Stocks / AMPX vs CTOS

AMPX vs CTOS: Which Stock Is the Better Buy?

Amprius Technologies, Inc. and Custom Truck One Source, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

CTOS is the larger company ($2.4B vs $2.3B). On the fundamentals, AMPX grows revenue faster (125.7% vs 45.1%); CTOS earns a higher net margin (-1.6% vs -61.2%); CTOS has the stronger return on equity (-3.8% vs -42.4%). On the filings, CTOS carries fewer potential red flags (2 vs 3). Full numbers below — the stronger figure on each row is in green.

AI verdict — AMPX vs CTOS, 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.

 Amprius Technologies, Inc. (AMPX)Custom Truck One Source, Inc. (CTOS)
Market cap$2.3B$2.4B
Revenue (latest FY)$71.91M$1.94B
Net income (latest FY)$-44.02M$-31.05M
Revenue growth (5y CAGR)125.7%45.1%
Net margin-61.2%-1.6%
Return on equity-42.4%-3.8%
P/E ratio
Dividend yield
Profitable years (of last 10)02
Positive free cash flowNoNo

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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 AMPX vs CTOS 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 AMPX's full financials →   Open CTOS's full financials →

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Frequently asked questions

Which is bigger, AMPX or CTOS?

Custom Truck One Source, Inc. is larger by market capitalization — $2.4B versus $2.3B.

Which grows faster, AMPX or CTOS?

Over the last five fiscal years, Amprius Technologies, Inc. grew revenue faster — 125.7%/yr versus 45.1%/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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AMPX fundamentals → · CTOS fundamentals → · All 1,500+ companies → · Free screener →