89bio
ETNB
ETNB was delisted on the 29th of October, 2025.
48 hedge funds and large institutions have $339M invested in 89bio in 2021 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 14 increasing their positions, 19 reducing their positions, and 4 closing their positions.
8% more capital invested
Capital invested by funds: $315M → $339M (+$24.8M)
2.19% more ownership
Funds ownership: 84.04% → 86.22% (+2.2%)
2% less funds holding
Funds holding: 49 → 48 (-1)
25% less first-time investments, than exits
New positions opened: 3 | Existing positions closed: 4
26% less repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 19
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$8.87M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$3.2M |
| 3 |
CS
Candriam SCA
Strassen, Luxembourg,
Luxembourg
|
+$2.1M |
| 4 |
Franklin Resources
San Mateo,
California
|
+$809K |
| 5 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$702K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$3.63M |
| 2 |
PHS
Pekin Hardy Strauss
Chicago,
Illinois
|
-$813K |
| 3 |
Charles Schwab
San Francisco,
California
|
-$695K |
| 4 |
Two Sigma Investments
New York
|
-$443K |
| 5 |
Two Sigma Advisers
New York
|
-$362K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
51
Wells Fargo
San Francisco,
California
| – | -$2K | -123 | Closed |
|
|
EI
52
Ellevest Inc
New York
| – | +$55 | +3 | New |
|
ETNB Hedge Fund Activity: Q3 2021 in Review
48 of the 5,713 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q3 2021, worth a combined $339M — up 7.9% from $315M a quarter earlier.
Sellers outnumbered buyers: 4 funds closed out of ETNB and 3 opened new positions — a net loss of 1 holder — while 19 trimmed existing stakes and 14 added.
The largest buyer was Wellington Management Group, adding an estimated $8.87M. The largest seller was Citadel Advisors, cutting an estimated $3.63M.
- 48 institutional investors held 89bio (ETNB) as of Q3 2021, down from 49 in Q2 2021.
- Funds reported $339M of 89bio stock for Q3 2021, up 7.9% quarter-over-quarter.
- 3 funds opened new 89bio positions in Q3 2021 and 4 closed out, a net change of -1 holder.
- The largest 89bio buyer in Q3 2021 was Wellington Management Group, an estimated $8.87M added.
- The largest 89bio seller in Q3 2021 was Citadel Advisors, an estimated $3.63M sold.
Based on aggregated 13F filings for Q3 2021.