Larimar Therapeutics, Inc.
LRMR- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001374690
In the last 90 days, Larimar Therapeutics, Inc. insiders filed 1 open-market purchase and 0 sales; 163 institutions reported holding it in 13F filings for Q2 2026, worth $291.4M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Larimar Therapeutics, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 162
- +28 vs. Q4 2025
- Shares held
- 87.8M
- +18.1M (+26.0%) vs. Q4 2025
- Total value
- $394.8M
- +$129.4M (+48.8%) vs. Q4 2025
- New holders
- 43
- 59 more added
- Sold out
- 15
- 41 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting LRMR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 163 | $291.4M |
| Q1 2026 | 162 | $394.8M |
| Q4 2025 | 136 | $277.0M |
| Q3 2025 | 136 | $274.8M |
| Q2 2025 | 116 | $180.1M |
| Q1 2025 | 103 | $131.9M |
| Q4 2024 | 116 | $245.5M |
| Q3 2024 | 123 | $421.3M |
| Q2 2024 | 107 | $473.5M |
| Q1 2024 | 104 | $482.8M |
| Q4 2023 | 69 | $179.6M |
| Q3 2023 | 65 | $153.0M |
| Q2 2023 | 65 | $120.2M |
| Q1 2023 | 69 | $174.2M |
| Q4 2022 | 48 | $160.1M |
| Q3 2022 | 59 | $123.9M |
| Q2 2022 | 40 | $28.2M |
| Q1 2022 | 45 | $61.8M |
| Q4 2021 | 49 | $157.2M |
| Q3 2021 | 54 | $167.5M |
| Q2 2021 | 45 | $142.8M |
| Q1 2021 | 57 | $206.1M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Larimar Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deerfield Management Company, L.P. (Series C) | 35,606,974 | $160.2M | 1.89% | +5,000,000+16.3% | Added |
| Blue Owl Capital Holdings LP | 7,120,007 | $32.0M | 8.61% | +296,317+4.3% | Added |
| BlackRock, Inc. | 3,752,200 | $16.9M | 0.00% | +70,597+1.9% | Added |
| Millennium Management LLC | 3,625,278 | $16.3M | 0.01% | −1,581,086−30.4% | Reduced |
| AIGH Capital Management LLC | 3,000,000 | $13.5M | 2.76% | +1,000,000+50.0% | Added |
| Driehaus Capital Management LLC | 2,934,399 | $13.2M | 0.10% | +2,398,935+448.0% | Added |
| Vanguard Capital Management LLC | 2,866,349 | $12.9M | 0.00% | +2,866,349 | New |
| DAFNA Capital Management LLC | 2,029,164 | $9.13M | 2.08% | +1,090,000+116.1% | Added |
| Goldman Sachs Group Inc | 1,561,585 | $7.03M | 0.00% | +214,370+15.9% | Added |
| RTW Investments, LP | 1,500,000 | $6.75M | 0.07% | −1,625,000−52.0% | Reduced |
| Deep Track Capital, LP | 1,500,000 | $6.75M | 0.14% | +1,500,000 | New |
| Woodline Partners LP | 1,400,850 | $6.30M | 0.02% | +600,000+74.9% | Added |
| Geode Capital Management, LLC | 1,108,761 | $4.99M | 0.00% | +15,438+1.4% | Added |
| Soleus Capital Management, L.P. | 1,066,960 | $4.80M | 0.19% | +1,066,960 | New |
| Point72 Asset Management, L.P. | 1,047,385 | $4.71M | 0.01% | −413,643−28.3% | Reduced |
| Marshall Wace, LLP | 933,464 | $4.20M | 0.00% | +933,464 | New |
| State Street Corp | 911,326 | $4.10M | 0.00% | −599−0.1% | Reduced |
| Gem Investment Advisors, LLC | 854,230 | $3.84M | 3.78% | +573,370+204.1% | Added |
| Qube Research & Technologies Ltd | 847,644 | $3.81M | 0.01% | +847,644 | New |
| AQR Capital Management LLC | 817,517 | $3.68M | 0.00% | +315,266+62.8% | Added |
| Dimensional Fund Advisors LP | 798,462 | $3.59M | 0.00% | +470,968+143.8% | Added |
