Larimar TherapeuticsLRMR
13F holders, Q1 2025 (March 31)103holders −13
15new positions
28sold out
4famous investors
$2.17avg. 13F price*
At the end of Q1 2025, 103 institutions reported holding Larimar Therapeutics Inc. (LRMR) in their 13F filings, down 13 from Q4 2024. 15 opened new positions and 28 sold out. The largest holders were Deerfield Management Company, L.P. ($45.6M), Janus Henderson Group PLC ($13.1M) and Ra Capital Management, L.P. ($13.0M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Larimar Therapeutics Inc.
- CUSIP
- 517125100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $5.9M |
| Exits | 28 | $14.6M |
All 13F filers, Q4 2024 → Q1 2025: 5,582,366 shares bought and 8,189,683 shares sold, net −2,607,317 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 103 holders
| Deerfield Management Company, L.P. | 1.03% | No change | 21,231,974 | $45.6M |
| Janus Henderson Group PLC | 0.01% | Reduce -13.5% | 5,571,963 | $13.1M |
| Ra Capital Management, L.P. | 0.22% | No change | 6,045,351 | $13.0M |
| Blue Owl Capital Holdings LP | 3.32% | Add +2.7% | 4,778,040 | $10.3M |
| BlackRock, Inc. | 0.00% | Reduce -4.3% | 3,123,988 | $6.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -35.7% | 2,671,271 | $5.7M |
| Vanguard Group Inc. | 0.00% | Add +1.1% | 2,217,808 | $4.8M |
| Opaleye Management Inc. | 0.94% | New | 1,914,077 | $4.1M |
| Alyeska Investment Group, L.P. | 0.01% | Add +46.6% | 1,442,473 | $3.1M |
| Renaissance Technologies | 0.00% | Add +89.8% | 974,971 | $2.1M |
| Geode Capital Management, LLC | 0.00% | Add +2.4% | 907,961 | $2.0M |
| State Street Corp. | 0.00% | Reduce -1.2% | 832,541 | $1.8M |
| Mangrove Partners Im, LLC | 0.19% | No change | 770,233 | $1.7M |
| Millennium Management | 0.00% | Add +164.0% | 673,012 | $1.4M |
| Woodline Partners LP | 0.01% | No change | 622,682 | $1.3M |
| Verition Fund Management LLC | 0.01% | Reduce -45.3% | 567,683 | $1.2M |
| Citadel Advisors | 0.00% | New | 434,286 | $934K |
| Morgan Stanley | 0.00% | Add +141.7% | 411,380 | $884K |
| Two Sigma Investments, LP | 0.00% | Add +360.1% | 394,745 | $849K |
| Two Sigma Advisers, LP | 0.00% | Add +487.9% | 394,024 | $847K |
| DAFNA Capital Management LLC | 0.23% | No change | 371,434 | $799K |
| Sphera Funds Management LTD. | 0.19% | Reduce -19.6% | 366,304 | $788K |
| Northern Trust Corp. | 0.00% | Reduce -2.9% | 365,668 | $786K |
| Driehaus Capital Management LLC | 0.01% | Reduce -72.0% | 355,995 | $765K |
| Cubist Systematic Strategies, LLC | 0.01% | Add +51.5% | 354,232 | $762K |
| Altium Capital Management LLC | 1.71% | Reduce -45.9% | 273,204 | $587K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -0.7% | 218,434 | $470K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.01% | Reduce -4.5% | 180,027 | $387K |
| Nuveen, LLC | 0.00% | — | 174,788 | $376K |
| Susquehanna International Group, LLP | 0.00% | Add +139.6% | 161,902 | $348K |
| Monimus Capital Management, LP | 0.27% | Add +210.6% | 146,284 | $315K |
| AQR Capital Management | 0.00% | New | 112,226 | $241K |
| Bridgeway Capital Management, LLC | 0.01% | New | 103,216 | $222K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -19.7% | 100,457 | $216K |
| Bank of New York Mellon Corp | 0.00% | No change | 100,453 | $216K |
| State of Wisconsin Investment Board | 0.00% | Add +51.0% | 87,527 | $188K |
| Jump Financial, LLC | 0.00% | Reduce -19.7% | 86,350 | $186K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -10.5% | 72,649 | $156K |
| Rhumbline Advisers | 0.00% | Add +15.7% | 65,018 | $140K |
| JPMorgan Chase & Co. | 0.00% | Add +164.3% | 64,617 | $139K |
| American Century Companies Inc. | 0.00% | Add +14.2% | 64,284 | $138K |
| Ikarian Capital, LLC | 0.04% | No change | 58,526 | $126K |
| Barclays PLC | 0.00% | Reduce -22.9% | 54,259 | $117K |
| Acadian Asset Management LLC | 0.00% | New | 53,239 | $113K |
