89bio
ETNB
ETNB was delisted on the 29th of October, 2025.
50 hedge funds and large institutions have $226M invested in 89bio in 2021 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 13 increasing their positions, 19 reducing their positions, and 5 closing their positions.
40% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 5
4% more funds holding
Funds holding: 48 → 50 (+2)
0.89% less ownership
Funds ownership: 86.22% → 85.33% (-0.89%)
32% less repeat investments, than reductions
Existing positions increased: 13 | Existing positions reduced: 19
33% less capital invested
Capital invested by funds: $339M → $226M (-$113M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$7.19M |
| 2 |
ACM
Altium Capital Management
New York
|
+$2.34M |
| 3 |
BlackRock
New York
|
+$1.89M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$1.43M |
| 5 |
JP Morgan Chase
New York
|
+$1.03M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EAM
Eventide Asset Management
Boston,
Massachusetts
|
-$6.65M |
| 2 |
Morgan Stanley
New York
|
-$2.77M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$1.44M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
-$1.01M |
| 5 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$994K |
ETNB Hedge Fund Activity: Q4 2021 in Review
50 of the 6,499 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q4 2021, worth a combined $226M — down 33% from $339M a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new ETNB positions and 5 closed out — a net gain of 2 holders — while 13 added to existing stakes and 19 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $7.19M. The largest seller was Eventide Asset Management, cutting an estimated $6.65M.
- 50 institutional investors held 89bio (ETNB) as of Q4 2021, up from 48 in Q3 2021.
- Funds reported $226M of 89bio stock for Q4 2021, down 33% quarter-over-quarter.
- 7 funds opened new 89bio positions in Q4 2021 and 5 closed out, a net change of +2 holders.
- The largest 89bio buyer in Q4 2021 was Wellington Management Group, an estimated $7.19M added.
- The largest 89bio seller in Q4 2021 was Eventide Asset Management, an estimated $6.65M sold.
Based on aggregated 13F filings for Q4 2021.