Larimar TherapeuticsLRMR
13F holders, Q2 2026 (June 30)163holders +1
31new positions
29sold out
5famous investors
$3.07avg. 13F price*
At the end of Q2 2026, 163 institutions reported holding Larimar Therapeutics Inc. (LRMR) in their 13F filings, up 1 from Q1 2026. 31 opened new positions and 29 sold out. The largest holders were Deerfield Management Company, L.P. ($108.6M), Blue Owl Capital Holdings LP ($27.9M) and BlackRock, Inc. ($17.3M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Larimar Therapeutics Inc.
- CUSIP
- 517125100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $18.1M |
| Exits | 29 | $28.2M |
All 13F filers, Q1 2026 → Q2 2026: 21,378,000 shares bought and 13,584,495 shares sold, net +7,793,505 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 163 holders
| Deerfield Management Company, L.P. | 1.35% | No change | 35,606,974 | $108.6M |
| Blue Owl Capital Holdings LP | 4.26% | Add +28.7% | 9,163,157 | $27.9M |
| BlackRock, Inc. | 0.00% | Add +51.3% | 5,678,035 | $17.3M |
| Defilade Capital Management, L.P. | 1.50% | New | 3,670,135 | $11.2M |
| Driehaus Capital Management LLC | 0.06% | Add +7.8% | 3,163,423 | $9.6M |
| Vanguard Capital Management LLC | 0.00% | Add +3.8% | 2,974,901 | $9.1M |
| RTW Investments, LP | 0.07% | Add +71.1% | 2,565,999 | $7.8M |
| AQR Capital Management | 0.00% | Add +190.1% | 2,371,414 | $7.2M |
| Marshall Wace, LLP | 0.01% | Add +115.6% | 2,012,458 | $6.1M |
| DAFNA Capital Management LLC | 1.17% | Reduce -1.0% | 2,008,164 | $6.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +12.3% | 1,752,910 | $5.3M |
| Geode Capital Management, LLC | 0.00% | Add +51.4% | 1,679,003 | $5.1M |
| Qube Research & Technologies Ltd | 0.01% | Add +93.6% | 1,641,042 | $5.0M |
| Citadel Advisors | 0.00% | Add +180.6% | 1,456,825 | $4.4M |
| State Street Corp. | 0.00% | Add +54.9% | 1,411,804 | $4.3M |
| Vanguard Portfolio Management LLC | 0.00% | Add +245.1% | 1,403,172 | $4.3M |
| Woodline Partners LP | 0.01% | No change | 1,400,850 | $4.3M |
| Millennium Management | 0.00% | Reduce -63.2% | 1,333,037 | $4.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +20.4% | 961,083 | $2.9M |
| FMR LLC | 0.00% | Add +1374.5% | 937,368 | $2.9M |
| Sphera Funds Management LTD. | 0.40% | New | 926,004 | $2.8M |
| Nuveen, LLC | 0.00% | Add +32.6% | 895,304 | $2.7M |
| Alyeska Investment Group, L.P. | 0.00% | No change | 617,211 | $1.9M |
| Northern Trust Corp. | 0.00% | Add +46.1% | 550,266 | $1.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +54.7% | 448,168 | $1.4M |
| Fi3 FINANCIAL ADVISORS, LLC | 0.30% | Reduce -90.1% | 2,915 | $1.3M |
| Los Angeles Capital Management LLC | 0.00% | Add +2117.0% | 399,542 | $1.2M |
| Hennion & Walsh Asset Management, Inc. | 0.03% | New | 396,726 | $1.2M |
| SummitTX Capital, L.P. | 0.03% | Reduce -7.2% | 352,284 | $1.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -1.1% | 328,015 | $1.0M |
| Gem Investment Advisors, LLC | 0.60% | Reduce -62.6% | 319,519 | $975K |
| Burkehill Global Management, LP | 0.03% | No change | 300,000 | $915K |
| Renaissance Technologies | 0.00% | Reduce -59.8% | 297,443 | $907K |
| ADAR1 Capital Management, LLC | 0.04% | Add +417.1% | 272,745 | $832K |
| Cerity Partners LLC | 0.00% | Add +9.6% | 271,582 | $828K |
| Two Sigma Investments, LP | 0.00% | Reduce -50.4% | 236,133 | $720K |
| Seven Fleet Capital Management LP | 0.12% | Reduce -10.0% | 230,921 | $704K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +42.4% | 206,969 | $631K |
| Ieq Capital, LLC | 0.00% | Add +78.3% | 203,363 | $620K |
| Caption Management, LLC | 0.02% | Reduce -69.6% | 193,018 | $589K |
| Soleus Capital Management, L.P. | 0.02% | Reduce -82.4% | 188,102 | $574K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +0.8% | 170,575 | $520K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | New | 165,156 | $504K |
