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Amylyx Pharmaceuticals

171 hedge funds and large institutions have $1.59B invested in Amylyx Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 62 increasing their positions, 53 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

4% less funds holding

Funds holding: 179171 (-8)

17% less funds holding in top 10

Funds holding in top 10: 65 (-1)

19% less first-time investments, than exits

New positions opened: 29 | Existing positions closed: 36

Holders
171
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
$9.02M
Puts
$1.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Walleye Capital
76
Walleye Capital
New York
$858K
Russell Investments Group
77
Russell Investments Group
United Kingdom
$825K
Legal & General Group
78
Legal & General Group
United Kingdom
$775K
CCIA
79
Campbell & Co Investment Adviser
Maryland
$756K
EI
80
EAM Investors
California
$740K
MIM
81
MetLife Investment Management
New Jersey
$717K
MS
82
Maven Securities
Jersey
$695K
N
83
Numerai
California
$675K
VGA
84
Vanguard Global Advisers
Pennsylvania
$665K
VAM
85
Vanguard Asset Management
$602K
Mirae Asset Global ETFs Holdings
86
Mirae Asset Global ETFs Holdings
Hong Kong
$591K
Zurich Cantonal Bank
87
Zurich Cantonal Bank
Switzerland
$567K
Susquehanna International Group
88
Susquehanna International Group
Pennsylvania
$553K
Manulife (Manufacturers Life Insurance)
89
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$539K
OF
90
Optimize Financial
California
$445K
Citigroup
91
Citigroup
New York
$442K
Tudor Investment Corp
92
Tudor Investment Corp
Connecticut
$436K
AQR Capital Management
93
AQR Capital Management
Connecticut
$404K
IQI
94
Integrated Quantitative Investments
Washington
$379K
GC
95
Guggenheim Capital
Illinois
$355K
IIM
96
INTECH Investment Management
Florida
$346K
VPIM
97
Vanguard Personalized Indexing Management
California
$335K
PFSRSONJ
98
Police & Firemen's Retirement System of New Jersey
New Jersey
$330K
State of New Jersey Common Pension Fund D
99
State of New Jersey Common Pension Fund D
New Jersey
$313K
New York State Common Retirement Fund
100
New York State Common Retirement Fund
New York
$304K