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Side-by-side financial comparison of Energy Vault Holdings, Inc. (NRGV) and RxSight, Inc. (RXST). Click either name above to swap in a different company.

Energy Vault Holdings, Inc. is the larger business by last-quarter revenue ($33.3M vs $32.6M, roughly 1.0× RxSight, Inc.). RxSight, Inc. runs the higher net margin — -28.1% vs -80.5%, a 52.4% gap on every dollar of revenue. On growth, Energy Vault Holdings, Inc. posted the faster year-over-year revenue change (2678.9% vs -18.9%). RxSight, Inc. produced more free cash flow last quarter ($-2.3M vs $-27.2M). Over the past eight quarters, RxSight, Inc.'s revenue compounded faster (5.1% CAGR vs -46.9%).

Energy Vault is a global energy storage company specializing in gravity and kinetic energy based, long-duration energy storage products. Energy Vault's primary product is a gravity battery to store energy by stacking heavy blocks made of composite material into a structure, capturing potential energy in the elevation gain of the blocks. When demand for electricity is high, these blocks are lowered with the motors functioning as generators and delivering electricity to the grid.

RxSight, Inc. is a medical technology company focused on developing and commercializing innovative intraocular lens solutions for patients undergoing cataract and refractive lens exchange procedures. Its flagship Light Adjustable Lens allows post-surgery power adjustment via a dedicated light delivery device, serving global ophthalmology care markets to improve post-operative visual outcomes for patients.

NRGV vs RXST — Head-to-Head

Bigger by revenue
NRGV
NRGV
1.0× larger
NRGV
$33.3M
$32.6M
RXST
Growing faster (revenue YoY)
NRGV
NRGV
+2697.8% gap
NRGV
2678.9%
-18.9%
RXST
Higher net margin
RXST
RXST
52.4% more per $
RXST
-28.1%
-80.5%
NRGV
More free cash flow
RXST
RXST
$24.9M more FCF
RXST
$-2.3M
$-27.2M
NRGV
Faster 2-yr revenue CAGR
RXST
RXST
Annualised
RXST
5.1%
-46.9%
NRGV

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
NRGV
NRGV
RXST
RXST
Revenue
$33.3M
$32.6M
Net Profit
$-26.8M
$-9.2M
Gross Margin
27.0%
77.5%
Operating Margin
-52.8%
-34.8%
Net Margin
-80.5%
-28.1%
Revenue YoY
2678.9%
-18.9%
Net Profit YoY
-0.8%
-54.1%
EPS (diluted)
$-0.16
$-0.22

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
NRGV
NRGV
RXST
RXST
Q4 25
$32.6M
Q3 25
$33.3M
$30.3M
Q2 25
$8.5M
$33.6M
Q1 25
$8.5M
$37.9M
Q4 24
$33.5M
$40.2M
Q3 24
$1.2M
$35.3M
Q2 24
$3.8M
$34.9M
Q1 24
$7.8M
$29.5M
Net Profit
NRGV
NRGV
RXST
RXST
Q4 25
$-9.2M
Q3 25
$-26.8M
$-9.8M
Q2 25
$-34.9M
$-11.8M
Q1 25
$-21.1M
$-8.2M
Q4 24
$-61.8M
$-5.9M
Q3 24
$-26.6M
$-6.3M
Q2 24
$-26.2M
$-6.1M
Q1 24
$-21.1M
$-9.1M
Gross Margin
NRGV
NRGV
RXST
RXST
Q4 25
77.5%
Q3 25
27.0%
79.9%
Q2 25
29.6%
74.9%
Q1 25
57.1%
74.8%
Q4 24
7.7%
71.6%
Q3 24
40.3%
71.4%
Q2 24
27.8%
69.5%
Q1 24
26.7%
70.1%
Operating Margin
NRGV
NRGV
RXST
RXST
Q4 25
-34.8%
Q3 25
-52.8%
-40.1%
Q2 25
-330.7%
-41.6%
Q1 25
-244.8%
-28.2%
Q4 24
-150.6%
-21.5%
Q3 24
-2258.1%
-26.1%
Q2 24
-739.7%
-23.9%
Q1 24
-317.4%
-36.2%
Net Margin
NRGV
NRGV
RXST
RXST
Q4 25
-28.1%
Q3 25
-80.5%
-32.4%
Q2 25
-410.3%
-35.0%
Q1 25
-247.7%
-21.6%
Q4 24
-184.7%
-14.8%
Q3 24
-2217.9%
-17.9%
Q2 24
-694.6%
-17.4%
Q1 24
-272.4%
-30.8%
EPS (diluted)
NRGV
NRGV
RXST
RXST
Q4 25
$-0.22
Q3 25
$-0.16
$-0.24
Q2 25
$-0.22
$-0.29
Q1 25
$-0.14
$-0.20
Q4 24
$-0.41
$-0.14
Q3 24
$-0.18
$-0.16
Q2 24
$-0.18
$-0.16
Q1 24
$-0.14
$-0.25

