89bio
ETNB
ETNB was delisted on the 29th of October, 2025.
2 hedge funds and large institutions have $1.11M invested in 89bio in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 0 reducing their positions, and 192 closing their positions.
99% less funds holding
Funds holding: 198 → 2 (-196)
100% less capital invested
Capital invested by funds: $2.27B → $1.11M (-$2.27B)
100% less funds holding in top 10
Funds holding in top 10: 11 → 0 (-11)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 192
104.24% less ownership
Funds ownership: 104.3% → 0.06% (-104%)
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
RA Capital Management
Boston,
Massachusetts
|
-$292M |
| 2 |
PCM
Pentwater Capital Management
Naples,
Florida
|
-$173M |
| 3 |
BlackRock
New York
|
-$152M |
| 4 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
-$138M |
| 5 |
Adage Capital Partners
Boston,
Massachusetts
|
-$134M |
ETNB Hedge Fund Activity: Q4 2025 in Review
2 of the 8,226 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q4 2025, worth a combined $1.11M — down 100% from $2.27B a quarter earlier.
Sellers outnumbered buyers: 192 funds closed out of ETNB and 0 opened new positions — a net loss of 192 holders — while 0 trimmed existing stakes and 0 added.
The largest seller was RA Capital Management, exiting entirely with an estimated $292M sold.
- 2 institutional investors held 89bio (ETNB) as of Q4 2025, down from 198 in Q3 2025.
- Funds reported $1.11M of 89bio stock for Q4 2025, down 100% quarter-over-quarter.
- 0 funds opened new 89bio positions in Q4 2025 and 192 closed out, a net change of -192 holders.
- The largest 89bio seller in Q4 2025 was RA Capital Management, an estimated $292M sold.
Based on aggregated 13F filings for Q4 2025.