| Renaissance Technologies LLC | 739,942 | $3.33M | 0.01% | +442,676+148.9% | Added |
| Nuveen, LLC | 674,915 | $3.04M | 0.00% | +569,733+541.7% | Added |
| Caption Management, LLC | 635,024 | $2.86M | 0.14% | +219,730+52.9% | Added |
| Alyeska Investment Group, L.P. | 617,211 | $2.78M | 0.01% | −310,610−33.5% | Reduced |
| D. E. Shaw & Co., Inc. | 575,624 | $2.59M | 0.00% | +138,225+31.6% | Added |
| Jane Street Group, LLC | 554,007 | $2.49M | 0.00% | −124,935−18.4% | Reduced |
| Citadel Advisors LLC | 519,132 | $2.34M | 0.00% | −847,618−62.0% | Reduced |
| Two Sigma Investments, LP | 475,612 | $2.14M | 0.00% | +180,429+61.1% | Added |
| Morgan Stanley | 420,813 | $1.89M | 0.00% | +284,830+209.5% | Added |
| Vanguard Portfolio Management LLC | 406,558 | $1.83M | 0.00% | +406,558 | New |
| SummitTX Capital, L.P. | 379,765 | $1.71M | 0.05% | +379,765 | New |
| Northern Trust Corp | 376,503 | $1.69M | 0.00% | +19,728+5.5% | Added |
| JPMorgan Chase & Co | 331,818 | $1.43M | 0.00% | +306,954+1,234.5% | Added |
| Adage Capital Partners GP, L.L.C. | 300,000 | $1.35M | 0.00% | +300,000 | New |
| Burkehill Global Management, LP | 300,000 | $1.35M | 0.07% | +300,000 | New |
| Jump Financial, LLC | 299,700 | $1.35M | 0.02% | +203,626+211.9% | Added |
| Hudson Bay Capital Management LP | 292,250 | $1.32M | 0.01% | +292,250 | New |
| Vanguard Fiduciary Trust Co | 289,632 | $1.30M | 0.00% | +289,632 | New |
| Seven Fleet Capital Management LP | 256,585 | $1.15M | 0.36% | +256,585 | New |
| Cerity Partners LLC | 247,912 | $1.12M | 0.00% | +13,175+5.6% | Added |
| Jacobs Levy Equity Management, Inc | 169,144 | $761.1K | 0.00% | +169,144 | New |
| Diadema Partners LP | 166,637 | $749.9K | 0.31% | +166,637 | New |
| Charles Schwab Investment Management Inc | 145,342 | $654.0K | 0.00% | −16,771−10.3% | Reduced |
| Susquehanna International Group, LLP | 140,060 | $630.3K | 0.00% | −112,723−44.6% | Reduced |
| Wellington Management Group LLP | 136,530 | $614.4K | 0.00% | +136,530 | New |
| Seven Grand Managers, LLC | 125,000 | $562.5K | 0.04% | +125,000 | New |
| HRT Financial LP | 121,885 | $548.0K | 0.00% | +121,885 | New |
| Ieq Capital, LLC | 114,038 | $513.2K | 0.00% | +64,888+132.0% | Added |
| Bank of New York Mellon Corp | 107,331 | $483.0K | 0.00% | −8,597−7.4% | Reduced |
| Deutsche Bank AG | 93,132 | $419.1K | 0.00% | +58,742+170.8% | Added |
| Marex Group plc | 82,000 | $369.0K | 0.00% | −230,000−73.7% | Reduced |
| American Century Companies Inc | 77,636 | $349.4K | 0.00% | +2,095+2.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 69,087 | $310.9K | 0.00% | +48,017+227.9% | Added |
| Creative Planning | 65,037 | $292.7K | 0.00% | +29,419+82.6% | Added |
| CWM, LLC | 64,126 | $288.6K | 0.00% | +31,495+96.5% | Added |
| FMR LLC | 63,570 | $286.1K | 0.00% | +50,690+393.6% | Added |
| Alliancebernstein L.P. | 74,530 | $284.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 62,685 | $282.1K | 0.00% | −880−1.4% | Reduced |
| Federated Hermes, Inc. | 61,350 | $276.1K | 0.00% | −297,557−82.9% | Reduced |
