LRMR Larimar Therapeutics, Inc.: institutional ownership and insider trading
172 funds reported holding $312M of Larimar Therapeutics, Inc. in their latest 13F filings; in Q2 2026 funds net bought $24.9M, with 31 new positions and 29 funds selling out; over the last 12 months insiders bought $25.7M and sold $0 on the open market.
LRMR revenue and earnings
- Quarter ended Jun 30, 2026: revenue n/a, net income −$32.8M
- Quarter ended Mar 31, 2026: revenue n/a, net income −$29.6M
- Quarter ended Dec 31, 2025: revenue n/a, net income −$62.5M
- Quarter ended Sep 30, 2025: revenue n/a, net income −$47.7M, EPS -0.61
Famous investors holding LRMR
- Ken Griffin (Citadel Advisors): $5.24M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $4.07M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $907K, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $720K, 0.0% of the portfolio
Largest institutional holders of LRMR
- DEERFIELD MANAGEMENT COMPANY, L.P. — $109M
- Blue Owl Capital Holdings LP — $27.9M
- BlackRock, Inc. (BLK) — $17.3M
- VANGUARD GROUP INC — $11.6M
- Defilade Capital Management, L.P. — $11.2M
- DRIEHAUS CAPITAL MANAGEMENT LLC — $9.65M
- VANGUARD CAPITAL MANAGEMENT LLC — $9.07M
- RTW INVESTMENTS, LP — $7.83M
- AQR CAPITAL MANAGEMENT LLC — $7.23M
- MARSHALL WACE, LLP — $6.14M
Recent LRMR insider trades
- Jul 6, 2026: Hamilton Thomas Edward bought 50,000 shares ($167K)
- Feb 27, 2026: Hamilton Thomas Edward bought 100,000 shares ($500K)
- Feb 27, 2026: Thomas Frank E bought 5,000 shares ($25.0K)
- Feb 27, 2026: Sherman Jeffrey W bought 5,000 shares ($25.0K)
5%+ owners
- Blue Owl Capital Holdings LP: 10.0% (Schedule 13G/A, filed May 14, 2026)
Who owns the most LRMR stock?
The largest institutional holders of Larimar Therapeutics, Inc. in the latest 13F filings are DEERFIELD MANAGEMENT COMPANY, L.P. ($109M), Blue Owl Capital Holdings LP ($27.9M), BlackRock, Inc. (BLK) ($17.3M).
Are insiders buying or selling LRMR?
Over the last 12 months insiders bought $25.7M and sold $0 of Larimar Therapeutics, Inc. stock on the open market (SEC Form 4).
Which famous investors own LRMR?
Ken Griffin, Izzy Englander, Renaissance Technologies, Two Sigma.
Which ETFs hold LRMR?
1 ETFs and mutual funds hold it among their top 100 positions, including IBRN.