RKLB vs. SUNB: Rocket Lab vs. Sunbelt Rentals Stock Comparison
How do Rocket Lab (RKLB) and Sunbelt Rentals (SUNB) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Rocket Lab (RKLB) and Sunbelt Rentals (SUNB) both fall under the Capital Goods industry group, but RKLB is classified in Aerospace & Defense while SUNB is classified in Trading Companies & Distributors.
Rocket Lab (RKLB) has traded publicly since November 24, 2020, giving it several years of listed trading history, while Sunbelt Rentals (SUNB) only listed on March 2, 2026 and has a limited public-market record.
| Profile Item | RKLB | SUNB |
|---|---|---|
| Name | Rocket Lab Corporation | Sunbelt Rentals Holdings, Inc. |
| Country/Region | United States | United States |
| GICS Sector | Industrials | Industrials |
| GICS Industry Group | Capital Goods | Capital Goods |
| GICS Industry | Aerospace & Defense | Trading Companies & Distributors |
| GICS Sub-Industry | Aerospace & Defense | Trading Companies & Distributors |
| Market Capitalization | 33.93 billion USD | 31.57 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | NYSE |
| Listing Date | November 24, 2020 | March 2, 2026 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| Total Return (1Y) | 12.96% | -- |
| Total Return (3Y, Annualized) | 138.86% | -- |
| Total Return (5Y, Annualized) | 31.49% | -- |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
Rocket Lab (RKLB) carries a highly aggressive beta of 3.14, indicating much higher sensitivity to broad-market moves, whereas Sunbelt Rentals (SUNB) is closer to market-like at 1.10 — a noticeable difference in market-sensitivity profile.
| Metric | RKLB | SUNB |
|---|---|---|
| Volatility (1Y, Annualized) | 95.71% | 45.72% |
| Beta (5Y) | 3.14 | 1.10 |
| Max Drawdown (5Y) | -78.32% | -22.53% |
| Avg. Volume (3M) | 19.51M | 4.96M |
Risk-Adjusted Performance
Risk-Return Positioning
Both RKLB and SUNB need 1-year volatility and 1-year return to plot risk-return positioning.
Risk-Adjusted Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| Sharpe Ratio (1Y) | 0.09 | -- |
| Sortino Ratio (1Y) | 0.14 | -- |
Profitability
ROE (TTM)
Rocket Lab (RKLB) reports a negative ROE of -7.92%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile Sunbelt Rentals (SUNB) reports 18.37%, ranking against industry peers normally.
RKLB
Capital Goods industry group
-7.92%
- Max
- 40.55%
- Q3
- 19.29%
- Median
- 12.12%
- Q1
- 4.08%
- RKLB
- -7.92%
- Min
- -17.12%
SUNB
Capital Goods industry group
18.37%
- Max
- 40.55%
- Q3
- 19.29%
- SUNB
- 18.37%
- Median
- 12.12%
- Q1
- 4.08%
- Min
- -17.12%
Net Margin (TTM)
Rocket Lab (RKLB) reports a negative net margin of -21.51%, usually indicating a net loss over the period. Meanwhile Sunbelt Rentals (SUNB) reports 12.12%, ranking against industry peers normally.
RKLB
Capital Goods industry group
-21.51%
- Max
- 27.47%
- Q3
- 12.10%
- Median
- 6.30%
- Q1
- 1.40%
- Min
- -12.89%
- RKLB
- -21.51%
SUNB
Capital Goods industry group
12.12%
- Max
- 27.47%
- SUNB
- 12.12%
- Q3
- 12.10%
- Median
- 6.30%
- Q1
- 1.40%
- Min
- -12.89%
Operating Margin (TTM)
Rocket Lab (RKLB) reports a negative operating margin of -24.57%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile Sunbelt Rentals (SUNB) reports 22.38%, ranking against industry peers normally.
RKLB
Capital Goods industry group
-24.57%
- Max
- 36.60%
- Q3
- 18.33%
- Median
- 11.12%
- Q1
- 5.14%
- Min
- -12.63%
- RKLB
- -24.57%
SUNB
Capital Goods industry group
22.38%
- Max
- 36.60%
- SUNB
- 22.38%
- Q3
- 18.33%
- Median
- 11.12%
- Q1
- 5.14%
- Min
- -12.63%
Profitability Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| ROE (TTM) | -7.92% | 18.37% |
| ROA (TTM) | -4.62% | 6.71% |
| Net Margin (TTM) | -21.51% | 12.12% |
| Operating Margin (TTM) | -24.57% | 22.38% |
| Gross Margin (TTM) | 37.26% | 38.78% |
Growth
Revenue Growth
Rocket Lab (RKLB) at 37.96% sits in the top revenue growth quartile, while Sunbelt Rentals (SUNB) at 3.36% is closer to the peer norm — faster top-line expansion for RKLB.
EPS Growth
Only one side can be read here: Sunbelt Rentals (SUNB) reports EPS growth of -8.91%, ranked against its industry; Rocket Lab (RKLB) has no EPS growth figure this period.
