Shares Outstanding for Fastly (FSLY)
According to Fastly's latest reported financial statements, the company's latest reported diluted shares outstanding is 150.32M. 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 .
FSLY
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Latest period
150.32M
YoY change
+6.4%
5Y CAGR
+7.2%
Peak year (2025)
146.90M
Latest annual
146.90M
Shares Outstanding history chart for Fastly (FSLY) from 2017 to 2025
Shares Outstanding history table for Fastly (FSLY) from 2017 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 146.90M | +6.4% | ||
| 2024 | 138.10M | +7.2% | ||
| 2023 | 128.77M | +5.8% | ||
| 2022 | 121.72M | +4.9% | ||
| 2021 | 116.05M | +12.1% | ||
| 2020 | 103.55M | +51.5% | ||
| 2019 | 68.35M | -13.4% | ||
| 2018 | 78.92M | 0.0% | ||
| 2017 | 78.92M | — |
Shares Outstanding values are taken from Fastly's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
In 2025, Fastly (FSLY) diluted shares outstanding totalled 146.90M – 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 146.90M was reported in 2025. The lowest in the available history was 68.35M in 2019.
Fastly (FSLY) sits 9th of 8 Technology peers we track on this metric, against a peer median of 5.02B.
Fastly Shares Outstanding by Year
Fastly Shares Outstanding 2025: 146.90M
Fastly diluted shares outstanding in 2025 was 146.90M, grew 6.4% from 2024. This figure represents the highest annual value in the available history.
Fastly Shares Outstanding 2024: 138.10M
Fastly diluted shares outstanding in 2024 was 138.10M, grew 7.2% from 2023.
Fastly Shares Outstanding 2023: 128.77M
Fastly diluted shares outstanding in 2023 was 128.77M, grew 5.8% from 2022.
Fastly Shares Outstanding 2022: 121.72M
Fastly diluted shares outstanding in 2022 was 121.72M, edged up 4.9% from 2021.
Fastly Shares Outstanding 2021: 116.05M
Fastly diluted shares outstanding in 2021 was 116.05M.
See more financial history for Fastly (FSLY).
Sector peers — Shares Outstanding
Companies in the same sector as Fastly, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| NVIDIA Corporation (NVDA) | 24.43B | Technology |
| Apple Inc. (AAPL) | 15.00B | Technology |
| Microsoft Corporation (MSFT) | 7.46B | Technology |
| Taiwan Semiconductor Manufacturing Company Limited (TSM) | 5.19B | Technology |
| Broadcom Inc. (AVGO) | 4.85B | Technology |
| Advanced Micro Devices, Inc. (AMD) | 1.64B | Technology |
| Micron Technology, Inc. (MU) | 1.13B | Technology |
| ASML Holding N.V. (ASML) | 388.90M | Technology |
Frequently asked questions
What is Fastly's diluted shares outstanding?
- Latest reported diluted shares outstanding for Fastly (FSLY) is 150.32M (period ending December 31, 2025).
How has Fastly diluted shares outstanding changed year-over-year?
- Fastly (FSLY) diluted shares outstanding changed +6.4% year-over-year on the latest annual filing.
What is the long-term growth rate of Fastly diluted shares outstanding?
- Fastly (FSLY) diluted shares outstanding compound annual growth rate is +7.2% over the most recent 5 years available.
When did Fastly diluted shares outstanding hit its highest annual value?
- Fastly diluted shares outstanding reached its highest annual value of 146.90M in 2025.
What was Fastly diluted shares outstanding in 2024?
- Fastly (FSLY) diluted shares outstanding in 2024 was 138.10M.
What was Fastly diluted shares outstanding in 2025?
- Fastly (FSLY) diluted shares outstanding in 2025 was 146.90M.
Metrics overview
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