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Side-by-side financial comparison of InterDigital, Inc. (IDCC) and PLUG POWER INC (PLUG). Click either name above to swap in a different company.

PLUG POWER INC is the larger business by last-quarter revenue ($225.2M vs $158.2M, roughly 1.4× InterDigital, Inc.). InterDigital, Inc. runs the higher net margin — 27.2% vs -375.6%, a 402.8% gap on every dollar of revenue. On growth, PLUG POWER INC posted the faster year-over-year revenue change (17.6% vs -37.4%). InterDigital, Inc. produced more free cash flow last quarter ($528.6M vs $-153.0M). Over the past eight quarters, PLUG POWER INC's revenue compounded faster (36.8% CAGR vs -22.5%).

InterDigital, Inc. is an American technology research and development company that provides wireless and video technologies for mobile devices, networks, and services worldwide. Founded in 1972, InterDigital is listed on the Nasdaq and is included in the S&P 600 index.

Plug Power Inc. is an American company engaged in the development of hydrogen fuel cell and electrolyzer systems that replace conventional batteries in equipment and vehicles powered by electricity. The company is headquartered in Slingerlands, New York, and has facilities in Spokane, Washington, and Rochester, New York.

IDCC vs PLUG — Head-to-Head

Bigger by revenue
PLUG
PLUG
1.4× larger
PLUG
$225.2M
$158.2M
IDCC
Growing faster (revenue YoY)
PLUG
PLUG
+55.0% gap
PLUG
17.6%
-37.4%
IDCC
Higher net margin
IDCC
IDCC
402.8% more per $
IDCC
27.2%
-375.6%
PLUG
More free cash flow
IDCC
IDCC
$681.6M more FCF
IDCC
$528.6M
$-153.0M
PLUG
Faster 2-yr revenue CAGR
PLUG
PLUG
Annualised
PLUG
36.8%
-22.5%
IDCC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IDCC
IDCC
PLUG
PLUG
Revenue
$158.2M
$225.2M
Net Profit
$43.0M
$-846.0M
Gross Margin
2.4%
Operating Margin
30.2%
-338.9%
Net Margin
27.2%
-375.6%
Revenue YoY
-37.4%
17.6%
Net Profit YoY
-67.7%
36.7%
EPS (diluted)
$1.07
$-0.70

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
IDCC
IDCC
PLUG
PLUG
Q4 25
$158.2M
$225.2M
Q3 25
$164.7M
$177.1M
Q2 25
$300.6M
$174.0M
Q1 25
$210.5M
$133.7M
Q4 24
$252.8M
$191.5M
Q3 24
$128.7M
$173.7M
Q2 24
$223.5M
$143.3M
Q1 24
$263.5M
$120.3M
Net Profit
IDCC
IDCC
PLUG
PLUG
Q4 25
$43.0M
$-846.0M
Q3 25
$67.5M
$-361.9M
Q2 25
$180.6M
$-227.1M
Q1 25
$115.6M
$-196.7M
Q4 24
$133.1M
$-1.3B
Q3 24
$34.2M
$-211.2M
Q2 24
$109.7M
$-262.3M
Q1 24
$81.7M
$-295.8M
Gross Margin
IDCC
IDCC
PLUG
PLUG
Q4 25
2.4%
Q3 25
-67.9%
Q2 25
-30.7%
Q1 25
-55.3%
Q4 24
-122.5%
Q3 24
-57.6%
Q2 24
-91.6%
Q1 24
-132.3%
Operating Margin
IDCC
IDCC
PLUG
PLUG
Q4 25
30.2%
-338.9%
Q3 25
46.0%
-197.0%
Q2 25
68.3%
-101.7%
Q1 25
62.6%
-133.5%
Q4 24
64.3%
-678.7%
Q3 24
30.6%
-124.4%
Q2 24
59.9%
-170.7%
Q1 24
39.4%
-215.7%
Net Margin
IDCC
IDCC
PLUG
PLUG
Q4 25
27.2%
-375.6%
Q3 25
41.0%
-204.4%
Q2 25
60.1%
-130.5%
Q1 25
54.9%
-147.1%
Q4 24
52.7%
-697.5%
Q3 24
26.6%
-121.5%
Q2 24
49.1%
-183.0%
Q1 24
31.0%
-245.9%
EPS (diluted)
IDCC
IDCC
PLUG
PLUG
Q4 25
$1.07
$-0.70
Q3 25
$1.93
$-0.31
Q2 25
$5.35
$-0.20
Q1 25
$3.45
$-0.21
Q4 24
$4.12
$-1.61
Q3 24
$1.14
$-0.25
Q2 24
$3.93
$-0.36
Q1 24
$2.88
$-0.46

