Ken Fisher's BSX Position Overview
Ken Fisher (via Fisher Asset Management, LLC) currently holds 9.14 M shares of Boston Scientific Corporation (BSX) worth $871.33 M, representing 0.30% of the portfolio. First purchased in 2018-Q4, this long-term strategic position has been held for 29 quarters.
Based on 13F filings, Ken Fisher has maintained a strategic position in BSX, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2020, adding 2.1 M shares. Largest reduction occurred in Q1 2019, reducing 276 shares.
Analysis based on 13F filings available since 2013 Q2
Ken Fisher's Boston Scientific Corporation (BSX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Boston Scientific Corporation (BSX) Trades by Ken Fisher
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +677,191 | Add 8.00% | 9.14 M | $95.35 |
| Q3 2025 | +755,641 | Add 9.81% | 8.46 M | $97.63 |
| Q2 2025 | +939,834 | Add 13.89% | 7.71 M | $107.41 |
| Q1 2025 | +964,638 | Add 16.63% | 6.77 M | $100.88 |
| Q4 2024 | +1.03 M | Add 21.56% | 5.8 M | $89.32 |
| Q3 2024 | +694,585 | Add 17.04% | 4.77 M | $83.80 |
| Q2 2024 | +66,996 | Add 1.67% | 4.08 M | $77.01 |
| Q1 2024 | +24,555 | Add 0.62% | 4.01 M | $68.49 |
| Q4 2023 | +15,357 | Add 0.39% | 3.99 M | $57.81 |
| Q3 2023 | +131,207 | Add 3.42% | 3.97 M | $52.80 |
| Q2 2023 | +51,352 | Add 1.36% | 3.84 M | $54.09 |
| Q1 2023 | +36,948 | Add 0.99% | 3.79 M | $50.03 |
| Q4 2022 | +50,033 | Add 1.35% | 3.75 M | $46.27 |
| Q3 2022 | +95,591 | Add 2.65% | 3.7 M | $38.73 |
| Q2 2022 | +100,331 | Add 2.86% | 3.61 M | $37.27 |
| Q1 2022 | +130,838 | Add 3.88% | 3.5 M | $44.29 |
| Q4 2021 | +94,661 | Add 2.89% | 3.37 M | $42.48 |
| Q3 2021 | +131,038 | Add 4.16% | 3.28 M | $43.39 |
| Q2 2021 | +118,503 | Add 3.91% | 3.15 M | $42.76 |
| Q1 2021 | +114,430 | Add 3.92% | 3.03 M | $38.65 |
| Q4 2020 | +119,530 | Add 4.28% | 2.92 M | $35.95 |
| Q3 2020 | +84,556 | Add 3.12% | 2.8 M | $38.21 |
| Q2 2020 | +589,237 | Add 27.77% | 2.71 M | $35.11 |
| Q1 2020 | +2.1 M | Add 11841.85% | 2.12 M | $32.63 |
| Q4 2019 | +438 | Add 2.53% | 17,771 | $45.24 |
| Q3 2019 | +2,289 | Add 15.22% | 17,333 | $40.67 |
| Q2 2019 | +4,957 | Add 49.14% | 15,044 | $43.01 |
| Q1 2019 | -276 | Reduce 2.66% | 10,087 | $38.37 |
| Q4 2018 | +10,363 | New Buy | 10,363 | $35.32 |
Ken Fisher's Boston Scientific Corporation Investment FAQs
Ken Fisher first purchased Boston Scientific Corporation (BSX) in Q4 2018, acquiring 10,363 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ken Fisher has held Boston Scientific Corporation (BSX) for 29 quarters since Q4 2018.
Ken Fisher's largest addition to Boston Scientific Corporation (BSX) was in Q1 2020, adding 2,122,187 shares worth $69.25 M.
According to the latest 13F filing for Q4 2025, Ken Fisher's firm, Fisher Asset Management, LLC, owns 9,138,216 shares of Boston Scientific Corporation (BSX), valued at approximately $871.33 M.
As of the Q4 2025 filing, Boston Scientific Corporation (BSX) represents approximately 0.30% of Ken Fisher's publicly disclosed stock portfolio, making it one of their key holdings.
Ken Fisher's peak holding in Boston Scientific Corporation (BSX) was 9,138,216 shares, as reported at the end of Q4 2025.