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Amylyx Pharmaceuticals, Inc.

AMLX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001658551

In the last 90 days, Amylyx Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 206 institutions reported holding it in 13F filings for Q2 2026, worth $2.07B in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in Amylyx Pharmaceuticals, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
147
+14 vs. Q4 2022
Shares held
51.4M
+2.80M (+5.8%) vs. Q4 2022
Total value
$1.51B
−$286.0M (−15.9%) vs. Q4 2022
New holders
38
60 more added
Sold out
24
36 more reduced

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 147 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 72 institutionsQ2 2022: 78 institutionsQ3 2022: 95 institutionsQ4 2022: 133 institutionsQ1 2023: 147 institutionsQ2 2023: 154 institutionsQ3 2023: 170 institutionsQ4 2023: 178 institutionsQ1 2024: 143 institutionsQ2 2024: 119 institutionsQ3 2024: 110 institutionsQ4 2024: 122 institutionsQ1 2025: 136 institutionsQ2 2025: 131 institutionsQ3 2025: 169 institutionsQ4 2025: 180 institutionsQ1 2026: 171 institutionsQ2 2026: 206 institutions
Value heldQ1 2023: $1.51B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $299.9MQ2 2022: $512.9MQ3 2022: $1.05BQ4 2022: $1.79BQ1 2023: $1.51BQ2 2023: $1.18BQ3 2023: $1.08BQ4 2023: $887.4MQ1 2024: $141.5MQ2 2024: $82.9MQ3 2024: $140.8MQ4 2024: $188.3MQ1 2025: $261.6MQ2 2025: $523.6MQ3 2025: $1.49BQ4 2025: $1.36BQ1 2026: $1.59BQ2 2026: $2.07B
Institutions holding AMLX and their total value by quarter
QuarterHoldersValue
Q2 2026206$2.07B
Q1 2026171$1.59B
Q4 2025180$1.36B
Q3 2025169$1.49B
Q2 2025131$523.6M
Q1 2025136$261.6M
Q4 2024122$188.3M
Q3 2024110$140.8M
Q2 2024119$82.9M
Q1 2024143$141.5M
Q4 2023178$887.4M
Q3 2023170$1.08B
Q2 2023154$1.18B
Q1 2023147$1.51B
Q4 2022133$1.79B
Q3 202295$1.05B
Q2 202278$512.9M
Q1 202272$299.9M
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Amylyx Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding AMLX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Fox Run Management, L.L.C.12,498$366.7K0.12%+12,498New
STRS Ohio12,300$360.0K0.00%+7,800+173.3%Added
Axq Capital, LP10,600$311.0K0.12%+10,600New
ProShare Advisors LLC10,528$308.9K0.00%−1,440−12.0%Reduced
Integrated Wealth Concepts LLC10,368$304.0K0.01%−2,000−16.2%Reduced
Capstone Investment Advisors, LLC10,150$297.8K0.01%+10,150New
Ikarian Capital, LLC10,000$293.4K0.12%+10,000New
Boulder Hill Capital Management LP9,400$275.8K0.22%+9,400New
SG Americas Securities, LLC9,188$270.0K0.00%−1,301−12.4%Reduced
Virtus ETF Advisers LLC8,460$248.2K0.14%+153+1.8%Added
Artia Global Partners LP8,339$244.7K0.10%−15,544−65.1%Reduced
State Board of Administration of Florida Retirement System8,310$243.8K0.00%00.0%Unchanged
Gsa Capital Partners LLP8,109$238.0K0.02%+8,109New
AQR Capital Management LLC7,847$230.2K0.00%+7,847New
AlphaCentric Advisors LLC7,500$220.1K0.15%+7,500New
Prelude Capital Management, LLC7,300$214.2K0.01%+7,300New
FMR LLC7,230$212.1K0.00%−574−7.4%Reduced
