Larimar TherapeuticsLRMR
13F holders, Q3 2025 (September 30)136holders +20
29new positions
9sold out
5famous investors
$3.21avg. 13F price*
At the end of Q3 2025, 136 institutions reported holding Larimar Therapeutics Inc. (LRMR) in their 13F filings, up 20 from Q2 2025. 29 opened new positions and 9 sold out. The largest holders were Deerfield Management Company, L.P. ($98.9M), Ra Capital Management, L.P. ($19.5M) and Blue Owl Capital Holdings LP ($18.9M). 5 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 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $27.9M |
| Exits | 9 | $2.1M |
All 13F filers, Q2 2025 → Q3 2025: 27,248,021 shares bought and 4,084,346 shares sold, net +23,163,675 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 136 holders
| Deerfield Management Company, L.P. | 1.64% | Add +44.2% | 30,606,974 | $98.9M |
| Ra Capital Management, L.P. | 0.24% | No change | 6,045,351 | $19.5M |
| Blue Owl Capital Holdings LP | 5.91% | Add +18.8% | 5,853,040 | $18.9M |
| Millennium Management | 0.01% | Add +34.0% | 4,896,831 | $15.8M |
| BlackRock, Inc. | 0.00% | Add +9.8% | 3,339,192 | $10.8M |
| Opaleye Management Inc. | 1.50% | Reduce -9.5% | 3,720,867 | $10.6M |
| RTW Investments, LP | 0.12% | New | 3,125,000 | $10.1M |
| Vanguard Group Inc. | 0.00% | Add +44.1% | 3,087,840 | $10.0M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | New | 1,900,000 | $6.1M |
| Alyeska Investment Group, L.P. | 0.02% | Reduce -9.1% | 1,887,169 | $6.1M |
| Woodline Partners LP | 0.02% | Add +160.6% | 1,622,850 | $5.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +1096.6% | 1,575,001 | $5.1M |
| Citadel Advisors | 0.00% | Add +10.6% | 1,477,506 | $4.8M |
| Caption Management, LLC | 0.26% | Add +90.4% | 1,312,352 | $4.2M |
| Point72 Asset Management | 0.01% | New | 1,223,866 | $4.0M |
| DAFNA Capital Management LLC | 0.83% | Add +176.7% | 1,027,764 | $3.3M |
| Geode Capital Management, LLC | 0.00% | Add +13.1% | 1,022,527 | $3.3M |
| AIGH Capital Management LLC | 1.13% | New | 1,000,000 | $3.2M |
| State Street Corp. | 0.00% | Add +3.8% | 891,869 | $2.9M |
| Renaissance Technologies | 0.00% | Add +52.9% | 858,642 | $2.8M |
| Verition Fund Management LLC | 0.01% | No change | 567,683 | $1.8M |
| AQR Capital Management | 0.00% | Add +31.3% | 562,403 | $1.8M |
| Driehaus Capital Management LLC | 0.01% | No change | 535,464 | $1.7M |
| Mangrove Partners Im, LLC | 0.12% | Reduce -42.6% | 442,236 | $1.4M |
| Jane Street Group, LLC | 0.00% | Add +3913.2% | 422,712 | $1.4M |
| Hudson Bay Capital Management LP | 0.01% | Add +76.4% | 403,449 | $1.3M |
| Northern Trust Corp. | 0.00% | Add +10.0% | 378,307 | $1.2M |
| Balyasny Asset Management L.P. | 0.00% | New | 286,533 | $926K |
| HAP Trading, LLC | 0.23% | — | 262,776 | $849K |
| Sphera Funds Management LTD. | 0.20% | Add +32.4% | 260,385 | $841K |
| UBS Group AG | 0.00% | Add +138.1% | 257,999 | $833K |
| Two Sigma Advisers, LP | 0.00% | Reduce -78.0% | 252,371 | $815K |
| Cerity Partners LLC | 0.00% | Add +8.6% | 239,146 | $772K |
| ADAR1 Capital Management, LLC | 0.08% | Reduce -0.8% | 235,689 | $761K |
| Simplex Trading, LLC | 0.02% | Add +53.4% | 215,462 | $695K |
| J. Goldman & Co LP | 0.02% | New | 203,724 | $658K |
| ExodusPoint Capital Management, LP | 0.01% | New | 162,821 | $526K |
| Cubist Systematic Strategies, LLC | 0.01% | New | 162,159 | $524K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +45.5% | 162,113 | $524K |
| Marex Group Ltd | 0.01% | New | 141,000 | $455K |
| Two Sigma Investments, LP | 0.00% | Reduce -85.1% | 134,729 | $435K |
| Group One Trading LLC | 0.01% | Add +177.2% | 133,701 | $432K |
| Cantor Fitzgerald, L. P. | 0.01% | New | 127,500 | $412K |
| Massar Capital Management, LP | 0.14% | Add +126.9% | 117,000 | $378K |
