89bio
ETNB
ETNB was delisted on the 29th of October, 2025.
68 hedge funds and large institutions have $407M invested in 89bio in 2020 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 35 increasing their positions, 15 reducing their positions, and 14 closing their positions.
133% more repeat investments, than reductions
Existing positions increased: 35 | Existing positions reduced: 15
3.45% more ownership
Funds ownership: 80.64% → 84.09% (+3.4%)
0% more funds holding
Funds holding: 68 → 68 (0)
0% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 14
0% less capital invested
Capital invested by funds: $408M → $407M (-$777K)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $400K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$12.3M |
| 2 |
Morgan Stanley
New York
|
+$11.1M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$11.1M |
| 4 |
BlackRock
New York
|
+$5.7M |
| 5 |
EAM
Eventide Asset Management
Boston,
Massachusetts
|
+$4.96M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$14.3M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$9.22M |
| 3 |
IC
Ikarian Capital
Dallas,
Texas
|
-$7.86M |
| 4 |
VC
Vivo Capital
Palo Alto,
California
|
-$4.7M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$3.29M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
76
Marshall Wace
London,
United Kingdom
| – | -$851K | -33,165 | Closed |
|
77
Norges Bank
Oslo,
Norway
| – | -$257K | -10,000 | Closed |
|
|
CSS
78
Cubist Systematic Strategies
Stamford,
Connecticut
| – | -$161K | -6,280 | Closed |
|
|
PFS
79
Prospera Financial Services
Dallas,
Texas
| – | -$38K | -1,485 | Closed |
|
|
PHK
80
Point72 Hong Kong
Hong Kong
| – | -$13K | -498 | Closed |
|
|
MAM
81
Meeder Asset Management
Dublin,
Ohio
| – | -$5K | -229 | Closed |
|
|
APA
82
American Portfolios Advisors
Holbrook,
New York
| – | -$5.77K | -225 | Closed |
|
ETNB Hedge Fund Activity: Q4 2020 in Review
68 of the 5,652 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q4 2020, worth a combined $407M — down 0.19% from $408M a quarter earlier.
Fund positioning in ETNB was balanced in Q4 2020: 14 funds opened new positions, 14 closed out, 35 added to existing stakes and 15 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $12.3M. The largest seller was Wellington Management Group, cutting an estimated $14.3M.
- 68 institutional investors held 89bio (ETNB) as of Q4 2020, unchanged from Q3 2020.
- Funds reported $407M of 89bio stock for Q4 2020, down 0.19% quarter-over-quarter.
- 14 funds opened new 89bio positions in Q4 2020 and 14 closed out, a net change of 0 holders.
- The largest 89bio buyer in Q4 2020 was Citadel Advisors, an estimated $12.3M added.
- The largest 89bio seller in Q4 2020 was Wellington Management Group, an estimated $14.3M sold.
Based on aggregated 13F filings for Q4 2020.