Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.
| Fund | Change | Quarter |
|---|---|---|
| Affinity Asset Advisors, LLC | Affinity Asset Advisors, LLC opened a new position worth $40,884,081. | 2026-06-30 |
| EcoR1 Capital, LLC | EcoR1 Capital, LLC opened a new position worth $63,871,322. | 2026-06-30 |
| TCG Crossover Management, LLC | TCG Crossover Management, LLC opened a new position worth $58,253,516. | 2026-06-30 |
| Trails Edge Capital Partners, LP | Trails Edge Capital Partners, LP opened a new position worth $30,461,680. | 2026-06-30 |
| VANGUARD CAPITAL MANAGEMENT LLC | VANGUARD CAPITAL MANAGEMENT LLC opened a new position worth $29,212,409. | 2026-06-30 |
| FMR LLC | FMR LLC opened a new position worth $25,130,826. | 2026-06-30 |
| Woodline Partners LP | Woodline Partners LP opened a new position worth $18,453,581. | 2026-06-30 |
| Sanofi | Sanofi opened a new position worth $16,536,970. | 2026-06-30 |
Largest reported positions as of 2026-06-30.
| Fund | Value | Shares |
|---|---|---|
| EcoR1 Capital, LLC | $63,871,322 | 3,174,519 |
| TCG Crossover Management, LLC | $58,253,516 | 2,895,304 |
| Affinity Asset Advisors, LLC | $40,884,081 | 2,032,012 |
| Trails Edge Capital Partners, LP | $30,461,680 | 1,514,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | $29,212,409 | 1,451,909 |
| FMR LLC | $25,130,826 | 1,249,047 |
| Woodline Partners LP | $18,453,581 | 917,176 |
| Sanofi | $16,536,970 | 821,917 |
| 683 Capital Management, LLC | $15,090,001 | 750,000 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | $14,667,480 | 729,000 |
Data compiled from public SEC filings. This is informational reporting, not investment advice.
This page tracks Sanofi’s institutional portfolio activity as disclosed in its quarterly Form 13F filings with the SEC. Rather than a one-off news snapshot, think of it as a running ledger — new positions, exits, and size changes get logged here every quarter so you can see how the company’s biotech and pharma stakes shift … Read more