MetaCap

AC Immune SA (ACIU) vs Compass Therapeutics (CMPX)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 18, 2026.

Summary

AC Immune SA (ACIU) has outperformed Compass Therapeutics (CMPX) over the past year, losing 17.6% versus a loss of 79.8%. Over five years, ACIU leads with a -60.4% price change compared with -73.5% for CMPX. AC Immune SA is the larger company by market cap ($237.6 million vs $154.9 million), about 1.5 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

ACIU-17.59%CMPX-79.81%
+64%-11%-87%
Oct 17, 20251 yearOct 16, 2026
ACIU-61.33%CMPX-73.21%
+112%+14%-85%
Oct 11, 20215 yearsOct 12, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

ACIU versus CMPX key metrics
MetricACIUCMPX
Share price$2.39$0.86
Market cap$237.63M$154.88M
1-day change-2.45%-4.09%
YTD return-23.89%-83.99%
1-year return-17.59%-79.81%
5-year return-60.36%-73.54%
Forward P/E3.98—
EPS (TTM)$-0.54$-0.39
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
Revenue (latest FY)—$0
Revenue growth (YoY)—-100.00%
Net income (latest FY)—$-66.49M
52-week high$4.00$6.88
52-week low$2.10$0.822
Distance from 52-week high-40.25%-87.50%
Analyst consensusstrong_buynone
Avg. price target upside+261.51%+533.72%
Average volume198.18K4.30M
Shares outstanding99.43M180.09M
Employees9039
SectorHealthcareHealthcare
IndustryBiotechnologyBiotechnology

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • ACIU has outperformed CMPX by 62.2 percentage points over the past year.

About AC Immune SA

ACIU stock →

AC Immune SA, a clinical stage biopharmaceutical company, discovers, designs, and develops medicines, and therapeutic and diagnostic products for the prevention and treatment of neurodegenerative diseases associated with protein misfolding. The company's SupraAntigen and Morphomer platforms are designed to generate biologics and small molecules, which selectively interact with misfolded proteins that are common in a range of neurodegenerative diseases.

Healthcare · Biotechnology · 90 employees

About Compass Therapeutics

CMPX stock →

Compass Therapeutics, Inc., a clinical-stage oncology-focused biopharmaceutical company, develops antibody-based therapeutics for the treatment of various human diseases in the United States. The company's lead product candidate, tovecimig, is a bispecific antibody that targets delta-like ligand 4 (DLL4) and vascular endothelial growth factor A (VEGF-A), which are critical to angiogenesis and tumor vascularization.

Healthcare · Biotechnology · 39 employees

ACIU vs CMPX FAQ

Which is bigger, AC Immune SA or Compass Therapeutics?

AC Immune SA (ACIU) is larger, with a market capitalization of $237.63M compared with $154.88M for Compass Therapeutics (CMPX).

Which stock has performed better over the past year, ACIU or CMPX?

ACIU returned -17.59% over the past 12 months, compared with -79.81% for CMPX (price return, excluding dividends). Past performance does not predict future results.

Are AC Immune SA and Compass Therapeutics in the same industry?

Yes. Both are classified in the Biotechnology industry within the Healthcare sector.

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