89bio Ownership | Who Owns 89bio?
89bio Ownership Summary
89bio is owned by 31.84% institutional investors, 0.63% insiders, and 67.53% retail investors. 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 2.73% of its assets in 89bio shares.
ETNB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | 89bio | 31.84% | 0.63% | 67.53% |
| Sector | Healthcare Stocks | 279.19% | 10.62% | -189.81% |
| Industry | Biotech Stocks | 63.96% | 10.74% | 25.30% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Janus henderson group | 16.51M | 15.42% | $129.18M |
| Ra capital management | 19.89M | 13.59% | $144.60M |
| Suvretta capital management | 10.20M | 9.53% | $79.79M |
| Blackrock funding, inc. /de | 7.89M | 7.37% | $61.70M |
| Blackrock | 7.02M | 7.03% | $56.19M |
| Deep track capital, lp | 9.32M | 6.37% | $67.73M |
| Vanguard group | 5.69M | 5.32% | $44.51M |
| Avoro capital advisors | 6.35M | 4.34% | $46.16M |
| Westfield capital management co lp | 3.89M | 3.63% | $30.39M |
| Pictet asset management sa | 3.01M | 2.81% | $23.52M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| University of wisconsin foundation | 1.15M | 7.12% | $8.38M |
| Suvretta capital management | 10.20M | 2.72% | $79.79M |
| Ra capital management | 19.89M | 2.41% | $144.60M |
| Exome asset management | 353.88K | 2.29% | $2.57M |
| Silverarc capital management | 1.51M | 2.25% | $10.98M |
| Deep track capital, lp | 9.32M | 2.19% | $67.73M |
| Redmile group | 1.89M | 1.30% | $13.71M |
| Apis capital advisors | 315.00K | 1.11% | $2.29M |
| Adar1 capital management | 804.22K | 1.09% | $5.85M |
| Sio capital management | 500.00K | 1.08% | $3.63M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ra capital management | 19.89M | 2.41% | 5.71M |
| Deep track capital, lp | 9.32M | 2.19% | 2.84M |
| Avoro capital advisors | 6.35M | 0.72% | 2.25M |
| Suvretta capital management | 10.20M | 2.72% | 2.21M |
| Silverarc capital management | 1.51M | 2.25% | 1.41M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rtw investments, lp | 1.97M | 0.22% | -5.51M |
| Bvf inc/il | - | - | -4.33M |
| Holocene advisors, lp | - | - | -3.45M |
| Frazier life sciences management | - | - | -1.00M |
| Exoduspoint capital management, lp | - | - | -871.40K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Rock springs capital management lp | 552.74K | 0.16% | 552.74K | $4.32M |
| Sio capital management | 500.00K | 1.08% | 500.00K | $3.63M |
| Raymond james financial | 377.37K | 0.00% | 377.37K | $2.95M |
| Bnp paribas arbitrage, snc | 351.33K | 0.00% | 351.33K | $2.75M |
| Dimensional fund advisors lp | 342.23K | 0.00% | 342.23K | $2.68M |
Sold Out
| Holder | Change |
|---|---|
| Lindbrook capital | -5.00 |
| Nelson, van denburg & campbell wealth management group | -12.00 |
| Riggs asset managment | -31.00 |
| Ica group wealth management | -110.00 |
| Bessemer group | -130.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 25 | -84.57% | 46,598,870 | -61.57% | 31 | 0.25% | 19 | -81.37% | 4 | -89.19% |
| Dec 31, 2024 | 160 | 6.67% | 120,266,537 | 15.09% | 112 | 1.18% | 101 | 20.24% | 38 | -2.56% |
| Sep 30, 2024 | 150 | - | 104,499,430 | 1.78% | 97 | 0.92% | 84 | -1.18% | 39 | -7.14% |
| Jun 30, 2024 | 150 | -6.25% | 102,669,410 | 5.08% | 102 | 0.99% | 85 | -9.57% | 42 | -16.00% |
| Mar 31, 2024 | 160 | 1.27% | 97,704,686 | 4.35% | 101 | 0.76% | 94 | -3.09% | 50 | 13.64% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.99M | 2.73% | 16.20K |
| Janus Henderson Global Life Sciences | 2.97M | 2.03% | 206.63K |
| Janus Henderson Global Life Sciences D | 2.97M | 2.03% | -10.97K |
| iShares Russell 2000 ETF | 2.87M | 1.96% | 1.40K |
| Pictet Biotech | 2.04M | 1.94% | 2.04M |
| Vanguard US Total Market Shares ETF | 2.65M | 1.81% | - |
| Polar Capital Biotech S Inc | 2.50M | 1.71% | - |
| Janus Global Life Science AUSD | 2.42M | 1.66% | 225.46K |
| Janus Henderson Glb Life Scn I2 USD | 2.38M | 1.63% | -34.76K |
| Janus Henderson Triton D | 2.37M | 1.63% | -24.70K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 15, 2025 | Le-Nguyen Quoc | See Remarks | Sell | $91.21K |
| Jan 30, 2025 | RA CAPITAL MANAGEMENT, L.P. | Buy | $50.00M | |
| Jan 22, 2025 | McWherter Charles | - | Buy | $67.10K |
| Jan 21, 2025 | McWherter Charles | - | Buy | $32.75K |
| Jan 15, 2025 | Le-Nguyen Quoc | See Remarks | Sell | $71.15K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 1 |
| 2025 Q1 | 3 | 1 |
| 2024 Q4 | 4 | 1 |
| 2024 Q3 | - | - |
| 2024 Q2 | - | 1 |
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