89bio Ownership | Who Owns 89bio?


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89bio Ownership Summary


89bio is owned by 112.32% institutional investors, 1.40% insiders. Janus henderson group is the largest institutional shareholder, holding 15.42% of ETNB shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.72% of its assets in 89bio shares.

ETNB Ownership Benchmark


TypeName% Inst% Insiders% Retail
Stock89bio112.32%1.40%-13.72%
SectorHealthcare Stocks 57.39%9.93%32.68%
IndustryBiotech Stocks 68.48%9.65%21.87%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Janus henderson group16.51M15.42%$129.18M
Ra capital management14.18M13.24%$110.85M
Suvretta capital management10.20M9.53%$79.79M
Blackrock funding, inc. /de7.89M7.37%$61.70M
Blackrock7.02M7.03%$56.19M
Rtw investments, lp7.48M6.98%$58.48M
Deep track capital, lp6.48M6.05%$50.66M
Vanguard group5.69M5.32%$44.51M
Bvf inc/il4.33M4.05%$33.89M
Avoro capital advisors4.10M3.83%$32.06M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
University of wisconsin foundation917.36K5.21%$7.17M
Suvretta capital management10.20M2.72%$79.79M
Ally bridge group (ny)317.83K2.13%$2.49M
Deep track capital, lp6.48M1.89%$50.66M
Ra capital management14.18M1.48%$110.85M
Exome asset management225.32K1.32%$1.76M
Redmile group2.17M1.18%$16.95M
Bvf inc/il4.33M1.15%$33.89M
Stempoint capital lp545.80K1.07%$4.27M
Superstring capital management lp132.98K0.90%$1.04M

Top Buyers

HolderShares% AssetsChange
Avoro capital advisors4.10M0.45%4.10M
Deep track capital, lp6.48M1.89%3.71M
Suvretta capital management10.20M2.72%2.21M
Janus henderson group16.51M0.07%1.36M
Balyasny asset management1.02M0.01%1.02M

Top Sellers

HolderShares% AssetsChange
Holocene advisors, lp---3.45M
Bvf inc/il4.33M1.15%-2.48M
Exoduspoint capital management, lp---871.40K
Adage capital partners gp350.00K0.00%-525.00K
Morgan stanley292.44K0.00%-520.18K

New Positions

HolderShares% AssetsChangeValue
Avoro capital advisors4.10M0.45%4.10M$32.06M
Rock springs capital management lp552.74K0.16%552.74K$4.32M
Stempoint capital lp545.80K1.07%545.80K$4.27M
Raymond james financial377.37K0.00%377.37K$2.95M
Bnp paribas arbitrage, snc351.33K0.00%351.33K$2.75M

Sold Out

HolderChange
Nelson, van denburg & campbell wealth management group-12.00
Riggs asset managment-31.00
Ica group wealth management-110.00
Bessemer group-130.00
Clearstead advisors-177.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 20241606.67%120,266,53715.09%1121.18%10120.24%38-2.56%
Sep 30, 2024150-104,499,4301.78%970.92%84-1.18%39-7.14%
Jun 30, 2024150-6.25%102,669,4105.08%1020.99%85-9.57%42-16.00%
Mar 31, 20241601.27%97,704,6864.35%1010.76%94-3.09%5013.64%
Dec 31, 2023158-13.19%93,636,13130.23%1161.31%97-1.02%44-18.52%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv3.97M2.72%-
Janus Henderson Global Life Sciences D3.00M2.05%235.15K
iShares Russell 2000 ETF2.93M2.01%-25.36K
Janus Henderson Global Life Sciences2.76M1.98%-195.87K
Pictet Biotech2.04M1.94%2.04M
Janus Global Life Science AUSD2.19M1.86%-9.33K
Vanguard US Total Market Shares ETF2.65M1.81%-
Janus Henderson Glb Life Scn I2 USD2.42M1.66%19.69K
Janus Henderson Triton D2.40M1.64%700.43K
Pictet-Biotech P USD2.04M1.39%-3.75K

Recent Insider Transactions


DateNameRoleActivityValue
Jan 30, 2025RA CAPITAL MANAGEMENT, L.P. Buy$50.00M
Jan 22, 2025McWherter Charles-Buy$67.10K
Jan 21, 2025McWherter Charles-Buy$32.75K
Jan 15, 2025Le-Nguyen Quoc See RemarksSell$71.15K
Dec 06, 2024PALEKAR ROHAN Chief Executive OfficerBuy$39.45K

Insider Transactions Trends


DateBuySell
2025 Q131
2024 Q441
2024 Q3--
2024 Q2-1
2024 Q111

ETNB Ownership FAQ


Who Owns 89bio?

89bio shareholders are primarily institutional investors at 112.32%, followed by 1.40% insiders and -13.72% retail investors. The average institutional ownership in 89bio's industry, Biotech Stocks , is 68.48%, which 89bio exceeds.

Who owns the most shares of 89bio?

89bio’s largest shareholders are Janus henderson group (16.51M shares, 15.42%), Ra capital management (14.18M shares, 13.24%), and Suvretta capital management (10.2M shares, 9.53%). Together, they hold 38.19% of 89bio’s total shares outstanding.

Does Blackrock own 89bio?

Yes, BlackRock owns 7.03% of 89bio, totaling 7.02M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 56.19M$. In the last quarter, BlackRock increased its holdings by 377.59K shares, a 5.69% change.

Who is 89bio’s biggest shareholder by percentage of total assets invested?

University of wisconsin foundation is 89bio’s biggest shareholder by percentage of total assets invested, with 5.21% of its assets in 917.36K 89bio shares, valued at 7.17M$.

Who is the top mutual fund holder of 89bio shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of 89bio shares, with 2.72% of its total shares outstanding invested in 3.97M 89bio shares.

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