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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 2021

Institutional positions in Larimar Therapeutics, Inc. as of Dec 31, 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
49
−5 vs. Q3 2021
Shares held
14.6M
+47.8K (+0.3%) vs. Q3 2021
Total value
$157.2M
−$10.3M (−6.2%) vs. Q3 2021
New holders
5
12 more added
Sold out
10
12 more reduced

Compare with Q3 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 holdersQ4 2021: 49 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 2021: $157.2M
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 2021

Shares, value and share of portfolio for each institution holding Larimar Therapeutics, Inc.; share changes are against Q3 2021.

Institutions holding LRMR in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Deerfield Management Company, L.P. (Series C)5,830,249$62.9M1.32%00.0%Unchanged
CHI Advisors LLC1,515,148$16.3M5.43%00.0%Unchanged
Ra Capital Management, L.P.1,334,610$14.4M0.25%−180,541−11.9%Reduced
Opaleye Management Inc.883,602$9.53M2.02%+50,795+6.1%Added
Janus Henderson Group PLC735,112$7.92M0.00%+93,997+14.7%Added
Vanguard Group Inc526,043$5.68M0.00%+115,727+28.2%Added
Vivo Capital, LLC399,830$4.31M0.26%00.0%Unchanged
Atlas Venture Advisors, Inc.292,184$3.15M0.44%00.0%Unchanged
683 Capital Management, LLC256,620$2.77M0.13%00.0%Unchanged
BlackRock Inc.244,897$2.64M0.00%+3,030+1.3%Added
Mangrove Partners239,953$2.59M0.19%+239,953New
Verition Fund Management LLC235,835$2.54M0.03%+156,179+196.1%Added
Ghost Tree Capital, LLC225,000$2.43M0.93%+25,000+12.5%Added
Driehaus Capital Management LLC210,500$2.27M0.02%00.0%Unchanged
Point72 Asset Management, L.P.196,896$2.13M0.01%00.0%Unchanged
Renaissance Technologies LLC192,774$2.08M0.00%−53,500−21.7%Reduced
Adage Capital Partners GP, L.L.C.176,680$1.91M0.00%00.0%Unchanged
Fred Alger Management, LLC175,870$1.90M0.00%00.0%Unchanged
Fi3 FINANCIAL ADVISORS, LLC121,818$1.31M0.86%00.0%Unchanged
Geode Capital Management, LLC113,890$1.23M0.00%−170−0.1%Reduced
Susquehanna International Group, LLP99,340$1.07M0.00%+29,523+42.3%Added
Bank of America Corp72,510$782.0K0.00%−9,300−11.4%Reduced
DAFNA Capital Management LLC70,177$757.0K0.19%+5,690+8.8%Added
Bridgeway Capital Management, LLC62,800$678.0K0.01%+62,800New
Difesa Capital Management, LP52,450$566.0K0.41%+52,450New
Ikarian Capital, LLC47,193$510.0K0.15%00.0%Unchanged
State Street Corp39,033$421.0K0.00%00.0%Unchanged
Two Sigma Advisers, LP28,198$304.0K0.00%−4,700−14.3%Reduced
Dimensional Fund Advisors LP28,138$304.0K0.00%+12,731+82.6%Added
Royce & Associates LP28,064$303.0K0.00%00.0%Unchanged
Golden State Equity Partners25,015$270.0K0.14%+25,015New
Northern Trust Corp21,330$230.0K0.00%−2,168−9.2%Reduced
Bank of New York Mellon Corp18,973$205.0K0.00%00.0%Unchanged
Two Sigma Investments, LP18,711$202.0K0.00%−11,896−38.9%Reduced
Morgan Stanley11,795$127.0K0.00%−23,265−66.4%Reduced
Marshall Wace, LLP11,392$124.0K0.00%−15,195−57.2%Reduced
Northeast Financial Consultants Inc10,105$109.0K0.01%00.0%Unchanged
Solstein Capital, LLC4,477$48.0K0.03%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,395$26.0K0.00%−249−9.4%Reduced
JPMorgan Chase & Co1,578$17.0K0.00%+466+41.9%Added
US Bancorp1,175$13.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,126$12.0K0.00%−4,717−80.7%Reduced
UBS Group AG1,121$12.0K0.00%+1,113+13,912.5%Added
Cutler Group LP1,200$12.0K0.00%+1,200New
Simplex Trading, LLC882$9.00K0.00%+725+461.8%Added
Citigroup Inc544$6.00K0.00%−13,249−96.1%Reduced
Disciplined Investments, LLC116$1.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.29$00.00%00.0%Unchanged
Advisor Group Holdings, Inc.29$00.00%00.0%Unchanged
Citadel Advisors LLC0$00.00%−309,260−100.0%Sold out
BIT Capital GmbH0$00.00%−94,016−100.0%Sold out
Asymmetry Capital Management, L.P.0$00.00%−34,943−100.0%Sold out
Belvedere Trading LLC0$00.00%−22,954−100.0%Sold out
HRT Financial LP0$00.00%−21,174−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−13,053−100.0%Sold out
Jane Street Group, LLC0$00.00%−12,001−100.0%Sold out
Group One Trading, L.P.0$00.00%−1,000−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−793−100.0%Sold out
Penserra Capital Management LLC0$00.00%−405−100.0%Sold out