Larimar Therapeutics, Inc. (LRMR) ownership: Top institutional holder: DEERFIELD MANAGEMENT COMPANY, L.P. ($160.23M). Insider activity: Net Seller (1 buys, 8 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| DEERFIELD MANAGEMENT COMPANY, L.P. | 35606974.00 | $160.23M | 2026-03-31 |
| Blue Owl Capital Holdings LP | 7120007.00 | $32.04M | 2026-03-31 |
| BlackRock, Inc. | 3752200.00 | $16.88M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 3625278.00 | $16.31M | 2026-03-31 |
| AIGH Capital Management LLC | 3000000.00 | $13.50M | 2026-03-31 |
| Driehaus Capital Management LLC | 2934399.00 | $13.20M | 2026-03-31 |
| JANUS HENDERSON GROUP PLC | 5571963.00 | $13.07M | 2025-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2866349.00 | $12.90M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-07-06 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-02-27 | |
| Sell | null | 2026-02-27 |
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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.