| Bank of America Corp. | 0.00% | Reduce -5.3% | 50,376 | $108K |
| Alps Advisors Inc. | 0.00% | Reduce -8.0% | 47,460 | $102K |
| UBS Group AG | 0.00% | Reduce -15.5% | 44,910 | $97K |
| Deutsche Bank AG | 0.00% | Reduce -9.1% | 40,037 | $86K |
| Pale Fire Capital SE | 0.01% | Add +16.1% | 37,518 | $81K |
| Journey Strategic Wealth LLC | 0.00% | Add +0.1% | 35,316 | $76K |
| Intech Investment Management LLC | 0.00% | Add +142.4% | 33,922 | $73K |
| Citigroup Inc. | 0.00% | Reduce -4.9% | 33,914 | $73K |
| Alliancebernstein L.P. | 0.00% | No change | 33,060 | $71K |
| Brevan Howard Capital Management LP | 0.00% | New | 31,880 | $69K |
| Velan Capital Investment Management LP | 0.06% | Add +55.6% | 28,000 | $60K |
| Virtus Investment Advisers, LLC | 0.02% | New | 26,869 | $58K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 25,209 | $54K |
| Walleye Trading LLC | 0.00% | No change | 25,000 | $54K |
| Fi3 FINANCIAL ADVISORS, LLC | 0.02% | Add +0.7% | 23,970 | $52K |
| Algert Global LLC | 0.00% | Add +91.0% | 23,280 | $50K |
| Wells Fargo & Company | 0.00% | Add +14.4% | 22,494 | $48K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 20,609 | $44K |
| Walleye Capital LLC | 0.00% | New | 17,166 | $37K |
| T. Rowe Price Associates Inc. | 0.00% | Add +5.5% | 16,310 | $36K |
| Jain Global LLC | 0.00% | Reduce -47.4% | 16,729 | $36K |
| Ieq Capital, LLC | 0.00% | New | 16,460 | $35K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +3.3% | 16,216 | $35K |
| Invesco Ltd. | 0.00% | Reduce -0.9% | 16,112 | $35K |
| SG Americas Securities, LLC | 0.00% | Reduce -22.8% | 14,974 | $32K |
| Boothbay Fund Management, LLC | 0.00% | No change | 13,731 | $30K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -5.4% | 12,799 | $28K |
| Voya Investment Management LLC | 0.00% | Reduce -5.0% | 12,092 | $26K |
| ProShare Advisors LLC | 0.00% | Reduce -19.4% | 11,985 | $26K |
| Cwm, LLC | 0.00% | Add +21744.9% | 10,704 | $23K |
| Sei Investments Co. | 0.00% | No change | 10,573 | $23K |
| Quadrature Capital Ltd | 0.00% | New | 10,242 | $22K |
| Legal & General Group Plc | 0.00% | No change | 9,718 | $21K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 9,082 | $20K |
| STRS Ohio | 0.00% | No change | 7,900 | $17K |
| Osaic Holdings, Inc. | 0.00% | Add +547.1% | 6,911 | $15K |
| New York State Common Retirement Fund | 0.00% | No change | 6,619 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +68.5% | 4,801 | $10K |
| Solstein Capital, LLC | 0.01% | No change | 4,477 | $10K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,121 | $9K |
| BNP Paribas Financial Markets | 0.00% | Reduce -39.4% | 3,918 | $8K |
| Nisa Investment Advisors, LLC | 0.00% | New | 3,756 | $8K |
| California State Teachers Retirement System | 0.00% | No change | 3,048 | $7K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -1.9% | 2,085 | $5K |
| GF Fund Management Co. LTD. | 0.00% | Add +18.1% | 1,583 | $3K |
| Clearstead Advisors, LLC | 0.00% | No change | 1,500 | $3K |
| Amalgamated Bank | 0.00% | Add +67.9% | 1,452 | $3K |
| FMR LLC | 0.00% | Reduce -97.0% | 1,312 | $3K |
| US Bancorp \de | 0.00% | No change | 1,175 | $3K |
| Group One Trading LLC | 0.00% | Reduce -91.6% | 1,125 | $2K |
| True Wealth Design, LLC | 0.00% | New | 310 | $667 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 198 | $426 |
| Russell Investments Group, Ltd. | 0.00% | New | 193 | $415 |
| SBI Securities Co., Ltd. | 0.00% | Add +61.9% | 191 | $411 |
| Point72 (DIFC) Ltd | 0.00% | Reduce -98.2% | 127 | $274 |
| Sterling Capital Management LLC | 0.00% | No change | 43 | $92 |
| Rothschild Investment LLC | 0.00% | No change | 35 | $75 |
| Royal Bank of Canada | 0.00% | Reduce -94.5% | 54 | $0 |
| Simplex Trading, LLC | 0.00% | New | 264 | $0 |
"% of holder's portfolio" is LRMR's weight in each manager's 13F, not the share of Larimar Therapeutics Inc. the manager owns.