Larimar Therapeutics Inc (LRMR)
Who owns Larimar Therapeutics Inc (LRMR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 57.7% of the shares are freely tradable; institutional investors hold 85.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Deerfield Management Co | 34.28 | 35,606,974 | +16.3 | 03/31/2026 |
| Blue Owl Capital Holdings LP | 6.85 | 7,120,007 | +4.3 | 03/31/2026 |
| BlackRock Inc | 3.61 | 3,752,200 | +1.9 | 03/31/2026 |
| Millennium Management LLC | 3.49 | 3,625,278 | -30.4 | 03/31/2026 |
| Vanguard Group Inc | 2.93 | 3,046,216 | -1.3 | 12/31/2025 |
| AIGH Capital Management, LLC | 2.89 | 3,000,000 | +50.0 | 03/31/2026 |
| Driehaus Capital Management LLC | 2.82 | 2,934,399 | +448.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.76 | 2,866,349 | +0.0 | 03/31/2026 |
| Dafna Capital Management LLC | 1.95 | 2,029,164 | +116.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.25 | 2,337,146 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 6. Jul 2026 | Hamilton Thomas Edward | Director | Buy | 50,000 | 3.34 | 166,890 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.