MetaCap

Rigel Pharmaceuticals (RIGL) vs Seaport Therapeutics (SPTX)

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

Summary

Seaport Therapeutics is the larger company by market cap ($959.8 million vs $896.4 million), about 1.1 times the size.

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

Relative performance

RIGL+63.23%SPTX-9.63%
+73%+22%-28%
May 1, 20261 yearOct 7, 2026
RIGL+63.23%SPTX-9.63%
+70%+23%-23%
Apr 27, 20265 yearsOct 5, 2026

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

Head-to-head

RIGL versus SPTX key metrics
MetricRIGLSPTX
Share price$47.99$17.93
Market cap$896.45M$959.80M
1-day change+4.08%+3.22%
YTD return+12.05%—
1-year return+62.68%—
5-year return+41.98%—
P/E ratio (TTM)2.84—
Forward P/E9.72—
EPS (TTM)$16.88$-5.81
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$52.24$28.38
52-week low$24.95$14.85
Distance from 52-week high-8.14%-36.82%
Analyst consensusnonestrong_buy
Avg. price target upside+31.28%+113.55%
Average volume291.58K181.78K
Shares outstanding18.68M53.53M
Employees17258
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.

About Rigel Pharmaceuticals

RIGL stock →

Rigel Pharmaceuticals, Inc., a biotechnology company, develops and provides therapies that enhance the lives of patients with hematologic disorders and cancer in the United States. The company offers TAVALISSE, an oral spleen tyrosine kinase inhibitor for the treatment of adult patients with chronic immune thrombocytopenia; REZLIDHIA, a non-intensive monotherapy to treat adult patients with relapsed or refractory (R/R) acute myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test; and GAVRETO, a once daily, small molecule, oral, kinase inhibitor for the treatment of adult patients with metastatic rearranged during transfection (RET) fusion-positive non-small cell lung cancer (NSCLC), as well as to treat adult and pediatric patients twelve years of age and older with advanced or metastatic RET fusion-positive thyroid cancer.

Healthcare · Biotechnology · 172 employees

About Seaport Therapeutics

SPTX stock →

Seaport Therapeutics, Inc., a clinical-stage therapeutics company, focuses on inventing and developing new medicines for patients with depression, anxiety, and other debilitating neuropsychiatric disorders. It is leveraging its proprietary Glyph platform to advance a pipeline of therapies to address the unmet needs in depression and anxiety.

Healthcare · Biotechnology · 58 employees

RIGL vs SPTX FAQ

Which is bigger, Rigel Pharmaceuticals or Seaport Therapeutics?

Seaport Therapeutics (SPTX) is larger, with a market capitalization of $959.80M compared with $896.45M for Rigel Pharmaceuticals (RIGL).

Are Rigel Pharmaceuticals and Seaport Therapeutics in the same industry?

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

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