Stocks / FSLY vs RUN

FSLY vs RUN: Which Stock Is the Better Buy?

Fastly, Inc. and Sunrun Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Technology.

FSLY is the larger company ($2.9B vs $2.8B). On the fundamentals, RUN grows revenue faster (26.2% vs 16.5%); RUN earns a higher net margin (15.2% vs -19.5%); RUN has the stronger return on equity (14.4% vs -13.1%). Both carry 2 potential red flags in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — FSLY vs RUN, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Fastly, Inc. (FSLY)Sunrun Inc. (RUN)
Market cap$2.9B$2.8B
Revenue (latest FY)$624.02M$2.96B
Net income (latest FY)$-121.68M$449.95M
Revenue growth (5y CAGR)16.5%26.2%
Net margin-19.5%15.2%
Return on equity-13.1%14.4%
P/E ratio5.5
Dividend yield
Profitable years (of last 10)06
Positive free cash flowYes

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full FSLY vs RUN breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open FSLY's full financials →   Open RUN's full financials →

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Frequently asked questions

Which is bigger, FSLY or RUN?

Fastly, Inc. is larger by market capitalization — $2.9B versus $2.8B.

Which grows faster, FSLY or RUN?

Over the last five fiscal years, Sunrun Inc. grew revenue faster — 26.2%/yr versus 16.5%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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FSLY fundamentals → · RUN fundamentals → · All 1,500+ companies → · Free screener →