Latest period
154M
YoY change
+6.4%
5Y CAGR
+7.2%
Peak year (FY2025)
147M
Latest annual
147M
Shares Outstanding history chart for Fastly (FSLY) from 2017 to 2025
Latest: 147M
Shares Outstanding growth chart for Fastly (FSLY) from 2017 to 2025
Latest: +6.4%
Shares Outstanding history table for Fastly (FSLY) from 2017 to 2025
| FY2025 | 147M | +6.4% | +8.8M | ||
| FY2024 | 138M | +7.2% | +9.33M | ||
| FY2023 | 129M | +5.8% | +7.05M | ||
| FY2022 | 122M | +4.9% | +5.67M | ||
| FY2021 | 116M | +12.1% | +12.5M | ||
| FY2020 | 104M | +51.5% | +35.2M | ||
| FY2019 | 68.4M | -13.4% | -10.6M | ||
| FY2018 | 78.9M | 0.0% | 0 | ||
| FY2017 | 78.9M | — | — |
- FY2025147M+6.4%
- FY2024138M+7.2%
- FY2023129M+5.8%
- FY2022122M+4.9%
- FY2021116M+12.1%
- FY2020104M+51.5%
- FY201968.4M-13.4%
- FY201878.9M0.0%
- FY201778.9M—
Shares Outstanding values are taken from Fastly's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Shares Outstanding at Fastly (FSLY)
According to Fastly's latest reported financial statements, the company's latest reported diluted shares outstanding is 154M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
In 2025, Fastly (FSLY) diluted shares outstanding totalled 147M – grew 6.4% year-over-year.
Fastly diluted shares outstanding compound annual growth for the 2020–2025 (5 years) window is +7.2%, sustaining 6 straight years of year-over-year growth.
The highest annual diluted shares outstanding of 147M was reported in 2025. The lowest in the available history was 68.4M in 2019.
Fastly Shares Outstanding by Year
Fastly Shares Outstanding 2025: 147M
2025's diluted shares outstanding for Fastly came in at 147M, grew 6.4% from 2024. This figure represents the highest annual value in the available history.
Fastly Shares Outstanding 2024: 138M
Fastly posted diluted shares outstanding of 138M in 2024, grew 7.2% from 2023.
Fastly Shares Outstanding 2023: 129M
In 2023, Fastly reported diluted shares outstanding of 129M, grew 5.8% from 2022.
Fastly Shares Outstanding 2022: 122M
Fastly diluted shares outstanding in 2022 was 122M, edged up 4.9% from 2021.
Fastly Shares Outstanding 2021: 116M
Fastly diluted shares outstanding in 2021 was 116M.
See more financial history for Fastly (FSLY).
Sector peers by Shares Outstanding
Technology peers of Fastly (FSLY), ranked by their latest diluted shares outstanding
| 24.5B | |
| 15B | |
| 7.45B | |
| 7.06B | |
| 5.19B | |
| 4.85B | |
| 1.64B | |
| 1.13B |
- 24.5B
- 15B
- 7.45B
- 7.06B
- 5.19B
- 4.85B
- 1.64B
Frequently asked questions
Fastly (FSLY) Key Financials
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How this company returns cash to shareholders — buybacks, dividends, and stock splits.