Which has grown faster, ACLS or BILL?

Over the past five years, BILL grew revenue faster — ACLS at a 11.06% CAGR versus BILL at 47.32%.

Is ACLS or BILL more profitable?

ACLS runs the higher net margin — ACLS at 10.71% versus BILL at -0.68%.

How have ACLS and BILL total returns compared?

Over the past 5 years, ACLS delivered 18.11% and BILL delivered -30.21% annualized total return. Past performance doesn't predict future results.

Axcelis Technologies, Inc. (ACLS) vs Bill.com Holdings, Inc. (BILL)

A side-by-side comparison of Axcelis Technologies, Inc. and Bill.com Holdings, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 8, 2026. Differences are shown without an overall score or investment verdict.

ACLS

Axcelis Technologies, Inc.

$3.69B

$120.16TechnologyDelayed quote: Sep 8, 2026, 3:15 PM EDT

BILL

Bill.com Holdings, Inc.

$4.71B

$47.32TechnologyDelayed quote: Sep 8, 2026, 3:15 PM EDT

Total return — ACLS vs BILL

growth of $100 · dividends reinvested · last 7y

ACLS +396.2% (+25.7%/yr)BILL +38.5% (+4.8%/yr)ACLS compounded faster over this window

ACLS BILL

ACLS vs BILL: by the numbers

•BILL is the larger company ($4.71B vs $3.69B market cap).
•ACLS is profitable (10.71% net margin) while BILL runs a net loss (-0.68%).
•BILL grew revenue faster over the past five years (47.32% vs 11.06% CAGR).

Metrics side by side

Valuation

Metric	ACLS	BILL
P/E ratio	38.62	N/A
Forward P/E	28.03	18.58
P/S ratio	4.14	2.97
P/B ratio	3.36	1.39
EV / EBITDA	32.40	43.12
FCF yield	1.83%	9.75%

Profitability

Metric	ACLS	BILL
Gross margin	43.01%	80.93%
Operating margin	10.33%	1.06%
Net margin	10.71%	-0.68%
ROE	8.71%	-0.32%
ROIC	6.58%	0.32%

Growth (annualized)

Metric	ACLS	BILL
Revenue CAGR (5Y)	11.06%	47.32%
EPS CAGR (5Y)	20.50%	N/A
FCF CAGR (5Y)	4.66%	N/A
Total return CAGR (5Y)	18.11%	-30.21%

Frequently asked

Which has grown faster, ACLS or BILL?: Over the past five years, BILL grew revenue faster — ACLS at a 11.06% CAGR versus BILL at 47.32%.
Is ACLS or BILL more profitable?: ACLS runs the higher net margin — ACLS at 10.71% versus BILL at -0.68%.
How have ACLS and BILL total returns compared?: Over the past 5 years, ACLS delivered 18.11% and BILL delivered -30.21% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACLS analysis Full BILL analysis Interactive comparison tool

Dig into the metrics

Axcelis Technologies P/E ratio Axcelis Technologies ROE Bill.com ROE Axcelis Technologies operating margin Bill.com operating margin Axcelis Technologies revenue growth Bill.com revenue growth Axcelis Technologies free cash flow Bill.com free cash flow

Axcelis Technologies & Bill.com appear in these rankings

Fastest Revenue Growth Stocks Highest FCF Yield Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 8, 2026.