Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.
| Fund | Change | Quarter |
|---|---|---|
| EcoR1 Capital, LLC | EcoR1 Capital, LLC increased this position by 22% ($437,030,013 -> $531,906,345). | 2026-06-30 |
| Woodline Partners LP | Woodline Partners LP increased this position by 153% ($19,092,438 -> $48,398,445). | 2026-06-30 |
| MILLENNIUM MANAGEMENT LLC | MILLENNIUM MANAGEMENT LLC increased this position by 107% ($26,375,223 -> $54,493,830). | 2026-06-30 |
| Apis Capital Advisors, LLC | Apis Capital Advisors, LLC increased this position by 154% ($13,199,480 -> $33,547,500). | 2026-06-30 |
| Sofinnova Investments, Inc. | Sofinnova Investments, Inc. increased this position by 142% ($13,768,111 -> $33,313,680). | 2026-06-30 |
| GOLDMAN SACHS GROUP INC | GOLDMAN SACHS GROUP INC increased this position by 209% ($9,052,680 -> $28,015,335). | 2026-06-30 |
| FIRST TRUST ADVISORS LP | FIRST TRUST ADVISORS LP opened a new position worth $17,481,757. | 2026-06-30 |
| Coppell Advisory Solutions LLC | Coppell Advisory Solutions LLC opened a new position worth $16,575,695. | 2026-06-30 |
Largest reported positions as of 2026-06-30.
| Fund | Value | Shares |
|---|---|---|
| EcoR1 Capital, LLC | $531,906,345 | 7,880,094 |
| TANG CAPITAL MANAGEMENT LLC | $89,834,333 | 1,330,879 |
| VANGUARD CAPITAL MANAGEMENT LLC | $61,170,728 | 906,233 |
| Affinity Asset Advisors, LLC | $55,762,358 | 826,109 |
| Sanofi | $55,479,398 | 821,917 |
| MILLENNIUM MANAGEMENT LLC | $54,493,830 | 807,316 |
| Woodline Partners LP | $48,398,445 | 717,014 |
| 683 Capital Management, LLC | $44,550,001 | 660,000 |
| Palo Alto Investors LP | $40,735,508 | 603,489 |
| GEODE CAPITAL MANAGEMENT, LLC | $37,982,346 | 562,584 |
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