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Amylyx Pharmaceuticals

169 hedge funds and large institutions have $1.49B invested in Amylyx Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 57 funds opening new positions, 44 increasing their positions, 48 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

31.41% more ownership

Funds ownership: 91.64%123.05% (+31%)

29% more funds holding

Funds holding: 131169 (+38)

8% less repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 48

Holders
169
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$7.31M
Puts
$2.15M
Net Calls
Net Calls Change

Top Sellers

1 -$18.8M
2 -$18.7M
3 -$16.4M
4
Millennium Management
Millennium Management
New York
-$10.3M
5
Citadel Advisors
Citadel Advisors
Florida
-$9.49M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$4.3M
52
$3.76M
53
$3.51M
54
$3.21M
55
$3.19M
56
$3.03M
57
$2.89M
58
$2.78M
59
$2.72M
60
$2.49M
61
$2.28M
62
$2.27M
63
$2.23M
64
$2.18M
65
$1.95M
66
$1.94M
67
$1.81M
68
$1.48M
69
$1.37M
70
$1.36M
71
$1.36M
72
$1.34M
73
$1.34M
74
$1.27M
75
$1.26M