Growth Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| Revenue Growth (YoY) | 37.96% | 3.36% |
| Revenue Growth (3Y CAGR) | 41.82% | 4.88% |
| EPS Growth (YoY) | -- | -8.91% |
| EPS Growth (3Y CAGR) | -- | -4.89% |
Financial Strength
Current Ratio (MRQ)
Rocket Lab (RKLB) at 5.48 carries current ratio above its industry’s typical mid-range, while Sunbelt Rentals (SUNB) at 0.95 runs in the tighter-liquidity quartile — different working-capital profiles, both worth examining.
RKLB
Capital Goods industry group
5.48
- RKLB
- 5.48
- Max
- 5.22
- Q3
- 2.95
- Median
- 2.08
- Q1
- 1.43
- Min
- 0.36
SUNB
Capital Goods industry group
0.95
- Max
- 5.22
- Q3
- 2.95
- Median
- 2.08
- Q1
- 1.43
- SUNB
- 0.95
- Min
- 0.36
Debt / Equity (MRQ)
Rocket Lab (RKLB) at 0.04 keeps leverage in the lower quartile, while Sunbelt Rentals (SUNB) at 1.53 sits in the higher-leverage quartile.
RKLB
Capital Goods industry group
0.04
- Max
- 2.33
- Q3
- 1.12
- Median
- 0.60
- Q1
- 0.29
- RKLB
- 0.04
- Min
- 0.00
SUNB
Capital Goods industry group
1.53
- Max
- 2.33
- SUNB
- 1.53
- Q3
- 1.12
- Median
- 0.60
- Q1
- 0.29
- Min
- 0.00
Financial Strength Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| Current Ratio (MRQ) | 5.48 | 0.95 |
| Debt / Equity (MRQ) | 0.04 | 1.53 |
| Net Debt / EBITDA | -- | 3.93 |
Dividends
Dividend Yield (TTM)
Rocket Lab (RKLB) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Sunbelt Rentals (SUNB) reports a yield of 1.87%, ranking against industry peers normally.
RKLB
Capital Goods industry group
0.00%
- Max
- 2.66%
- Q3
- 1.14%
- Median
- 0.24%
- RKLB
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
SUNB
Capital Goods industry group
1.87%
- Max
- 2.66%
- SUNB
- 1.87%
- Q3
- 1.14%
- Median
- 0.24%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Rocket Lab (RKLB) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Sunbelt Rentals (SUNB) reports a payout of 22.63%, ranking against industry peers normally.
RKLB
Capital Goods industry group
0.00%
- Max
- 67.39%
- Q3
- 28.02%
- Median
- 6.86%
- RKLB
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
SUNB
Capital Goods industry group
22.63%
- Max
- 67.39%
- Q3
- 28.02%
- SUNB
- 22.63%
- Median
- 6.86%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| Dividend Yield (TTM) | 0.00% | 1.87% |
| Dividend Payout Ratio (TTM) | 0.00% | 22.63% |
Valuation
P/E Ratio (TTM)
An earnings multiple is available for just one side: Sunbelt Rentals (SUNB) trades at 23.28 times trailing earnings, ranked against its peers, while Rocket Lab (RKLB) has no P/E ratio this period.
RKLB
Capital Goods industry group
--
- Max
- 59.38
- Q3
- 35.92
- Median
- 25.41
- Q1
- 19.47
- Min
- 3.03
- RKLB
- --
SUNB
Capital Goods industry group
23.28
- Max
- 59.38
- Q3
- 35.92
- Median
- 25.41
- SUNB
- 23.28
- Q1
- 19.47
- Min
- 3.03
P/S Ratio (TTM)
Sunbelt Rentals (SUNB) at 2.75 prices around its industry’s typical P/S ratio, while Rocket Lab (RKLB) at 44.12 clears its benchmark range — RKLB looks notably rich on sales.
RKLB
Capital Goods industry group
44.12
- RKLB
- 44.12
- Max
- 7.54
- Q3
- 3.76
- Median
- 2.15
- Q1
- 1.03
- Min
- 0.03
SUNB
Capital Goods industry group
2.75
- Max
- 7.54
- Q3
- 3.76
- SUNB
- 2.75
- Median
- 2.15
- Q1
- 1.03
- Min
- 0.03
P/B Ratio (MRQ)
Sunbelt Rentals (SUNB) at 4.24 is valued about in line with its industry on P/B ratio, while Rocket Lab (RKLB) at 9.09 carries an above-peer premium to book — RKLB is pricier on assets.
RKLB
Capital Goods industry group
9.09
- Max
- 9.66
- RKLB
- 9.09
- Q3
- 5.00
- Median
- 3.12
- Q1
- 1.81
- Min
- -1.08
SUNB
Capital Goods industry group
4.24
- Max
- 9.66
- Q3
- 5.00
- SUNB
- 4.24
- Median
- 3.12
- Q1
- 1.81
- Min
- -1.08
Valuation Metrics
| Metric | RKLB | SUNB |
|---|---|---|
| P/E Ratio (TTM) | -- | 23.28 |
| P/S Ratio (TTM) | 44.12 | 2.75 |
| P/B Ratio (MRQ) | 9.09 | 4.24 |
| Free Cash Flow Yield (TTM) | -0.74% | 5.47% |