Institutional shares held 162 Million
289K calls
1.6M puts
Total value of holdings $1.47B
$2.61M calls
$14.5M puts
Market Cap $420M
46,484,500 Shares Out.
Institutional ownership 349.52%
# of Institutions 212


Latest Institutional Activity in ETNB

Top Purchases

Q2 2025
Holocene Advisors, LP Shares Held: 3.07M ($27.7M)
Q2 2025
Point72 Asset Management, L.P. Shares Held: 2.27M ($20.6M)
Q2 2025
Adage Capital Partners Gp, L.L.C. Shares Held: 1.97M ($17.8M)
Q2 2025
Assenagon Asset Management S.A. Shares Held: 2.17M ($19.6M)
Q2 2025
Morgan Stanley Shares Held: 2.19M ($19.8M)

Top Sells

Q2 2025
Citadel Advisors LLC Shares Held: 3.84M ($34.7M)
Q2 2025
Rock Springs Capital Management LP Shares Held: 40K ($362K)
Q2 2025
Sphera Funds Management Ltd. Shares Held: 206K ($1.86M)
Q2 2025
Nuveen, LLC Shares Held: 639K ($5.77M)
Q2 2025
Redmile Group, LLC Shares Held: 1.55M ($14M)

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
6.47M Shares
From 8 Insiders
Open market or private purchase 5.75M shares
Grant, award, or other acquisition 721K shares
Sell / Disposition
529K Shares
From 9 Insiders
Payment of exercise price or tax liability 179K shares
Grant, award, or other acquisition 285K shares
Open market or private sale 64.7K shares

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