MetaCap

Annexon (ANNX) vs Collegium Pharmaceutical (COLL)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

Annexon (ANNX) has outperformed Collegium Pharmaceutical (COLL) over the past year, gaining 30.6% versus a loss of 34.3%. Over five years, COLL leads with a +4.5% price change compared with -81.8% for ANNX. Annexon is the larger company by market cap ($757.4 million vs $718.5 million), about 1.1 times the size.

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

Relative performance

ANNX+30.62%COLL-34.32%
+135%+46%-43%
Oct 7, 20251 yearOct 7, 2026
ANNX-80.13%COLL+8.08%
+158%+26%-105%
Oct 4, 20215 yearsOct 5, 2026

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

Head-to-head

ANNX versus COLL key metrics
MetricANNXCOLL
Share price$4.00$22.07
Market cap$757.37M$718.50M
1-day change-0.37%+0.64%
YTD return-20.12%-52.63%
1-year return+30.62%-34.32%
5-year return-81.77%+4.53%
P/E ratio (TTM)—17.38
Forward P/E—3.32
EPS (TTM)$-1.13$1.27
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$7.18$50.79
52-week low$2.54$21.43
Distance from 52-week high-44.36%-56.54%
Analyst consensusbuystrong_buy
Avg. price target upside+286.23%+122.02%
Average volume3.11M748.29K
Shares outstanding189.58M32.56M
Employees92423
SectorHealth CareHealth Care
IndustryBiotechnology: Pharmaceutical PreparationsBiotechnology: Pharmaceutical Preparations

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

  • ANNX has outperformed COLL by 64.9 percentage points over the past year.

About Annexon

ANNX stock →

Annexon, Inc., a clinical-stage biopharmaceutical company, discovers and develops medicines for treating inflammatory-related diseases. The company provides Tanruprubart, an investigational full-length monoclonal antibody, which is in Phase 3 clinical trial for the treatment of patients with guillain-barré syndrome; completed Phase II clinical trial for treating Huntington's disease; and in Phase 2a clinical trial for the treatment of amyotrophic lateral sclerosis.

Health Care · Biotechnology: Pharmaceutical Preparations · 92 employees

About Collegium Pharmaceutical

COLL stock →

Collegium Pharmaceutical, Inc., a specialty pharmaceutical company, engages in the development and commercialization of medicines for pain management. The company's portfolio includes Jornay PM, a central nervous system stimulant prescription medicine that contains methylphenidate HCl for the treatment of attention deficit hyperactivity disorder; Belbuca, a buccal film that contains buprenorphine for severe and persistent pain that requires an extended treatment period; Xtampza ER, an abuse-deterrent, extended-release, oral formulation of oxycodone for the management of pain severe enough to require daily; Nucynta ER and Nucynta IR, which are extended-release and immediate-release oral formulations of tapentadol, indicated for the management of acute, severe, and persistent pain; and Symproic, an oral formulation of naldemedine for the treatment of opioid-induced constipation in adult patients with chronic non-cancer pain.

Health Care · Biotechnology: Pharmaceutical Preparations · 423 employees

ANNX vs COLL FAQ

Which is bigger, Annexon or Collegium Pharmaceutical?

Annexon (ANNX) is larger, with a market capitalization of $757.37M compared with $718.50M for Collegium Pharmaceutical (COLL).

Which stock has performed better over the past year, ANNX or COLL?

ANNX returned +30.62% over the past 12 months, compared with -34.32% for COLL (price return, excluding dividends). Past performance does not predict future results.

Are Annexon and Collegium Pharmaceutical in the same industry?

Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.

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