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89bio, Inc.

ETNBFDA catalysts, PDUFA dates & pipeline intelligence
$14.84
▲ +0.01 · +0.07%

Last traded Oct 29, 2025. This price is not current.

Financials

Last updated
Revenue
R&D Expenses
Operating CF
Total Assets
Total Liabilities
Equity
Shares Out.
D/E Ratio
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Quarterly Cash
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52W LOW $4.1652W HIGH $15.06
Volume
55.65 M
Value Traded
825.79 M
Short % Float
9.9%
Days to Cover
1.9
+0.27%Week
+0.95%1 Month
+57.87%3 Month
+78.8%6 Month
-38.24%5 Year
-25.8%All Time

Cash Data

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  • Monthly Burn
  • Burn Trend
  • Dilution Risk
  • SEC Filing

Key Stats

Market Cap
2.20 B
EPS (TTM)
-3.61
P/E Ratio
-
Ent. Value
1.68 B
Total Shares
148.49 M
Float Shares
146.01 M
Insiders
3.20%
Institutions
106.17%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
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Every FDA decision, readout and PDUFA date, with drug type, therapeutic area and a PoA score you can trade on.
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PoA blends historical approval base rates, trial design score and FDA review track record.

ETNB Catalyst Timeline

Dated clinical, regulatory and corporate events for 89bio, Inc.

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Every PDUFA date, readout, approval and corporate move, tiered by market impact and updated daily.
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Past FDA Catalysts and PDUFA Decisions

How ETNB actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
2025-12-31Pegozafermin (FGF21 analog) Phase 3 data readout Phase 3
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Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

Pipeline Score
Pipeline Value
Valuation Signal
1
Drugs Scored
rNPV / MCap
Top Drug
Showing 5 of 5 assets
DrugIndicationPhasePTRSrNPVStatusEnrollVelocityDesignEst. CompletionML SignalLast Change
Pegozafermin Monoclonal antibodyNCT06419374Metabolic Dysfunction-Associated Steatohepatitis (MASH) / Nonalcoholic Steatohepatitis (NASH) With Compensated CirrhosisPhase 3 RECRUITING 1,800Aug 31, 2031
Pegozafermin Monoclonal antibodyNCT06318169Metabolic Dysfunction-Associated Steatotic Liver Disease (MASH) / Nonalcoholic Steatohepatitis (NASH) With FibrosisPhase 3 RECRUITING 1,350Feb 1, 2029
Pegozafermin Small moleculeCompletedNCT04541186Severe HypertriglyceridemiaPhase 3 COMPLETED 455May 31, 2022
BIO89-100 Small moleculeCompletedNCT05022693NASH - Nonalcoholic SteatohepatitisPhase 2 COMPLETED 230Dec 21, 2021
Pegozafermin Small moleculeCompletedNCT04048135NASHPhase 1/2 COMPLETED 101Jan 19, 2022
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PTRS, rNPV, enrollment velocity, trial design quality and ML risk signals for every asset above.
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Clinical Trial Results

Readouts, endpoints and source filings for every ETNB program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
pegozafermin
Breakthrough
Nonalcoholic Steatohepatitis (NASH)Phase 2b2024-02-29sustained benefits of pegozafermin at week 48 in patients with advanced NASH, which was consistent across patient sub-groupsRead Morebio Reports Fourth Quarter and Full Year 2023 Financial Results and Provides Corporate Updates Plan to initiate the Phase 3 ENLIGHTEN NASH program for non-cirrhotic (F2-F3) and cirrhotic (F4) patients in the first and seRead More
Scroll for more · summaries link to the source press release
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Inside Trades

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Monthly insider buys and sells against the stock price, with the insider sentiment reading.
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InsiderSideSharesPriceValueDate
Martins RyanOfficer (Chief Financial Officer)Option 76,901 335,397 held$3.11 10/22/2025
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Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
RA CAPITAL MANAGEMENT, L.P. 3.6 % (9.1 %) 292.38 M 19.89 M
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Every 13F position with quarter over quarter share flow and average entry price.
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Shares held by hedge funds each quarter, and who bought or sold.

Ownership Trends

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Insider and institutional ownership, quarter by quarter.

ETNB Short Interest

Shares sold short, counted twice a month.

9.9%
Short % of Float
of tradable shares sold short
6.8M
Shares Sold Short
-22.4% vs prior count
1.9 Low
Days to Cover
trading days of normal volume to buy every short share back
3.5M
Avg Daily Volume
the average used for days to cover
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Two years of days to cover and shares sold short, with every count and its change.
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Options Data

Option Volume

Open Interest
Call OI
Put OI
Put-Call Ratio
OI 30-day avg
Today vs avg
Option Volume
Call Vol
Put Vol
Put-Call Ratio
Vol 30-day avg
Today vs avg

Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
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Per-expiry call and put volume, open interest, put-call ratios and implied volatility.
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Real-Time Option Chain

CallsStrikePuts
LastVolOILastVolOI
No data available
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Live calls and puts by strike: last price, volume and open interest for every expiry.
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Calls vs Puts by Expiry

CallsPutsLog scale
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Competitive positioning

How ETNB ranks across every disease it competes in

Competitive Position is a premium feature
See how ETNB ranks against every competitor across each disease it develops in: phase, best drug, trials and likelihood of approval.
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ETNB News

About 89bio, Inc.

Founded11-11-2019
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