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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
Deerfield Management Company, L.P. (Series C)21,231,974$61.4M1.11%00.0%Unchanged
Ra Capital Management, L.P.6,045,351$17.5M0.29%00.0%Unchanged
Blue Owl Capital Holdings LP4,928,040$14.2M4.60%+150,000+3.1%Added
Opaleye Management Inc.4,110,000$11.9M2.40%+2,195,923+114.7%Added
Millennium Management LLC3,655,189$10.6M0.01%+2,982,177+443.1%Added
BlackRock, Inc.3,039,980$8.79M0.00%−84,008−2.7%Reduced
Vanguard Group Inc2,142,031$6.19M0.00%−75,777−3.4%Reduced
Alyeska Investment Group, L.P.2,075,882$6.00M0.02%+633,409+43.9%Added
Citadel Advisors LLC1,336,255$3.86M0.00%+901,969+207.7%Added
Two Sigma Advisers, LP1,146,924$3.31M0.01%+752,900+191.1%Added
Geode Capital Management, LLC904,425$2.61M0.00%−3,536−0.4%Reduced
Two Sigma Investments, LP903,611$2.61M0.00%+508,866+128.9%Added
State Street Corp858,968$2.48M0.00%+26,427+3.2%Added
Mangrove Partners770,233$2.23M0.24%00.0%Unchanged
Caption Management, LLC689,290$1.99M0.18%+689,290New
Woodline Partners LP622,682$1.80M0.01%00.0%Unchanged
Verition Fund Management LLC567,683$1.64M0.01%00.0%Unchanged
Renaissance Technologies LLC561,742$1.62M0.00%−413,229−42.4%Reduced
Driehaus Capital Management LLC535,464$1.55M0.01%+179,469+50.4%Added
AQR Capital Management LLC428,488$1.24M0.00%+316,262+281.8%Added
DAFNA Capital Management LLC371,434$1.07M0.30%00.0%Unchanged
Northern Trust Corp343,981$994.1K0.00%−21,687−5.9%Reduced
UBS Oconnor LLC307,198$887.8K0.02%+127,171+70.6%Added
Assenagon Asset Management S.A.256,861$742.3K0.00%+38,427+17.6%Added
Susquehanna International Group, LLP250,295$723.4K0.00%+88,393+54.6%Added
HAP Trading, LLC237,776$687.2K0.30%+237,776New
ADAR1 Capital Management, LLC237,605$686.7K0.11%+237,605New
Hudson Bay Capital Management LP228,761$661.1K0.00%+228,761New
Nuveen, LLC227,002$656.0K0.00%+52,214+29.9%Added
Cerity Partners LLC220,201$636.4K0.00%+220,201New
Sphera Funds Management Ltd.196,635$568.3K0.15%−169,669−46.3%Reduced
Morgan Stanley169,038$488.5K0.00%−242,342−58.9%Reduced
XTX Topco Ltd167,404$483.8K0.02%+167,404New
Monimus Capital Management, LP146,284$422.8K0.34%00.0%Unchanged
Simplex Trading, LLC140,424$405.0K0.01%+140,160+53,090.9%Added
Goldman Sachs Group Inc131,622$380.4K0.00%−2,539,649−95.1%Reduced
Charles Schwab Investment Management Inc111,400$321.9K0.00%+10,943+10.9%Added
UBS Group AG108,337$313.1K0.00%+63,427+141.2%Added
Bridgeway Capital Management, LLC103,216$298.3K0.01%00.0%Unchanged
Royal Bank of Canada100,897$292.0K0.00%+100,843+186,746.3%Added
Gsa Capital Partners LLP99,922$289.0K0.02%+99,922New
Bank of New York Mellon Corp99,889$288.7K0.00%−564−0.6%Reduced
Barclays PLC84,860$245.2K0.00%+30,601+56.4%Added
Wexford Capital LP69,799$201.7K0.06%+69,799New
American Century Companies Inc69,285$200.2K0.00%+5,001+7.8%Added
Rhumbline Advisers67,358$194.7K0.00%+2,340+3.6%Added
Ethic Inc.61,723$187.0K0.00%+61,723New
Alliancebernstein L.P.62,380$180.3K0.00%+29,320+88.7%Added
Ieq Capital, LLC57,261$165.5K0.00%+40,801+247.9%Added
JPMorgan Chase & Co55,648$160.8K0.00%−8,969−13.9%Reduced
Massar Capital Management, LP51,556$149.0K0.11%+51,556New
Bank of America Corp48,577$140.4K0.00%−1,799−3.6%Reduced
Group One Trading, L.P.48,225$139.4K0.00%+47,100+4,186.7%Added
Virtu Financial LLC46,760$135.0K0.01%+46,760New
Citigroup Inc41,900$121.1K0.00%+7,986+23.5%Added
Deutsche Bank AG39,031$112.8K0.00%−1,006−2.5%Reduced
Pale Fire Capital SE37,518$108.4K0.01%00.0%Unchanged
Journey Strategic Wealth LLC35,695$103.2K0.00%+379+1.1%Added
Velan Capital Investment Management LP33,000$95.4K0.10%+5,000+17.9%Added
CWM, LLC32,652$94.0K0.00%+21,948+205.0%Added
State of Wisconsin Investment Board31,515$91.1K0.00%−56,012−64.0%Reduced
Dimensional Fund Advisors LP31,354$90.6K0.00%−41,295−56.8%Reduced
Wells Fargo & Company29,559$85.4K0.00%+7,065+31.4%Added
Algert Global LLC29,030$83.9K0.00%+5,750+24.7%Added
MetLife Investment Management26,359$76.2K0.00%+26,359New
Intech Investment Management LLC25,963$75.0K0.00%−7,959−23.5%Reduced
Walleye Trading LLC25,000$72.3K0.00%00.0%Unchanged
Fi3 FINANCIAL ADVISORS, LLC24,172$69.9K0.03%+202+0.8%Added
Mirae Asset Global ETFs Holdings Ltd.24,117$69.7K0.00%−1,092−4.3%Reduced
Price T Rowe Associates Inc21,301$62.0K0.00%+4,991+30.6%Added
Next Level Private LLC20,000$57.8K0.02%+20,000New
Axq Capital, LP19,853$57.4K0.02%+19,853New
Manufacturers Life Insurance Company, The16,165$46.7K0.00%−51−0.3%Reduced
Invesco Ltd.15,204$43.9K0.00%−908−5.6%Reduced
Wealth Enhancement Advisory Services, LLC13,629$43.6K0.00%+13,629New
FMR LLC13,830$40.0K0.00%+12,518+954.1%Added
Keystone Financial Group13,000$37.6K0.00%+13,000New
China Universal Asset Management Co., Ltd.12,860$37.2K0.00%+61+0.5%Added
Voya Investment Management LLC12,092$34.9K0.00%00.0%Unchanged
ProShare Advisors LLC11,070$32.0K0.00%−915−7.6%Reduced
Prelude Capital Management, LLC10,867$31.4K0.00%+10,867New
Cherry Tree Wealth Management, LLC10,618$30.7K0.01%+10,618New
SEI Investments Co10,573$30.6K0.00%00.0%Unchanged
Jane Street Group, LLC10,533$30.4K0.00%+10,533New
Oppenheimer & Co Inc10,000$28.9K0.00%+10,000New
Police & Firemen's Retirement System of New Jersey9,082$26.2K0.00%00.0%Unchanged
Raymond James Financial Inc8,000$23.1K0.00%+8,000New
STRS Ohio7,900$22.8K0.00%00.0%Unchanged
New York State Common Retirement Fund6,619$19.1K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.5,911$17.1K0.00%−1,000−14.5%Reduced
Tower Research Capital LLC (TRC)5,839$16.9K0.00%+1,038+21.6%Added
BNP Paribas Arbitrage, SA5,770$16.7K0.00%+1,852+47.3%Added
Solstein Capital, LLC4,477$12.9K0.01%00.0%Unchanged
GWM Advisors LLC4,121$11.9K0.00%+4,121New
Ameritas Investment Partners, Inc.4,121$11.9K0.00%00.0%Unchanged
Legal & General Group Plc3,631$10.5K0.00%−6,087−62.6%Reduced
Farther Finance Advisors, LLC3,000$8.67K0.00%+3,000New
Federated Hermes, Inc.2,655$7.67K0.00%+2,655New
Clearstead Advisors, LLC2,654$7.67K0.00%+1,154+76.9%Added
Mirae Asset Global Investments Co., Ltd.2,473$7.15K0.00%+388+18.6%Added