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89BIO (ETNB) Institutional Ownership

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$14.81 -0.02 (-0.13%)
Closing price 10/8/2025 04:00 PM Eastern
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$14.82 +0.01 (+0.10%)
As of 06:24 AM Eastern
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Institutional Ownership Changes (13F Filings) for 89BIO (NASDAQ:ETNB)

Number of
Institutional Buyers
(last 12 months)
133
Total
Institutional Inflows
(last 12 months)
$435.34M
Number of
Institutional Sellers
(last 12 months)
50
Total
Institutional Outflows
(last 12 months)
$91.74M
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ETNB Institutional Buying and Selling by Quarter

89BIO Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/7/2025 Assenagon Asset Management S.A.242,716$3.57M0.0%-88.8%0.164%
10/7/2025 Sanders Morris Harris LLC163,914$2.41M0.3%N/A0.111%
9/4/2025Osaic Holdings Inc.6,463$63K0.0%+25.9%0.004%
8/18/2025Hudson Bay Capital Management LP225,700$2.22M0.0%-9.8%0.152%
8/15/2025Tower Research Capital LLC TRC 14,066$138K0.0%+338.6%0.009%
8/15/2025Exome Asset Management LLC233,426$2.29M1.2%-34.0%0.157%
8/15/2025Rafferty Asset Management LLC122,353$1.20M0.0%-10.9%0.082%
8/15/2025Holocene Advisors LP3,065,387$30.10M0.1%N/A2.067%
8/15/2025Hudson Bay Capital Management LP225,700$2.22M0.0%-9.8%0.152%
8/15/2025BNP Paribas Financial Markets18,542$182K0.0%-73.2%0.013%
8/15/2025Brevan Howard Capital Management LP45,965$451K0.0%N/A0.031%
8/15/2025Bank of America Corp DE1,249,954$12.28M0.0%+59.9%0.843%
8/15/2025Adage Capital Partners GP L.L.C.1,969,000$19.34M0.0%N/A1.328%
8/15/2025Ameriprise Financial Inc.138,410$1.36M0.0%N/A0.093%
8/14/2025Sandia Investment Management LP17,500$172K0.4%-30.0%0.012%
8/14/2025California State Teachers Retirement System105,654$1.04M0.0%+1.6%0.071%
8/14/2025Raymond James Financial Inc.571,602$5.61M0.0%+49.5%0.385%
8/14/2025Redmile Group LLC1,545,208$15.17M1.6%-18.1%1.042%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.74,371$731K0.0%+2.1%0.050%
8/14/2025The Manufacturers Life Insurance Company 67,547$663K0.0%+21.9%0.046%
8/14/2025Sei Investments Co.20,624$203K0.0%N/A0.014%
8/14/2025HighVista Strategies LLC47,633$468K0.2%N/A0.032%
8/14/2025Diadema Partners LP98,382$966K0.3%-57.5%0.066%
8/14/2025Pale Fire Capital SE26,578$261K0.0%+7.3%0.018%
8/13/2025Invesco Ltd.151,696$1.49M0.0%+31.1%0.102%
8/13/2025Panagora Asset Management Inc.329,881$3.24M0.0%-23.2%0.222%
8/13/2025New York State Common Retirement Fund39,467$388K0.0%+52.0%0.027%
8/13/2025Virtus Investment Advisers LLC9,775$96K0.0%-53.3%0.007%
8/13/2025F m Investments LLC217,742$2.14M0.1%+1.4%0.147%
8/13/2025Orchard Capital Management LLC198,119$1.95M2.2%-57.3%0.134%
8/13/2025DLD Asset Management LP30,020$295K0.0%N/A0.020%
8/12/2025XTX Topco Ltd53,366$524K0.0%N/A0.037%
8/12/2025Steward Partners Investment Advisory LLC25,567$251K0.0%+23.2%0.018%
8/12/2025Ameritas Investment Partners Inc.12,743$125K0.0%+12.6%0.009%
8/12/2025Prudential Financial Inc.15,645$154K0.0%N/A0.011%
8/12/2025American Century Companies Inc.149,018$1.46M0.0%-19.6%0.102%
8/12/2025Rhumbline Advisers193,818$1.90M0.0%+27.4%0.133%
8/12/2025Franklin Resources Inc.40,651$399K0.0%N/A0.028%
8/12/2025Legal & General Group Plc105,171$1.03M0.0%-1.5%0.072%
8/12/2025JPMorgan Chase & Co.79,573$781K0.0%+6.0%0.055%
8/12/2025Swiss National Bank195,200$1.92M0.0%-5.0%0.134%
8/12/2025Dynamic Technology Lab Private Ltd27,395$269K0.0%N/A0.019%
8/12/2025Westfield Capital Management Co. LP3,370,817$33.10M0.1%-13.5%2.309%
