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Annexon

146 hedge funds and large institutions have $192M invested in Annexon in 2025 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 55 increasing their positions, 41 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

22% less call options, than puts

Call options by funds: $127K | Put options by funds: $163K

67% less capital invested

Capital invested by funds: $575M → $192M (-$383M)

100% less funds holding in top 10

Funds holding in top 10: 30 (-3)

Holders
146
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$127K
Puts
$163K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$279K
52
$263K
53
$261K
54
$261K
55
$260K
56
$257K
57
$215K
58
$215K
59
$193K
60
$187K
61
$176K
62
$165K
63
$160K
64
$159K
65
$158K
66
$154K
67
$152K
68
$150K
69
$144K
70
$144K
71
$142K
72
$130K
73
$128K
74
$127K
75
$122K