BOSTON SCIENTIFIC CORP · CUSIP 101137107 · CIK 1599882
As of 2026-06-30, Rhenman & Partners Asset Management AB reported 450.50K BSX (shares), valued at $19.23M, or 1.81% of its reported non-derivative portfolio. Filed 2026-08-13.
Verify history & sources →Shares decreased 27.92%; reported value decreased 50.97%, and weight changed -3.03 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.
Left: % · Right: Shares · Independently scaled axes
Exact data and methodology
Axes scale independently; a crossing does not mean equal values. Weight uses each quarter's total reported non-derivative value. Same CUSIP; missing quarters are gaps, not zero. Revised history may include later disclosures.
| Quarter | Weight | Quantity | Source |
|---|---|---|---|
| Q2 2026 | 1.81% | 450,500 | SEC filing ↗Filed Aug 13, 2026 |
| Q1 2026 | 4.84% | 625,000 | SEC filing ↗Filed May 14, 2026 |
| Q4 2025 | 3.84% | 431,207 | SEC filing ↗Filed Feb 13, 2026 |
| Q3 2025 | 4.73% | 438,000 | SEC filing ↗Filed Nov 13, 2025 |
| Q2 2025 | 4.02% | 296,000 | SEC filing ↗Filed Aug 13, 2025 |
| Q1 2025 | 3.48% | 300,000 | SEC filing ↗Filed May 14, 2025 |
| Q4 2024 | 4.08% | 444,000 | SEC filing ↗Filed Feb 13, 2025 |
| Q3 2024 | 4.01% | 590,000 | SEC filing ↗Filed Nov 13, 2024 |
| Q2 2024 | 4.40% | 595,000 | SEC filing ↗Filed Aug 13, 2024 |
| Q1 2024 | 3.78% | 582,000 | SEC filing ↗Filed May 14, 2024 |
| Q4 2023 | 4.33% | 750,000 | SEC filing ↗Filed Feb 13, 2024 |
History & evidence by quarter
| Quarter | Weight | Quantity | Value | Change explained | Source |
|---|---|---|---|---|---|
| Q4 2023 | 4.33% | 750,000 | $43.36M | The prior quarter is outside the free window. Sign in for the comparison. | SEC filing ↗ Filed Feb 13, 2024 |
| Q1 2024 | 3.78% | 582,000 | $39.86M | Shares decreased 22.40%; reported value decreased 8.06%, and weight changed -0.55 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 14, 2024 |
| Q2 2024 | 4.40% | 595,000 | $45.82M | Shares increased 2.23%; reported value increased 14.95%, and weight changed +0.62 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 13, 2024 |
| Q3 2024 | 4.01% | 590,000 | $49.44M | Shares decreased 0.84%; reported value increased 7.90%, and weight changed -0.39 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Nov 13, 2024 |
| Q4 2024 | 4.08% | 444,000 | $39.66M | Shares decreased 24.75%; reported value decreased 19.79%, and weight changed +0.07 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 13, 2025 |
| Q1 2025 | 3.48% | 300,000 | $30.26M | Shares decreased 32.43%; reported value decreased 23.69%, and weight changed -0.60 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 14, 2025 |
| Q2 2025 | 4.02% | 296,000 | $31.79M | Shares decreased 1.33%; reported value increased 5.05%, and weight changed +0.54 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 13, 2025 |
| Q3 2025 | 4.73% | 438,000 | $42.76M | Shares increased 47.97%; reported value increased 34.50%, and weight changed +0.71 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Nov 13, 2025 |
| Q4 2025 | 3.84% | 431,207 | $41.12M | Shares decreased 1.55%; reported value decreased 3.85%, and weight changed -0.89 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 13, 2026 |
| Q1 2026 | 4.84% | 625,000 | $39.22M | Shares increased 44.94%; reported value decreased 4.61%, and weight changed +1.00 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 14, 2026 |
| Q2 2026 | 1.81% | 450,500 | $19.23M | Shares decreased 27.92%; reported value decreased 50.97%, and weight changed -3.03 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 13, 2026 |
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