8/11/2025Persistent Asset Partners Ltd22,618$222K0.2%-57.5%0.015%
8/8/2025Intech Investment Management LLC62,201$611K0.0%+16.4%0.043%
8/8/2025Creative Planning13,914$137K0.0%N/A0.010%
8/8/2025Candriam S.C.A.766,211$7.53M0.0%-7.9%0.525%
8/8/2025Police & Firemen s Retirement System of New Jersey28,669$282K0.0%+18.4%0.020%
8/8/2025Geode Capital Management LLC3,111,299$30.56M0.0%+7.4%2.131%
8/8/2025PNC Financial Services Group Inc.20,875$205K0.0%-17.9%0.014%
8/8/2025KBC Group NV5,591$55K0.0%N/A0.004%
8/7/2025Profund Advisors LLC26,605$261K0.0%-9.0%0.018%
8/4/2025Emerald Mutual Fund Advisers Trust1,145,813$11.25M0.7%+5.8%0.785%
8/4/2025Emerald Advisers LLC1,844,370$18.11M0.7%+18.9%1.263%
8/1/2025Jennison Associates LLC234,190$2.30M0.0%N/A0.160%
8/1/2025Y Intercept Hong Kong Ltd17,876$176K0.0%N/A0.012%
7/31/2025AlphaQuest LLC6,614$65K0.0%+213.8%0.005%
7/29/2025VIRGINIA RETIREMENT SYSTEMS ET Al55,942$549K0.0%N/A0.038%
7/28/2025Allianz Asset Management GmbH61,000$599K0.0%+376.6%0.042%
7/25/2025CWM LLC7,827$77K0.0%+32.7%0.005%
7/24/2025Inspire Investing LLC39,312$386K0.0%-16.3%0.027%
7/24/2025Gilliland Jeter Wealth Management LLC52,749$518K0.2%+7.9%0.036%
7/23/2025KLP Kapitalforvaltning AS19,900$195K0.0%-40.8%0.014%
7/18/2025Truist Financial Corp25,000$246K0.0%+150.0%0.017%
7/11/2025 Assenagon Asset Management S.A.2,171,194$21.32M0.0%+406.2%1.487%
7/9/2025Harbor Capital Advisors Inc.217,752$2.14M0.1%-30.8%0.149%
6/27/2025Goldman Sachs Group Inc.995,449$7.24M0.0%+23.3%0.682%
6/18/2025Voya Investment Management LLC132,791$965K0.0%+417.9%0.091%
6/3/2025Inspire Investing LLC46,966$341K0.0%-9.2%0.032%
5/29/2025Rhumbline Advisers152,138$1.11M0.0%+17.0%0.104%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC268,798$1.95M0.0%+50.4%0.184%
5/19/2025Optimize Financial Inc20,130$146K0.1%-22.0%0.014%
5/16/2025Woodline Partners LP700,754$5.09M0.0%+77.5%0.480%
5/16/2025Exome Asset Management LLC353,882$2.57M2.2%+57.1%0.242%
5/16/2025Goldman Sachs Group Inc.995,449$7.24M0.0%+23.3%0.682%
5/16/2025Infinitum Asset Management LLC500,000$3.64M1.2%N/A0.343%
5/16/2025Newtyn Management LLC200,000$1.45M0.2%-16.7%0.137%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.72,856$535K0.0%+42.4%0.050%
5/16/2025Jacobs Levy Equity Management Inc.98,848$719K0.0%N/A0.068%
5/16/2025AQR Capital Management LLC80,199$583K0.0%N/A0.055%
5/16/2025Allostery Investments LP25,000$182K0.3%N/A0.017%
5/16/2025Alyeska Investment Group L.P.852,227$6.20M0.0%-7.9%0.584%
5/16/2025ADAR1 Capital Management LLC804,220$5.85M1.1%+56.1%0.551%
5/15/2025Redmile Group LLC1,886,444$13.71M1.3%-13.0%1.292%
5/15/2025RA Capital Management L.P.19,889,683$144.60M2.4%+40.3%13.625%
5/15/2025PDT Partners LLC66,088$480K0.0%-18.3%0.045%
5/15/2025Royal Bank of Canada66,688$484K0.0%-41.0%0.046%
5/15/2025Apis Capital Advisors LLC315,000$2.29M1.1%N/A0.216%
5/15/2025Ghisallo Capital Management LLC175,000$1.27M0.1%N/A0.120%
5/15/2025Panagora Asset Management Inc.429,392$3.12M0.0%+272.1%0.294%
5/15/2025Trexquant Investment LP99,183$721K0.0%N/A0.068%
5/15/2025Beck Bode LLC1,815,524$13.20M2.5%N/A1.244%
5/14/2025Ieq Capital LLC12,272$89K0.0%N/A0.008%
5/14/2025Affinity Asset Advisors LLC175,000$1.27M0.1%N/A0.120%
5/14/2025Rafferty Asset Management LLC137,247$998K0.0%+54.7%0.094%
5/14/2025Corebridge Financial Inc.54,823$399K0.0%+31.7%0.038%
5/14/2025Comerica Bank258,123$1.88M0.0%+0.6%0.177%
5/14/2025MetLife Investment Management LLC66,035$480K0.0%+31.4%0.045%
5/14/2025Walleye Capital LLC44,592$324K0.0%-89.7%0.031%
5/14/2025University of Wisconsin Foundation1,153,357$8.39M6.5%+25.7%0.790%
(Data available from 1/1/2016 forward)

