Praxis Precision Medicines, Inc. (PRAX) ownership: Top institutional holder: JANUS HENDERSON GROUP PLC ($1.11B). Insider activity: Net Seller (0 buys, 11 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 3458863.00 | $1.11B | 2026-03-31 |
| Orbis Allan Gray Ltd | 2472480.00 | $796.61M | 2026-03-31 |
| BlackRock, Inc. | 2324929.00 | $749.07M | 2026-03-31 |
| FMR LLC | 2160943.00 | $696.23M | 2026-03-31 |
| PERCEPTIVE ADVISORS LLC | 2035986.00 | $655.97M | 2026-03-31 |
| BAKER BROS. ADVISORS LP | 1753198.00 | $564.86M | 2026-03-31 |
| VANGUARD GROUP INC | 1460933.00 | $430.60M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1221944.00 | $393.70M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-02-06 | |
| Sell | null | 2026-02-06 | |
| Sell | null | 2026-02-06 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.