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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.

Q1 2023 vs. Q4 2022

How the institutions holding Amylyx Pharmaceuticals, Inc. changed between Q4 2022 and Q1 2023.

All holders in Q1 2023All holders in Q4 2022

13F holders of AMLX: Q4 2022 compared with Q1 2023
MeasureQ4 2022Q1 2023Change
Holders133147+14
Shares48.6M51.4M+2.80M (+5.8%)
Value$1.79B$1.51B−$286.0M (−15.9%)

New holders (38)

Institutions that held Amylyx Pharmaceuticals, Inc. at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to AMLX in Q1 2023
InstitutionSharesValue% of portfolio
Marshall Wace, LLP1,139,240$33.4M0.08%
Avidity Partners Management LP900,000$26.4M0.88%
OrbiMed Advisors LLC813,500$23.9M0.47%
Lord, Abbett & Co. LLC250,042$7.34M0.03%
Polar Asset Management Partners Inc.177,200$5.20M0.09%
Twinbeech Capital LP131,772$3.87M0.08%
HRT Financial LP93,790$2.75M0.03%
Oberweis Asset Management Inc60,305$1.77M0.27%
Weiss Multi-Strategy Advisers LLC54,054$1.59M0.04%
Qube Research & Technologies Ltd31,725$930.8K0.01%
DekaBank Deutsche Girozentrale33,000$914.0K0.00%
Dynamic Technology Lab Private Ltd30,857$906.0K0.08%
Susquehanna International Group, LLP30,610$898.1K0.00%
Jackson Creek Investment Advisors LLC25,246$741.0K0.31%
Engineers Gate Manager LP23,122$678.4K0.03%
Virtu Financial LLC18,261$536.0K0.06%
XTX Topco Ltd14,751$432.8K0.09%
Profund Advisors LLC12,939$379.6K0.02%
Kula Investments, LLC12,507$367.0K0.09%
Fox Run Management, L.L.C.12,498$366.7K0.12%
Axq Capital, LP10,600$311.0K0.12%
Capstone Investment Advisors, LLC10,150$297.8K0.01%
Ikarian Capital, LLC10,000$293.4K0.12%
Boulder Hill Capital Management LP9,400$275.8K0.22%
Gsa Capital Partners LLP8,109$238.0K0.02%
AQR Capital Management LLC7,847$230.2K0.00%
AlphaCentric Advisors LLC7,500$220.1K0.15%
Prelude Capital Management, LLC7,300$214.2K0.01%
Quantbot Technologies LP4,859$142.6K0.01%
Tucker Asset Management LLC3,625$106.4K0.03%
CWM, LLC2,657$78.0K0.00%
Values First Advisors, Inc.1,733$50.9K0.03%
Zurcher Kantonalbank (Zurich Cantonalbank)687$20.2K0.00%
TCI Wealth Advisors, Inc.142$4.17K0.00%
The PNC Financial Services Group, Inc.100$2.93K0.00%
Ellevest, Inc.32$9390.00%
Russell Investments Group, Ltd.32$9390.00%
Quadrant Capital Group LLC12$3530.00%

Sold out (24)

Institutions that held Amylyx Pharmaceuticals, Inc. at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of AMLX in Q1 2023
InstitutionShares, Q4 2022Value, Q4 2022
Cormorant Asset Management, LP550,000$20.3M
Iron Triangle Partners LP240,240$8.88M
Renaissance Technologies LLC178,300$6.59M
EAM Investors, LLC65,272$2.41M
EAM Global Investors LLC45,750$1.69M
Prescott Group Capital Management, L.L.C.40,000$1.48M
Moody Aldrich Partners LLC38,064$1.41M
Simplex Trading, LLC24,248$895.0K
Walleye Capital LLC17,492$646.3K
Oversea-Chinese Banking CORP Ltd16,785$620.0K
Kestra Advisory Services, LLC12,936$478.0K
Fred Alger Management, LLC10,092$372.9K
Cheyne Capital Management (UK) LLP9,499$351.0K
Belvedere Trading LLC7,642$282.4K
Raymond James Financial Services Advisors, Inc.6,773$250.3K
Rafferty Asset Management, LLC6,298$232.7K
Handelsbanken Fonder AB6,100$225.0K
Cutler Group LP3,200$118.0K
High Net Worth Advisory Group LLC3,000$110.8K
DuPont Capital Management Corp2,902$107.2K
Walleye Trading LLC2,460$90.9K
CIBC Private Wealth Group, LLC41,476$1.53K
Credit Suisse AG2$74
Capital Advisors, Ltd. LLC290$0