| Bank of New York Mellon Corp | 0.00% | Add +11.2% | 111,040 | $359K |
| Nuveen, LLC | 0.00% | Reduce -53.7% | 105,182 | $340K |
| Virtu Financial LLC | 0.02% | Add +119.6% | 102,680 | $332K |
| Morgan Stanley | 0.00% | Reduce -45.0% | 93,003 | $300K |
| American Century Companies Inc. | 0.00% | Add +31.6% | 91,179 | $295K |
| Gsa Capital Partners LLP | 0.02% | Reduce -18.5% | 81,406 | $263K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -24.2% | 78,216 | $253K |
| Ethic Inc. | 0.00% | Add +22.1% | 75,397 | $244K |
| Alliancebernstein L.P. | 0.00% | Add +19.5% | 74,530 | $241K |
| Susquehanna International Group, LLP | 0.00% | Reduce -71.5% | 71,423 | $231K |
| Barclays PLC | 0.00% | Reduce -16.5% | 70,893 | $229K |
| Rhumbline Advisers | 0.00% | Add +2.3% | 68,871 | $222K |
| Royal Bank of Canada | 0.00% | Reduce -32.2% | 68,378 | $220K |
| Ieq Capital, LLC | 0.00% | Add +13.3% | 64,863 | $210K |
| Creative Planning | 0.00% | New | 64,279 | $208K |
| Next Level Private LLC | 0.06% | Add +108.5% | 41,700 | $201K |
| Dimensional Fund Advisors LP | 0.00% | Add +79.4% | 56,257 | $182K |
| Deutsche Bank AG | 0.00% | Add +40.9% | 55,001 | $178K |
| Walleye Capital LLC | 0.00% | New | 54,400 | $176K |
| XTX Topco Ltd | 0.01% | Reduce -68.7% | 52,369 | $169K |
| Monimus Capital Management, LP | 0.12% | Reduce -66.5% | 49,073 | $159K |
| Pale Fire Capital SE | 0.02% | Add +20.5% | 45,218 | $146K |
| Wells Fargo & Company | 0.00% | Add +30.0% | 38,440 | $124K |
| Prudential Financial Inc. | 0.00% | New | 38,091 | $123K |
| Axq Capital, LP | 0.05% | Add +90.3% | 37,771 | $122K |
| Cwm, LLC | 0.00% | Add +10.3% | 36,013 | $116K |
| Journey Strategic Wealth LLC | 0.00% | Add +0.5% | 35,856 | $116K |
| Velan Capital Investment Management LP | 0.10% | No change | 33,000 | $107K |
| Fi3 FINANCIAL ADVISORS, LLC | 0.03% | Add +21.0% | 29,240 | $94K |
| Bank of America Corp. | 0.00% | Reduce -42.1% | 28,147 | $91K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +33.9% | 18,248 | $86K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.5% | 25,707 | $83K |
| JPMorgan Chase & Co. | 0.00% | Reduce -54.6% | 25,261 | $82K |
| Stonepine Capital Management, LLC | 0.07% | New | 25,000 | $81K |
| Walleye Trading LLC | 0.00% | No change | 25,000 | $81K |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.8% | 22,970 | $75K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -9.4% | 21,843 | $71K |
| Intech Investment Management LLC | 0.00% | Reduce -18.3% | 21,220 | $69K |
| Quadrature Capital Ltd | 0.00% | New | 19,515 | $63K |
| Ellevest, Inc. | 0.01% | New | 18,828 | $61K |
| Invesco Ltd. | 0.00% | Add +16.8% | 17,757 | $57K |
| Coldstream Capital Management Inc. | 0.00% | New | 17,533 | $57K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.8% | 15,550 | $50K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +16.7% | 15,003 | $48K |
| FMR LLC | 0.00% | Add +3.8% | 14,353 | $46K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +51.1% | 13,726 | $44K |
| Cherry Tree Wealth Management, LLC | 0.01% | Add +24.9% | 13,264 | $43K |
| B.O.S.S. Retirement Advisors, LLC | 0.01% | New | 12,719 | $41K |
| ProShare Advisors LLC | 0.00% | Add +0.2% | 11,088 | $36K |
| Arax Advisory Partners | 0.00% | New | 10,925 | $35K |
| Prelude Capital Management, LLC | 0.00% | No change | 10,867 | $35K |
| Pallas Capital Advisors LLC | 0.00% | New | 10,776 | $35K |
| Sei Investments Co. | 0.00% | No change | 10,573 | $34K |
| Point72 (DIFC) Ltd | 0.00% | New | 10,157 | $33K |
| BNP Paribas Financial Markets | 0.00% | Add +75.8% | 10,146 | $33K |
| Oppenheimer & Co. Inc. | 0.00% | No change | 10,000 | $32K |
"% of holder's portfolio" is LRMR's weight in each manager's 13F, not the share of Larimar Therapeutics Inc. the manager owns.