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Amylyx Pharmaceuticals
AMLX

Name Holding Trade Value Shares
Change 		Change in
Stake
Viking Global Investors
1
Viking Global Investors
Connecticut
$92.1M +$162M +7,170,536 New
BCLSI
2
Bain Capital Life Sciences Investors
Massachusetts
$35.4M +$62.2M +2,756,050 New
BC
3
Boxer Capital
California
$28.3M +$49.7M +2,200,000 New
PA
4
Perceptive Advisors
New York
$18.9M +$33.3M +1,474,107 New
RSCM
5
Rock Springs Capital Management
Maryland
$12.8M +$22.5M +998,307 New
Vanguard Group
6
Vanguard Group
Pennsylvania
$12.8M +$22.4M +992,188 New
Verition Fund Management
7
Verition Fund Management
Connecticut
$11.9M +$20.9M +925,353 New
TCM
8
Tybourne Capital Management
Hong Kong
$9.88M +$17.4M +768,603 New
AWG
9
Alpha Wave Global
New York
$7.93M +$13.9M +617,220 New
6CM
10
683 Capital Management
New York
$7.68M +$15.3M +677,714 New
Marshall Wace
11
Marshall Wace
United Kingdom
$7.51M +$13.2M +584,464 New
BlackRock
12
BlackRock
New York
$7.35M +$12.9M +572,341 New
Citadel Advisors
13
Citadel Advisors
Florida
$6.45M +$11.3M +501,636 New
Allspring Global Investments
14
Allspring Global Investments
North Carolina
$5.17M +$9.09M +402,324 New
IC
15
Ikarian Capital
Texas
$5.1M +$8.96M +396,654 New
WP
16
Woodline Partners
California
$5.01M +$8.81M +390,229 New
Geode Capital Management
17
Geode Capital Management
Massachusetts
$2.44M +$4.29M +190,150 New
AII
18
AGF Investments Inc
Ontario, Canada
$2.06M +$3.61M +160,000 New
Renaissance Technologies
19
Renaissance Technologies
New York
$1.88M +$3.31M +146,400 New
Millennium Management
20
Millennium Management
New York
$1.76M +$3.1M +137,241 New
SI
21
Sofinnova Investments
California
$1.28M +$2.26M +100,000 New
State Street
22
State Street
Massachusetts
$1.27M +$2.24M +99,212 New
Wells Fargo
23
Wells Fargo
California
$1.16M +$2.03M +89,824 New
Fidelity Investments
24
Fidelity Investments
Massachusetts
$1.13M +$1.99M +88,125 New
Ameriprise
25
Ameriprise
Minnesota
$1.06M +$1.86M +82,310 New
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