Which has grown faster, RKLB or WDC?

Over the past five years, RKLB grew revenue faster — RKLB at a 67.26% CAGR versus WDC at -6.28%.

Does RKLB or WDC pay a bigger dividend?

WDC pays a dividend (0.09% yield) while RKLB does not currently pay one.

Is RKLB or WDC more profitable?

WDC runs the higher net margin — RKLB at -26.87% versus WDC at 55.07%.

Which has been the better investment, RKLB or WDC?

Over the past 5-year, RKLB delivered the higher annualized total return — RKLB at 57.75% versus WDC at 33.71%. Past performance doesn't predict future results.

Rocket Lab USA, Inc. (RKLB) vs Western Digital Corporation (WDC)

WDC leads on 7 of 8 compared metrics.

A side-by-side comparison of Rocket Lab USA, Inc. and Western Digital Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Western Digital Corporation

$194.03B

$562.92Technology

Total return — RKLB vs WDC

growth of $100 · last 6y

RKLB +950.8%WDC +1546.0%WDC compounded faster

RKLB WDC

RKLB vs WDC: by the numbers

•WDC is the larger company ($194.03B vs $59.27B market cap).
•WDC is profitable (55.07% net margin) while RKLB runs a net loss (-26.87%).
•RKLB grew revenue faster over the past five years (67.26% vs -6.28% CAGR).
•WDC pays a dividend (0.09% yield) while RKLB does not currently pay one.

Which is better, RKLB or WDC?

Metric tally: RKLB 1 · WDC 7

It depends on what you're optimizing for:

GrowthRKLB(faster 5Y revenue CAGR)

QualityWDC(higher ROIC)

Valuation

Metric	RKLB	WDC
P/E ratio	—	32.96
Forward P/E	—	32.14
P/S ratio	91.22	17.97●
P/B ratio	27.38	21.87●
PEG ratio	—	2.55
EV / EBITDA	—	28.04
FCF yield	—	1.37%

Profitability

Metric	RKLB	WDC
Gross margin	36.56%	45.43%●
Operating margin	-33.20%	30.78%●
Net margin	-26.87%	55.07%●
ROE	-8.06%	67.00%●
ROIC	-10.09%	21.53%●

Dividends

Metric	RKLB	WDC
Dividend yield	—	0.09%
Payout ratio	—	9.42%

Growth (annualized)

Metric	RKLB	WDC
Revenue CAGR (5Y)	67.26%●	-6.28%
EPS CAGR (5Y)	—	12.92%
FCF CAGR (5Y)	—	78.08%
Total return CAGR (5Y)	57.75%	58.48%

Frequently asked

Which is better, RKLB or WDC?: It depends on your goal. growth: RKLB (faster 5Y revenue CAGR); quality: WDC (higher ROIC). Across all compared metrics, WDC leads 7 to 1.
Which has grown faster, RKLB or WDC?: Over the past five years, RKLB grew revenue faster — RKLB at a 67.26% CAGR versus WDC at -6.28%.
Does RKLB or WDC pay a bigger dividend?: WDC pays a dividend (0.09% yield) while RKLB does not currently pay one.
Is RKLB or WDC more profitable?: WDC runs the higher net margin — RKLB at -26.87% versus WDC at 55.07%.
Which has been the better investment, RKLB or WDC?: Over the past 5-year, RKLB delivered the higher annualized total return — RKLB at 57.75% versus WDC at 33.71%. Past performance doesn't predict future results.

Go deeper

Full RKLB analysis Full WDC analysis Interactive comparison tool

Dig into the metrics

Rocket Lab USA P/E ratio Western Digital P/E ratio Rocket Lab USA dividend yield Western Digital dividend yield Rocket Lab USA ROE Western Digital ROE Rocket Lab USA operating margin Western Digital operating margin Rocket Lab USA revenue growth Western Digital revenue growth Rocket Lab USA free cash flow Western Digital free cash flow

Rocket Lab USA & Western Digital appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC Stocks Highest Operating Margin 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 June 13, 2026.