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AnaptysBio

166 hedge funds and large institutions have $980M invested in AnaptysBio in 2025 Q3 according to their latest regulatory filings, with 35 funds opening new positions, 43 increasing their positions, 59 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

12.01% less ownership

Funds ownership: 125.13%113.12% (-12%)

27% less repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 59

38% less call options, than puts

Call options by funds: $9.37M | Put options by funds: $15.1M

Holders
166
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.37M
Puts
$15.1M
Net Calls
Net Calls Change

Top Buyers

1 +$30.2M
2 +$18.9M
3 +$7M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$5.44M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$5.04M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$775K
77
$766K
78
$597K
79
$560K
80
$555K
81
$512K
82
$482K
83
$476K
84
$469K
85
$457K
86
$456K
87
$455K
88
$435K
89
$425K
90
$421K
91
$421K
92
$408K
93
$397K
94
$394K
95
$388K
96
$365K
97
$336K
98
$336K
99
$324K
100
$315K