ETNB Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ETNB shares?

During the previous two years, 189 institutional investors and hedge funds held shares of 89BIO. The most heavily invested institutionals were RA Capital Management L.P. ($144.60M), Janus Henderson Group PLC ($129.18M), Suvretta Capital Management LLC ($79.79M), RTW Investments LP ($58.48M), Vanguard Group Inc. ($52.08M), Deep Track Capital LP ($50.66M), and BVF Inc. IL ($33.89M).Learn more on 89BIO's institutional investors.

Which institutional investors have been buying 89BIO's stock?

Of the 169 institutional investors that purchased 89BIO's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($7.06M), Janus Henderson Group PLC ($6.93M), RTW Investments LP ($5.68M), Avoro Capital Advisors LLC ($4.10M), Deep Track Capital LP ($3.71M), Holocene Advisors LP ($3.07M), and Vanguard Group Inc. ($2.73M).

How much institutional buying is happening at 89BIO?

Institutional investors have bought a total of 54,866,518 shares in the last 24 months. This purchase volume represents approximately $435.34M in transactions.

Which of 89BIO's major shareholders have been selling company stock?

Of the 50 institutional investors that sold 89BIO's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: BVF Inc. IL ($2.48M), Assenagon Asset Management S.A. ($1.93M), Redmile Group LLC ($797.77K), Adage Capital Partners GP L.L.C. ($525K), Westfield Capital Management Co. LP ($523.92K), Walleye Capital LLC ($390.71K), and Franklin Resources Inc. ($327.66K).

How much institutional selling is happening at 89BIO?

Institutional investors have sold a total of 9,679,141 shares in the last 24 months. This volume of shares sold represents approximately $91.74M in transactions.


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This page (NASDAQ:ETNB) was last updated on 10/9/2025 by MarketBeat.com Staff
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