Institutional shares held 158 Million
366K calls
944K puts
Total value of holdings $1.42B
$3.28M calls
$8.47M puts
Market Cap $417M
46,484,500 Shares Out.
Institutional ownership 340.82%
# of Institutions 208


Latest Institutional Activity in ETNB

Top Purchases

Q1 2025
Ra Capital Management, L.P. Shares Held: 19.9M ($178M)
Q1 2025
Suvretta Capital Management, LLC Shares Held: 14.3M ($129M)
Q1 2025
Janus Henderson Group PLC Shares Held: 20.5M ($184M)
Q1 2025
Deep Track Capital, LP Shares Held: 9.32M ($83.6M)
Q1 2025
Polar Capital Holdings PLC Shares Held: 2.5M ($22.4M)

Top Sells

Q1 2025
Rtw Investments, LP Shares Held: 1.97M ($17.6M)
Q1 2025
Infinitum Asset Management, LLC Shares Held: 500K ($4.49M)
Q1 2025
Alliancebernstein L.P. Shares Held: 154K ($1.38M)
Q1 2025
Balyasny Asset Management LLC Shares Held: 337K ($3.02M)
Q1 2025
Laurion Capital Management LP Shares Held: 292K ($2.62M)

About ETNB

89bio, Inc., a clinical-stage biopharmaceutical company, focuses on the development and commercialization of therapies for the treatment of liver and cardio-metabolic diseases. Its lead product candidate is pegozafermin, a glycoPEGylated analog of fibroblast growth factor 21 for the treatment of nonalcoholic steatohepatitis. The company also intends to develop pegozafermin for the treatment of severe hypertriglyceridemia. 89bio, Inc. was incorporated in 2018 and is headquartered in San Francisco, California.


Insider Transactions at ETNB

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
6.5M Shares
From 8 Insiders
Open market or private purchase 5.75M shares
Grant, award, or other acquisition 746K shares
Sell / Disposition
407K Shares
From 8 Insiders
Payment of exercise price or tax liability 67.5K shares
Grant, award, or other acquisition 285K shares
Open market or private sale 54.2K shares

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