ANAB icon

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 %
UOC
51
UBS O'Connor
Illinois
$875K +$875K +47,051 New
PP
52
PDT Partners
New York
$828K +$828K +44,529 New
Susquehanna International Group
53
Susquehanna International Group
Pennsylvania
$824K +$512K +27,538 +164%
HF
54
HRT Financial
New York
$803K +$803K +43,211 New
Manulife (Manufacturers Life Insurance)
55
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$680K +$2.68K +144 +0.4%
FWM
56
FMB Wealth Management
California
$662K – – –
UBS AM
57
UBS AM
Illinois
$649K +$101K +5,434 +18%
DA
58
DCF Advisers
Connecticut
$648K +$648K +34,850 New
Skandinaviska Enskilda Banken (SEB)
59
Skandinaviska Enskilda Banken (SEB)
Sweden
$623K +$623K +33,523 New
Swiss National Bank
60
Swiss National Bank
Switzerland
$602K +$50.2K +2,700 +9%
Balyasny Asset Management
61
Balyasny Asset Management
Illinois
$596K +$596K +32,074 New
PCM
62
Prelude Capital Management
New York
$595K +$595K +32,023 New
Dimensional Fund Advisors
63
Dimensional Fund Advisors
Texas
$587K -$688 -37 -0.1%
Rafferty Asset Management
64
Rafferty Asset Management
New York
$580K -$738K -39,703 -56%
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$574K +$15.4K +826 +3%
Voloridge Investment Management
66
Voloridge Investment Management
Florida
$574K -$1.05M -56,640 -65%
AllianceBernstein
67
AllianceBernstein
Tennessee
$567K – – –
AQR Capital Management
68
AQR Capital Management
Connecticut
$558K +$338K +18,165 +153%
FRM
69
Fox Run Management
Connecticut
$517K +$517K +27,796 New
BNP Paribas Financial Markets
70
BNP Paribas Financial Markets
France
$476K +$45.8K +2,461 +11%
BC
71
BIT Capital
Germany
$473K +$473K +25,422 New
QC
72
Quadrature Capital
United Kingdom
$437K +$437K +23,508 New
CM
73
Caption Management
Oklahoma
$435K +$294K +15,834 +210%
AA
74
ALPS Advisors
Colorado
$430K -$27.5K -1,478 -6%
ECM
75
ExodusPoint Capital Management
New York
$408K +$408K +21,944 New
1 2
3
4 5