AIRJ
AirJoule Technologies Corporation
Electrical Equipment & Parts
Market Cap$215M
5Y Perf.-63.7%
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Stock Comparison
AIRJ vs GREE vs CLSK vs MARA
Revenue, margins, valuation, and 5-year total return — side by side.
GREE
Greenidge Generation Holdings Inc.
Financial - Capital Markets
Market Cap$19M
5Y Perf.-98.7%
CLSK
CleanSpark, Inc.
Software - Application
Market Cap$3.63B
5Y Perf.+34.0%
MARA
Marathon Digital Holdings, Inc.
Financial - Capital Markets
Market Cap$4.92B
5Y Perf.-49.0%
AIRJ vs GREE vs CLSK vs MARA — Key Financials
Market cap, revenue, margins, and valuation side-by-side.
| Company Snapshot | AIRJ | GREE | CLSK | MARA |
|---|---|---|---|---|
| Industry | Electrical Equipment & Parts | Financial - Capital Markets | Software - Application | Financial - Capital Markets |
| Market Cap | $215M | $19M | $3.63B | $4.92B |
| Revenue (TTM) | $0.00 | $60M | $785M | $907M |
| Net Income (TTM) | $-927K | $-2M | $-261M | $-1.31B |
| Gross Margin | — | 79.7% | 41.4% | -47.7% |
| Operating Margin | — | -19.2% | -26.4% | -90.6% |
| Forward P/E | 0.9x | — | 12.7x | — |
| Total Debt | $154K | $68M | $824M | $3.65B |
| Cash & Equiv. | $28M | $9M | $43M | $547M |
AIRJ vs GREE vs CLSK vs MARA — Long-Term Stock Performance
Price return indexed to 100 at period start. Dividends excluded.
AIRJ
GREE
CLSK
MARA
| Stock | Feb 22 | May 26 | Return |
|---|---|---|---|
| AirJoule Technologi… (AIRJ) | 100 | 36.3 | -63.7% |
| Greenidge Generatio… (GREE) | 100 | 1.3 | -98.7% |
| CleanSpark, Inc. (CLSK) | 100 | 134.0 | +34.0% |
| Marathon Digital Ho… (MARA) | 100 | 51.0 | -49.0% |
Price return only. Dividends and distributions are not included.
Quick Verdict: AIRJ vs GREE vs CLSK vs MARA
Each card shows where this stock fits in a portfolio — not just who wins on paper.
Bottom line: AIRJ leads in 4 of 7 categories, making it the strongest pick for valuation and capital efficiency and profitability and margin quality. CleanSpark, Inc. is the stronger pick specifically for growth and revenue expansion and dividend income and shareholder returns. This set spans 3 sectors — these stocks serve different portfolio roles, not just different price points.
AIRJ
AirJoule Technologies Corporation
The Income Pick
AIRJ carries the broadest edge in this set and is the clearest fit for income & stability and sleep-well-at-night.
- beta 1.75
- Lower volatility, beta 1.75, Low D/E 0.1%, current ratio 7.83x
- Beta 1.75, current ratio 7.83x
- Better valuation composite
Best for: income & stability and sleep-well-at-night
GREE
Greenidge Generation Holdings Inc.
The Financial Play
GREE plays a supporting role in this comparison — it may shine differently against other peers.
Best for: financial services exposure
CLSK
CleanSpark, Inc.
The Growth Play
CLSK is the #2 pick in this set and the best alternative if growth exposure is your priority.
- Rev growth 102.2%, EPS growth 262.3%, 3Y rev CAGR 79.9%
- 102.2% revenue growth vs AIRJ's -100.4%
- 0.2% yield; 2-year raise streak; the other 3 pay no meaningful dividend
- +63.6% vs AIRJ's -23.7%
Best for: growth exposure
MARA
Marathon Digital Holdings, Inc.
The Banking Pick
MARA is the clearest fit if your priority is long-term compounding.
- -50.7% 10Y total return vs GREE's -62.9%
Best for: long-term compounding
See the full category breakdown
| Category | Winner | Why |
|---|---|---|
| Growth | CLSK | 102.2% revenue growth vs AIRJ's -100.4% |
| Value | AIRJ | Better valuation composite |
| Quality / Margins | AIRJ | 0.3% margin vs MARA's -144.6% |
| Stability / Safety | AIRJ | Beta 1.75 vs CLSK's 3.41, lower leverage |
| Dividends | CLSK | 0.2% yield; 2-year raise streak; the other 3 pay no meaningful dividend |
| Momentum (1Y) | CLSK | +63.6% vs AIRJ's -23.7% |
| Efficiency (ROA) | AIRJ | -0.2% ROA vs MARA's -17.1%, ROIC -45.3% vs -9.0% |
AIRJ vs GREE vs CLSK vs MARA — Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
Segment breakdown not available.
FY 2024
FY 2021
FY 2025
AIRJ vs GREE vs CLSK vs MARA — Financial Metrics
Side-by-side numbers across 4 stocks — who leads on profitability, valuation, growth, and risk.
BEST OVERALLAIRJLAGGINGMARA
Who Leads Where
GREE leads in 1 of 6 categories
AIRJ leads 1 • CLSK leads 1 • MARA leads 0 • 2 tied
Explore the data ↓MARAMarathon Digital Hold…
0leads
CLSKCleanSpark, Inc.
1leads
GREEGreenidge Generation …
1leads
AIRJAirJoule Technologies…
1leads
6 Total Categories
CATEGORYLEADERvs GREEvs CLSKMETRICS WON
Income & Cash FlowRevenue, margins, and cash flow strength
GREE4/5
Valuation MetricsMultiples, price ratios, and targets
Tied
—
Profitability & EfficiencyROE, ROIC, leverage, and quality scores
AIRJ5/9
Total Returns1Y, 3Y, 5Y total returns with dividends
CLSK4/6
Risk & VolatilityBeta, volatility, and downside exposure
Tied
—
Analyst OutlookRatings, price targets, and dividends
—
—
Income & Cash Flow (Last 12 Months)
GREE leads this category, winning 4 of 5 comparable metrics.
Income & Cash Flow (Last 12 Months)
MARA and AIRJ operate at a comparable scale, with $907M and $0 in trailing revenue. GREE is the more profitable business, keeping -33.2% of every revenue dollar as net income compared to MARA's -144.6%.
| Metric | AIRJAirJoule Technolo… | GREEGreenidge Generat… | CLSKCleanSpark, Inc. | MARAMarathon Digital … |
|---|---|---|---|---|
| RevenueTrailing 12 months | $0 | $60M | $785M | $907M |
| EBITDAEarnings before interest/tax | -$13M | $4M | $181M | $627M |
| Net IncomeAfter-tax profit | -$926,770 | -$2M | -$261M | -$1.3B |
| Free Cash FlowCash after capex | -$7M | -$20M | -$1.0B | -$312M |
| Gross MarginGross profit ÷ Revenue | — | +79.7% | +41.4% | -47.7% |
| Operating MarginEBIT ÷ Revenue | — | -19.2% | -26.4% | -90.6% |
| Net MarginNet income ÷ Revenue | — | -33.2% | -33.2% | -144.6% |
| FCF MarginFCF ÷ Revenue | — | -37.7% | -133.1% | -34.4% |
| Rev. Growth (YoY)Latest quarter vs prior year | — | — | +11.6% | — |
| EPS Growth (YoY)Latest quarter vs prior year | -110.9% | +2.3% | -2.6% | -4.8% |
GREE leads this category, winning 4 of 5 comparable metrics.
Valuation Metrics
Evenly matched — AIRJ and GREE and CLSK and MARA each lead in 1 of 4 comparable metrics.
