89bio
ETNB
ETNB was delisted on the 29th of October, 2025.
155 hedge funds and large institutions have $949M invested in 89bio in 2024 Q4 according to their latest regulatory filings, with 32 funds opening new positions, 73 increasing their positions, 35 reducing their positions, and 19 closing their positions.
109% more repeat investments, than reductions
Existing positions increased: 73 | Existing positions reduced: 35
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
68% more first-time investments, than exits
New positions opened: 32 | Existing positions closed: 19
23% more capital invested
Capital invested by funds: $774M → $949M (+$175M)
8% more funds holding
Funds holding: 144 → 155 (+11)
4.47% more ownership
Funds ownership: 98.66% → 103.14% (+4.5%)
84% less call options, than puts
Call options by funds: $1.38M | Put options by funds: $8.88M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACA
Avoro Capital Advisors
New York
|
+$33.8M |
| 2 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
+$30.6M |
| 3 |
SCM
Suvretta Capital Management
New York
|
+$18.2M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$17.9M |
| 5 |
Janus Henderson Group
London,
United Kingdom
|
+$11.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BI
BVF Inc
San Francisco,
California
|
-$20.4M |
| 2 |
ECM
ExodusPoint Capital Management
New York
|
-$6.45M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
-$4.32M |
| 4 |
Franklin Resources
San Mateo,
California
|
-$3.99M |
| 5 |
SCM
Superstring Capital Management
New York
|
-$3.81M |
ETNB Hedge Fund Activity: Q4 2024 in Review
155 of the 7,593 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q4 2024, worth a combined $949M — up 23% from $774M a quarter earlier.
Buyers outnumbered sellers: 32 funds opened new ETNB positions and 19 closed out — a net gain of 13 holders — while 73 added to existing stakes and 35 trimmed.
The largest buyer was Avoro Capital Advisors, opening a new position worth an estimated $33.8M. The largest seller was BVF Inc, cutting an estimated $20.4M.
- 155 institutional investors held 89bio (ETNB) as of Q4 2024, up from 144 in Q3 2024.
- Funds reported $949M of 89bio stock for Q4 2024, up 23% quarter-over-quarter.
- 32 funds opened new 89bio positions in Q4 2024 and 19 closed out, a net change of +13 holders.
- The largest 89bio buyer in Q4 2024 was Avoro Capital Advisors, an estimated $33.8M added.
- The largest 89bio seller in Q4 2024 was BVF Inc, an estimated $20.4M sold.
Based on aggregated 13F filings for Q4 2024.