Phathom Pharmaceuticals
PHATNasdaq United StatesHealth CareBiotechnology: Pharmaceutical Preparations
Market cap
$412.961 M
$5.08 -10.56%
Close of 6 Nov 2026
As of 6 Nov 2026, Phathom Pharmaceuticals (PHAT) has a market capitalization of $413.0M. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
$175.1M
#2318 by revenue
Earnings
-$221.3K
Loss-making
Shares outstanding
81,291,520
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Biotechnology: Pharmaceutical Preparations, ranked by market cap
All 498 →- #199ArvinasARVN$427.0M
- #200OculisOCS$419.1M
- #201Phathom PharmaceuticalsPHAT$413.0M
- #202CorMedixCRMD$407.3M
- #203Prothena Corp PublicPRTA$406.3M
What if Phathom Pharmaceuticals were worth as much as…
Open the what-if tool →Where these numbers come from
Share counts and financials for Phathom Pharmaceuticals are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.