ETNB icon

89bio
ETNB

Overview Fund Activity

186 hedge funds and large institutions have $1.14B invested in 89bio in 2025 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 90 increasing their positions, 33 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
186
Holders Change
+31
Holders Change %
+20%
% of All Funds
2.53%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
54
Increased
90
Reduced
33
Closed
22
Calls
$3.12M
Puts
$7.7M
Net Calls
-$4.59M
Net Calls Change
+$2.92M

Top Buyers

1
RCM
RA Capital Management
Massachusetts
+$41.5M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$31.9M
3
SCM
Suvretta Capital Management
New York
+$30M
4
DTC
Deep Track Capital
Connecticut
+$20.6M
5
LGM
Logos Global Management
California
+$18.2M

Top Sellers

1
RI
RTW Investments
New York
-$40.1M
2
BI
BVF Inc
California
-$33.9M
3
FLSM
Frazier Life Sciences Management
California
-$7.82M
4
AllianceBernstein
AllianceBernstein
Tennessee
-$6.46M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$4.96M
Name Holding Trade Value Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$7.17M +$1.27M +174,945 +22%
EAM
27
Erste Asset Management
Austria
$6.5M +$884K +120,000 +16%
Alyeska Investment Group
28
Alyeska Investment Group
Illinois
$6.2M -$532K -73,170 -8%
RSCM
29
Rock Springs Capital Management
Maryland
$6.14M +$2.12M +291,700 +53%
CS
30
Candriam SCA
Luxembourg
$6.05M -$1.63M -223,838 -21%
Barclays
31
Barclays
United Kingdom
$6.01M +$1.36M +186,886 +29%
ACM
32
ADAR1 Capital Management
Texas
$5.85M +$2.1M +289,082 +56%
Bank of America
33
Bank of America
North Carolina
$5.68M +$3.08M +423,378 +118%
Lord, Abbett & Co
34
Lord, Abbett & Co
New Jersey
$5.33M +$5.33M +733,404 New
WP
35
Woodline Partners
California
$5.09M +$2.22M +305,928 +77%
Fidelity Investments
36
Fidelity Investments
Massachusetts
$5.02M +$4.35M +597,845 +649%
RAM
37
Readystate Asset Management
Illinois
$4.98M +$4.98M +685,169 New
Morgan Stanley
38
Morgan Stanley
New York
$4.57M +$2.09M +287,278 +84%
SFM
39
Sphera Funds Management
Israel
$4.5M +$449K +61,811 +11%
Dimensional Fund Advisors
40
Dimensional Fund Advisors
Texas
$4.28M +$1.79M +245,757 +72%
Renaissance Technologies
41
Renaissance Technologies
New York
$3.67M +$1.5M +206,600 +69%
IAM
42
Infinitum Asset Management
Florida
$3.64M +$3.64M +500,000 New
SCM
43
Sio Capital Management
New York
$3.64M +$3.64M +500,000 New
OCM
44
Orchard Capital Management
Illinois
$3.38M +$3.07M +421,733 +989%
Millennium Management
45
Millennium Management
New York
$3.29M -$1.86M -255,742 -36%
PAM
46
Panagora Asset Management
Massachusetts
$3.12M +$2.28M +314,000 +272%
Assenagon Asset Management
47
Assenagon Asset Management
Luxembourg
$3.12M +$1.35M +186,293 +77%
Raymond James Financial
48
Raymond James Financial
Florida
$2.78M +$35.8K +4,921 +1%
VC
49
Vivo Capital
California
$2.74M +$2.74M +376,804 New
EAM
50
Exome Asset Management
New York
$2.57M +$935K +128,559 +57%
1
2
3 4 5