Balance Sheet & Financial Strength

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

Metric
IDCC
IDCC
PLUG
PLUG
Cash + ST InvestmentsLiquidity on hand
$1.2B
$368.5M
Total DebtLower is stronger
$16.3M
Stockholders' EquityBook value
$1.1B
$978.1M
Total Assets
$2.1B
$2.6B
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IDCC
IDCC
PLUG
PLUG
Q4 25
$1.2B
$368.5M
Q3 25
$1.3B
$165.9M
Q2 25
$937.0M
$140.7M
Q1 25
$883.3M
$295.8M
Q4 24
$958.2M
$205.7M
Q3 24
$813.2M
$93.9M
Q2 24
$760.3M
$62.4M
Q1 24
$984.6M
$172.9M
Total Debt
IDCC
IDCC
PLUG
PLUG
Q4 25
$16.3M
Q3 25
$17.1M
Q2 25
$16.6M
Q1 25
$16.0M
Q4 24
$15.4M
Q3 24
$18.3M
$3.9M
Q2 24
$17.7M
$3.7M
Q1 24
$28.0M
$3.8M
Stockholders' Equity
IDCC
IDCC
PLUG
PLUG
Q4 25
$1.1B
$978.1M
Q3 25
$1.1B
$1.4B
Q2 25
$1.1B
$1.7B
Q1 25
$936.9M
$1.9B
Q4 24
$857.2M
$1.7B
Q3 24
$722.5M
$3.0B
Q2 24
$696.8M
$3.0B
Q1 24
$624.3M
$2.9B
Total Assets
IDCC
IDCC
PLUG
PLUG
Q4 25
$2.1B
$2.6B
Q3 25
$2.1B
$3.1B
Q2 25
$2.0B
$3.4B
Q1 25
$1.9B
$3.6B
Q4 24
$1.8B
$3.6B
Q3 24
$1.7B
$4.7B
Q2 24
$1.6B
$4.8B
Q1 24
$1.8B
$4.8B
Debt / Equity
IDCC
IDCC
PLUG
PLUG
Q4 25
0.01×
Q3 25
0.02×
Q2 25
0.02×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.03×
0.00×
Q2 24
0.03×
0.00×
Q1 24
0.04×
0.00×

Cash Flow & Capital Efficiency

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

Metric
IDCC
IDCC
PLUG
PLUG
Operating Cash FlowLast quarter
$544.5M
$-148.6M
Free Cash FlowOCF − Capex
$528.6M
$-153.0M
FCF MarginFCF / Revenue
334.0%
-67.9%
Capex IntensityCapex / Revenue
10.0%
1.9%
Cash ConversionOCF / Net Profit
12.67×
TTM Free Cash FlowTrailing 4 quarters
$994.0M
$-647.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IDCC
IDCC
PLUG
PLUG
Q4 25
$544.5M
$-148.6M
Q3 25
$395.9M
$-89.8M
Q2 25
$105.1M
$-191.8M
Q1 25
$-20.0M
$-105.6M
Q4 24
$271.5M
$-131.2M
Q3 24
$77.6M
$-174.9M
Q2 24
$-48.9M
$-254.7M
Q1 24
$50.8M
$-167.7M
Free Cash Flow
IDCC
IDCC
PLUG
PLUG
Q4 25
$528.6M
$-153.0M
Q3 25
$395.3M
$-117.5M
Q2 25
$104.5M
$-230.4M
Q1 25
$-34.5M
$-146.0M
Q4 24
$265.7M
$-165.2M
Q3 24
$76.7M
$-234.2M
Q2 24
$-49.5M
$-356.0M
Q1 24
$50.3M
$-260.3M
FCF Margin
IDCC
IDCC
PLUG
PLUG
Q4 25
334.0%
-67.9%
Q3 25
240.1%
-66.4%
Q2 25
34.8%
-132.5%
Q1 25
-16.4%
-109.2%
Q4 24
105.1%
-86.3%
Q3 24
59.6%
-134.8%
Q2 24
-22.1%
-248.4%
Q1 24
19.1%
-216.5%
Capex Intensity
IDCC
IDCC
PLUG
PLUG
Q4 25
10.0%
1.9%
Q3 25
0.4%
15.6%
Q2 25
0.2%
22.2%
Q1 25
6.9%
30.3%
Q4 24
2.3%
17.7%
Q3 24
0.7%
34.1%
Q2 24
0.3%
70.7%
Q1 24
0.2%
77.0%
Cash Conversion
IDCC
IDCC
PLUG
PLUG
Q4 25
12.67×
Q3 25
5.87×
Q2 25
0.58×
Q1 25
-0.17×
Q4 24
2.04×
Q3 24
2.27×
Q2 24
-0.45×
Q1 24
0.62×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IDCC
IDCC

Segment breakdown not available.

PLUG
PLUG

Sales Of Equipment And Related Infrastructure$111.6M50%
Services Performed On Fuel Cell Systems And Related Infrastructure$41.5M18%
Power Purchase Agreements$36.1M16%
Sale Of Cryogenic Equipment$20.0M9%
Sales Of Fuel Cell Systems$11.2M5%
Other$4.8M2%

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