| Canada Pension Plan Investment Board | 59,700 | $268.6K | 0.00% | −34,300−36.5% | Reduced |
| Acadian Asset Management LLC | 59,481 | $265.0K | 0.00% | −5,189−8.0% | Reduced |
| CIBC World Markets Inc. | 53,000 | $238.5K | 0.00% | +53,000 | New |
| Axq Capital, LP | 52,973 | $238.4K | 0.03% | +35,318+200.0% | Added |
| ADAR1 Capital Management, LLC | 52,745 | $237.4K | 0.01% | −132,944−71.6% | Reduced |
| Virtu Financial LLC | 51,791 | $233.0K | 0.01% | +51,791 | New |
| Vanguard Global Advisers, LLC | 51,045 | $229.7K | 0.00% | +51,045 | New |
| Bank of America Corp | 47,359 | $213.1K | 0.00% | +6,886+17.0% | Added |
| EntryPoint Capital, LLC | 44,479 | $200.2K | 0.06% | −8,842−16.6% | Reduced |
| Inceptionr LLC | 44,006 | $198.0K | 0.05% | +44,006 | New |
| Persistent Asset Partners Ltd | 42,124 | $189.6K | 0.07% | +42,124 | New |
| Next Level Private LLC | 41,700 | $187.7K | 0.04% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 41,216 | $185.5K | 0.00% | −70,000−62.9% | Reduced |
| HighTower Advisors, LLC | 38,465 | $173.1K | 0.00% | +38,465 | New |
| Schonfeld Strategic Advisors LLC | 38,090 | $171.4K | 0.00% | −23,669−38.3% | Reduced |
| Citigroup Inc | 36,107 | $162.5K | 0.00% | +29,619+456.5% | Added |
| Journey Strategic Wealth LLC | 35,883 | $161.5K | 0.00% | +47+0.1% | Added |
| Ethic Inc. | 35,451 | $159.5K | 0.00% | −32,651−47.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 32,799 | $157.1K | 0.00% | +17,185+110.1% | Added |
| Price T Rowe Associates Inc | 34,768 | $157.0K | 0.00% | +5,760+19.9% | Added |
| Graham Capital Management, L.P. | 34,438 | $155.0K | 0.01% | −7,817−18.5% | Reduced |
| J. Goldman & Co LP | 33,756 | $151.9K | 0.01% | −6,744−16.7% | Reduced |
| Velan Capital Investment Management LP | 33,000 | $148.5K | 0.09% | 00.0% | Unchanged |
| Prudential Financial Inc | 32,793 | $147.6K | 0.00% | +32,793 | New |
| Mariner, LLC | 31,645 | $142.4K | 0.00% | +31,645 | New |
| Caitong International Asset Management Co., Ltd | 31,347 | $141.1K | 0.03% | +30,159+2,538.6% | Added |
| XTX Topco Ltd | 30,884 | $139.0K | 0.00% | −88,054−74.0% | Reduced |
| UBS Group AG | 29,699 | $133.6K | 0.00% | −84,881−74.1% | Reduced |
| Fi3 FINANCIAL ADVISORS, LLC | 29,493 | $132.7K | 0.04% | +171+0.6% | Added |
| State of Wisconsin Investment Board | 28,796 | $129.6K | 0.00% | +28,796 | New |
| MetLife Investment Management | 26,668 | $120.0K | 0.00% | +13,071+96.1% | Added |
| ExodusPoint Capital Management, LP | 26,445 | $119.0K | 0.00% | −317,801−92.3% | Reduced |
| Commonwealth Equity Services, LLC | 24,782 | $111.5K | 0.00% | +1,934+8.5% | Added |
| Mirabella Financial Services LLP | 24,565 | $110.5K | 0.01% | +24,565 | New |
| Dynamic Technology Lab Private Ltd | 24,009 | $108.0K | 0.02% | +24,009 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 23,091 | $103.9K | 0.00% | +544+2.4% | Added |
| Headlands Technologies LLC | 22,925 | $103.2K | 0.01% | +22,925 | New |
| STRS Ohio | 21,700 | $97.7K | 0.00% | +13,800+174.7% | Added |
| Fred Alger Management, LLC | 21,267 | $95.7K | 0.00% | +21,267 | New |
| Wells Fargo & Company | 20,228 | $91.0K | 0.00% | −36,669−64.4% | Reduced |