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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 2021

Institutional positions in Larimar Therapeutics, Inc. as of Jun 30, 2021. 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
45
−12 vs. Q1 2021
Shares held
14.5M
+433.6K (+3.1%) vs. Q1 2021
Total value
$142.8M
−$63.3M (−30.7%) vs. Q1 2021
New holders
8
16 more added
Sold out
20
8 more reduced

Compare with Q1 2021: 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 2021: 45 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 2021: $142.8M
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 2021

Shares, value and share of portfolio for each institution holding Larimar Therapeutics, Inc.; share changes are against Q1 2021.

Institutions holding LRMR in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Deerfield Management Company, L.P. (Series C)5,830,249$57.3M1.02%+685,710+13.3%Added
Ra Capital Management, L.P.1,515,151$14.9M0.24%00.0%Unchanged
CHI Advisors LLC1,515,148$14.9M3.46%00.0%Unchanged
Vivo Capital, LLC799,662$7.85M0.34%00.0%Unchanged
Opaleye Management Inc.727,800$7.15M1.19%+727,800New
Vanguard Group Inc664,370$6.53M0.00%+188,834+39.7%Added
Janus Henderson Group PLC600,960$5.89M0.00%+458,613+322.2%Added
Citadel Advisors LLC308,143$3.03M0.00%+295,773+2,391.1%Added
Atlas Venture Advisors, Inc.292,184$2.87M0.30%00.0%Unchanged
Millennium Management LLC257,868$2.53M0.00%−95,895−27.1%Reduced
683 Capital Management, LLC256,620$2.52M0.13%+36,484+16.6%Added
BlackRock Inc.251,900$2.47M0.00%+22,931+10.0%Added
Verition Fund Management LLC244,675$2.40M0.04%+15,374+6.7%Added
Driehaus Capital Management LLC210,500$2.07M0.03%00.0%Unchanged
Renaissance Technologies LLC195,774$1.92M0.00%−16,700−7.9%Reduced
Fi3 FINANCIAL ADVISORS, LLC121,818$1.22M0.84%+100,570+473.3%Added
Geode Capital Management, LLC112,454$1.10M0.00%+11,020+10.9%Added
Ghost Tree Capital, LLC100,000$982.0K0.31%+100,000New
Point72 Asset Management, L.P.99,160$974.0K0.00%+81,900+474.5%Added
DAFNA Capital Management LLC76,987$756.0K0.16%−4,445−5.5%Reduced
Adage Capital Partners GP, L.L.C.76,680$753.0K0.00%+76,680New
Ikarian Capital, LLC52,968$520.0K0.09%−372,416−87.5%Reduced
State Street Corp39,033$383.0K0.00%+39,033New
Morgan Stanley34,588$339.0K0.00%+8,471+32.4%Added
Royce & Associates LP28,064$276.0K0.00%00.0%Unchanged
Marshall Wace, LLP24,494$240.0K0.00%−29,620−54.7%Reduced
Northern Trust Corp24,358$239.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp18,973$187.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc14,314$141.0K0.00%+14,314New
Citigroup Inc13,718$135.0K0.00%+8,907+185.1%Added
Boothbay Fund Management, LLC10,163$100.0K0.00%−37,870−78.8%Reduced
Bank of America Corp6,634$65.0K0.00%−53,066−88.9%Reduced
Solstein Capital, LLC4,477$44.0K0.05%00.0%Unchanged
First Manhattan Co4,000$39.0K0.00%−7,000−63.6%Reduced
Cubist Systematic Strategies, LLC3,250$32.0K0.00%+1,429+78.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)2,635$26.0K0.00%+273+11.6%Added
Tower Research Capital LLC (TRC)1,345$13.0K0.00%+635+89.4%Added
US Bancorp1,175$12.0K0.00%00.0%Unchanged
JPMorgan Chase & Co751$7.00K0.00%+739+6,158.3%Added
Acadian Asset Management LLC457$4.00K0.00%+457New
Penserra Capital Management LLC350$3.00K0.00%00.0%Unchanged
Simplex Trading, LLC157$1.00K0.00%+157New
Disciplined Investments, LLC116$1.00K0.00%+116New
Daiwa Securities Group Inc.29$00.00%00.0%Unchanged
UBS Group AG8$00.00%00.0%Unchanged
OrbiMed Advisors LLC0$00.00%−617,245−100.0%Sold out
Logos Global Management LP0$00.00%−230,000−100.0%Sold out
Caas Capital Management LP0$00.00%−219,147−100.0%Sold out
Silverarc Capital Management, LLC0$00.00%−191,945−100.0%Sold out
Sio Capital Management, LLC0$00.00%−187,223−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−100,000−100.0%Sold out
Altium Capital Management LP0$00.00%−93,261−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−36,632−100.0%Sold out
HRT Financial LP0$00.00%−28,340−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−20,000−100.0%Sold out
California Public Employees Retirement System0$00.00%−19,451−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−18,810−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−13,842−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−13,163−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−11,689−100.0%Sold out
J. Goldman & Co LP0$00.00%−11,441−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−11,123−100.0%Sold out
Maven Securities LTD0$00.00%−1,775−100.0%Sold out
Group One Trading, L.P.0$00.00%−416−100.0%Sold out
Royal Bank of Canada0$00.00%−91−100.0%Sold out