Institutional Ownership
Larimar Therapeutics Inc
CUSIP 517125100COMLRMRQ1 2026
13D / 13G Filings
58
Schedule 13D/13G on record
Beneficial Filers
26
Distinct reporting persons
Largest Stake
39.8%
Max % of class reported
Institutional Holders
157
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
58 filings · latest Mar 2, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Mar 2, 2026 | Deerfield Private Design Fund III, L.P. | 13D/A | 34.4% | — | SEC |
| 2 | Feb 17, 2026 | Ra Capital Management, L.P. | 13G/A | — | 913.31M | SEC |
| 3 | Feb 12, 2026 | Blue Owl Capital Holdings LP | 13G/A | 11.0% | 8.46M | SEC |
| 4 | Nov 6, 2025 | Millennium Management LLC | 13G/A | 11.0% | 4.97M | SEC |
| 5 | Aug 29, 2025 | Opaleye Management, Inc. | 13G | 4.8% | 4.11M | SEC |
| 6 | Aug 14, 2025 | Janus Henderson Group PLC | 13G/A | — | — | SEC |
| 7 | Jul 31, 2025 | Deerfield Private Design Fund III, L.P. | 13D/A | 35.8% | — | SEC |
| 8 | Jun 17, 2025 | Millennium Management LLC | 13G | 11.0% | 3.56M | SEC |
| 9 | May 14, 2025 | Janus Henderson Group PLC | 13G/A | 9.1% | 5.57M | SEC |
| 10 | May 13, 2025 | The Goldman Sachs Group, Inc. | 13G/A | 11.0% | 2.60M | SEC |
48 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Larimar Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Deerfield Management Company, L.P. | 35.61M | $160.23M |
| 2 | Blue Owl Capital Holdings LP | 7.12M | $32.04M |
| 3 | Blackrock, Inc. | 3.75M | $16.88M |
| 4 | Millennium Management LLC | 3.63M | $16.31M |
| 5 | Aigh Capital Management LLC | 3.00M | $13.50M |
| 6 | Driehaus Capital Management LLC | 2.93M | $13.20M |
| 7 | Dafna Capital Management LLC | 2.03M | $9.13M |
| 8 | Goldman Sachs Group Inc | 1.56M | $7.03M |
| 9 | Rtw Investments, LP | 1.50M | $6.75M |
| 10 | Deep Track Capital, LP | 1.50M | $6.75M |