Avidity Partners Management LP
- SEC CIK
- 0001791827
- Latest filing
- Aug 14, 2026
BSX holding history
Boston Scientific Corp in every 13F filed by Avidity Partners Management LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
BSX overviewAll 13F holders of BSXFull Q2 2026 holdings
- Shares (Q2 2026)
- 80,000
- Value
- $3.41M
- % of portfolio
- 0.5%
- Quarters held
- 18
- Since Q1 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 80,000 | $3.41M | 0.5% | +20,000+33.3% | Added | Holders |
| Q1 2026 | 60,000 | $3.77M | 0.8% | −54,500−47.6% | Reduced | Holders |
| Q4 2025 | 114,500 | $10.9M | 3.1% | −49,800−30.3% | Reduced | Holders |
| Q3 2025 | 164,300 | $16.0M | 3.7% | −157,500−48.9% | Reduced | Holders |
| Q2 2025 | 321,800 | $34.6M | 6.9% | −14,200−4.2% | Reduced | Holders |
| Q1 2025 | 336,000 | $33.9M | 7.0% | −179,000−34.8% | Reduced | Holders |
| Q4 2024 | 515,000 | $46.0M | 4.6% | −447,000−46.5% | Reduced | Holders |
| Q3 2024 | 962,000 | $80.6M | 4.1% | −208,100−17.8% | Reduced | Holders |
| Q2 2024 | 1,170,100 | $90.1M | 3.8% | −785,900−40.2% | Reduced | Holders |
| Q1 2024 | 1,956,000 | $134.0M | 4.8% | +66,000+3.5% | Added | Holders |
| Q4 2023 | 1,890,000 | $109.3M | 4.2% | −175,800−8.5% | Reduced | Holders |
| Q3 2023 | 2,065,800 | $109.1M | 4.4% | +1,280,100+162.9% | Added | Holders |
| Q2 2023 | 785,700 | $42.5M | 1.5% | −64,300−7.6% | Reduced | Holders |
| Q1 2023 | 850,000 | $42.5M | 1.4% | −2,406,700−73.9% | Reduced | Holders |
| Q4 2022 | 3,256,700 | $150.7M | 3.5% | +718,100+28.3% | Added | Holders |
| Q3 2022 | 2,538,600 | $98.3M | 2.1% | +13,600+0.5% | Added | Holders |
| Q2 2022 | 2,525,000 | $94.1M | 2.2% | +1,328,900+111.1% | Added | Holders |
| Q1 2022 | 1,196,100 | $53.0M | 1.2% | +1,196,100 | New | Holders |