NASDAQ · IRONHealthcarePharmaceuticals

Disc Medicine, Inc. Common Stock (IRON)

$83.28+2.61%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$82.66▼ 2.40% in range
Nov 3, 2025Low $55.74 · High $94.11Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Disc Medicine closed at $83.28 on Nov 4, up 2.61%, 11.5% below its 52-week closing high. Volume of 1.4M shares was 0.92× its 20-day average (close to normal).

Split-adjusted performance: +35.1% over one month, +21.3% over six months, -1.7% over one year.

Short interest was 7.5M shares at the Oct 15 settlement, up 2.6% from the prior report (22.8% of float, 10.6 days to cover).

Market cap$3.70B44.4M shares
Revenue · quarter$0.00—
Diluted EPS$-1.54—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range55.74 – 94.11−11.5% from high
Volume1.4M0.92× 20-day avg
Volatility · 60d75.9%Annualised
Short % of float22.8%10.6 days to cover
Net cash$658.4MCash $717.7M
Next earnings—Not scheduled
Split-adjusted performance
1W +0.1%1M +35.1%3M +7.5%6M +21.3%YTD +4.9%1Y −1.7%3Y +84.2%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum82
Revenue growth—
Net margin—
Value (low P/E)—
Size87

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

Short interest

Details →
Shares short7.5M+2.6% vs prior
Days to cover10.6Settled Oct 15
% of float22.8%
Short vol. 10d44.7%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
IRONDisc Medicine$83.28+2.61%+21.3%———$3.70B
ACADAcadia Pharmaceuticals$21.47+4.38%0.0%+16.4%10.2%9.7$3.70BCompare
AMLXAmylyx Pharmaceuticals$29.40+0.68%+83.1%———$3.69BCompare
PBLSParabilis Medicines$30.36+3.79%——−45239.9%—$3.75BCompare
OGNOrganon &$13.83−0.14%+3.1%−1.7%10.4%17.1$3.63BCompare
XENEXenon Pharmaceuticals$39.19+2.51%−33.1%———$3.80BCompare
VKTXViking Therapeutics$27.97+7.21%−13.4%———$3.57BCompare
TNGXTango Therapeutics$23.18+0.04%−1.9%−100.0%——$3.91BCompare
DYNDyne Therapeutics$18.54+2.71%−1.6%———$3.46BCompare

Quick answers

What does Disc Medicine do?
Disc Medicine Inc is a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of novel treatments for hematologic diseases. It aims to modify fundamental biological pathways associated with the formation and function of red blood cells, specifically heme biosynthesis and iron homeostasis.
What is IRON's market cap?
$3.70B, based on the Nov 4 close of $83.28.
Does Disc Medicine pay a dividend?
No regular cash dividend has been paid in the last year.
How much of IRON is sold short?
7.5M shares, 22.8% of float, as of Oct 15, 2026.
What sector is IRON in?
Healthcare, in the Pharmaceuticals industry.

About Disc Medicine

Disc Medicine Inc is a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of novel treatments for hematologic diseases. It aims to modify fundamental biological pathways associated with the formation and function of red blood cells, specifically heme biosynthesis and iron homeostasis. Its pipeline includes bitopertin for erythropoietic porphyrias (EPs), including erythropoietic protoporphyria (EPP), X-linked protoporphyria (XLP), and Diamond-Blackfan Anemia (DBA); DISC-0974 for the treatment of anemia of myelofibrosis (MF) and anemia of chronic kidney disease (CKD); and DISC-3405 for the treatment of polycythemia vera (PV) and other hematologic disorders. In addition, the Company's preclinical programs include DISC-0998.

HQ: Watertown, MA165 employeesListed Feb 8, 2021discmedicine.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