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Side-by-side financial comparison of PLUG POWER INC (PLUG) and ZIFF DAVIS, INC. (ZD). Click either name above to swap in a different company.
ZIFF DAVIS, INC. is the larger business by last-quarter revenue ($406.7M vs $225.2M, roughly 1.8× PLUG POWER INC). ZIFF DAVIS, INC. runs the higher net margin — 0.1% vs -375.6%, a 375.7% gap on every dollar of revenue. On growth, PLUG POWER INC posted the faster year-over-year revenue change (17.6% vs -1.5%). ZIFF DAVIS, INC. produced more free cash flow last quarter ($157.8M vs $-153.0M). Over the past eight quarters, PLUG POWER INC's revenue compounded faster (36.8% CAGR vs 13.7%).
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.
Ziff Davis, Inc. is an American digital media and Internet company. Founded in 1927 by William Bernard Ziff Sr. and Bernard George Davis, the company primarily owns technology- and health-oriented media websites, online shopping-related services, Internet connectivity services, gaming and entertainment brands, and cybersecurity and martech tools. Previously, the company was predominantly a publisher of hobbyist magazines.
PLUG vs ZD — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $225.2M | $406.7M |
| Net Profit | $-846.0M | $370.0K |
| Gross Margin | 2.4% | 85.9% |
| Operating Margin | -338.9% | 21.2% |
| Net Margin | -375.6% | 0.1% |
| Revenue YoY | 17.6% | -1.5% |
| Net Profit YoY | 36.7% | -99.4% |
| EPS (diluted) | $-0.70 | $0.06 |
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.
| Q4 25 | $225.2M | $406.7M | ||
| Q3 25 | $177.1M | $363.7M | ||
| Q2 25 | $174.0M | $352.2M | ||
| Q1 25 | $133.7M | $328.6M | ||
| Q4 24 | $191.5M | $412.8M | ||
| Q3 24 | $173.7M | $353.6M | ||
| Q2 24 | $143.3M | $320.8M | ||
| Q1 24 | $120.3M | $314.5M |
| Q4 25 | $-846.0M | $370.0K | ||
| Q3 25 | $-361.9M | $-3.6M | ||
| Q2 25 | $-227.1M | $26.3M | ||
| Q1 25 | $-196.7M | $24.2M | ||
| Q4 24 | $-1.3B | $64.1M | ||
| Q3 24 | $-211.2M | $-48.6M | ||
| Q2 24 | $-262.3M | $36.9M | ||
| Q1 24 | $-295.8M | $10.6M |
| Q4 25 | 2.4% | 85.9% | ||
| Q3 25 | -67.9% | 85.4% | ||
| Q2 25 | -30.7% | 86.1% | ||
| Q1 25 | -55.3% | 85.6% | ||
| Q4 24 | -122.5% | 87.1% | ||
| Q3 24 | -57.6% | 85.5% | ||
| Q2 24 | -91.6% | 84.4% | ||
| Q1 24 | -132.3% | 85.4% |
| Q4 25 | -338.9% | 21.2% | ||
| Q3 25 | -197.0% | 7.8% | ||
| Q2 25 | -101.7% | 9.5% | ||
| Q1 25 | -133.5% | 10.7% | ||
| Q4 24 | -678.7% | 19.0% | ||
| Q3 24 | -124.4% | -8.3% | ||
| Q2 24 | -170.7% | 8.9% | ||
| Q1 24 | -215.7% | 11.4% |
| Q4 25 | -375.6% | 0.1% | ||
| Q3 25 | -204.4% | -1.0% | ||
| Q2 25 | -130.5% | 7.5% | ||
| Q1 25 | -147.1% | 7.4% | ||
| Q4 24 | -697.5% | 15.5% | ||
| Q3 24 | -121.5% | -13.7% | ||
| Q2 24 | -183.0% | 11.5% | ||
| Q1 24 | -245.9% | 3.4% |
| Q4 25 | $-0.70 | $0.06 | ||
| Q3 25 | $-0.31 | $-0.09 | ||
| Q2 25 | $-0.20 | $0.62 | ||
| Q1 25 | $-0.21 | $0.56 | ||
| Q4 24 | $-1.61 | $1.53 | ||
| Q3 24 | $-0.25 | $-1.11 | ||
| Q2 24 | $-0.36 | $0.77 | ||
| Q1 24 | $-0.46 | $0.23 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $368.5M | $607.0M |
| Total DebtLower is stronger | — | $866.5M |
| Stockholders' EquityBook value | $978.1M | $1.8B |
| Total Assets | $2.6B | $3.7B |
