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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, Q2 2025

Institutional positions in Larimar Therapeutics, Inc. as of Jun 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
116
+13 vs. Q1 2025
Shares held
62.3M
+1.48M (+2.4%) vs. Q1 2025
Total value
$180.1M
+$48.2M (+36.6%) vs. Q1 2025
New holders
30
43 more added
Sold out
17
23 more reduced

Compare with Q1 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 holdersQ2 2025: 116 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 heldQ2 2025: $180.1M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Larimar Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding LRMR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Woodline Partners LP622,682$1.80M0.01%00.0%Unchanged
Caption Management, LLC689,290$1.99M0.18%+689,290New
Mangrove Partners770,233$2.23M0.24%00.0%Unchanged
State Street Corp858,968$2.48M0.00%+26,427+3.2%Added
Two Sigma Investments, LP903,611$2.61M0.00%+508,866+128.9%Added
Geode Capital Management, LLC904,425$2.61M0.00%−3,536−0.4%Reduced
Two Sigma Advisers, LP1,146,924$3.31M0.01%+752,900+191.1%Added
Citadel Advisors LLC1,336,255$3.86M0.00%+901,969+207.7%Added
Alyeska Investment Group, L.P.2,075,882$6.00M0.02%+633,409+43.9%Added
Vanguard Group Inc2,142,031$6.19M0.00%−75,777−3.4%Reduced
BlackRock, Inc.3,039,980$8.79M0.00%−84,008−2.7%Reduced
Millennium Management LLC3,655,189$10.6M0.01%+2,982,177+443.1%Added
Opaleye Management Inc.4,110,000$11.9M2.40%+2,195,923+114.7%Added
Blue Owl Capital Holdings LP4,928,040$14.2M4.60%+150,000+3.1%Added
Ra Capital Management, L.P.6,045,351$17.5M0.29%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)21,231,974$61.4M1.11%00.0%Unchanged
Janus Henderson Group PLC0$00.00%−5,571,963−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−354,232−100.0%Sold out
Altium Capital Management LP0$00.00%−273,204−100.0%Sold out
Jump Financial, LLC0$00.00%−86,350−100.0%Sold out
Ikarian Capital, LLC0$00.00%−58,526−100.0%Sold out
Acadian Asset Management LLC0$00.00%−53,239−100.0%Sold out
Alps Advisors Inc0$00.00%−47,460−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−31,880−100.0%Sold out
Virtus Investment Advisers, Inc.0$00.00%−26,869−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−20,609−100.0%Sold out
Walleye Capital LLC0$00.00%−17,166−100.0%Sold out
Jain Global LLC0$00.00%−16,729−100.0%Sold out
SG Americas Securities, LLC0$00.00%−14,974−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−13,731−100.0%Sold out
Quadrature Capital Ltd0$00.00%−10,242−100.0%Sold out
California State Teachers Retirement System0$00.00%−3,048−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−127−100.0%Sold out