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, Q3 2025
Institutional positions in Larimar Therapeutics, Inc. as of Sep 30, 2025. 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
- 136
- +21 vs. Q2 2025
- Shares held
- 85.5M
- +23.4M (+37.7%) vs. Q2 2025
- Total value
- $274.8M
- +$95.4M (+53.2%) vs. Q2 2025
- New holders
- 30
- 60 more added
- Sold out
- 9
- 26 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Larimar Therapeutics, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deerfield Management Company, L.P. (Series C) | 30,606,974 | $98.9M | 1.52% | +9,375,000+44.2% | Added |
| Ra Capital Management, L.P. | 6,045,351 | $19.5M | 0.24% | 00.0% | Unchanged |
| Blue Owl Capital Holdings LP | 5,853,040 | $18.9M | 5.87% | +925,000+18.8% | Added |
| Millennium Management LLC | 4,896,831 | $15.8M | 0.01% | +1,241,642+34.0% | Added |
| BlackRock, Inc. | 3,339,192 | $10.8M | 0.00% | +299,212+9.8% | Added |
| Opaleye Management Inc. | 3,720,867 | $10.6M | 1.49% | −389,133−9.5% | Reduced |
| RTW Investments, LP | 3,125,000 | $10.1M | 0.12% | +3,125,000 | New |
| Vanguard Group Inc | 3,087,840 | $9.97M | 0.00% | +945,809+44.2% | Added |
| Adage Capital Partners GP, L.L.C. | 1,900,000 | $6.14M | 0.01% | +1,900,000 | New |
| Alyeska Investment Group, L.P. | 1,887,169 | $6.10M | 0.02% | −188,713−9.1% | Reduced |
| Woodline Partners LP | 1,622,850 | $5.24M | 0.02% | +1,000,168+160.6% | Added |
| Goldman Sachs Group Inc | 1,575,001 | $5.09M | 0.00% | +1,443,379+1,096.6% | Added |
| Citadel Advisors LLC | 1,477,506 | $4.77M | 0.00% | +141,251+10.6% | Added |
| Caption Management, LLC | 1,312,352 | $4.24M | 0.25% | +623,062+90.4% | Added |
| Point72 Asset Management, L.P. | 1,223,866 | $3.95M | 0.01% | +1,223,866 | New |
| DAFNA Capital Management LLC | 1,027,764 | $3.32M | 0.82% | +656,330+176.7% | Added |
| Geode Capital Management, LLC | 1,022,527 | $3.30M | 0.00% | +118,102+13.1% | Added |
| AIGH Capital Management LLC | 1,000,000 | $3.23M | 1.13% | +1,000,000 | New |
| State Street Corp | 891,869 | $2.88M | 0.00% | +32,901+3.8% | Added |
| Renaissance Technologies LLC | 858,642 | $2.77M | 0.00% | +296,900+52.9% | Added |
| Verition Fund Management LLC | 567,683 | $1.83M | 0.01% | 00.0% | Unchanged |
| AQR Capital Management LLC | 562,403 | $1.82M | 0.00% | +133,915+31.3% | Added |
| Driehaus Capital Management LLC | 535,464 | $1.73M | 0.01% | 00.0% | Unchanged |
| Mangrove Partners | 442,236 | $1.43M | 0.12% | −327,997−42.6% | Reduced |
| Jane Street Group, LLC | 422,712 | $1.37M | 0.00% | +412,179+3,913.2% | Added |
| Hudson Bay Capital Management LP | 403,449 | $1.30M | 0.01% | +174,688+76.4% | Added |
| Northern Trust Corp | 378,307 | $1.22M | 0.00% | +34,326+10.0% | Added |
| Balyasny Asset Management LLC | 286,533 | $925.5K | 0.00% | +286,533 | New |
| HAP Trading, LLC | 262,776 | $848.8K | 0.23% | +262,776 | New |
| Sphera Funds Management Ltd. | 260,385 | $841.0K | 0.20% | +63,750+32.4% | Added |
| UBS Group AG | 257,999 | $833.3K | 0.00% | +149,662+138.1% | Added |
| Two Sigma Advisers, LP | 252,371 | $815.2K | 0.00% | −894,553−78.0% | Reduced |
| Cerity Partners LLC | 239,146 | $772.4K | 0.00% | +18,945+8.6% | Added |
| ADAR1 Capital Management, LLC | 235,689 | $761.3K | 0.08% | −1,916−0.8% | Reduced |
| Simplex Trading, LLC | 215,462 | $695.0K | 0.02% | +75,038+53.4% | Added |
| J. Goldman & Co LP | 203,724 | $658.0K | 0.02% | +203,724 | New |
| ExodusPoint Capital Management, LP | 162,821 | $525.9K | 0.01% | +162,821 | New |
| Cubist Systematic Strategies, LLC | 162,159 | $523.8K | 0.01% | +162,159 | New |
| Charles Schwab Investment Management Inc | 162,113 | $523.6K | 0.00% | +50,713+45.5% | Added |
| Marex Group plc | 141,000 | $455.4K | 0.01% | +141,000 | New |
| Two Sigma Investments, LP | 134,729 | $435.2K | 0.00% | −768,882−85.1% | Reduced |
| Group One Trading, L.P. | 133,701 | $431.9K | 0.01% | +85,476+177.2% | Added |
| Cantor Fitzgerald, L. P. | 127,500 | $411.8K | 0.01% | +127,500 | New |
| Massar Capital Management, LP | 117,000 | $377.9K | 0.14% | +65,444+126.9% | Added |
| Bank of New York Mellon Corp | 111,040 | $358.7K | 0.00% | +11,151+11.2% | Added |
| Nuveen, LLC | 105,182 | $339.7K | 0.00% | −121,820−53.7% | Reduced |