| Alliancebernstein L.P. | 0.00% | Add +45.2% | 108,220 | $487K |
| Diadema Partners LP | 0.17% | Reduce -12.0% | 146,637 | $447K |
| Susquehanna International Group, LLP | 0.00% | Add +3.1% | 144,428 | $441K |
| UBS Group AG | 0.00% | Add +386.0% | 144,326 | $440K |
| Bank of New York Mellon Corp | 0.00% | Add +29.4% | 138,831 | $423K |
| State of Wisconsin Investment Board | 0.00% | Add +379.9% | 138,196 | $421K |
| Jump Financial, LLC | 0.00% | Reduce -54.8% | 135,601 | $414K |
| Point72 Asset Management | 0.00% | Reduce -87.1% | 134,806 | $411K |
| Invesco Ltd. | 0.00% | Add +584.5% | 134,483 | $410K |
| Prudential Financial Inc. | 0.00% | Add +291.6% | 128,423 | $392K |
| Creative Planning | 0.00% | Add +79.6% | 116,801 | $356K |
| Mariner, LLC | 0.00% | Add +261.6% | 114,445 | $349K |
| Squarepoint Ops LLC | 0.00% | New | 113,474 | $346K |
| Man Group plc | 0.00% | New | 113,049 | $345K |
| Deutsche Bank AG | 0.00% | Add +3.5% | 96,423 | $294K |
| Federated Hermes, Inc. | 0.00% | Add +48.1% | 90,850 | $277K |
| ExodusPoint Capital Management, LP | 0.00% | Add +241.9% | 90,413 | $276K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +94.2% | 63,680 | $273K |
| Morgan Stanley | 0.00% | Reduce -79.4% | 86,858 | $265K |
| Cary Street Partners Financial LLC | 0.01% | New | 85,000 | $259K |
| Jane Street Group, LLC | 0.00% | Reduce -86.7% | 73,736 | $225K |
| Rhumbline Advisers | 0.00% | Add +14.7% | 71,888 | $219K |
| Mercer Global Advisors Inc. | 0.00% | Add +303.5% | 68,934 | $210K |
| Quantbot Technologies LP | 0.01% | Add +20676.7% | 68,771 | $210K |
| Wells Fargo & Company | 0.00% | Add +207.0% | 62,103 | $189K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -13.5% | 59,788 | $182K |
| Canada Pension Plan Investment Board | 0.00% | No change | 59,700 | $182K |
| Simplex Trading, LLC | 0.00% | New | 58,608 | $179K |
| Acadian Asset Management LLC | 0.00% | Reduce -3.4% | 57,443 | $173K |
| XTX Topco Ltd | 0.00% | Add +78.8% | 55,209 | $168K |
| T. Rowe Price Associates Inc. | 0.00% | Add +57.1% | 54,629 | $167K |
| Cibc World Market Inc. | 0.00% | No change | 53,000 | $162K |
| WINTON GROUP Ltd | 0.01% | New | 52,400 | $160K |
| Gsa Capital Partners LLP | 0.01% | New | 50,078 | $153K |
| Bank of America Corp. | 0.00% | Add +0.5% | 47,603 | $145K |
| Pale Fire Capital SE | 0.01% | New | 43,000 | $131K |
| Next Level Private LLC | 0.02% | No change | 41,700 | $127K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 41,216 | $126K |
| MetLife Investment Management, LLC | 0.00% | Add +49.2% | 39,798 | $121K |
| HighTower Advisors, LLC | 0.00% | Reduce -2.0% | 37,698 | $115K |
| Persistent Asset Partners Ltd | 0.04% | Reduce -11.3% | 37,374 | $114K |
| Citigroup Inc. | 0.00% | Reduce -1.3% | 35,636 | $109K |
| Velan Capital Investment Management LP | 0.06% | No change | 33,000 | $101K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +32.7% | 30,652 | $93K |
| Russell Investments Group, Ltd. | 0.00% | Add +662.4% | 27,364 | $83K |
| STRS Ohio | 0.00% | Add +22.1% | 26,500 | $81K |
| American Century Companies Inc. | 0.00% | Reduce -65.9% | 26,467 | $81K |
| Barclays PLC | 0.00% | Add +58.5% | 25,957 | $79K |
| Captrust Financial Advisors | 0.00% | New | 25,211 | $77K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -6.9% | 23,067 | $70K |
| Corient Private Wealth LP | 0.00% | New | 22,675 | $69K |
| Engineers Gate Manager LP | 0.00% | New | 22,557 | $69K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -58.8% | 21,047 | $64K |
| Walleye Trading LLC | 0.00% | No change | 20,000 | $61K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +45.2% | 19,520 | $60K |
| Brevan Howard Capital Management LP | 0.00% | New | 19,504 | $59K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +66.5% | 18,549 | $57K |
"% of holder's portfolio" is LRMR's weight in each manager's 13F, not the share of Larimar Therapeutics Inc. the manager owns.