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

Energy Vault Holdings, Inc. is the larger business by last-quarter revenue ($21.9M vs $14.5M, roughly 1.5× SS Innovations International, Inc.). SS Innovations International, Inc. runs the higher net margin — -17.0% vs -148.5%, a 131.5% gap on every dollar of revenue. On growth, Energy Vault Holdings, Inc. posted the faster year-over-year revenue change (156.4% vs 79.1%). Over the past eight quarters, SS Innovations International, Inc.'s revenue compounded faster (99.9% CAGR vs 67.9%).

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.

SS Innovations International, Inc. is a global medical technology enterprise specializing in the research, development and manufacturing of innovative surgical robotic systems. It provides high-precision, accessible robotic platforms for minimally invasive surgery, catering to healthcare facilities across multiple regions to boost surgical outcomes and cut procedural burdens.

NRGV vs SSII — Head-to-Head

Bigger by revenue
NRGV
NRGV
1.5× larger
NRGV
$21.9M
$14.5M
SSII
Growing faster (revenue YoY)
NRGV
NRGV
+77.3% gap
NRGV
156.4%
79.1%
SSII
Higher net margin
SSII
SSII
131.5% more per $
SSII
-17.0%
-148.5%
NRGV
Faster 2-yr revenue CAGR
SSII
SSII
Annualised
SSII
99.9%
67.9%
NRGV

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
NRGV
NRGV
SSII
SSII
Revenue
$21.9M
$14.5M
Net Profit
$-32.5M
$-2.5M
Gross Margin
21.9%
43.9%
Operating Margin
-32.5%
-3.7%
Net Margin
-148.5%
-17.0%
Revenue YoY
156.4%
79.1%
Net Profit YoY
-53.7%
-28.5%
EPS (diluted)
$-0.20
$-0.01

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
SSII
SSII
Q1 26
$21.9M
Q4 25
$14.5M
Q3 25
$33.3M
$12.8M
Q2 25
$8.5M
$10.0M
Q1 25
$8.5M
$5.1M
Q4 24
$33.5M
$8.1M
Q3 24
$1.2M
$4.4M
Q2 24
$3.8M
$4.5M
Net Profit
NRGV
NRGV
SSII
SSII
Q1 26
$-32.5M
Q4 25
$-2.5M
Q3 25
$-26.8M
$-3.7M
Q2 25
$-34.9M
$-256.7K
Q1 25
$-21.1M
$-5.7M
Q4 24
$-61.8M
$-1.9M
Q3 24
$-26.6M
$-3.2M
Q2 24
$-26.2M
$-4.1M
Gross Margin
NRGV
NRGV
SSII
SSII
Q1 26
21.9%
Q4 25
43.9%
Q3 25
27.0%
48.1%
Q2 25
29.6%
59.1%
Q1 25
57.1%
21.2%
Q4 24
7.7%
48.9%
Q3 24
40.3%
52.8%
Q2 24
27.8%
31.9%
Operating Margin
NRGV
NRGV
SSII
SSII
Q1 26
-32.5%
Q4 25
-3.7%
Q3 25
-52.8%
-14.3%
Q2 25
-330.7%
1.0%
Q1 25
-244.8%
-115.6%
Q4 24
-150.6%
-22.7%
Q3 24
-2258.1%
-73.1%
Q2 24
-739.7%
-90.9%
Net Margin
NRGV
NRGV
SSII
SSII
Q1 26
-148.5%
Q4 25
-17.0%
Q3 25
-80.5%
-29.0%
Q2 25
-410.3%
-2.6%
Q1 25
-247.7%
-111.0%
Q4 24
-184.7%
-23.7%
Q3 24
-2217.9%
-74.0%
Q2 24
-694.6%
-91.8%
EPS (diluted)
NRGV
NRGV
SSII
SSII
Q1 26
$-0.20
Q4 25
$-0.01
Q3 25
$-0.16
$-0.02
Q2 25
$-0.22
$0.00
Q1 25
$-0.14
$-0.03
Q4 24
$-0.41
$-0.01
Q3 24
$-0.18
$-0.02
Q2 24
$-0.18
$-0.02

