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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 %
S
176
SignatureFD
Georgia
$1.43K – – –
RIL
177
Rothschild Investment LLC
Illinois
$1.38K +$400 +55 +41%
EWA
178
EverSource Wealth Advisors
Alabama
$1.32K +$1.32K +181 New
AAP
179
Arax Advisory Partners
Colorado
$611 – – –
Amundi
180
Amundi
France
$549 – – –
PFBT
181
Parkside Financial Bank & Trust
Missouri
$545 +$545 +75 New
SC
182
Stephens Consulting
Michigan
$364 +$364 +50 New
CCM
183
Coldstream Capital Management
Washington
$328 +$328 +45 New
SS
184
SBI Securities
Japan
$225 -$87 -12 -28%
PA
185
Parallel Advisors
California
$182 +$182 +25 New
IA
186
IFP Advisors
Florida
$80 -$86 – –
BI
187
BVF Inc
California
– -$33.9M -4,333,885 Closed
FLSM
188
Frazier Life Sciences Management
California
– -$7.82M -1,000,000 Closed
SC
189
Stempoint Capital
New York
– -$4.27M -545,800 Closed
Adage Capital Partners
190
Adage Capital Partners
Massachusetts
– -$2.74M -350,000 Closed
Aberdeen Group
191
Aberdeen Group
United Kingdom
– -$2.58M -329,338 Closed
ABG
192
Ally Bridge Group
New York
– -$2.49M -317,833 Closed
Jane Street
193
Jane Street
New York
– -$1.19M -151,997 Closed
BC
194
BIT Capital
Germany
– -$371K -47,469 Closed
BCM
195
Bourgeon Capital Management
Connecticut
– -$237K -30,254 Closed
Ameriprise
196
Ameriprise
Minnesota
– -$221K -28,230 Closed
Russell Investments Group
197
Russell Investments Group
United Kingdom
– -$197K -25,241 Closed
Wolverine Trading
198
Wolverine Trading
Illinois
– -$96.2K -12,354 Closed
KWA
199
Kingswood Wealth Advisors
California
– -$86K -11,000 Closed
HF
200
HRT Financial
New York
– -$79K -10,115 Closed
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