NASDAQ · LRMRHealthcarePharmaceuticals

Larimar Therapeutics, Inc. Common Stock (LRMR)

$2.76+8.66%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$2.76▼ 27.37% in range
Nov 4, 2025Low $1.99 · High $5.95Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Larimar Therapeutics closed at $2.76 on Nov 4, up 8.66%, 53.6% below its 52-week closing high. Volume of 2.0M shares was 1.27× its 20-day average (above normal).

Split-adjusted performance: -0.7% over one month, -33.5% over six months, -28.9% over one year.

Short interest was 14.7M shares at the Oct 15 settlement, down 4.6% from the prior report (23.8% of float, 8.9 days to cover).

Market cap$286.7M103.9M shares
Revenue · quarter$0.00—
Diluted EPS$-0.30—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range1.99 – 5.95−53.6% from high
Volume2.0M1.27× 20-day avg
Volatility · 60d79.5%Annualised
Short % of float23.8%9.0 days to cover
Net cash$156.3MCash $156.3M
Next earnings—Not scheduled
Split-adjusted performance
1W +8.7%1M −0.7%3M −34.3%6M −33.5%YTD −27.6%1Y −28.9%3Y −5.5%5Y −78.6%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum41
Revenue growth—
Net margin—
Value (low P/E)—
Size53

Industry medians: 6-month return −25.5%, revenue growth +6.2%, net margin −33.8%, P/E 16.1×.

Short interest

Details →
Shares short14.7M−4.6% vs prior
Days to cover9.0Settled Oct 15
% of float23.8%
Short vol. 10d50.6%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
LRMRLarimar Therapeutics$2.76+8.66%−33.5%———$286.7M
RCKTRocket Pharmaceuticals$2.61+3.98%−32.4%———$286.5MCompare
FULCFulcrum Therapeutics$3.77+0.80%−47.0%———$288.0MCompare
VOGXVogenx$19.73−3.90%————$293.1MCompare
TTRXTurn Therapeutics$9.80+3.05%+158.2%———$297.6MCompare
BIOABioAge Labs$5.95−0.17%−67.8%+1.6%−1064.7%—$273.1MCompare
EBSEmergent Biosolutions$5.90−5.60%−35.2%−52.4%−29.7%—$302.5MCompare
SPRYARS Pharmaceuticals$3.050.00%−67.1%+114.2%−185.2%—$303.3MCompare
QTTBQ32 Bio$8.97+2.40%+64.0%——7.9$267.0MCompare

Quick answers

What does Larimar Therapeutics do?
Larimar Therapeutics Inc is a clinical-stage biotechnology company focused on developing treatments for patients suffering from complex rare diseases using its novel cell penetrating peptide technology platform. Its flagship product candidate, nomlabofusp, is a subcutaneously administered recombinant fusion protein designed to deliver frataxin (FXN) to the mitochondria of patients with Friedreich's ataxia (FA), a rare genetic disease characterized by insufficient production of FXN.
What is LRMR's market cap?
$286.72M, based on the Nov 4 close of $2.76.
Does Larimar Therapeutics pay a dividend?
No regular cash dividend has been paid in the last year.
How much of LRMR is sold short?
14.7M shares, 23.8% of float, as of Oct 15, 2026.
What sector is LRMR in?
Healthcare, in the Pharmaceuticals industry.

About Larimar Therapeutics

Larimar Therapeutics Inc is a clinical-stage biotechnology company focused on developing treatments for patients suffering from complex rare diseases using its novel cell penetrating peptide technology platform. Its flagship product candidate, nomlabofusp, is a subcutaneously administered recombinant fusion protein designed to deliver frataxin (FXN) to the mitochondria of patients with Friedreich's ataxia (FA), a rare genetic disease characterized by insufficient production of FXN. The company also plans to use its intracellular delivery platform to design other fusion proteins to target additional rare diseases characterized by deficiencies in intracellular bioactive compounds.

HQ: Bala Cynwyd, PA71 employeesListed May 29, 2020larimartx.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology