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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.

Q4 2023 vs. Q3 2023

How the institutions holding Amylyx Pharmaceuticals, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of AMLX: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders1701178+9
Shares58.9M295.0K60.3M+1.65M (+2.8%)
Value$1.08B$5.40M$887.4M−$186.2M (−17.3%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (37)

Institutions that held Amylyx Pharmaceuticals, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to AMLX in Q4 2023
InstitutionSharesValue% of portfolio
Ikarian Capital, LLC877,500$12.9M3.53%
American Century Companies Inc542,546$7.99M0.01%
Schroder Investment Management Group295,000$4.34M0.01%
Trexquant Investment LP265,046$3.90M0.09%
Boothbay Fund Management, LLC219,341$3.23M0.12%
Tang Capital Management LLC200,000$2.94M0.27%
Standard Life Aberdeen plc195,493$2.88M0.01%
Norges Bank116,400$1.71M0.00%
TD Asset Management Inc115,000$1.69M0.00%
Phocas Financial Corp.86,073$1.27M0.17%
StemPoint Capital LP83,381$1.23M0.33%
ADAR1 Capital Management, LLC77,558$1.14M0.51%
PDT Partners, LLC58,967$868.0K0.10%
Brevan Howard Capital Management LP53,517$787.8K0.08%
Y-Intercept (Hong Kong) Ltd49,204$724.3K0.07%
Wellington Management Group LLP44,753$658.8K0.00%
Two Sigma Investments, LP43,800$644.7K0.00%
Walleye Trading LLC35,774$526.6K0.01%
Landscape Capital Management, L.L.C.33,689$495.9K0.04%
Virtu Financial LLC27,715$408.0K0.03%
GTS Securities LLC26,311$387.3K0.01%
Premier Path Wealth Partners, LLC20,265$298.3K0.07%
Centiva Capital, LP19,188$282.4K0.02%
STRS Ohio17,500$257.0K0.00%
First Trust Advisors LP17,380$255.8K0.00%
Guggenheim Capital LLC14,946$220.0K0.00%
Lion Point Capital, LP14,000$206.1K0.18%
Belvedere Trading LLC13,213$194.5K0.02%
Handelsbanken Fonder AB11,900$175.0K0.00%
Arizona State Retirement System11,302$166.4K0.00%
Quest Partners LLC6,035$88.8K0.02%
Point72 Hong Kong Ltd5,100$75.1K0.00%
Global Retirement Partners, LLC200$3.10K0.00%
The PNC Financial Services Group, Inc.196$2.88K0.00%
Salem Investment Counselors Inc55$8100.00%
GAMMA Investing LLC35$5600.00%
Farther Finance Advisors, LLC27$3970.00%

Sold out (28)

Institutions that held Amylyx Pharmaceuticals, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Not filed for Q4 2023 yet (1)

Institutions that held Amylyx Pharmaceuticals, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMLX in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
International Biotechnology Trust PLC295,000$5.40M