Which has the lower trailing P/E, ALAB or COHR?

COHR has the lower trailing P/E: ALAB trades at 139.32 and COHR at 64.33. P/E is one valuation measure and does not by itself establish which business is cheaper.

Is ALAB or COHR more profitable?

ALAB runs the higher net margin — ALAB at 30.74% versus COHR at 11.31%.

Astera Labs, Inc. Common Stock (ALAB) vs Coherent, Inc. (COHR)

A side-by-side comparison of Astera Labs, Inc. Common Stock and Coherent, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 4, 2026. Differences are shown without an overall score or investment verdict.

ALAB

Astera Labs, Inc. Common Stock

$53.40B

$311.52TechnologyDelayed quote: Sep 4, 2026, 3:10 PM EDT

COHR

Coherent, Inc.

$54.45B

$278.31TechnologyDelayed quote: Sep 4, 2026, 3:10 PM EDT

Total return — ALAB vs COHR

growth of $100 · dividends reinvested · last 2y

ALAB +355.9% (+113.5%/yr)COHR +342.7% (+110.4%/yr)ALAB compounded faster over this window

ALAB COHR

ALAB vs COHR: by the numbers

•COHR is the larger company ($54.45B vs $53.40B market cap).
•COHR trades at the lower trailing earnings multiple (64.33 vs 139.32 P/E), one valuation lens rather than an overall verdict.
•ALAB converts more revenue to profit (30.74% vs 11.31% net margin).

Metrics side by side

Valuation

Metric	ALAB	COHR
P/E ratio	139.32	64.33
Forward P/E	70.81	48.28
P/S ratio	42.89	7.51
P/B ratio	29.87	4.90
EV / EBITDA	180.20	40.70
FCF yield	0.54%	N/A

Profitability

Metric	ALAB	COHR
Gross margin	75.13%	37.50%
Operating margin	22.75%	11.96%
Net margin	30.74%	11.31%
ROE	21.41%	7.38%
ROIC	15.47%	5.11%

Growth (annualized)

Metric	ALAB	COHR
Revenue CAGR (5Y)	N/A	18.04%
EPS CAGR (5Y)	N/A	11.66%
FCF CAGR (5Y)	N/A	-24.88%
Total return CAGR (5Y)	N/A	33.88%

Frequently asked

Which has the lower trailing P/E, ALAB or COHR?: COHR has the lower trailing P/E: ALAB trades at 139.32 and COHR at 64.33. P/E is one valuation measure and does not by itself establish which business is cheaper.
Is ALAB or COHR more profitable?: ALAB runs the higher net margin — ALAB at 30.74% versus COHR at 11.31%.

Go deeper

Full ALAB analysis Full COHR analysis Interactive comparison tool

Dig into the metrics

Astera Labs, Inc. Common Stock P/E ratio Coherent P/E ratio Astera Labs, Inc. Common Stock ROE Coherent ROE Astera Labs, Inc. Common Stock operating margin Coherent operating margin Astera Labs, Inc. Common Stock revenue growth Coherent revenue growth Astera Labs, Inc. Common Stock free cash flow Coherent free cash flow

Astera Labs, Inc. Common Stock & Coherent appear in these rankings

Fastest Revenue Growth 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 4, 2026.