| Debt / EquityLower = less leverage | — | 0.49× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $368.5M | $607.0M | ||
| Q3 25 | $165.9M | $503.4M | ||
| Q2 25 | $140.7M | $457.3M | ||
| Q1 25 | $295.8M | $431.0M | ||
| Q4 24 | $205.7M | $505.9M | ||
| Q3 24 | $93.9M | $386.1M | ||
| Q2 24 | $62.4M | $687.2M | ||
| Q1 24 | $172.9M | $751.2M |
| Q4 25 | — | $866.5M | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | $864.3M | ||
| Q3 24 | $3.9M | — | ||
| Q2 24 | $3.7M | — | ||
| Q1 24 | $3.8M | — |
| Q4 25 | $978.1M | $1.8B | ||
| Q3 25 | $1.4B | $1.8B | ||
| Q2 25 | $1.7B | $1.8B | ||
| Q1 25 | $1.9B | $1.8B | ||
| Q4 24 | $1.7B | $1.8B | ||
| Q3 24 | $3.0B | $1.8B | ||
| Q2 24 | $3.0B | $1.9B | ||
| Q1 24 | $2.9B | $1.9B |
| Q4 25 | $2.6B | $3.7B | ||
| Q3 25 | $3.1B | $3.5B | ||
| Q2 25 | $3.4B | $3.5B | ||
| Q1 25 | $3.6B | $3.5B | ||
| Q4 24 | $3.6B | $3.7B | ||
| Q3 24 | $4.7B | $3.4B | ||
| Q2 24 | $4.8B | $3.7B | ||
| Q1 24 | $4.8B | $3.7B |
| Q4 25 | — | 0.49× | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | 0.48× | ||
| Q3 24 | 0.00× | — | ||
| Q2 24 | 0.00× | — | ||
| Q1 24 | 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 | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-148.6M | $191.1M |
| Free Cash FlowOCF − Capex | $-153.0M | $157.8M |
| FCF MarginFCF / Revenue | -67.9% | 38.8% |
| Capex IntensityCapex / Revenue | 1.9% | 8.2% |
| Cash ConversionOCF / Net Profit | — | 516.44× |
| TTM Free Cash FlowTrailing 4 quarters | $-647.0M | $287.9M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-148.6M | $191.1M | ||
| Q3 25 | $-89.8M | $138.3M | ||
| Q2 25 | $-191.8M | $57.1M | ||
| Q1 25 | $-105.6M | $20.6M | ||
| Q4 24 | $-131.2M | $158.2M | ||
| Q3 24 | $-174.9M | $106.0M | ||
| Q2 24 | $-254.7M | $50.6M | ||
| Q1 24 | $-167.7M | $75.6M |
| Q4 25 | $-153.0M | $157.8M | ||
| Q3 25 | $-117.5M | $108.2M | ||
| Q2 25 | $-230.4M | $26.9M | ||
| Q1 25 | $-146.0M | $-5.0M | ||
| Q4 24 | $-165.2M | $131.1M | ||
| Q3 24 | $-234.2M | $80.1M | ||
| Q2 24 | $-356.0M | $25.1M | ||
| Q1 24 | $-260.3M | $47.4M |
| Q4 25 | -67.9% | 38.8% | ||
| Q3 25 | -66.4% | 29.7% | ||
| Q2 25 | -132.5% | 7.6% | ||
| Q1 25 | -109.2% | -1.5% | ||
| Q4 24 | -86.3% | 31.8% | ||
| Q3 24 | -134.8% | 22.7% | ||
| Q2 24 | -248.4% | 7.8% | ||
| Q1 24 | -216.5% | 15.1% |
| Q4 25 | 1.9% | 8.2% | ||
| Q3 25 | 15.6% | 8.3% | ||
| Q2 25 | 22.2% | 8.6% | ||
| Q1 25 | 30.3% | 7.8% | ||
| Q4 24 | 17.7% | 6.6% | ||
| Q3 24 | 34.1% | 7.3% | ||
| Q2 24 | 70.7% | 8.0% | ||
| Q1 24 | 77.0% | 8.9% |
| Q4 25 | — | 516.44× | ||
| Q3 25 | — | — | ||
| Q2 25 | — | 2.17× | ||
| Q1 25 | — | 0.85× | ||
| Q4 24 | — | 2.47× | ||
| Q3 24 | — | — | ||
| Q2 24 | — | 1.37× | ||
| Q1 24 | — | 7.11× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
PLUG
| Sales Of Equipment And Related Infrastructure | $111.6M | 50% |
| Services Performed On Fuel Cell Systems And Related Infrastructure | $41.5M | 18% |
| Power Purchase Agreements | $36.1M | 16% |
| Sale Of Cryogenic Equipment | $20.0M | 9% |
| Sales Of Fuel Cell Systems | $11.2M | 5% |
| Other | $4.8M | 2% |
ZD
| Health And Wellness | $114.8M | 28% |
| Technology And Shopping | $108.9M | 27% |
| Cybersecurity And Martech Segment | $70.9M | 17% |
| Connectivity | $60.3M | 15% |
| Gaming And Entertainment | $51.7M | 13% |
| Subscription And Licensing | $2.9M | 1% |
