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AnaptysBio
ANAB

Overview Fund Activity

153 hedge funds and large institutions have $743M invested in AnaptysBio in 2025 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 44 increasing their positions, 43 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
153
Holders Change
+18
Holders Change %
+13.33%
% of All Funds
2.08%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.07%
New
45
Increased
44
Reduced
43
Closed
26
Calls
$5.68M
Puts
$5.12M
Net Calls
+$558K
Net Calls Change
+$13.9M

Top Buyers

1
FLAM
First Light Asset Management
Minnesota
+$70M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
+$44M
3
Bank of America
Bank of America
North Carolina
+$20.9M
4
SI
Sofinnova Investments
California
+$19.1M
5
Citigroup
Citigroup
New York
+$18.9M

Top Sellers

1
FFM
Fairmount Funds Management
Pennsylvania
-$24.1M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$20.9M
3
FLSM
Frazier Life Sciences Management
California
-$20.8M
4
CCM
Camber Capital Management
Massachusetts
-$9.3M
5
State Street
State Street
Massachusetts
-$7.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
FFM
151
Fairmount Funds Management
Pennsylvania
– -$24.1M -1,816,466 Closed
FLSM
152
Frazier Life Sciences Management
California
– -$20.8M -1,573,719 Closed
Jennison Associates
153
Jennison Associates
New York
– -$3.56M -269,131 Closed
LP
154
LMR Partners
United Kingdom
– -$1.86M -140,722 Closed
Qube Research & Technologies (QRT)
155
Qube Research & Technologies (QRT)
United Kingdom
– -$1.66M -125,070 Closed
Squarepoint
156
Squarepoint
New York
– -$1.07M -80,870 Closed
SFI
157
Susquehanna Fundamental Investments
Pennsylvania
– -$593K -44,785 Closed
Jane Street
158
Jane Street
New York
– -$591K -44,613 Closed
XT
159
XTX Topco
Cayman Islands
– -$530K -40,013 Closed
MAM
160
Martingale Asset Management
Massachusetts
– -$384K -28,995 Closed
EGM
161
Engineers Gate Manager
New York
– -$372K -28,129 Closed
ACM
162
ADAR1 Capital Management
Texas
– -$361K -27,301 Closed
State of Wisconsin Investment Board
163
State of Wisconsin Investment Board
Wisconsin
– -$353K -26,677 Closed
YIH
164
Y-Intercept (HK)
Hong Kong
– -$311K -23,497 Closed
BC
165
Bridgefront Capital
Texas
– -$252K -19,011 Closed
GCM
166
Graham Capital Management
Connecticut
– -$251K -18,954 Closed
ACM
167
Altium Capital Management
New York
– -$243K -18,326 Closed
PA
168
Profund Advisors
Maryland
– -$179K -13,496 Closed
AC
169
Aristides Capital
Kentucky
– -$168K -12,700 Closed
JG
170
Jain Global
New York
– -$161K -12,134 Closed
Russell Investments Group
171
Russell Investments Group
United Kingdom
– -$75.4K -5,698 Closed
VEA
172
Virtus ETF Advisers
New York
– -$62.7K -4,733 Closed
ADL
173
Asset Dedication LLC
California
– -$2.52K -190 Closed
MG
174
Mather Group
Illinois
– -$1.72K -130 Closed
W
175
WealthCollab
Washington
– -$265 -20 Closed
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