MetaCap

Janux Therapeutics (JANX) vs OPKO Health (OPK)

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

Summary

OPKO Health (OPK) has outperformed Janux Therapeutics (JANX) over the past year, losing 9.7% versus a loss of 21.0%. Over five years, JANX leads with a -15.2% price change compared with -62.6% for OPK. Janux Therapeutics is the larger company by market cap ($1.13 billion vs $1.02 billion), about 1.1 times the size.

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

Relative performance

JANX-21.02%OPK-9.74%
+58%+3%-51%
Oct 7, 20251 yearOct 7, 2026
JANX-15.91%OPK-62.33%
+219%+65%-90%
Oct 4, 20215 yearsOct 5, 2026

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

Head-to-head

JANX versus OPK key metrics
MetricJANXOPK
Share price$18.50$1.37
Market cap$1.13B$1.02B
1-day change+3.24%-1.44%
YTD return+29.86%+10.32%
1-year return-21.02%-9.74%
5-year return-15.19%-62.63%
EPS (TTM)$-1.64$-0.09
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$35.34$1.75
52-week low$12.12$0.98
Distance from 52-week high-47.65%-21.71%
Analyst consensusstrong_buynone
Avg. price target upside+95.89%+219.71%
Average volume836.60K3.35M
Shares outstanding61.14M746.33M
Employees1132,275
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

  • OPK has outperformed JANX by 11.3 percentage points over the past year.

About Janux Therapeutics

JANX stock →

Janux Therapeutics, Inc., a clinical stage biopharmaceutical company, develops immunotherapies based on Tumor Activated T Cell Engager (TRACTr), Tumor Activated Immunomodulator (TRACIr), and Adaptive Immune Response Modulator (ARM) platforms technology to treat patients with cancer. The company's clinical candidates include JANX007, a prostate-specific membrane antigen or PSMA-TRACTr, which is in Phase 1 clinical trial in adults for the treatment of metastatic castration-resistant prostate cancer and the vasculature of other tumors; and JANX008, an epidermal growth factor receptor that is in Phase 1 clinical trial for the treatment of various solid cancers, including colorectal cancer, squamous cell carcinoma of the head and neck, non-small cell lung cancer, renal cell carcinoma, small cell lung cancer, pancreatic ductal adenocarcinoma, and triple-negative breast cancer.

Health Care · Biotechnology: Pharmaceutical Preparations · 113 employees

About OPKO Health

OPK stock →

OPKO Health, Inc. operates as a healthcare company, in the United States, Ireland, Chile, Spain, Israel, Mexico, and internationally.

Health Care · Biotechnology: Pharmaceutical Preparations · 2,275 employees

JANX vs OPK FAQ

Which is bigger, Janux Therapeutics or OPKO Health?

Janux Therapeutics (JANX) is larger, with a market capitalization of $1.13B compared with $1.02B for OPKO Health (OPK).

Which stock has performed better over the past year, JANX or OPK?

OPK returned -9.74% over the past 12 months, compared with -21.02% for JANX (price return, excluding dividends). Past performance does not predict future results.

Are Janux Therapeutics and OPKO Health in the same industry?

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

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