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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 %
Mirae Asset Global ETFs Holdings
101
Mirae Asset Global ETFs Holdings
Hong Kong
$535K +$159K +21,702 +42%
Tudor Investment Corp
102
Tudor Investment Corp
Connecticut
$507K +$507K +69,720 New
BNP Paribas Financial Markets
103
BNP Paribas Financial Markets
France
$504K -$2.05M -282,057 -80%
VRS
104
Virginia Retirement Systems
Virginia
$492K +$492K +67,742 New
Royal Bank of Canada
105
Royal Bank of Canada
Ontario, Canada
$484K -$336K -46,362 -41%
PP
106
PDT Partners
New York
$480K -$108K -14,830 -18%
MIM
107
MetLife Investment Management
New Jersey
$480K +$115K +15,770 +31%
T. Rowe Price Associates
108
T. Rowe Price Associates
Maryland
$453K +$109K +15,011 +32%
DFCM
109
Dark Forest Capital Management
Puerto Rico
$439K +$342K +47,102 +354%
Manulife (Manufacturers Life Insurance)
110
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$403K +$181K +24,879 +81%
CF
111
Corebridge Financial
Texas
$399K +$96K +13,201 +32%
IIM
112
INTECH Investment Management
Florida
$388K +$108K +14,796 +38%
PAP
113
Persistent Asset Partners
Hong Kong
$387K +$192K +26,382 +98%
LP
114
LMR Partners
United Kingdom
$364K +$364K +50,000 New
GJWM
115
Gilliland Jeter Wealth Management
Arkansas
$355K +$68.6K +9,440 +24%
II
116
Inspire Investing
Idaho
$341K -$34.5K -4,751 -9%
Walleye Capital
117
Walleye Capital
New York
$324K -$2.82M -388,254 -90%
First Trust Advisors
118
First Trust Advisors
Illinois
$293K +$293K +40,279 New
BFM
119
Boothbay Fund Management
New York
$254K +$254K +34,930 New
KK
120
KLP Kapitalforvaltning
Norway
$244K +$138K +19,000 +130%
Group One Trading
121
Group One Trading
Illinois
$231K -$367K -50,440 -61%
ProShare Advisors
122
ProShare Advisors
Maryland
$224K +$12.1K +1,661 +6%
ASRS
123
Arizona State Retirement System
Arizona
$221K +$47.6K +6,548 +27%
CUAMC
124
China Universal Asset Management Company
China
$213K +$31.6K +4,350 +17%
PA
125
Profund Advisors
Maryland
$213K +$80.5K +11,076 +61%
3 4
5
6 7