89bio Ownership | Who Owns 89bio?
89bio Ownership Summary
89bio is owned by 102.08% institutional investors, 0.54% 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 3.17% of its assets in 89bio shares.
ETNB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | 89bio | 102.08% | 0.54% | -2.62% |
| Sector | Healthcare Stocks | 487.91% | 11.08% | -398.99% |
| Industry | Biotech Stocks | 307.10% | 11.11% | -218.21% |
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 | 12.60% | $195.32M |
| Suvretta capital management | 14.21M | 9.00% | $139.54M |
| Blackrock | 7.02M | 7.03% | $56.19M |
| Blackrock funding, inc. /de | 10.57M | 6.69% | $103.79M |
| Deep track capital, lp | 9.50M | 6.02% | $93.29M |
| Vanguard group | 5.69M | 5.32% | $44.51M |
| Avoro capital advisors | 6.75M | 4.28% | $66.28M |
| State street | 2.95M | 2.75% | $23.03M |
| Pictet asset management sa | 4.04M | 2.56% | $39.63M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| University of wisconsin foundation | 1.15M | 12.67% | $11.33M |
| Suvretta capital management | 14.21M | 4.21% | $139.54M |
| Silverarc capital management | 2.04M | 3.69% | $20.00M |
| Ra capital management | 19.89M | 3.29% | $195.32M |
| Deep track capital, lp | 9.50M | 2.99% | $93.29M |
| Superstring capital management lp | 212.38K | 2.47% | $2.09M |
| Orchard capital management | 198.12K | 2.15% | $1.95M |
| Redmile group | 1.55M | 1.61% | $15.17M |
| Exome asset management | 233.43K | 1.45% | $2.29M |
| Adar1 capital management | 875.98K | 1.32% | $8.60M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Holocene advisors, lp | 3.07M | 0.07% | 3.07M |
| Point72 asset management | 2.27M | 0.04% | 2.27M |
| Adage capital partners gp | 1.97M | 0.03% | 1.97M |
| Janus henderson group | 16.51M | 0.07% | 1.36M |
| Vanguard group | 5.69M | 0.00% | 686.05K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Bvf inc/il | - | - | -4.33M |
| Logos global management lp | - | - | -2.50M |
| Assenagon asset management | 242.72K | 0.00% | -1.93M |
| Beck bode | - | - | -1.82M |
| Frazier life sciences management | - | - | -1.00M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Holocene advisors, lp | 3.07M | 0.07% | 3.07M | $30.10M |
| Point72 asset management | 2.27M | 0.04% | 2.27M | $22.33M |
| Bnp paribas arbitrage, snc | 351.33K | 0.00% | 351.33K | $2.75M |
| Dimensional fund advisors lp | 342.23K | 0.00% | 342.23K | $2.68M |
| Jennison associates | 234.19K | 0.00% | 234.19K | $2.30M |
Sold Out
| Holder | Change |
|---|---|
| Lindbrook capital | -5.00 |
| Nelson, van denburg & campbell wealth management group | -12.00 |
| Parallel advisors | -25.00 |
| True wealth design | -25.00 |
| Riggs asset managment | -31.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 198 | -0.50% | 161,166,185 | 4.43% | 102 | 0.92% | 109 | -23.78% | 57 | 54.05% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 4.70M | 3.17% | -104.88K |
| iShares Russell 2000 ETF | 3.00M | 2.02% | - |
| Janus Henderson Global Life Sciences | 2.92M | 2.00% | -50.20K |
| Janus Henderson Global Life Sciences D | 2.92M | 1.97% | -28.64K |
| Pictet Biotech | 2.04M | 1.94% | 2.04M |
| Vanguard US Total Market Shares ETF | 2.65M | 1.81% | - |
| Polar Capital Biotech S Inc | 2.48M | 1.67% | - |
| Janus Global Life Science AUSD | 2.41M | 1.65% | -4.33K |
| Janus Henderson US SMID Cap Growth MA | 2.35M | 1.61% | 2.35M |
| Janus Henderson US SMID Cap Growth | 2.35M | 1.61% | -27.66K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 15, 2025 | Le-Nguyen Quoc | See Remarks | Sell | $115.28K |
| 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 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | - |
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 1 |
| 2025 Q1 | 3 | 1 |
| 2024 Q4 | 4 | 1 |
ETNB Ownership FAQ
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