What does CUSIP 03237H101 represent in this 13F holders report?

CUSIP 03237H101 is the security identifier for AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock in Q4 2022?

131 institutional investors reported AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock for Q4 2022. Use the holders table for investor-level position and value details.

Amylyx Pharmaceuticals, Inc. - Common Stock (AMLX)

CUSIP: 03237H101

Q4 2022 13F Holders as of 31 Dec 2022

Type / Class: Equity / Common Stock
Shares outstanding: 109,540,561
Total 13F shares: 48,572,530
Share change: +11,080,479
Total reported value: $1,794,757,212
Put/Call ratio: 48%
Price per share: $36.95
Number of holders: 131
Value change: +$422,522,242
Number of buys: 91
Number of sells: 35

Quarterly Holders Quick Answers

What is CUSIP 03237H101?
CUSIP 03237H101 identifies AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2023
Previous quarter: Q3 2022

Recent filing periods for CUSIP 03237H101:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VIKING GLOBAL INVESTORS LP	13F 3/4/5	Company · 10%+ Owner	5.3%	5,770,536	$162,441,000	—	30 Sep 2022	13F 3/4/5
PERCEPTIVE ADVISORS LLC	13F	Company	5%	5,472,033	$154,038,000	—	30 Sep 2022	13F
VANGUARD GROUP INC	13F	Company	3.2%	3,514,356	$98,929,000	—	30 Sep 2022	13F
ALS Invest 1 B.V.	3/4/5	10%+ Owner	— class O/S missing	5,895,280	$96,258,721	—	06 Jul 2022	3/4/5
BlackRock Finance, Inc.	13F	Company	2.1%	2,295,834	$64,628,000	—	30 Sep 2022	13F
Boxer Capital, LLC	13F	Company	1.9%	2,084,000	$58,665,000	—	30 Sep 2022	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1.2%	1,350,000	$38,003,000	—	30 Sep 2022	13F
DRAGSA 96 LLC	3/4/5	10%+ Owner	— class O/S missing	2,300,000	$37,554,630	—	11 Jan 2022	3/4/5
FEDERATED HERMES, INC.	13F	Company	1.2%	1,329,000	$37,411,000	—	30 Sep 2022	13F
Bain Capital Life Sciences Investors, LLC	13F	Company	0.93%	1,023,214	$28,803,000	—	30 Sep 2022	13F
Woodline Partners LP	13F	Company	0.93%	1,020,384	$28,724,000	—	30 Sep 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.84%	921,128	$25,930,000	—	30 Sep 2022	13F
STATE STREET CORP	13F	Company	0.76%	827,068	$23,282,000	—	30 Sep 2022	13F
CITADEL ADVISORS LLC	13F	Company	0.74%	806,830	$22,712,000	—	30 Sep 2022	13F
Alpha Wave Global, LP	13F	Company	0.64%	700,635	$19,723,000	—	30 Sep 2022	13F
Avoro Capital Advisors LLC	13F	Company	0.59%	650,000	$18,298,000	—	30 Sep 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.58%	635,556	$17,890,000	—	30 Sep 2022	13F
Cormorant Asset Management, LP	13F	Company	0.56%	610,000	$17,172,000	—	30 Sep 2022	13F
EMERALD ADVISERS, LLC	13F	Company	0.55%	601,226	$16,925,000	—	30 Sep 2022	13F
Ghost Tree Capital, LLC	13F	Company	0.5%	550,000	$15,483,000	—	30 Sep 2022	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.43%	471,887	$13,284,000	—	30 Sep 2022	13F
Point72 Asset Management, L.P.	13F	Company	0.43%	466,961	$13,145,000	—	30 Sep 2022	13F
Soleus Capital Management, L.P.	13F	Company	0.39%	429,336	$12,086,000	—	30 Sep 2022	13F
