NASDAQ · OBXHealthcarePharmaceuticals

Obsidian Therapeutics, Inc. Common Stock (OBX)

$14.43−2.43%
Close Nov 2, 2026 · split-adjusted
Nov 2, 2026$14.43▼ 18.93% in range
Sep 11, 2026Low $11.77 · High $18.10Nov 2, 2026
What changed · written from our data
As of Nov 2, 2026

Obsidian Therapeutics closed at $14.43 on Nov 2, down 2.43%, 20.3% below its highest close since Sep 11. Volume of 526.0K shares was 1.58× its 20-day average (above normal).

Split-adjusted performance: +6.2% over one month.

Short interest was 1.1M shares at the Oct 15 settlement, up 22.3% from the prior report (2.2% of float, 3.2 days to cover).

Market cap$891.4M61.8M shares
Revenue · quarter——
Diluted EPS——
P/E · TTM—
Net margin—
Dividend yieldNone
Range since Sep 1111.77 – 18.10−20.3% from high
Volume526.0K1.58× 20-day avg
Volatility · 60d—Annualised
Short % of float2.2%3.2 days to cover
Net cash—
Next earnings—Not scheduled
Split-adjusted performance
1W +4.1%1M +6.2%3M —6M —YTD —1Y —3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum—
Revenue growth—
Net margin—
Value (low P/E)—
Size69

Industry medians: 6-month return −25.1%, revenue growth +6.4%, net margin −36.2%, P/E 15.8×.

Short interest

Details →
Shares short1.1M+22.3% vs prior
Days to cover3.2Settled Oct 15
% of float2.2%
Short vol. 10d54.9%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
OBXObsidian Therapeutics$14.43−2.43%————$891.4M
LTGOLatigo Biotherapeutics$13.51−3.15%————$895.7MCompare
JBIOJade Biosciences$13.93−0.92%−43.2%———$885.9MCompare
KURAKura Oncology$9.79−4.58%+5.8%+36.5%−327.3%—$870.9MCompare
ANROAlto Neuroscience$22.19−1.81%−11.9%———$870.8MCompare
ORICOric Pharmaceuticals$9.07−1.84%−5.8%———$940.1MCompare
RIGLRigel Pharmaceuticals Inc. (New)$50.53−1.52%+71.1%−22.6%22.0%2.9$943.9MCompare
ALMSAlumis$6.38−5.20%−74.7%−37.7%−8557.2%—$825.8MCompare
CYRXCryoPort$16.23−6.13%+59.0%+7.7%−20.9%—$822.0MCompare

News about Obsidian Therapeutics

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Quick answers

What does Obsidian Therapeutics do?
Obsidian Therapeutics Inc is a clinical-stage biopharmaceutical company harnessing novel protein-regulation technology to develop engineered tumor infiltrating lymphocytes (TIL) cell therapies for the treatment of patients with solid tumors. The company's proprietary cytoDRiVE platform is versatile and allows it to leverage drug responsive domains to control protein function, with its initial focus on TIL cell therapies developed from this platform (cytoTILs).
What is OBX's market cap?
$891.38M, based on the Nov 2 close of $14.43.
How much of OBX is sold short?
1.1M shares, 2.2% of float, as of Oct 15, 2026.
What sector is OBX in?
Healthcare, in the Pharmaceuticals industry.

About Obsidian Therapeutics

Obsidian Therapeutics Inc is a clinical-stage biopharmaceutical company harnessing novel protein-regulation technology to develop engineered tumor infiltrating lymphocytes (TIL) cell therapies for the treatment of patients with solid tumors. The company's proprietary cytoDRiVE platform is versatile and allows it to leverage drug responsive domains to control protein function, with its initial focus on TIL cell therapies developed from this platform (cytoTILs). The company's flagship product candidate, OBX-115, is a novel, genetically engineered, autologous TIL cell therapy currently in a Phase 2 clinical trial for the treatment of melanoma and a Phase 1 clinical trial for the treatment of non-small cell lung cancer.

HQ: Cambridge, MAListed Aug 4, 2026obsidiantx.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