Common Stock, Shares, Outstanding of Amylyx Pharmaceuticals, Inc. from 31 Dec 2021 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
Amylyx Pharmaceuticals, Inc. quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2021 to 31 Dec 2025.
  • Amylyx Pharmaceuticals, Inc. Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 109,884,502, a 60% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

Amylyx Pharmaceuticals, Inc. Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 109,884,502 +41,254,764 +60% 31 Dec 2025 10-K 03 Mar 2026 2025 FY
Q3 2025 109,766,382 +41,220,874 +60% 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 89,156,350 +21,077,293 +31% 30 Jun 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 89,080,821 +21,105,234 +31% 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 68,629,738 +922,306 +1.4% 31 Dec 2024 10-K 03 Mar 2026 2025 FY
Q3 2024 68,545,508 +1,040,382 +1.5% 30 Sep 2024 10-Q 07 Nov 2024 2024 Q3
Q2 2024 68,079,057 +724,640 +1.1% 30 Jun 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 67,975,587 +879,984 +1.3% 31 Mar 2024 10-Q 09 May 2024 2024 Q1
Q4 2023 67,707,432 +1,195,421 +1.8% 31 Dec 2023 10-K 04 Mar 2025 2024 FY
Q3 2023 67,505,126 +8,971,900 +15% 30 Sep 2023 10-Q 09 Nov 2023 2023 Q3
Q2 2023 67,354,417 +8,821,191 +15% 30 Jun 2023 10-Q 10 Aug 2023 2023 Q2
Q1 2023 67,095,603 +9,231,417 +16% 31 Mar 2023 10-Q 11 May 2023 2023 Q1
Q4 2022 66,512,011 +59,491,524 +847% 31 Dec 2022 10-K 22 Feb 2024 2023 FY
Q3 2022 58,533,226 30 Sep 2022 10-Q 10 Nov 2022 2022 Q3
Q2 2022 58,533,226 30 Jun 2022 10-Q 11 Aug 2022 2022 Q2
Q1 2022 57,864,186 31 Mar 2022 10-Q 12 May 2022 2022 Q1
Q4 2021 7,020,487 31 Dec 2021 10-K 13 Mar 2023 2022 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.