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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, Q4 2025

Institutional positions in Larimar Therapeutics, Inc. as of Dec 31, 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
+3 vs. Q3 2025
Shares held
72.7M
−12.4M (−14.5%) vs. Q3 2025
Total value
$277.0M
+$3.61M (+1.3%) vs. Q3 2025
New holders
22
45 more added
Sold out
19
44 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2025: 136 institutions
Q1 2021: 57 institutionsQ2 2021: 45 institutionsQ3 2021: 54 institutionsQ4 2021: 49 institutionsQ1 2022: 45 institutionsQ2 2022: 40 institutionsQ3 2022: 59 institutionsQ4 2022: 48 institutionsQ1 2023: 69 institutionsQ2 2023: 65 institutionsQ3 2023: 65 institutionsQ4 2023: 69 institutionsQ1 2024: 104 institutionsQ2 2024: 107 institutionsQ3 2024: 123 institutionsQ4 2024: 116 institutionsQ1 2025: 103 institutionsQ2 2025: 116 institutionsQ3 2025: 136 institutionsQ4 2025: 136 institutionsQ1 2026: 162 institutionsQ2 2026: 163 institutions
Value heldQ4 2025: $277.0M
Q1 2021: $206.1MQ2 2021: $142.8MQ3 2021: $167.5MQ4 2021: $157.2MQ1 2022: $61.8MQ2 2022: $28.2MQ3 2022: $123.9MQ4 2022: $160.1MQ1 2023: $174.2MQ2 2023: $120.2MQ3 2023: $153.0MQ4 2023: $179.6MQ1 2024: $482.8MQ2 2024: $473.5MQ3 2024: $421.3MQ4 2024: $245.5MQ1 2025: $131.9MQ2 2025: $180.1MQ3 2025: $274.8MQ4 2025: $277.0MQ1 2026: $394.8MQ2 2026: $291.4M
Institutions holding LRMR and their total value by quarter
QuarterHoldersValue
Q2 2026163$291.4M
Q1 2026162$394.8M
Q4 2025136$277.0M
Q3 2025136$274.8M
Q2 2025116$180.1M
Q1 2025103$131.9M
Q4 2024116$245.5M
Q3 2024123$421.3M
Q2 2024107$473.5M
Q1 2024104$482.8M
Q4 202369$179.6M
Q3 202365$153.0M
Q2 202365$120.2M
Q1 202369$174.2M
Q4 202248$160.1M
Q3 202259$123.9M
Q2 202240$28.2M
Q1 202245$61.8M
Q4 202149$157.2M
Q3 202154$167.5M
Q2 202145$142.8M
Q1 202157$206.1M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Larimar Therapeutics, Inc.; share changes are against Q3 2025.

Institutions holding LRMR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Legal & General Group Plc4,854$18.5K0.00%+243+5.3%Added
Solstein Capital, LLC4,477$17.1K0.01%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.4,159$15.8K0.00%+850+25.7%Added
Ameritas Investment Partners, Inc.4,121$15.7K0.00%00.0%Unchanged
Farther Finance Advisors, LLC3,000$11.4K0.00%00.0%Unchanged
California State Teachers Retirement System2,992$11.4K0.00%+356+13.5%Added
Sterling Capital Management LLC2,802$10.7K0.00%−442−13.6%Reduced
Strategic Advocates LLC2,350$9.19K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,753$6.68K0.00%+1,753New
GF Fund Management Co. Ltd.1,680$6.40K0.00%−161−8.7%Reduced
Global Retirement Partners, LLC1,673$6.37K0.00%+253+17.8%Added
Nisa Investment Advisors, LLC1,638$6.24K0.00%00.0%Unchanged
Royal Bank of Canada1,501$6.00K0.00%−66,877−97.8%Reduced
Amalgamated Bank1,527$6.00K0.00%+75+5.2%Added
Essential Partners LLC1,511$5.76K0.00%−12−0.8%Reduced
Clearstead Advisors, LLC1,500$5.71K0.00%−1,210−44.6%Reduced
GAMMA Investing LLC1,215$4.63K0.00%+1,215New
Advisor Group Holdings, Inc.1,211$4.61K0.00%+211+21.1%Added
Caitong International Asset Management Co., Ltd1,188$4.53K0.00%+1,188New
US Bancorp1,175$4.48K0.00%−95−7.5%Reduced
EverSource Wealth Advisors, LLC832$3.17K0.00%−93−10.1%Reduced
Bell Investment Advisors, Inc773$2.95K0.00%+773New
True Wealth Design, LLC544$2.07K0.00%+8+1.5%Added
Rialto Wealth Management, LLC260$9910.00%00.0%Unchanged
UMA Financial Services, Inc.233$8880.00%00.0%Unchanged
IFP Advisors, Inc215$8190.00%+42+24.3%Added
Parallel Advisors, LLC193$7350.00%+193New
Rockefeller Capital Management L.P.148$5640.00%+148New
Rothschild Investment LLC124$4720.00%+14+12.7%Added
Signaturefd, LLC105$4000.00%−578−84.6%Reduced
SBI Securities Co., Ltd.45$1710.00%−37−45.1%Reduced
Sunbelt Securities, Inc.26$990.00%+22+550.0%Added
The PNC Financial Services Group, Inc.17$650.00%00.0%Unchanged
SRS Capital Advisors, Inc.10$380.00%−10,915−99.9%Reduced
Allworth Financial LP1$40.00%−358−99.7%Reduced
MAI Capital Management1$40.00%+1New
Ra Capital Management, L.P.0$00.00%−6,045,351−100.0%Sold out
Opaleye Management Inc.0$00.00%−3,720,867−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−1,900,000−100.0%Sold out
Mangrove Partners0$00.00%−442,236−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−403,449−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−286,533−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−260,385−100.0%Sold out
Group One Trading, L.P.0$00.00%−133,701−100.0%Sold out
Cantor Fitzgerald, L. P.0$00.00%−127,500−100.0%Sold out
Massar Capital Management, LP0$00.00%−117,000−100.0%Sold out
Virtu Financial LLC0$00.00%−102,680−100.0%Sold out
Walleye Capital LLC0$00.00%−54,400−100.0%Sold out
Monimus Capital Management, LP0$00.00%−49,073−100.0%Sold out
Prudential Financial Inc0$00.00%−38,091−100.0%Sold out
Stonepine Capital Management, LLC0$00.00%−25,000−100.0%Sold out
Ellevest, Inc.0$00.00%−18,828−100.0%Sold out
Optiver Holding B.V.0$00.00%−560−100.0%Sold out
Rise Advisors, LLC0$00.00%−381−100.0%Sold out
Larson Financial Group LLC0$00.00%−4−100.0%Sold out
HAP Trading, LLC––––Not filed
Cubist Systematic Strategies, LLC––––Not filed
Point72 (DIFC) Ltd––––Not filed