Rock Springs Capital Management LP	13F	Company	0.37%	403,737	$11,365,000	—	30 Sep 2022	13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC	13F	Company	0.35%	382,212	$10,759,000	—	30 Sep 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.35%	379,399	$10,680,000	—	30 Sep 2022	13F
MARSHALL WACE, LLP	13F	Company	0.31%	341,064	$9,600,000	—	30 Sep 2022	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.3%	325,700	$9,168,000	—	30 Sep 2022	13F
Verition Fund Management LLC	13F	Company	0.29%	312,416	$8,795,000	—	30 Sep 2022	13F
NORTHERN TRUST CORP	13F	Company	0.26%	285,808	$8,045,000	—	30 Sep 2022	13F
Allspring Global Investments Holdings, LLC	13F	Company	0.25%	269,498	$7,586,000	—	30 Sep 2022	13F
MORGAN STANLEY	13F	Company	0.25%	269,068	$7,575,000	—	30 Sep 2022	13F
Invesco Ltd.	13F	Company	0.24%	261,536	$7,362,000	—	30 Sep 2022	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.22%	240,739	$6,777,000	—	30 Sep 2022	13F
Nuveen Asset Management, LLC	13F	Company	0.33%	356,687	$6,385,000	—	30 Sep 2022	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.19%	205,400	$5,782,000	—	30 Sep 2022	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.17%	191,334	$5,386,000	—	30 Sep 2022	13F
D. E. Shaw & Co., Inc.	13F	Company	0.15%	162,265	$4,568,000	—	30 Sep 2022	13F
Bank of New York Mellon Corp	13F	Company	0.11%	116,939	$3,292,000	—	30 Sep 2022	13F
SIMPLEX TRADING, LLC	13F	Company	0.11%	116,604	$3,282,000	—	30 Sep 2022	13F
GROUP ONE TRADING LLC	13F	Company	0.08%	88,985	$2,505,000	—	30 Sep 2022	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.06%	68,652	$1,933,000	—	30 Sep 2022	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.06%	67,875	$1,911,000	—	30 Sep 2022	13F
SEI INVESTMENTS CO	13F	Company	0.06%	63,674	$1,792,000	—	30 Sep 2022	13F
ExodusPoint Capital Management, LP	13F	Company	0.06%	62,219	$1,751,000	—	30 Sep 2022	13F
Walleye Capital LLC	13F	Company	0.06%	61,882	$1,742,000	—	30 Sep 2022	13F
Belvedere Trading LLC	13F	Company	0.04%	43,499	$1,627,000	—	30 Sep 2022	13F
RHUMBLINE ADVISERS	13F	Company	0.04%	45,793	$1,289,000	—	30 Sep 2022	13F
BROWN ADVISORY INC	13F	Company	0.04%	43,441	$1,223,000	—	30 Sep 2022	13F
Caption Management, LLC	13F	Company	0.04%	42,947	$1,209,000	—	30 Sep 2022	13F

Institutional Holders of Amylyx Pharmaceuticals, Inc. - Common Stock (AMLX) as of Q4 2022

As of 31 Dec 2022, Amylyx Pharmaceuticals, Inc. - Common Stock (AMLX) was held by 131 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 48,572,530 shares. The largest 10 holders included PERCEPTIVE ADVISORS LLC, VIKING GLOBAL INVESTORS LP, VANGUARD GROUP INC, BlackRock Inc., DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), Point72 Asset Management, L.P., Boxer Capital, LLC, ADAGE CAPITAL PARTNERS GP, L.L.C., FEDERATED HERMES, INC., and D. E. Shaw & Co., Inc.. This page lists 131 institutional shareholders reporting positions in this security for the Q4 2022 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2022 vs Q3 2022 Across Filers

Q3 2022 holders

Q4 2022 holders

131

Holder diff

Investor	Q3 2022 Shares	Q4 2022 Shares	Share Diff	Share Chg %	Q3 2022 Value $	Q4 2022 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.