Renaissance Technologies's BSX Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 2.38 M shares of Boston Scientific Corporation (BSX) worth $227.19 M, representing 0.35% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 36 quarters.
Based on 13F filings, Renaissance Technologies has maintained a strategic position in BSX, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2016, adding 4.28 M shares. Largest reduction occurred in Q3 2013, reducing 5.54 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's Boston Scientific Corporation (BSX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Boston Scientific Corporation (BSX) Trades by Renaissance Technologies
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +1.47 M | Add 159.81% | 2.38 M | $95.35 |
| Q3 2025 | -579,436 | Reduce 38.72% | 917,105 | $97.63 |
| Q2 2025 | +844,988 | Add 129.69% | 1.5 M | $107.41 |
| Q1 2025 | +651,553 | New Buy | 651,553 | $100.88 |
| Q4 2024 | -258,025 | Sold Out | 0 | $0.00 |
| Q3 2024 | +258,025 | New Buy | 258,025 | $83.80 |
| Q3 2023 | -835,905 | Sold Out | 0 | $0.00 |
| Q2 2023 | +835,905 | New Buy | 835,905 | $0.05 |
| Q1 2021 | -2.77 M | Sold Out | 0 | $0.00 |
| Q4 2020 | +2.77 M | New Buy | 2.77 M | $35.95 |
| Q3 2020 | -27,605 | Sold Out | 0 | $0.00 |
| Q2 2020 | +27,605 | New Buy | 27,605 | $35.10 |
| Q3 2019 | -118,829 | Sold Out | 0 | $0.00 |
| Q2 2019 | -2.07 M | Reduce 94.58% | 118,829 | $42.98 |
| Q1 2019 | +2.19 M | New Buy | 2.19 M | $38.38 |
| Q2 2018 | -1.09 M | Sold Out | 0 | $0.00 |
| Q1 2018 | -52,000 | Reduce 4.54% | 1.09 M | $27.32 |
| Q4 2017 | -866,100 | Reduce 43.04% | 1.15 M | $24.79 |
| Q3 2017 | -3.29 M | Reduce 62.07% | 2.01 M | $29.17 |
| Q2 2017 | -421,100 | Reduce 7.35% | 5.31 M | $27.72 |
| Q1 2017 | +3.1 M | Add 118.13% | 5.73 M | $24.87 |
| Q4 2016 | +741,300 | Add 39.35% | 2.63 M | $21.63 |
| Q3 2016 | -3.02 M | Reduce 61.57% | 1.88 M | $23.80 |
| Q2 2016 | +4.28 M | Add 692.67% | 4.9 M | $23.37 |
| Q1 2016 | -2.85 M | Reduce 82.19% | 618,405 | $18.81 |
| Q4 2015 | +3.47 M | New Buy | 3.47 M | $18.44 |
| Q3 2015 | -2.85 M | Sold Out | 0 | $0.00 |
| Q2 2015 | -946,350 | Reduce 24.95% | 2.85 M | $17.70 |
| Q1 2015 | -1.54 M | Reduce 28.87% | 3.79 M | $17.75 |
| Q4 2014 | +3.12 M | Add 141.34% | 5.33 M | $13.25 |
| Q3 2014 | +1.67 M | Add 309.09% | 2.21 M | $11.81 |
| Q2 2014 | -954,200 | Reduce 63.85% | 540,205 | $12.77 |
| Q1 2014 | -2.86 M | Reduce 65.71% | 1.49 M | $13.52 |
| Q4 2013 | -444,885 | Reduce 9.26% | 4.36 M | $12.02 |
| Q3 2013 | -5.54 M | Reduce 53.54% | 4.8 M | $11.74 |
| Q2 2013 | +10.34 M | Add 0.00% | 10.34 M | $9.27 |
Renaissance Technologies's Boston Scientific Corporation Investment FAQs
Renaissance Technologies first purchased Boston Scientific Corporation (BSX) in Q2 2013, acquiring 10,339,305 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies has held Boston Scientific Corporation (BSX) for 36 quarters since Q2 2013.
Renaissance Technologies's largest addition to Boston Scientific Corporation (BSX) was in Q2 2013, adding 10,339,305 shares worth $95.84 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 2,382,705 shares of Boston Scientific Corporation (BSX), valued at approximately $227.19 M.
As of the Q4 2025 filing, Boston Scientific Corporation (BSX) represents approximately 0.35% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies's peak holding in Boston Scientific Corporation (BSX) was 10,339,305 shares, as reported at the end of Q2 2013.