NASDAQ · CMPXHealthcareBiotechnology

Compass Therapeutics, Inc. Common Stock (CMPX)

$0.7627+1.29%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$0.77▼ 79.63% in range
Nov 4, 2025Low $0.75 · High $6.69Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Compass Therapeutics closed at $0.76 on Nov 4, up 1.29%, within 2.1% of its 52-week closing low. Volume of 1.9M shares was 0.64× its 20-day average (below normal).

Split-adjusted performance: -23.6% over one month, -59.2% over six months, -79.6% over one year.

Short interest was 41.8M shares at the Oct 15 settlement, up 3.7% from the prior report (33.9% of float, 5.6 days to cover).

Market cap$137.4M180.1M shares
Revenue · quarter$0.00—
Diluted EPS$-0.13—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range0.75 – 6.69−88.6% from high
Volume1.9M0.64× 20-day avg
Volatility · 60d100.5%Annualised
Short % of float33.9%5.6 days to cover
Net cash$179.9MCash $179.9M
Next earnings—Not scheduled
Split-adjusted performance
1W +0.3%1M −23.6%3M −61.7%6M −59.2%YTD −85.8%1Y −79.6%3Y −56.9%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Biotechnology

Percentile among 139 companies (100 = best)

6-month momentum20
Revenue growth—
Net margin—
Value (low P/E)—
Size41

Industry medians: 6-month return −19.2%, revenue growth +8.8%, net margin −312.9%, P/E 22.0×.

Short interest

Details →
Shares short41.8M+3.7% vs prior
Days to cover5.6Settled Oct 15
% of float33.9%
Short vol. 10d41.7%of daily volume

Closest peers by size in Biotechnology

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
CMPXCompass Therapeutics$0.7627+1.29%−59.2%———$137.4M
TARAProtara Therapeutics$2.35−2.49%−58.5%———$138.9MCompare
CHRSCoherus Oncology$0.8502+5.54%−51.4%+39.5%−144.2%—$131.4MCompare
HUMAHumacyte$0.4500+2.16%−54.2%+34.9%−9064.5%—$125.0MCompare
AVXLAnavex Life Sciences$1.26+5.00%−62.3%———$116.8MCompare
ARMPArmata Pharmaceuticals$3.14+1.62%−65.3%+15.7%2953.8%—$116.8MCompare
ENGNenGene Therapeutics$1.72+6.17%−80.6%———$115.3MCompare
VYGRVoyager Therapeutics$1.87+2.19%−55.2%−39.1%−773.2%—$115.2MCompare
STROSutro Biopharma$9.94+4.52%−73.6%−84.6%−391.6%—$164.8MCompare

Quick answers

What does Compass Therapeutics do?
Compass Therapeutics Inc is a clinical-stage oncology-focused biopharmaceutical company that develops proprietary antibody therapeutics to engage the immune system to treat multiple human diseases. The company's scientific focus is on the relationship between angiogenesis, the immune system, and tumor growth.
What is CMPX's market cap?
$137.35M, based on the Nov 4 close of $0.76.
Does Compass Therapeutics pay a dividend?
No regular cash dividend has been paid in the last year.
How much of CMPX is sold short?
41.8M shares, 33.9% of float, as of Oct 15, 2026.
What sector is CMPX in?
Healthcare, in the Biotechnology industry.

About Compass Therapeutics

Compass Therapeutics Inc is a clinical-stage oncology-focused biopharmaceutical company that develops proprietary antibody therapeutics to engage the immune system to treat multiple human diseases. The company's scientific focus is on the relationship between angiogenesis, the immune system, and tumor growth. It is engaged in drug discovery by leveraging its proprietary antibody discovery engine to target the immune system and identify optimal combinations empirically broadly. Through StitchMabs and common light chain platforms, these combinatorial insights can be rapidly translated into tailored bispecifics with monoclonal-like manufacturability. Its pipeline is comprised of the following product candidates; CTX-009, CTX-471, CTX-10726, VEGF-A, Bispecific, and CTX-8371.

HQ: Boston, MA39 employeesListed Nov 13, 2020compasstherapeutics.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