89bio
ETNB
ETNB was delisted on the 29th of October, 2025.
86 hedge funds and large institutions have $227M invested in 89bio in 2022 Q3 according to their latest regulatory filings, with 30 funds opening new positions, 33 increasing their positions, 12 reducing their positions, and 14 closing their positions.
424% more call options, than puts
Call options by funds: $2.5M | Put options by funds: $476K
175% more repeat investments, than reductions
Existing positions increased: 33 | Existing positions reduced: 12
117% more capital invested
Capital invested by funds: $105M → $227M (+$123M)
114% more first-time investments, than exits
New positions opened: 30 | Existing positions closed: 14
23% more funds holding
Funds holding: 70 → 86 (+16)
17.41% more ownership
Funds ownership: 83.06% → 100.47% (+17%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
+$11.6M |
| 2 |
Adage Capital Partners
Boston,
Massachusetts
|
+$5.05M |
| 3 |
RCMNY
Rubric Capital Management (New York)
New York
|
+$4.35M |
| 4 |
Millennium Management
New York
|
+$3.08M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Janus Henderson Group
London,
|
-$3.96M |
| 2 |
TCM
TCG Crossover Management
Palo Alto,
California
|
-$3.65M |
| 3 |
BI
BVF Inc
San Francisco,
California
|
-$3.31M |
| 4 |
GPP
Great Point Partners
Greenwich,
Connecticut
|
-$1.96M |
| 5 |
DM
Deerfield Management
New York
|
-$1.63M |
ETNB Hedge Fund Activity: Q3 2022 in Review
86 of the 5,828 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q3 2022, worth a combined $227M — up 117% from $105M a quarter earlier.
Buyers outnumbered sellers: 30 funds opened new ETNB positions and 14 closed out — a net gain of 16 holders — while 33 added to existing stakes and 12 trimmed.
The largest buyer was Deep Track Capital, opening a new position worth an estimated $11.6M. The largest seller was Janus Henderson Group, cutting an estimated $3.96M.
- 86 institutional investors held 89bio (ETNB) as of Q3 2022, up from 70 in Q2 2022.
- Funds reported $227M of 89bio stock for Q3 2022, up 117% quarter-over-quarter.
- 30 funds opened new 89bio positions in Q3 2022 and 14 closed out, a net change of +16 holders.
- The largest 89bio buyer in Q3 2022 was Deep Track Capital, an estimated $11.6M added.
- The largest 89bio seller in Q3 2022 was Janus Henderson Group, an estimated $3.96M sold.
Based on aggregated 13F filings for Q3 2022.