| Virtu Financial LLC | 102,680 | $332.0K | 0.02% | +55,920+119.6% | Added |
| Morgan Stanley | 93,003 | $300.4K | 0.00% | −76,035−45.0% | Reduced |
| American Century Companies Inc | 91,179 | $294.5K | 0.00% | +21,894+31.6% | Added |
| Gsa Capital Partners LLP | 81,406 | $263.0K | 0.02% | −18,516−18.5% | Reduced |
| Bridgeway Capital Management, LLC | 78,216 | $252.6K | 0.01% | −25,000−24.2% | Reduced |
| Ethic Inc. | 75,397 | $243.5K | 0.00% | +13,674+22.2% | Added |
| Alliancebernstein L.P. | 74,530 | $240.7K | 0.00% | +12,150+19.5% | Added |
| Susquehanna International Group, LLP | 71,423 | $230.7K | 0.00% | −178,872−71.5% | Reduced |
| Barclays PLC | 70,893 | $229.0K | 0.00% | −13,967−16.5% | Reduced |
| Rhumbline Advisers | 68,871 | $222.4K | 0.00% | +1,513+2.2% | Added |
| Royal Bank of Canada | 68,378 | $220.0K | 0.00% | −32,519−32.2% | Reduced |
| Ieq Capital, LLC | 64,863 | $209.5K | 0.00% | +7,602+13.3% | Added |
| Creative Planning | 64,279 | $207.6K | 0.00% | +64,279 | New |
| Next Level Private LLC | 41,700 | $200.6K | 0.06% | +21,700+108.5% | Added |
| Dimensional Fund Advisors LP | 56,257 | $181.7K | 0.00% | +24,903+79.4% | Added |
| Deutsche Bank AG | 55,001 | $177.7K | 0.00% | +15,970+40.9% | Added |
| Walleye Capital LLC | 54,400 | $175.7K | 0.00% | +54,400 | New |
| XTX Topco Ltd | 52,369 | $169.2K | 0.01% | −115,035−68.7% | Reduced |
| Monimus Capital Management, LP | 49,073 | $158.5K | 0.12% | −97,211−66.5% | Reduced |
| Pale Fire Capital SE | 45,218 | $146.1K | 0.02% | +7,700+20.5% | Added |
| Wells Fargo & Company | 38,440 | $124.2K | 0.00% | +8,881+30.0% | Added |
| Prudential Financial Inc | 38,091 | $123.0K | 0.00% | +38,091 | New |
| Axq Capital, LP | 37,771 | $122.0K | 0.05% | +17,918+90.3% | Added |
| CWM, LLC | 36,013 | $116.0K | 0.00% | +3,361+10.3% | Added |
| Journey Strategic Wealth LLC | 35,856 | $115.8K | 0.00% | +161+0.5% | Added |
| Velan Capital Investment Management LP | 33,000 | $106.6K | 0.10% | 00.0% | Unchanged |
| Fi3 FINANCIAL ADVISORS, LLC | 29,240 | $94.4K | 0.03% | +5,068+21.0% | Added |
| Bank of America Corp | 28,147 | $90.9K | 0.00% | −20,430−42.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 18,248 | $86.1K | 0.00% | +4,619+33.9% | Added |
| MetLife Investment Management | 25,707 | $83.0K | 0.00% | −652−2.5% | Reduced |
| JPMorgan Chase & Co | 25,261 | $81.6K | 0.00% | −30,387−54.6% | Reduced |
| Walleye Trading LLC | 25,000 | $80.8K | 0.00% | 00.0% | Unchanged |
| Stonepine Capital Management, LLC | 25,000 | $80.8K | 0.07% | +25,000 | New |
| Price T Rowe Associates Inc | 22,970 | $75.0K | 0.00% | +1,669+7.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 21,843 | $70.6K | 0.00% | −2,274−9.4% | Reduced |
| Intech Investment Management LLC | 21,220 | $68.5K | 0.00% | −4,743−18.3% | Reduced |
| Quadrature Capital Ltd | 19,515 | $62.9K | 0.00% | +19,515 | New |
| Ellevest, Inc. | 18,828 | $60.8K | 0.01% | +18,828 | New |
| Invesco Ltd. | 17,757 | $57.4K | 0.00% | +2,553+16.8% | Added |
| Coldstream Capital Management Inc | 17,533 | $56.6K | 0.00% | +17,533 | New |
| Manufacturers Life Insurance Company, The | 15,550 | $50.2K | 0.00% | −615−3.8% | Reduced |
| China Universal Asset Management Co., Ltd. | 15,003 | $48.5K | 0.00% | +2,143+16.7% | Added |
| FMR LLC | 14,353 | $46.4K | 0.00% | +523+3.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 13,726 | $44.3K | 0.00% | +4,644+51.1% | Added |
| Cherry Tree Wealth Management, LLC | 13,264 | $42.8K | 0.01% | +2,646+24.9% | Added |
| B.O.S.S. Retirement Advisors, LLC | 12,719 | $41.1K | 0.01% | +12,719 | New |
| ProShare Advisors LLC | 11,088 | $35.8K | 0.00% | +18+0.2% | Added |
| SRS Capital Advisors, Inc. | 10,925 | $35.3K | 0.00% | +10,925 | New |
| Prelude Capital Management, LLC | 10,867 | $35.1K | 0.00% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 10,776 | $34.8K | 0.00% | +10,776 | New |
| SEI Investments Co | 10,573 | $34.2K | 0.00% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 10,157 | $32.8K | 0.00% | +10,157 | New |
| BNP Paribas Arbitrage, SA | 10,146 | $32.8K | 0.00% | +4,376+75.8% | Added |
| Oppenheimer & Co Inc | 10,000 | $32.3K | 0.00% | 00.0% | Unchanged |