Larimar TherapeuticsLRMR
13F holders, Q1 2026 (March 31)162holders +26
39new positions
14sold out
7famous investors
$4.50avg. 13F price*
At the end of Q1 2026, 162 institutions reported holding Larimar Therapeutics Inc. (LRMR) in their 13F filings, up 26 from Q4 2025. 39 opened new positions and 14 sold out. The largest holders were Deerfield Management Company, L.P. ($160.2M), Blue Owl Capital Holdings LP ($32.0M) and BlackRock, Inc. ($16.9M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Larimar Therapeutics Inc.
- CUSIP
- 517125100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 39 | $31.9M |
| Exits | 14 | $3.5M |
All 13F filers, Q4 2025 → Q1 2026: 21,993,741 shares bought and 7,419,453 shares sold, net +14,574,288 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 162 holders
| Deerfield Management Company, L.P. | 2.23% | Add +16.3% | 35,606,974 | $160.2M |
| Blue Owl Capital Holdings LP | 8.66% | Add +4.3% | 7,120,007 | $32.0M |
| BlackRock, Inc. | 0.00% | Add +1.9% | 3,752,200 | $16.9M |
| Millennium Management | 0.01% | Reduce -30.4% | 3,625,278 | $16.3M |
| AIGH Capital Management LLC | 2.76% | Add +50.0% | 3,000,000 | $13.5M |
| Driehaus Capital Management LLC | 0.10% | Add +448.0% | 2,934,399 | $13.2M |
| Vanguard Capital Management LLC | 0.00% | — | 2,866,349 | $12.9M |
| DAFNA Capital Management LLC | 2.11% | Add +116.1% | 2,029,164 | $9.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +15.9% | 1,561,585 | $7.0M |
| Deep Track Capital, LP | 0.14% | New | 1,500,000 | $6.8M |
| RTW Investments, LP | 0.07% | Reduce -52.0% | 1,500,000 | $6.8M |
| Woodline Partners LP | 0.02% | Add +74.9% | 1,400,850 | $6.3M |
| Geode Capital Management, LLC | 0.00% | Add +1.4% | 1,108,761 | $5.0M |
| Soleus Capital Management, L.P. | 0.19% | New | 1,066,960 | $4.8M |
| Point72 Asset Management | 0.01% | Reduce -28.3% | 1,047,385 | $4.7M |
| Marshall Wace, LLP | 0.00% | New | 933,464 | $4.2M |
| State Street Corp. | 0.00% | Reduce -0.1% | 911,326 | $4.1M |
| Gem Investment Advisors, LLC | 3.78% | Add +204.2% | 854,230 | $3.8M |
| Qube Research & Technologies Ltd | 0.01% | New | 847,644 | $3.8M |
| AQR Capital Management | 0.00% | Add +62.8% | 817,517 | $3.7M |
| Dimensional Fund Advisors LP | 0.00% | Add +143.8% | 798,462 | $3.6M |
| Renaissance Technologies | 0.01% | Add +148.9% | 739,942 | $3.3M |
| Nuveen, LLC | 0.00% | Add +541.7% | 674,915 | $3.0M |
| Caption Management, LLC | 0.14% | Add +52.9% | 635,024 | $2.9M |
| Alyeska Investment Group, L.P. | 0.01% | Reduce -33.5% | 617,211 | $2.8M |
| D. E. Shaw & Co. | 0.00% | Add +31.6% | 575,624 | $2.6M |
| Jane Street Group, LLC | 0.00% | Reduce -18.4% | 554,007 | $2.5M |
| Citadel Advisors | 0.00% | Reduce -62.0% | 519,132 | $2.3M |
| Two Sigma Investments, LP | 0.00% | Add +61.1% | 475,612 | $2.1M |
| Morgan Stanley | 0.00% | Add +209.5% | 420,813 | $1.9M |
| Vanguard Portfolio Management LLC | 0.00% | — | 406,558 | $1.8M |
| SummitTX Capital, L.P. | 0.05% | New | 379,765 | $1.7M |
| Northern Trust Corp. | 0.00% | Add +5.5% | 376,503 | $1.7M |
| JPMorgan Chase & Co. | 0.00% | Add +1234.5% | 331,818 | $1.4M |
| Burkehill Global Management, LP | 0.07% | New | 300,000 | $1.4M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | New | 300,000 | $1.4M |
| Jump Financial, LLC | 0.02% | Add +211.9% | 299,700 | $1.3M |
| Hudson Bay Capital Management LP | 0.01% | New | 292,250 | $1.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 289,632 | $1.3M |
| Seven Fleet Capital Management LP | 0.36% | New | 256,585 | $1.2M |
| Cerity Partners LLC | 0.00% | Add +5.6% | 247,912 | $1.1M |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 169,144 | $761K |
| Diadema Partners LP | 0.31% | New | 166,637 | $750K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -10.3% | 145,342 | $654K |
