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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 %
LBA
151
Letko, Brosseau & Associates
Quebec, Canada
$77.8K – – –
Truist Financial
152
Truist Financial
North Carolina
$72.7K +$72.7K +10,000 New
Carson Wealth (CWM LLC)
153
Carson Wealth (CWM LLC)
Nebraska
$43K +$42.5K +5,837 +9,265%
Mirae Asset Global Investments
154
Mirae Asset Global Investments
South Korea
$39.2K +$7.54K +933 +24%
Osaic Holdings
155
Osaic Holdings
Arizona
$37.3K -$5.34K -735 -13%
AB
156
Amalgamated Bank
New York
$28K +$8.62K +1,188 +45%
Simplex Trading
157
Simplex Trading
Illinois
$26K +$26K +3,686 New
CIBC Private Wealth Group
158
CIBC Private Wealth Group
Georgia
$24.2K +$24.2K +5,000 New
TRCT
159
Tower Research Capital (TRC)
New York
$23.3K -$61.9K -8,518 -73%
GFM
160
GF Fund Management
China
$21.9K +$3.94K +542 +22%
FIA
161
FNY Investment Advisers
New York
$21K +$21K +3,000 New
Federated Hermes
162
Federated Hermes
Pennsylvania
$19K -$26.7K -3,670 -58%
A
163
AlphaQuest
New York
$15.3K +$15.3K +2,108 New
ACM
164
Aster Capital Management
United Arab Emirates
$14.6K +$9.05K +980 +163%
SCM
165
Sterling Capital Management
North Carolina
$14K -$5.45K -749 -28%
GI
166
GAMMA Investing
California
$7.65K +$6.54K +899 +588%
MCM
167
MAI Capital Management
Ohio
$7.27K – – –
CAL
168
Capital Advisors Ltd
Ohio
$6K – – –
Daiwa Securities Group
169
Daiwa Securities Group
Japan
$4K +$1.24K +155 +45%
Nisa Investment Advisors
170
Nisa Investment Advisors
Missouri
$3.78K -$2.48K -341 -40%
VCM
171
Versant Capital Management
Arizona
$3.12K -$480 -66 -13%
US Bancorp
172
US Bancorp
Minnesota
$2.62K +$509 +70 +24%
SAM
173
Smartleaf Asset Management
Massachusetts
$2.46K +$2.46K +304 New
TWD
174
True Wealth Design
Ohio
$2.04K +$2.04K +280 New
National Bank of Canada
175
National Bank of Canada
Quebec, Canada
$1.45K +$726 +100 +100%
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7
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