89BIO INC's ticker is ETNB and the CUSIP is 282559103. A total of 68 filers reported holding 89BIO INC in Q1 2021. The put-call ratio across all filers is 0.91 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $11,734 | -70.8% | 760 | -64.1% | 0.00% | – |
| Q2 2023 | $40,117 | -34.8% | 2,117 | -47.6% | 0.00% | – |
| Q1 2023 | $61,530 | +132.5% | 4,040 | +94.3% | 0.00% | – |
| Q4 2022 | $26,466 | +120.6% | 2,079 | 0.0% | 0.00% | – |
| Q3 2022 | $12,000 | +71.4% | 2,079 | 0.0% | 0.00% | – |
| Q2 2022 | $7,000 | -99.7% | 2,079 | -99.7% | 0.00% | – |
| Q1 2022 | $2,684,000 | -67.8% | 712,210 | +11.7% | 0.00% | -100.0% |
| Q4 2021 | $8,332,000 | -34.7% | 637,526 | -2.1% | 0.00% | 0.0% |
| Q3 2021 | $12,757,000 | +1.8% | 651,200 | -2.8% | 0.00% | 0.0% |
| Q2 2021 | $12,527,000 | +22.2% | 669,870 | +54.7% | 0.00% | 0.0% |
| Q1 2021 | $10,254,000 | -7.3% | 433,040 | -4.6% | 0.00% | 0.0% |
| Q4 2020 | $11,058,000 | +2143.0% | 453,740 | +2263.2% | 0.00% | – |
| Q3 2020 | $493,000 | – | 19,200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RA Capital Management | 11,416,948 | $216,351,165 | 4.08% |
| Orchard Capital Management, LLC | 542,879 | $10,287,557 | 3.46% |
| Artia Global Partners LP | 465,465 | $8,820,562 | 3.04% |
| Octagon Capital Advisors LP | 1,066,784 | $20,215,557 | 2.81% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 2,393,236 | $45,351,822 | 2.42% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 396,497 | $7,513,618 | 2.32% |
| Boxer Capital, LLC | 2,100,000 | $39,795 | 1.85% |
| Velan Capital Investment Management LP | 95,000 | $1,800,250 | 1.67% |
| Cormorant Asset Management, LP | 1,350,000 | $25,582,500 | 1.43% |
| Tri Locum Partners LP | 165,897 | $3,143,748 | 1.17% |