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 |
|---|---|---|---|---|---|
| Acadian Asset Management LLC | 59,481 | $265.0K | 0.00% | −5,189−8.0% | Reduced |
| Canada Pension Plan Investment Board | 59,700 | $268.6K | 0.00% | −34,300−36.5% | Reduced |
| Federated Hermes, Inc. | 61,350 | $276.1K | 0.00% | −297,557−82.9% | Reduced |
| Rhumbline Advisers | 62,685 | $282.1K | 0.00% | −880−1.4% | Reduced |
| Alliancebernstein L.P. | 74,530 | $284.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 63,570 | $286.1K | 0.00% | +50,690+393.6% | Added |
| CWM, LLC | 64,126 | $288.6K | 0.00% | +31,495+96.5% | Added |
| Creative Planning | 65,037 | $292.7K | 0.00% | +29,419+82.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 69,087 | $310.9K | 0.00% | +48,017+227.9% | Added |
| American Century Companies Inc | 77,636 | $349.4K | 0.00% | +2,095+2.8% | Added |
| Marex Group plc | 82,000 | $369.0K | 0.00% | −230,000−73.7% | Reduced |
| Deutsche Bank AG | 93,132 | $419.1K | 0.00% | +58,742+170.8% | Added |
| Bank of New York Mellon Corp | 107,331 | $483.0K | 0.00% | −8,597−7.4% | Reduced |
| Ieq Capital, LLC | 114,038 | $513.2K | 0.00% | +64,888+132.0% | Added |
| HRT Financial LP | 121,885 | $548.0K | 0.00% | +121,885 | New |
| Seven Grand Managers, LLC | 125,000 | $562.5K | 0.04% | +125,000 | New |
| Wellington Management Group LLP | 136,530 | $614.4K | 0.00% | +136,530 | New |
| Susquehanna International Group, LLP | 140,060 | $630.3K | 0.00% | −112,723−44.6% | Reduced |
| Charles Schwab Investment Management Inc | 145,342 | $654.0K | 0.00% | −16,771−10.3% | Reduced |
| Diadema Partners LP | 166,637 | $749.9K | 0.31% | +166,637 | New |
| Jacobs Levy Equity Management, Inc | 169,144 | $761.1K | 0.00% | +169,144 | New |
| Cerity Partners LLC | 247,912 | $1.12M | 0.00% | +13,175+5.6% | Added |
| Seven Fleet Capital Management LP | 256,585 | $1.15M | 0.36% | +256,585 | New |
| Vanguard Fiduciary Trust Co | 289,632 | $1.30M | 0.00% | +289,632 | New |
| Hudson Bay Capital Management LP | 292,250 | $1.32M | 0.01% | +292,250 | New |
| Jump Financial, LLC | 299,700 | $1.35M | 0.02% | +203,626+211.9% | 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 |
| JPMorgan Chase & Co | 331,818 | $1.43M | 0.00% | +306,954+1,234.5% | Added |
| Northern Trust Corp | 376,503 | $1.69M | 0.00% | +19,728+5.5% | Added |
| SummitTX Capital, L.P. | 379,765 | $1.71M | 0.05% | +379,765 | New |
| Vanguard Portfolio Management LLC | 406,558 | $1.83M | 0.00% | +406,558 | New |
| Morgan Stanley | 420,813 | $1.89M | 0.00% | +284,830+209.5% | Added |
| Two Sigma Investments, LP | 475,612 | $2.14M | 0.00% | +180,429+61.1% | Added |
| Citadel Advisors LLC | 519,132 | $2.34M | 0.00% | −847,618−62.0% | Reduced |
| Jane Street Group, LLC | 554,007 | $2.49M | 0.00% | −124,935−18.4% | Reduced |
| D. E. Shaw & Co., Inc. | 575,624 | $2.59M | 0.00% | +138,225+31.6% | Added |
| Alyeska Investment Group, L.P. | 617,211 | $2.78M | 0.01% | −310,610−33.5% | Reduced |
| Caption Management, LLC | 635,024 | $2.86M | 0.14% | +219,730+52.9% | Added |
| Nuveen, LLC | 674,915 | $3.04M | 0.00% | +569,733+541.7% | Added |
| Renaissance Technologies LLC | 739,942 | $3.33M | 0.01% | +442,676+148.9% | Added |
| Dimensional Fund Advisors LP | 798,462 | $3.59M | 0.00% | +470,968+143.8% | Added |
| AQR Capital Management LLC | 817,517 | $3.68M | 0.00% | +315,266+62.8% | Added |
| Qube Research & Technologies Ltd | 847,644 | $3.81M | 0.01% | +847,644 | New |
| Gem Investment Advisors, LLC | 854,230 | $3.84M | 3.78% | +573,370+204.1% | Added |
| State Street Corp | 911,326 | $4.10M | 0.00% | −599−0.1% | Reduced |
| Marshall Wace, LLP | 933,464 | $4.20M | 0.00% | +933,464 | New |
| Point72 Asset Management, L.P. | 1,047,385 | $4.71M | 0.01% | −413,643−28.3% | Reduced |
| Soleus Capital Management, L.P. | 1,066,960 | $4.80M | 0.19% | +1,066,960 | New |
| Geode Capital Management, LLC | 1,108,761 | $4.99M | 0.00% | +15,438+1.4% | Added |
| Woodline Partners LP | 1,400,850 | $6.30M | 0.02% | +600,000+74.9% | 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 |
| Goldman Sachs Group Inc | 1,561,585 | $7.03M | 0.00% | +214,370+15.9% | Added |
| DAFNA Capital Management LLC | 2,029,164 | $9.13M | 2.08% | +1,090,000+116.1% | Added |
| Vanguard Capital Management LLC | 2,866,349 | $12.9M | 0.00% | +2,866,349 | New |
| Driehaus Capital Management LLC | 2,934,399 | $13.2M | 0.10% | +2,398,935+448.0% | Added |
| AIGH Capital Management LLC | 3,000,000 | $13.5M | 2.76% | +1,000,000+50.0% | Added |
| Millennium Management LLC | 3,625,278 | $16.3M | 0.01% | −1,581,086−30.4% | Reduced |
| BlackRock, Inc. | 3,752,200 | $16.9M | 0.00% | +70,597+1.9% | Added |
| Blue Owl Capital Holdings LP | 7,120,007 | $32.0M | 8.61% | +296,317+4.3% | Added |
| Deerfield Management Company, L.P. (Series C) | 35,606,974 | $160.2M | 1.89% | +5,000,000+16.3% | Added |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −567,683−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −102,039−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −89,124−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −57,646−100.0% | Sold out |
| Pale Fire Capital SE | 0 | $0 | 0.00% | −45,218−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −39,225−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −30,522−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −30,416−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −16,334−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,757−100.0% | Sold out |
| Strategic Advocates LLC | 0 | $0 | 0.00% | −2,350−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,527−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −773−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −105−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |