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LRMR Insider Trading

Insider Ownership Percentage: 4.50%
Insider Buying (Last 12 Months): $30,000,000.00
Insider Selling (Last 12 Months): $0.00

Larimar Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Larimar Therapeutics by year and by quarter.

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Larimar Therapeutics Share Price & Price History

Current Price: $3.69
Price Change: ▲ Price Increase of +0.88 (31.32%)
As of 02/24/2026 05:00 PM ET

This chart shows the closing price history over time for LRMR up to the past year.

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Days: 30 | 90 | 365

Larimar Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
7/31/2025James E FlynnDirectorBuy9,375,000$3.20$30,000,000.009,538,945View SEC Filing Icon  
2/16/2024James E FlynnDirectorBuy4,290,617$8.74$37,499,992.586,151,406View SEC Filing Icon  
2/14/2024Frank E. ThomasDirectorBuy2,000$11.00$22,000.002,000View SEC Filing Icon  
5/17/2023Joseph TruittDirectorBuy2,750$3.73$10,257.502,750View SEC Filing Icon  
5/17/2023Michael CelanoCFOBuy5,000$3.73$18,650.00112,746View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Larimar Therapeutics (NASDAQ:LRMR)

91.92% of Larimar Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at LRMR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Larimar Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/18/2026XTX Topco Ltd118,938$0.45M0.0%+127.1%0.144%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd57,646$0.22M0.0%+195.4%0.070%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC5,206,364$19.84M0.0%+7.2%6.289%Search for SEC Filing on Google Icon
2/18/2026Man Group plc39,225$0.15M0.0%N/A0.047%Search for SEC Filing on Google Icon
2/18/2026Caption Management LLC415,294$1.58M0.0%-85.4%0.502%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC111,216$0.42M0.0%+42.2%0.134%Search for SEC Filing on Google Icon
2/17/2026ADAR1 Capital Management LLC185,689$0.71M0.1%-21.2%0.224%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC61,759$0.24M0.0%N/A0.075%Search for SEC Filing on Google Icon
2/17/2026J. Goldman & Co LP40,500$0.15M0.0%-88.0%0.049%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC502,251$1.91M0.0%-10.7%0.607%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC96,074$0.37M0.0%N/A0.116%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD29,008$0.11M0.0%+26.3%0.035%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP344,246$1.31M0.0%+111.4%0.416%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.42,255$0.16M0.0%N/A0.051%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC30,416$0.12M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC78,470$0.30M0.0%+10.7%0.095%Search for SEC Filing on Google Icon
2/13/2026Alyeska Investment Group L.P.927,821$3.54M0.0%-50.8%1.121%Search for SEC Filing on Google Icon
2/13/2026State Street Corp911,925$3.47M0.0%+2.2%1.102%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC49,150$0.19M0.0%-24.2%0.059%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN56,897$0.22M0.0%+48.0%0.069%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC678,942$2.59M0.0%+53.5%0.820%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC13,597$52K0.0%-47.1%0.016%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC22,848$87K0.0%N/A0.028%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC297,266$1.13M0.0%-65.4%0.359%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP327,494$1.25M0.0%+482.1%0.396%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC53,321$0.20M0.1%N/A0.064%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.358,907$1.37M0.0%+14,885.7%0.434%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc312,000$1.19M0.0%+121.3%0.377%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG34,390$0.13M0.0%-37.5%0.042%Search for SEC Filing on Google Icon
2/11/2026Cerity Partners LLC234,737$0.89M0.0%-1.8%0.284%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.1,347,215$5.13M0.0%-14.5%1.627%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP17,655$67K0.0%-53.3%0.021%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,093,323$4.17M0.0%+6.9%1.321%Search for SEC Filing on Google Icon
2/9/2026Blue Owl Capital Holdings LP6,823,690$26M2.0%+16.6%8.243%Search for SEC Filing on Google Icon
2/2/2026AIGH Capital Management LLC2,000,000$7.62M1.9%+100.0%2.416%Search for SEC Filing on Google Icon
1/26/2026CWM LLC32,631$0.12M0.0%-9.4%0.039%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC15,757$60K0.0%N/A0.019%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.25,261$82K0.0%-54.6%0.031%Search for SEC Filing on Google Icon
12/1/2025Cantor Fitzgerald L. P.127,500$0.41M0.0%N/A0.154%Search for SEC Filing on Google Icon
11/19/2025Coldstream Capital Management Inc.17,533$57K0.0%N/A0.021%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP1,622,850$5.24M0.0%+160.6%1.960%Search for SEC Filing on Google Icon
11/17/2025Alyeska Investment Group L.P.1,887,169$6.10M0.0%-9.1%2.280%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE28,147$91K0.0%-42.1%0.034%Search for SEC Filing on Google Icon
11/17/2025Cantor Fitzgerald L. P.127,500$0.41M0.0%N/A0.154%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.74,530$0.24M0.0%+19.5%0.090%Search for SEC Filing on Google Icon
11/14/2025Creative Planning64,279$0.21M0.0%N/A0.078%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC102,680$0.33M0.0%+119.6%0.124%Search for SEC Filing on Google Icon
11/14/2025Deerfield Management Company L.P.30,606,974$98.86M1.5%+44.2%36.974%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP134,729$0.44M0.0%-85.1%0.163%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC78,216$0.25M0.0%-24.2%0.094%Search for SEC Filing on Google Icon
11/14/2025Mangrove Partners IM LLC442,236$1.43M0.1%-42.6%0.534%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG257,999$0.83M0.0%+138.1%0.312%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets10,146$33K0.0%+75.8%0.012%Search for SEC Filing on Google Icon
11/13/2025Blue Owl Capital Holdings LP5,853,040$18.91M5.8%+18.8%7.071%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP56,257$0.18M0.0%+79.4%0.068%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC21,220$69K0.0%-18.3%0.026%Search for SEC Filing on Google Icon
11/10/2025AXQ Capital LP37,771$0.12M0.0%+90.3%0.046%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP81,406$0.26M0.0%-18.5%0.098%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.3,087,840$9.97M0.0%+44.2%3.730%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.25,261$82K0.0%-54.6%0.031%Search for SEC Filing on Google Icon
11/5/2025B.O.S.S. Retirement Advisors LLC12,719$41K0.0%N/A0.015%Search for SEC Filing on Google Icon
10/31/2025AIGH Capital Management LLC1,000,000$3.23M0.9%N/A1.208%Search for SEC Filing on Google Icon
10/29/2025Wealth Enhancement Advisory Services LLC18,248$59K0.0%+33.9%0.022%Search for SEC Filing on Google Icon
10/23/2025Next Level Private LLC41,700$0.14M0.0%+108.5%0.050%Search for SEC Filing on Google Icon
10/17/2025Ethic Inc.75,397$0.24M0.0%+22.2%0.091%Search for SEC Filing on Google Icon
10/15/2025CWM LLC36,013$0.12M0.0%+10.3%0.044%Search for SEC Filing on Google Icon
8/15/2025Opaleye Management Inc.4,110,000$11.88M2.4%+114.7%4.965%Search for SEC Filing on Google Icon
8/15/2025Massar Capital Management LP51,556$0.15M0.1%N/A0.062%Search for SEC Filing on Google Icon
8/14/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC307,198$0.89M0.0%+70.6%0.371%Search for SEC Filing on Google Icon
8/14/2025Velan Capital Investment Management LP33,000$95K0.1%+17.9%0.040%Search for SEC Filing on Google Icon
8/14/2025Cerity Partners LLC220,201$0.64M0.0%N/A0.266%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd167,404$0.48M0.0%N/A0.202%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.69,285$0.20M0.0%+7.8%0.084%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.55,648$0.16M0.0%-13.9%0.067%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC25,963$75K0.0%-23.5%0.041%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC904,425$2.61M0.0%-0.4%1.413%Search for SEC Filing on Google Icon
8/6/2025Savant Capital LLC13,444$39K0.0%N/A0.021%Search for SEC Filing on Google Icon
7/30/2025Ethic Inc.61,723$0.19M0.0%N/A0.096%Search for SEC Filing on Google Icon
7/25/2025CWM LLC32,652$94K0.0%+205.0%0.051%Search for SEC Filing on Google Icon
7/11/2025Assenagon Asset Management S.A.256,861$0.74M0.0%+17.6%0.401%Search for SEC Filing on Google Icon
7/10/2025Wealth Enhancement Advisory Services LLC13,629$44K0.0%N/A0.021%Search for SEC Filing on Google Icon
7/8/2025Next Level Private LLC20,000$58K0.0%N/A0.031%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.2,671,271$5.74M0.0%-35.7%4.172%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers65,018$0.14M0.0%+15.7%0.102%Search for SEC Filing on Google Icon
5/21/2025Acadian Asset Management LLC53,239$0.11M0.0%N/A0.083%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.2,671,271$5.74M0.0%-35.7%4.172%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC112,226$0.24M0.0%N/A0.175%Search for SEC Filing on Google Icon
5/16/2025Alyeska Investment Group L.P.1,442,473$3.10M0.0%+46.6%2.253%Search for SEC Filing on Google Icon
5/15/2025Cubist Systematic Strategies LLC354,232$0.76M0.0%+51.5%0.553%Search for SEC Filing on Google Icon
5/15/2025Velan Capital Investment Management LP28,000$60K0.1%+55.6%0.044%Search for SEC Filing on Google Icon
5/15/2025Driehaus Capital Management LLC355,995$0.77M0.0%-72.0%0.556%Search for SEC Filing on Google Icon
5/14/2025Walleye Capital LLC17,166$37K0.0%N/A0.027%Search for SEC Filing on Google Icon
5/14/2025Jump Financial LLC86,350$0.19M0.0%-19.7%0.135%Search for SEC Filing on Google Icon
5/13/2025Algert Global LLC23,280$50K0.0%+91.0%0.036%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.64,284$0.14M0.0%+14.2%0.100%Search for SEC Filing on Google Icon
5/13/2025Altium Capital Management LLC273,204$0.59M1.4%-69.7%0.427%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC174,788$0.38M0.0%N/A0.273%Search for SEC Filing on Google Icon
5/9/2025Charles Schwab Investment Management Inc.100,457$0.22M0.0%-19.7%0.157%Search for SEC Filing on Google Icon
4/30/2025Alps Advisors Inc.47,460$0.10M0.0%-8.0%0.074%Search for SEC Filing on Google Icon
4/8/2025Rhumbline Advisers65,018$0.14M0.0%+15.7%0.102%Search for SEC Filing on Google Icon
Data available starting January 2016

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Larimar Therapeutics logo
Larimar Therapeutics, Inc., a clinical-stage biotechnology company, focuses on developing treatments for rare diseases using its novel cell penetrating peptide technology platform. Its lead product candidate is CTI-1601, which is in Phase 2 OLE clinical trial for the treatment of Friedreich's ataxia, a rare, progressive and fatal genetic disease. Larimar Therapeutics, Inc. is based in Bala Cynwyd, Pennsylvania.
Read More on Larimar Therapeutics

Today's Range

Now: $3.69
Low: $3.55
High: $4.01

50 Day Range

MA: $3.44
Low: $2.81
High: $4.00

52 Week Range

Now: $3.69
Low: $1.61
High: $5.37

Volume

70,283,206 shs

Average Volume

3,024,304 shs

Market Capitalization

$305.46 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.01

Who are the company insiders with the largest holdings of Larimar Therapeutics?

Larimar Therapeutics' top insider shareholders include:
  1. James E Flynn (Director)
Learn More about top insider investors at Larimar Therapeutics.

Who are the major institutional investors of Larimar Therapeutics?

Larimar Therapeutics' top institutional shareholders include:
  1. Blue Owl Capital Holdings LP — 8.24%
  2. Millennium Management LLC — 6.29%
  3. AIGH Capital Management LLC — 2.42%
  4. Goldman Sachs Group Inc. — 1.63%
  5. Geode Capital Management LLC — 1.32%
  6. Alyeska Investment Group L.P. — 1.12%
Learn More about top institutional investors of Larimar Therapeutics stock.

Which institutional investors are selling Larimar Therapeutics stock?

In the last quarter, LRMR stock was sold by these institutional investors:
  1. Caption Management LLC
  2. Alyeska Investment Group L.P.
  3. Renaissance Technologies LLC
  4. Hudson Bay Capital Management LP
  5. J. Goldman & Co LP
  6. Goldman Sachs Group Inc.
  7. AQR Capital Management LLC
  8. ADAR1 Capital Management LLC

Which institutional investors are buying Larimar Therapeutics stock?

Within the last quarter, LRMR stock was bought by institutional investors including:
  1. AIGH Capital Management LLC
  2. Blue Owl Capital Holdings LP
  3. Federated Hermes Inc.
  4. Millennium Management LLC
  5. Dimensional Fund Advisors LP
  6. Jane Street Group LLC
  7. ExodusPoint Capital Management LP
  8. Marex Group plc