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
NRGV
NRGV
RXST
RXST
Cash + ST InvestmentsLiquidity on hand
$32.7M
$228.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$80.5M
$275.7M
Total Assets
$281.9M
$311.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NRGV
NRGV
RXST
RXST
Q4 25
$228.1M
Q3 25
$32.7M
$227.5M
Q2 25
$22.3M
$227.5M
Q1 25
$21.2M
$229.3M
Q4 24
$30.0M
$237.2M
Q3 24
$51.1M
$237.1M
Q2 24
$106.8M
$233.3M
Q1 24
$135.8M
$125.4M
Stockholders' Equity
NRGV
NRGV
RXST
RXST
Q4 25
$275.7M
Q3 25
$80.5M
$276.0M
Q2 25
$90.3M
$278.0M
Q1 25
$114.9M
$279.3M
Q4 24
$126.3M
$281.2M
Q3 24
$179.1M
$277.3M
Q2 24
$195.6M
$275.2M
Q1 24
$212.3M
$163.9M
Total Assets
NRGV
NRGV
RXST
RXST
Q4 25
$311.8M
Q3 25
$281.9M
$308.5M
Q2 25
$248.8M
$309.0M
Q1 25
$217.4M
$313.0M
Q4 24
$183.9M
$318.6M
Q3 24
$252.9M
$310.5M
Q2 24
$255.6M
$305.5M
Q1 24
$285.9M
$183.2M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
NRGV
NRGV
RXST
RXST
Operating Cash FlowLast quarter
$-11.7M
$-1.1M
Free Cash FlowOCF − Capex
$-27.2M
$-2.3M
FCF MarginFCF / Revenue
-81.5%
-6.9%
Capex IntensityCapex / Revenue
46.4%
3.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-75.1M
$-19.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NRGV
NRGV
RXST
RXST
Q4 25
$-1.1M
Q3 25
$-11.7M
$-1.2M
Q2 25
$15.4M
$-4.4M
Q1 25
$-2.7M
$-8.8M
Q4 24
$-34.8M
$-4.3M
Q3 24
$-9.2M
$650.0K
Q2 24
$-12.8M
$-4.0M
Q1 24
$947.0K
$-9.3M
Free Cash Flow
NRGV
NRGV
RXST
RXST
Q4 25
$-2.3M
Q3 25
$-27.2M
$-1.8M
Q2 25
$6.9M
$-5.9M
Q1 25
$-9.5M
$-9.4M
Q4 24
$-45.4M
$-5.1M
Q3 24
$-36.4M
$-453.0K
Q2 24
$-25.1M
$-5.5M
Q1 24
$-7.8M
$-11.3M
FCF Margin
NRGV
NRGV
RXST
RXST
Q4 25
-6.9%
Q3 25
-81.5%
-5.8%
Q2 25
81.6%
-17.6%
Q1 25
-111.5%
-24.8%
Q4 24
-135.5%
-12.7%
Q3 24
-3039.9%
-1.3%
Q2 24
-665.1%
-15.9%
Q1 24
-100.8%
-38.2%
Capex Intensity
NRGV
NRGV
RXST
RXST
Q4 25
3.5%
Q3 25
46.4%
1.9%
Q2 25
98.8%
4.6%
Q1 25
79.5%
1.5%
Q4 24
31.5%
2.1%
Q3 24
2273.1%
3.1%
Q2 24
325.8%
4.4%
Q1 24
113.0%
6.7%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

NRGV
NRGV

Segment breakdown not available.

RXST
RXST

Rxlal$28.2M86%
LDD$3.0M9%
Service Warranty Service Contracts And Accessories$1.5M4%

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