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NASDAQ: ETNB
89bio Inc Stock Ownership - Who owns 89bio?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have 89bio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Quoc LenguyenChief Technical Operations Officer2025-06-128,498$9.62
$81.75kSell
Quoc LenguyenChief Technical Operations Officer2025-06-12534$9.62
$5.14kSell
Ryan MartinsChief Financial Officer2025-06-128,498$9.62
$81.75kSell
Harry H. MansbachChief Medical Officer2025-06-128,498$9.62
$81.75kSell
Quoc LenguyenChief Technical Operations Officer2025-04-1515,329$5.95
$91.21kSell
Ryan MartinsChief Financial Officer2025-02-17780$10.57
$8.24kSell
Rohan PalekarChief Executive Officer2025-02-173,249$10.57
$34.34kSell
Quoc LenguyenChief Technical Operations Officer2025-02-171,050$10.57
$11.10kSell
Harry H. MansbachChief Medical Officer2025-02-171,050$10.57
$11.10kSell
Ryan MartinsChief Financial Officer2025-02-093,828$11.41
$43.68kSell

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Net Insider Buy/Sell (L12M) Ownership

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ETNB Shareholders

What type of owners hold 89bio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Janus Henderson Group PLC14.02%20,462,905$213.02MInstitution
Ra Capital Management LP13.62%19,889,683$207.05MInstitution
Suvretta Capital Management LLC9.82%14,335,244$149.23MInstitution
Blackrock Inc6.90%10,075,344$104.88MInstitution
Deep Track Capital LP6.38%9,316,333$96.98MInstitution
Vanguard Group Inc4.91%7,163,609$74.57MInstitution
Avoro Capital Advisors LLC4.35%6,350,000$66.10MInstitution
Ra Capital Management LP3.63%5,301,133$55.18MInsider
Citadel Advisors LLC3.48%5,086,836$52.95MInstitution
Pictet Asset Management Holding Sa2.88%4,204,887$43.77MInstitution

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ETNB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETNB90.49%9.51%Net BuyingNet Selling
SPRY45.74%54.26%Net SellingNet Selling
JANX63.76%36.24%Net SellingNet Buying
ADPT63.22%36.78%Net SellingNet Selling
BHVN82.43%17.57%Net Buying
View Top Biotech Stocks

89bio Stock Ownership FAQ

Who owns 89bio?

89bio (NASDAQ: ETNB) is owned by 105.67% institutional shareholders, 11.11% 89bio insiders, and 0.00% retail investors. Ra Capital Management LP is the largest individual 89bio shareholder, owning 5.30M shares representing 3.63% of the company. Ra Capital Management LP's 89bio shares are currently valued at $55.18M.

If you're new to stock investing, here's how to buy 89bio stock.
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