What is Rocket Lab USA, Inc.'s shares (diluted)?

Rocket Lab USA, Inc. (RKLB) reported shares (diluted) of 605.4M in Q1 2026.

How has Rocket Lab USA, Inc.'s shares (diluted) changed year-over-year?

Rocket Lab USA, Inc.'s shares (diluted) increased by 19.7% year-over-year, from 505.6M to 605.4M.

What does shares (diluted) mean?

The total number of shares that would exist if all 'potential' shares, like employee stock options, were converted into real stock.

Earnings Per Share

Shares (Diluted)

Rocket Lab USA, Inc. Shares (Diluted) increased by 14.5% to 605.4M in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 19.7%, from 505.6M to 605.4M. This increase may warrant attention — for this metric, lower values are generally preferred.

Analysis

StatementIncome Statement

SectionEarnings Per Share

CategoryCapital Allocation

SignalLower is better

VolatilityStable

First reportedQ1 2013

Last reportedQ1 2026

How to read this metric

An increase relative to basic shares indicates a higher reliance on equity-based compensation or convertible debt financing.

Detailed definition

Weighted-average shares outstanding (diluted) includes the total number of basic common shares plus all additional share...

Peer comparison

Commonly compared against basic shares to determine the 'dilution overhang' present in a company's capital structure.

Metric ID: is_weighted_shares_diluted

Historical Data

15 periods

	Q2 '21	Q3 '21	Q1 '22	Q2 '22	Q3 '22	Q1 '23	Q2 '23	Q3 '23	Q1 '24	Q2 '24	Q3 '24	Q1 '25	Q2 '25	Q3 '25	Q1 '26
Value	79M	228.3M	456.5M	464.7M	469.8M	476.2M	479.7M	484M	490M	494.2M	497.7M	505.6M	515.1M	528.7M	605.4M
QoQ Change	—	+189.1%	+100.0%	+1.8%	+1.1%	+1.4%	+0.7%	+0.9%	+1.2%	+0.9%	+0.7%	+1.6%	+1.9%	+2.6%	+14.5%
YoY Change	—	—	—	+488.5%	+105.8%	+4.3%	+3.2%	+3.0%	+2.9%	+3.0%	+2.8%	+3.2%	+4.2%	+6.2%	+19.7%

Range79M – 605.4M

CAGR+79.0%

Avg YoY Growth+53.9%

Median YoY Growth+3.7%

Current Streak14+ quarters growth

Shares (Diluted) at Other Companies

Northrop GrummanNOC View metric

Frequently Asked Questions

What is Rocket Lab USA, Inc.'s shares (diluted)?: Rocket Lab USA, Inc. (RKLB) reported shares (diluted) of 605.4M in Q1 2026.
How has Rocket Lab USA, Inc.'s shares (diluted) changed year-over-year?: Rocket Lab USA, Inc.'s shares (diluted) increased by 19.7% year-over-year, from 505.6M to 605.4M.
What does shares (diluted) mean?: The total number of shares that would exist if all 'potential' shares, like employee stock options, were converted into real stock.