| Susquehanna International Group, LLP | 0.00% | Reduce -44.6% | 140,060 | $630K |
| Wellington Management Group LLP | 0.00% | New | 136,530 | $614K |
| Seven Grand Managers, LLC | 0.04% | New | 125,000 | $563K |
| HRT Financial LP | 0.00% | New | 121,885 | $548K |
| Ieq Capital, LLC | 0.00% | Add +132.0% | 114,038 | $513K |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.4% | 107,331 | $483K |
| Deutsche Bank AG | 0.00% | Add +170.8% | 93,132 | $419K |
| Marex Group Ltd | 0.00% | Reduce -73.7% | 82,000 | $369K |
| American Century Companies Inc. | 0.00% | Add +2.8% | 77,636 | $349K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +227.9% | 69,087 | $311K |
| Creative Planning | 0.00% | Add +82.6% | 65,037 | $293K |
| Cwm, LLC | 0.00% | Add +96.5% | 64,126 | $289K |
| FMR LLC | 0.00% | Add +393.6% | 63,570 | $286K |
| Alliancebernstein L.P. | 0.00% | No change | 74,530 | $284K |
| Rhumbline Advisers | 0.00% | Reduce -1.4% | 62,685 | $282K |
| Federated Hermes, Inc. | 0.00% | Reduce -82.9% | 61,350 | $276K |
| Canada Pension Plan Investment Board | 0.00% | Reduce -36.5% | 59,700 | $269K |
| Acadian Asset Management LLC | 0.00% | Reduce -8.0% | 59,481 | $265K |
| Cibc World Market Inc. | 0.00% | New | 53,000 | $239K |
| Axq Capital, LP | 0.03% | Add +200.1% | 52,973 | $238K |
| ADAR1 Capital Management, LLC | 0.01% | Reduce -71.6% | 52,745 | $237K |
| Virtu Financial LLC | 0.01% | New | 51,791 | $233K |
| Vanguard Global Advisers, LLC | 0.00% | — | 51,045 | $230K |
| Bank of America Corp. | 0.00% | Add +17.0% | 47,359 | $213K |
| EntryPoint Capital, LLC | 0.06% | Reduce -16.6% | 44,479 | $200K |
| Inceptionr LLC | 0.05% | New | 44,006 | $198K |
| Persistent Asset Partners Ltd | 0.07% | New | 42,124 | $190K |
| Next Level Private LLC | 0.04% | No change | 41,700 | $188K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -62.9% | 41,216 | $185K |
| HighTower Advisors, LLC | 0.00% | New | 38,465 | $173K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -38.3% | 38,090 | $171K |
| Citigroup Inc. | 0.00% | Add +456.5% | 36,107 | $162K |
| Journey Strategic Wealth LLC | 0.00% | Add +0.1% | 35,883 | $161K |
| Ethic Inc. | 0.00% | Reduce -47.9% | 35,451 | $160K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +110.1% | 32,799 | $157K |
| T. Rowe Price Associates Inc. | 0.00% | Add +19.9% | 34,768 | $157K |
| Graham Capital Management, L.P. | 0.01% | Reduce -18.5% | 34,438 | $155K |
| J. Goldman & Co LP | 0.01% | Reduce -16.6% | 33,756 | $152K |
| Velan Capital Investment Management LP | 0.09% | No change | 33,000 | $149K |
| Prudential Financial Inc. | 0.00% | New | 32,793 | $148K |
| Mariner, LLC | 0.00% | New | 31,645 | $142K |
| Caitong International Asset Management Co., Ltd | 0.03% | Add +2538.6% | 31,347 | $141K |
| XTX Topco Ltd | 0.00% | Reduce -74.0% | 30,884 | $139K |
| UBS Group AG | 0.00% | Reduce -74.1% | 29,699 | $134K |
| Fi3 FINANCIAL ADVISORS, LLC | 0.04% | Add +0.6% | 29,493 | $133K |
| State of Wisconsin Investment Board | 0.00% | New | 28,796 | $130K |
| MetLife Investment Management, LLC | 0.00% | Add +96.1% | 26,668 | $120K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -92.3% | 26,445 | $119K |
| Commonwealth Equity Services, LLC | 0.00% | Add +8.5% | 24,782 | $112K |
| Mirabella Financial Services LLP | 0.01% | New | 24,565 | $111K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 24,009 | $108K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.4% | 23,091 | $104K |
| Headlands Technologies LLC | 0.01% | New | 22,925 | $103K |
| STRS Ohio | 0.00% | Add +174.7% | 21,700 | $98K |
| Fred Alger Management, LLC | 0.00% | New | 21,267 | $96K |
| Wells Fargo & Company | 0.00% | Reduce -64.5% | 20,228 | $91K |
"% of holder's portfolio" is LRMR's weight in each manager's 13F, not the share of Larimar Therapeutics Inc. the manager owns.