78.3M 0.3% 89
2025
Q2
$828M Buy
7,705,384
+939,834
+14% +$95.1M 0.33% 84
2025
Q1
$683M Buy
6,765,550
+964,638
+17% +$97.1M 0.3% 87
2024
Q4
$518M Buy
5,800,912
+1,028,977
+22% +$90.6M 0.21% 90
2024
Q3
$400M Buy
4,771,935
+694,585
+17% +$54.8M 0.16% 101
2024
Q2
$314M Buy
4,077,350
+66,996
+2% +$4.9M 0.14% 106
2024
Q1
$275M Buy
4,010,354
+24,555
+0.6% +$1.58M 0.13% 115
2023
Q4
$230M Buy
3,985,799
+15,357
+0.4% +$820K 0.12% 123
2023
Q3
$210M Buy
3,970,442
+131,207
+3% +$6.88M 0.12% 137
2023
Q2
$208M Buy
3,839,235
+51,352
+1% +$2.68M 0.11% 147
2023
Q1
$190M Buy
3,787,883
+36,948
+1% +$1.74M 0.12% 151
2022
Q4
$174M Buy
3,750,935
+50,033
+1% +$2.17M 0.12% 145
2022
Q3
$143M Buy
3,700,902
+95,591
+3% +$3.83M 0.11% 148
2022
Q2
$134M Buy
3,605,311
+100,331
+3% +$4.08M 0.1% 137
2022
Q1
$155M Buy
3,504,980
+130,838
+4% +$5.67M 0.09% 135
2021
Q4
$143M Buy
3,374,142
+94,661
+3% +$3.98M 0.08% 152
2021
Q3
$142M Buy
3,279,481
+131,038
+4% +$5.8M 0.09% 137
2021
Q2
$135M Buy
3,148,443
+118,503
+4% +$4.99M 0.08% 138
2021
Q1
$117M Buy
3,029,940
+114,430
+4% +$4.33M 0.08% 147
2020
Q4
$105M Buy
2,915,510
+119,530
+4% +$4.31M 0.08% 155
2020
Q3
$107M Buy
2,795,980
+84,556
+3% +$3.26M 0.09% 140
2020
Q2
$95.2M Buy
2,711,424
+589,237
+28% +$21.2M 0.09% 140
2020
Q1
$69.2M Buy
2,122,187
+2,104,416
+11,842% +$82.2M 0.09% 145
2019
Q4
$804K Buy
17,771
+438
+3% +$18.3K ﹤0.01% 611
2019
Q3
$705K Buy
17,333
+2,289
+15% +$97K ﹤0.01% 644
2019
Q2
$647K Buy
15,044
+4,957
+49% +$191K ﹤0.01% 640
2019
Q1
$387K Sell
10,087
-276
-3% -$10.5K ﹤0.01% 671
2018
Q4
$366K Buy
+10,363
New +$376K ﹤0.01% 690

Other funds holding BSX

Ken Fisher's BSX Position: Q1 2026 in Review

Ken Fisher reduced its Boston Scientific (BSX) stake by 95% in Q1 2026, selling an estimated $695M and leaving 450,603 shares worth $28.3M. The position accounts for 0.01% of the portfolio, ranked #290.

Ken Fisher first reported a position in BSX in Q4 2018 and has held it in 30 quarters since. The position peaked at $871M in Q4 2025. 1,666 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Ken Fisher held 450,603 shares of Boston Scientific worth $28.3M as of Q1 2026.
  • Ken Fisher sold 8,687,613 Boston Scientific shares in Q1 2026, an estimated $695M.
  • Boston Scientific made up 0.01% of Ken Fisher's portfolio in Q1 2026, its #290 holding.
  • Ken Fisher first reported a position in Boston Scientific in Q4 2018 and has held it in 30 quarters since.
  • Ken Fisher's Boston Scientific position peaked at $871M in Q4 2025.
  • 1,666 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.