NASDAQ · SLSHealthcarePharmaceuticals

SELLAS Life Sciences Group, Inc. Common Stock (SLS)

$9.14+3.04%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$9.14▲ 450.60% in range
Nov 4, 2025Low $1.39 · High $15.46Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

SELLAS Life Sciences Group closed at $9.14 on Nov 4, up 3.04%, 40.9% below its 52-week closing high. Volume of 5.4M shares was 0.75× its 20-day average (below normal).

Split-adjusted performance: -19.4% over one month, +77.5% over six months, +410.6% over one year.

Short interest was 53.8M shares at the Oct 15 settlement, down 2.5% from the prior report (27.0% of float, 11.9 days to cover).

Market cap$1.85B201.9M shares
Revenue · quarter$0.00—
Diluted EPS$-0.05—
P/E · TTM—
Net margin—
Dividend yieldNone$0.2403 last paid
52-week range1.39 – 15.46−40.9% from high
Volume5.4M0.75× 20-day avg
Volatility · 60d97.0%Annualised
Short % of float27.0%12.0 days to cover
Net cash$138.3MCash $138.3M
Next earnings—Not scheduled
Split-adjusted performance
1W −11.9%1M −19.4%3M −21.9%6M +77.5%YTD +142.4%1Y +410.6%3Y +687.9%5Y +6.9%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum97
Revenue growth—
Net margin—
Value (low P/E)—
Size80

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

Short interest

Details →
Shares short53.8M−2.5% vs prior
Days to cover12.0Settled Oct 15
% of float27.0%
Short vol. 10d58.3%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
SLSSELLAS Life Sciences Group$9.14+3.04%+77.5%———$1.85B
ZBIOZenas BioPharma$28.46+0.28%+36.6%—−11145.6%—$1.85BCompare
AGIOAgios Pharmaceuticals$31.38+0.58%+16.3%+259.3%−225.1%—$1.87BCompare
GENBGenerate Biomedicines$14.16+2.24%——−1065.2%—$1.82BCompare
BRVEBraveheart Bio$20.11−6.01%————$1.81BCompare
PGENPrecigen$5.06−3.71%+14.9%+6322.7%36.5%—$1.81BCompare
XERSXeris Biopharma Holdings$10.46+1.06%+64.2%+28.7%−33.8%—$1.91BCompare
STOKStoke Therapeutics$27.45+1.70%−17.5%+5.9%−654.3%—$1.77BCompare
NRIXNurix Therapeutics$15.95−38.23%−5.5%+8426.3%81.7%5.9$1.74BCompare

Quick answers

What does SELLAS Life Sciences Group do?
SELLAS Life Sciences Group Inc is a late-stage clinical biopharmaceutical company focused on the development of novel therapeutics for a broad range of cancer indications. The company's product candidates currently include galinpepimut-S, or GPS, a peptide immunotherapy directed against the Wilms tumor 1, or WT1, antigen, and GFH009, a selective small molecule cyclin-dependent kinase 9, or CDK9, inhibitor.
What is SLS's market cap?
$1.85B, based on the Nov 4 close of $9.14.
Does SELLAS Life Sciences Group pay a dividend?
No regular cash dividend has been paid in the last year.
How much of SLS is sold short?
53.8M shares, 27.0% of float, as of Oct 15, 2026.
What sector is SLS in?
Healthcare, in the Pharmaceuticals industry.

About SELLAS Life Sciences Group

SELLAS Life Sciences Group Inc is a late-stage clinical biopharmaceutical company focused on the development of novel therapeutics for a broad range of cancer indications. The company's product candidates currently include galinpepimut-S, or GPS, a peptide immunotherapy directed against the Wilms tumor 1, or WT1, antigen, and GFH009, a selective small molecule cyclin-dependent kinase 9, or CDK9, inhibitor.

HQ: New York, NY13 employeesListed Mar 12, 2008sellaslifesciences.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