Balance Sheet & Financial Strength

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

Metric
NRGV
NRGV
SSII
SSII
Cash + ST InvestmentsLiquidity on hand
$55.2M
$3.2M
Total DebtLower is stronger
$160.6M
Stockholders' EquityBook value
$30.5M
$38.2M
Total Assets
$298.0M
$74.2M
Debt / EquityLower = less leverage
5.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NRGV
NRGV
SSII
SSII
Q1 26
$55.2M
Q4 25
$3.2M
Q3 25
$32.7M
$5.7M
Q2 25
$22.3M
$11.4M
Q1 25
$21.2M
$15.9M
Q4 24
$30.0M
$466.5K
Q3 24
$51.1M
$220.4K
Q2 24
$106.8M
$608.2K
Total Debt
NRGV
NRGV
SSII
SSII
Q1 26
$160.6M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
NRGV
NRGV
SSII
SSII
Q1 26
$30.5M
Q4 25
$38.2M
Q3 25
$80.5M
$39.6M
Q2 25
$90.3M
$42.0M
Q1 25
$114.9M
$40.6M
Q4 24
$126.3M
$13.5M
Q3 24
$179.1M
$13.7M
Q2 24
$195.6M
$14.8M
Total Assets
NRGV
NRGV
SSII
SSII
Q1 26
$298.0M
Q4 25
$74.2M
Q3 25
$281.9M
$69.6M
Q2 25
$248.8M
$70.0M
Q1 25
$217.4M
$63.5M
Q4 24
$183.9M
$42.4M
Q3 24
$252.9M
$39.0M
Q2 24
$255.6M
$35.7M
Debt / Equity
NRGV
NRGV
SSII
SSII
Q1 26
5.27×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

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
SSII
SSII
Operating Cash FlowLast quarter
$-53.8M
$-1.5M
Free Cash FlowOCF − Capex
$-3.2M
FCF MarginFCF / Revenue
-22.3%
Capex IntensityCapex / Revenue
11.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-22.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NRGV
NRGV
SSII
SSII
Q1 26
$-53.8M
Q4 25
$-1.5M
Q3 25
$-11.7M
$-7.5M
Q2 25
$15.4M
$-3.5M
Q1 25
$-2.7M
$-6.1M
Q4 24
$-34.8M
$-3.3M
Q3 24
$-9.2M
$-2.5M
Q2 24
$-12.8M
$-1.0M
Free Cash Flow
NRGV
NRGV
SSII
SSII
Q1 26
Q4 25
$-3.2M
Q3 25
$-27.2M
$-8.2M
Q2 25
$6.9M
$-3.8M
Q1 25
$-9.5M
$-7.0M
Q4 24
$-45.4M
$-3.4M
Q3 24
$-36.4M
$-4.2M
Q2 24
$-25.1M
$-3.1M
FCF Margin
NRGV
NRGV
SSII
SSII
Q1 26
Q4 25
-22.3%
Q3 25
-81.5%
-64.1%
Q2 25
81.6%
-37.7%
Q1 25
-111.5%
-136.2%
Q4 24
-135.5%
-41.7%
Q3 24
-3039.9%
-96.9%
Q2 24
-665.1%
-69.5%
Capex Intensity
NRGV
NRGV
SSII
SSII
Q1 26
Q4 25
11.8%
Q3 25
46.4%
5.9%
Q2 25
98.8%
3.2%
Q1 25
79.5%
17.0%
Q4 24
31.5%
1.5%
Q3 24
2273.1%
38.8%
Q2 24
325.8%
46.8%

Financial Flow Comparison

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

Revenue Breakdown by Segment

NRGV
NRGV

Segment breakdown not available.

SSII
SSII

System Sales$13.4M92%
Other$1.2M8%

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