Amalgamated Bank5,663$166.0K0.00%−1,362−19.4%Reduced
Quantbot Technologies LP4,859$142.6K0.01%+4,859New
Dark Forest Capital Management LP4,763$139.7K0.03%+4,753+47,530.0%Added
Advisors Asset Management, Inc.4,645$136.3K0.00%+740+19.0%Added
Ameritas Investment Partners, Inc.4,035$118.4K0.00%00.0%Unchanged
Royal Bank of Canada3,628$107.0K0.00%−3,049−45.7%Reduced
Tucker Asset Management LLC3,625$106.4K0.03%+3,625New
Group One Trading, L.P.3,602$105.7K0.01%−21,936−85.9%Reduced
Metropolitan Life Insurance Co2,899$85.1K0.00%−251−8.0%Reduced
CWM, LLC2,657$78.0K0.00%+2,657New
Tower Research Capital LLC (TRC)1,812$54.0K0.00%−86−4.5%Reduced
Values First Advisors, Inc.1,733$50.9K0.03%+1,733New
Advisor Group Holdings, Inc.1,322$38.8K0.00%−53−3.9%Reduced
Steward Partners Investment Advisory, LLC1,000$29.3K0.00%−100−9.1%Reduced
China Universal Asset Management Co., Ltd.897$26.3K0.01%+224+33.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)687$20.2K0.00%+687New
Tradition Wealth Management, LLC500$15.0K0.00%00.0%Unchanged
Advisory Services Network, LLC500$14.7K0.00%00.0%Unchanged
Connective Capital Management, LLC466$13.7K0.02%00.0%Unchanged
Daiwa Securities Group Inc.266$8.00K0.00%00.0%Unchanged
Credit Agricole S A200$5.87K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.142$4.17K0.00%+142New
The PNC Financial Services Group, Inc.100$2.93K0.00%+100New
Nisa Investment Advisors, LLC26$1.00K0.00%00.0%Unchanged
Kelly Financial Services LLC33$9680.00%00.0%Unchanged
Ellevest, Inc.32$9390.00%+32New
Russell Investments Group, Ltd.32$9390.00%+32New
US Bancorp18$5280.00%−6,977−99.7%Reduced
Quadrant Capital Group LLC12$3530.00%+12New
Covestor Ltd4$00.00%00.0%Unchanged
Cormorant Asset Management, LP0$00.00%−550,000−100.0%Sold out
Iron Triangle Partners LP0$00.00%−240,240−100.0%Sold out
Renaissance Technologies LLC0$00.00%−178,300−100.0%Sold out
EAM Investors, LLC0$00.00%−65,272−100.0%Sold out
EAM Global Investors LLC0$00.00%−45,750−100.0%Sold out
Prescott Group Capital Management, L.L.C.0$00.00%−40,000−100.0%Sold out
Moody Aldrich Partners LLC0$00.00%−38,064−100.0%Sold out
Simplex Trading, LLC0$00.00%−24,248−100.0%Sold out
Walleye Capital LLC0$00.00%−17,492−100.0%Sold out
Oversea-Chinese Banking CORP Ltd0$00.00%−16,785−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−12,936−100.0%Sold out
Fred Alger Management, LLC0$00.00%−10,092−100.0%Sold out
Cheyne Capital Management (UK) LLP0$00.00%−9,499−100.0%Sold out
Belvedere Trading LLC0$00.00%−7,642−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−6,773−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−6,298−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−6,100−100.0%Sold out
Cutler Group LP0$00.00%−3,200−100.0%Sold out
High Net Worth Advisory Group LLC0$00.00%−3,000−100.0%Sold out
DuPont Capital Management Corp0$00.00%−2,902−100.0%Sold out
Walleye Trading LLC0$00.00%−2,460−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−41,476−100.0%Sold out
Credit Suisse AG0$00.00%−2−100.0%Sold out
Capital Advisors, Ltd. LLC0$00.00%−290−100.0%Sold out