Market Cap for Fastly (FSLY)
According to Fastly's latest reported financial statements, the company's latest reported market cap is $1.53B USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
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
$1.53B
YoY change
+159.2%
5Y CAGR
-1.2%
Peak year (2020)
$9.05B
Latest annual
$3.88B
Market Cap history chart for Fastly (FSLY) from 2019 to 2026
Market Cap history table for Fastly (FSLY) from 2019 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $3.88B | +159.2% | ||
| 2025 | $1.50B | +14.7% | ||
| 2024 | $1.30B | -43.1% | ||
| 2023 | $2.29B | +129.9% | ||
| 2022 | $996.91M | -75.8% | ||
| 2021 | $4.11B | -54.5% | ||
| 2020 | $9.05B | +559.5% | ||
| 2019 | $1.37B | — |
Market Cap 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
The 2026 reading of Fastly (FSLY) market cap is $3.88B – surged 159.2% year-over-year.
Fastly market cap compound annual growth for the 2021–2026 (5 years) window is -1.2%, sustaining 2 straight years of year-over-year growth.
Between 2020 and 2026, Fastly market cap plunged 57.2%, falling from $9.05B to $3.88B.
$9.05B stands as the all-time-high annual market cap, posted in 2020, against a low of $996.91M during 2022.
Fastly (FSLY) sits 9th of 8 Technology peers we track on this metric, against a peer median of $1.96T.
Fastly Market Cap by Year
Fastly Market Cap 2026: $3.88B
Fastly market cap in 2026 was $3.88B, surged 159.2% from 2025.
Fastly Market Cap 2025: $1.50B
Fastly market cap in 2025 was $1.50B, grew 14.7% from 2024.
Fastly Market Cap 2024: $1.30B
Fastly market cap in 2024 was $1.30B, plunged 43.1% below 2023.
Fastly Market Cap 2023: $2.29B
Fastly market cap in 2023 was $2.29B, surged 129.9% from 2022.
Fastly Market Cap 2022: $996.91M
Fastly market cap in 2022 was $996.91M.
See more financial history for Fastly (FSLY).
Sector peers — Market Cap
Companies in the same sector as Fastly, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| NVIDIA Corporation (NVDA) | $5.18T | Technology |
| Apple Inc. (AAPL) | $3.98T | Technology |
| Microsoft Corporation (MSFT) | $3.15T | Technology |
| Taiwan Semiconductor Manufacturing Company Limited (TSM) | $2.03T | Technology |
| Broadcom Inc. (AVGO) | $1.89T | Technology |
| Micron Technology, Inc. (MU) | $568.70B | Technology |
| ASML Holding N.V. (ASML) | $533.63B | Technology |
| Advanced Micro Devices, Inc. (AMD) | $522.87B | Technology |
Frequently asked questions
What is Fastly's market cap?
- Latest reported market cap for Fastly (FSLY) is $1.53B (period ending December 31, 2025).
How has Fastly market cap changed year-over-year?
- Fastly (FSLY) market cap changed +159.2% year-over-year on the latest annual filing.
What is the long-term growth rate of Fastly market cap?
- Fastly (FSLY) market cap compound annual growth rate is -1.2% over the most recent 5 years available.
When did Fastly market cap hit its highest annual value?
- Fastly market cap reached its highest annual value of $9.05B in 2020.
What was Fastly market cap in 2025?
- Fastly (FSLY) market cap in 2025 was $1.50B.
What was Fastly market cap in 2026?
- Fastly (FSLY) market cap in 2026 was $3.88B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
Explore more
FSLY Overview
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