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ETNB

89bio
ETNB

Delisted

ETNB was delisted on the 29th of October, 2025.

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86 hedge funds and large institutions have $210M 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.

New
Increased
Maintained
Reduced
Closed

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

127% more capital invested

Capital invested by funds: $92.8M → $210M (+$118M)

114% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 14

23% more funds holding

Funds holding: 70 → 86 (+16)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

57% less ownership

Funds ownership: 159.48% → 102.48% (-57%)

Holders
86
Holders Change
+16
Holders Change %
+22.86%
% of All Funds
1.48%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
30
Increased
33
Reduced
12
Closed
14
Calls
$2.5M
Puts
$476K
Net Calls
+$2.02M
Net Calls Change
+$1.26M

Top Buyers

Rank Fund Capital Flow
1
DTC
Deep Track Capital
Connecticut
+$11.6M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$5.05M
3
RCMNY
Rubric Capital Management (New York)
New York
+$4.35M
4
Millennium Management
Millennium Management
New York
+$3.08M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$3M

Top Sellers

Rank Fund Capital Flow
1
TCM
TCG Crossover Management
California
-$3.65M
2
BI
BVF Inc
California
-$3.31M
3
GPP
Great Point Partners
Connecticut
-$1.96M
4
DM
Deerfield Management
New York
-$1.63M
5
MS
Maven Securities
Jersey
-$1.23M
Name Holding Trade Value Shares
Change 		Change in
Stake
SCM
26
Soleus Capital Management
Connecticut
$1.91M +$1.45M +330,000 New
PHS
27
Pekin Hardy Strauss
Illinois
$1.9M +$34.6K +7,881 +2%
NM
28
Newtyn Management
New York
$1.79M – – –
SCM
29
Silverarc Capital Management
Massachusetts
$1.45M +$1.1M +250,000 New
Geode Capital Management
30
Geode Capital Management
Massachusetts
$1.4M +$662K +150,663 +165%
Renaissance Technologies
31
Renaissance Technologies
New York
$1.35M -$312K -71,100 -23%
PHP
32
Parkman Healthcare Partners
Connecticut
$1.3M +$989K +225,000 New
JP Morgan Chase
33
JP Morgan Chase
New York
$1.3M +$404K +91,997 +70%
IC
34
Ikarian Capital
Texas
$1.16M +$879K +200,000 New
EI
35
EAM Investors
California
$1.1M +$838K +190,718 New
LCM
36
Laurion Capital Management
New York
$1.08M – – –
RJFSA
37
Raymond James Financial Services Advisors
Florida
$928K +$704K +160,194 New
Morgan Stanley
38
Morgan Stanley
New York
$767K +$149K +34,006 +35%
Royal Bank of Canada
39
Royal Bank of Canada
Ontario, Canada
$760K +$557K +126,676 +2,809%
Acadian Asset Management
40
Acadian Asset Management
Massachusetts
$712K +$77.7K +17,681 +17%
CL
41
CSS LLC
Illinois
$647K +$10.6K +2,415 +2%
Invesco
42
Invesco
Georgia
$643K -$54K -12,288 -10%
PMAM
43
Picton Mahoney Asset Management
Ontario, Canada
$635K +$482K +109,600 New
BCM
44
Bridgeway Capital Management
Texas
$534K +$141K +32,000 +53%
UOC
45
UBS O'Connor
Illinois
$533K +$404K +92,034 New
AI
46
Atom Investors
Texas
$505K +$383K +87,164 New
UBS Group
47
UBS Group
Switzerland
$467K -$43K -9,780 -11%
State of Wisconsin Investment Board
48
State of Wisconsin Investment Board
Wisconsin
$460K -$258K -58,800 -43%
Dimensional Fund Advisors
49
Dimensional Fund Advisors
Texas
$411K +$312K +71,026 New
Northern Trust
50
Northern Trust
Illinois
$398K +$149K +34,001 +98%
1
2
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ETNB Hedge Fund Activity: Q3 2022 in Review

86 of the 5,806 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q3 2022, worth a combined $210M — up 127% from $92.8M 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 TCG Crossover Management, exiting entirely with an estimated $3.65M sold.

  • 86 institutional investors held 89bio (ETNB) as of Q3 2022, up from 70 in Q2 2022.
  • Funds reported $210M of 89bio stock for Q3 2022, up 127% 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 TCG Crossover Management, an estimated $3.65M sold.

Based on aggregated 13F filings for Q3 2022.