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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 %
Teacher Retirement System of Texas
126
Teacher Retirement System of Texas
Texas
$206K +$28.3K +3,889 +16%
New York State Common Retirement Fund
127
New York State Common Retirement Fund
New York
$189K +$69.9K +9,600 +59%
PNC Financial Services Group
128
PNC Financial Services Group
Pennsylvania
$185K -$5.58K -767 -3%
SIM
129
Sandia Investment Management
Massachusetts
$182K +$99.7K +13,714 +122%
AI
130
Allostery Investments
Connecticut
$182K +$182K +25,000 New
SG Americas Securities
131
SG Americas Securities
New York
$181K -$83.4K -11,460 -32%
CWM
132
CIBC World Markets
New York
$181K +$181K +24,831 New
Two Sigma Advisers
133
Two Sigma Advisers
New York
$180K -$635K -87,300 -78%
PFCS
134
Pale Fire Capital SE
Czech Republic
$180K -$41.2K -5,661 -19%
PFSRSONJ
135
Police & Firemen's Retirement System of New Jersey
New Jersey
$176K +$37.2K +5,120 +27%
SPS
136
Susquehanna Portfolio Strategies
Pennsylvania
$175K +$175K +24,100 New
Commonwealth Equity Services
137
Commonwealth Equity Services
Massachusetts
$174K +$1.49K +204 +0.9%
DT
138
Diversified Trust
Tennessee
$159K +$159K +21,823 New
VIA
139
Virtus Investment Advisers
Connecticut
$152K +$152K +20,912 New
SPIA
140
Steward Partners Investment Advisory
New York
$151K +$4K +550 +3%
Zurich Cantonal Bank
141
Zurich Cantonal Bank
Switzerland
$148K +$89.4K +12,300 +154%
OF
142
Optimize Financial
California
$146K -$41.2K -5,666 -22%
GGHC
143
Gilder Gagnon Howe & Co
New York
$145K +$145K +19,968 New
State Board of Administration of Florida Retirement System
144
State Board of Administration of Florida Retirement System
Florida
$129K – – –
Victory Capital Management
145
Victory Capital Management
Texas
$123K +$21.4K +2,944 +21%
HSBC Holdings
146
HSBC Holdings
United Kingdom
$109K +$25.5K +3,504 +31%
EFM
147
E Fund Management
China
$93.3K +$93.3K +12,827 New
Allianz Asset Management
148
Allianz Asset Management
Germany
$93.1K +$93.1K +12,800 New
IC
149
IEQ Capital
California
$89.2K +$89.2K +12,272 New
AIP
150
Ameritas Investment Partners
Nebraska
$82.3K +$25K +3,435 +44%
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