NASDAQ · GRIHealthcarePharmaceuticals

GRI Bio, Inc. Common Stock (GRI)

$1.43−7.14%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$1.43▼ 96.94% in range
Nov 4, 2025Low $1.38 · High $59.92Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

GRI Bio closed at $1.43 on Nov 4, down 7.14%, 97.6% below its 52-week closing high. Volume of 48.6K shares was 1.18× its 20-day average (close to normal).

Split-adjusted performance: -24.7% over one month, -39.4% over six months, -96.8% over one year.

Short interest was 66.1K shares at the Oct 15 settlement, down 4.8% from the prior report (3.0% of float, 1.6 days to cover).

Market cap$3.1M2.2M shares
Revenue · quarter$0.00—
Diluted EPS$-0.91—
P/E · TTM—
Net margin—
Dividend yieldNone$0.5113 last paid
52-week range1.38 – 59.92−97.6% from high
Volume48.6K1.18× 20-day avg
Volatility · 60d120.8%Annualised
Short % of float3.0%1.6 days to cover
Net cash$10.9MCash $10.9M
Next earnings—Not scheduled
Split-adjusted performance
1W −12.0%1M −24.7%3M −7.7%6M −39.4%YTD −79.3%1Y −96.8%3Y −100.0%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum34
Revenue growth—
Net margin—
Value (low P/E)—
Size5

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

Short interest

Details →
Shares short66.1K−4.8% vs prior
Days to cover1.6Settled Oct 15
% of float3.0%
Short vol. 10d35.9%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
GRIGRI Bio$1.43−7.14%−39.4%———$3.1M
MBIOMustang Bio$0.4138+1.07%−44.6%———$3.1MCompare
JUNSJupiter Neurosciences$2.46+1.23%−91.0%—−9380.9%—$3.2MCompare
SILOSilo Pharma$1.33+3.91%−78.9%−100.0%——$2.9MCompare
SXTP60 Degrees Pharmaceuticals$0.9563−5.32%−42.4%−32.5%−1152.6%—$3.4MCompare
KALAKALA BIO$0.1781+2.95%−96.9%———$3.4MCompare
MDCXMedicus Pharma$1.88−7.39%−88.7%———$3.6MCompare
CVKDCadrenal Therapeutics$1.06−6.19%−82.8%———$3.8MCompare
ONCOOnconetix$0.6583+15.69%−85.4%−83.9%−16748.3%—$3.9MCompare

News about GRI Bio

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Quick answers

What does GRI Bio do?
GRI Bio Inc is a clinical-stage biotech company focused on discovering, developing, and commercializing therapies targeting serious diseases associated with dysregulated immune responses that to inflammatory, fibrotic, and autoimmune disorders. GRI Bio's program, GRI-0621, is a small molecule RAR-beta and gamma dual agonist that inhibits the activity of human NKT I cells, returning the immune system to homeostasis.
What is GRI's market cap?
$3.13M, based on the Nov 4 close of $1.43.
Does GRI Bio pay a dividend?
No regular cash dividend has been paid in the last year.
How much of GRI is sold short?
66.1K shares, 3.0% of float, as of Oct 15, 2026.
What sector is GRI in?
Healthcare, in the Pharmaceuticals industry.

About GRI Bio

GRI Bio Inc is a clinical-stage biotech company focused on discovering, developing, and commercializing therapies targeting serious diseases associated with dysregulated immune responses that to inflammatory, fibrotic, and autoimmune disorders. GRI Bio's program, GRI-0621, is a small molecule RAR-beta and gamma dual agonist that inhibits the activity of human NKT I cells, returning the immune system to homeostasis. It is also an oral formulation of tazarotene, a synthetic RAR-beta and gamma selective agonist for the topical treatment of psoriasis and acne. The company's other product candidate GRI-0803 is a novel oral agonist of type 2 Natural Killer T (type 2 NKT) cells which can be a potential treatment for autoimmune disorders.

HQ: La Jolla, CA5 employeesListed Apr 24, 2023gribio.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