Valuation Metrics
At 0.9x trailing earnings, AIRJ trades at a 93% valuation discount to CLSK's 12.7x P/E. On an enterprise value basis, CLSK's 6.6x EV/EBITDA is more attractive than GREE's 38.8x.
| Metric | AIRJAirJoule Technolo… | GREEGreenidge Generat… | CLSKCleanSpark, Inc. | MARAMarathon Digital … |
|---|---|---|---|---|
| Market CapShares × price | $215M | $19M | $3.6B | $4.9B |
| Enterprise ValueMkt cap + debt − cash | $187M | $78M | $4.4B | $8.0B |
| Trailing P/EPrice ÷ TTM EPS | 0.88x | -0.64x | 12.68x | -3.51x |
| Forward P/EPrice ÷ next-FY EPS est. | — | — | — | — |
| PEG RatioP/E ÷ EPS growth rate | — | — | — | — |
| EV / EBITDAEnterprise value multiple | — | 38.78x | 6.61x | — |
| Price / SalesMarket cap ÷ Revenue | — | 0.32x | 4.74x | 5.42x |
| Price / BookPrice ÷ Book value/share | 0.75x | — | 2.07x | 1.32x |
| Price / FCFMarket cap ÷ FCF | — | — | — | — |
Evenly matched — AIRJ and GREE and CLSK and MARA each lead in 1 of 4 comparable metrics.
Profitability & Efficiency
AIRJ leads this category, winning 5 of 9 comparable metrics.
Profitability & Efficiency
AIRJ delivers a -0.3% return on equity — every $100 of shareholder capital generates $-0 in annual profit, vs $-31 for MARA. AIRJ carries lower financial leverage with a 0.00x debt-to-equity ratio, signaling a more conservative balance sheet compared to MARA's 1.05x. On the Piotroski fundamental quality scale (0–9), CLSK scores 5/9 vs MARA's 3/9, reflecting solid financial health.
| Metric | AIRJAirJoule Technolo… | GREEGreenidge Generat… | CLSKCleanSpark, Inc. | MARAMarathon Digital … |
|---|---|---|---|---|
| ROE (TTM)Return on equity | -0.3% | — | -13.7% | -30.5% |
| ROA (TTM)Return on assets | -0.2% | -3.2% | -8.5% | -17.1% |
| ROICReturn on invested capital | -45.3% | -57.2% | +10.3% | -9.0% |
| ROCEReturn on capital employed | -36.6% | -23.9% | +13.7% | -12.1% |
| Piotroski ScoreFundamental quality 0–9 | 4 | 3 | 5 | 3 |
| Debt / EquityFinancial leverage | 0.00x | — | 0.38x | 1.05x |
| Net DebtTotal debt minus cash | -$28M | $59M | $781M | $3.1B |
| Cash & Equiv.Liquid assets | $28M | $9M | $43M | $547M |
| Total DebtShort + long-term debt | $154,229 | $68M | $824M | $3.6B |
| Interest CoverageEBIT ÷ Interest expense | — | 0.70x | -18.49x | 4.73x |
AIRJ leads this category, winning 5 of 9 comparable metrics.
Total Returns (Dividends Reinvested)
CLSK leads this category, winning 4 of 6 comparable metrics.
Total Returns (Dividends Reinvested)
A $10,000 investment in CLSK five years ago would be worth $8,823 today (with dividends reinvested), compared to $85 for GREE. Over the past 12 months, CLSK leads with a +63.6% total return vs AIRJ's -23.7%. The 3-year compound annual growth rate (CAGR) favors CLSK at 49.6% vs GREE's -34.0% — a key indicator of consistent wealth creation.
| Metric | AIRJAirJoule Technolo… | GREEGreenidge Generat… | CLSKCleanSpark, Inc. | MARAMarathon Digital … |
|---|---|---|---|---|
| YTD ReturnYear-to-date | -15.3% | -26.2% | +22.9% | +30.6% |
| 1-Year ReturnPast 12 months | -23.7% | +31.0% | +63.6% | -9.4% |
| 3-Year ReturnCumulative with dividends | -65.6% | -71.2% | +234.9% | +38.7% |
| 5-Year ReturnCumulative with dividends | -64.1% | -99.1% | -11.8% | -53.5% |
| 10-Year ReturnCumulative with dividends | -64.1% | -62.9% | -84.1% | -50.7% |
| CAGR (3Y)Annualised 3-year return | -29.9% | -34.0% | +49.6% | +11.5% |
CLSK leads this category, winning 4 of 6 comparable metrics.
Risk & Volatility
Evenly matched — AIRJ and CLSK each lead in 1 of 2 comparable metrics.
Risk & Volatility
AIRJ is the less volatile stock with a 1.75 beta — it tends to amplify market swings less than CLSK's 3.41 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. CLSK currently trades 60.1% from its 52-week high vs GREE's 50.0% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | AIRJAirJoule Technolo… | GREEGreenidge Generat… | CLSKCleanSpark, Inc. | MARAMarathon Digital … |
|---|---|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 1.75x | 3.37x | 3.41x | 3.10x |
| 52-Week HighHighest price in past year | $6.75 | $2.42 | $23.61 | $23.45 |
| 52-Week LowLowest price in past year | $2.22 | $0.87 | $8.00 | $6.66 |
| % of 52W HighCurrent price vs 52-week peak | +52.6% | +50.0% | +60.1% | +55.2% |
| RSI (14)Momentum oscillator 0–100 | 64.1 | 51.3 | 66.3 | 65.7 |
| Avg Volume (50D)Average daily shares traded | 357K | 138K | 18.9M | 47.5M |
Evenly matched — AIRJ and CLSK each lead in 1 of 2 comparable metrics.
Analyst Outlook
Insufficient data to determine a leader in this category.
Analyst Outlook
Analyst consensus: AIRJ as "Buy", CLSK as "Buy", MARA as "Buy". Consensus price targets imply 97.2% upside for AIRJ (target: $7) vs 24.7% for MARA (target: $16). CLSK is the only dividend payer here at 0.24% yield — a key consideration for income-focused portfolios.
| Metric | AIRJAirJoule Technolo… | GREEGreenidge Generat… | CLSKCleanSpark, Inc. | MARAMarathon Digital … |
|---|---|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | — | Buy | Buy |
| Price TargetConsensus 12-month target | $7.00 | — | $19.42 | $16.13 |
| # AnalystsCovering analysts | 1 | — | 10 | 19 |
| Dividend YieldAnnual dividend ÷ price | — | — | +0.2% | — |
| Dividend StreakConsecutive years of raises | — | — | 2 | — |
| Dividend / ShareAnnual DPS | — | — | $0.03 | — |
| Buyback YieldShare repurchases ÷ mkt cap | 0.0% | 0.0% | +4.0% | +1.0% |
Insufficient data to determine a leader in this category.
Key Takeaway
GREE leads in 1 of 6 categories (Income & Cash Flow). AIRJ leads in 1 (Profitability & Efficiency). 2 tied.
Best OverallAirJoule Technologies Corpo… (AIRJ)Leads 1 of 6 categories
Loading custom metrics...
AIRJ vs GREE vs CLSK vs MARA: Key Questions Answered
9 questions · data-driven answers · updated daily
01Is AIRJ or GREE or CLSK or MARA a better buy right now?
For growth investors, CleanSpark, Inc.
(CLSK) is the stronger pick with 102. 2% revenue growth year-over-year, versus -15. 4% for Greenidge Generation Holdings Inc. (GREE). AirJoule Technologies Corporation (AIRJ) offers the better valuation at 0. 9x trailing P/E, making it the more compelling value choice. Analysts rate AirJoule Technologies Corporation (AIRJ) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which has the better valuation — AIRJ or GREE or CLSK or MARA?
On trailing P/E, AirJoule Technologies Corporation (AIRJ) is the cheapest at 0.
9x versus CleanSpark, Inc. at 12. 7x.
03Which is the better long-term investment — AIRJ or GREE or CLSK or MARA?
Over the past 5 years, CleanSpark, Inc.
(CLSK) delivered a total return of -11. 8%, compared to -99. 1% for Greenidge Generation Holdings Inc. (GREE). Over 10 years, the gap is even starker: MARA returned -50. 7% versus CLSK's -84. 1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
04Which is safer — AIRJ or GREE or CLSK or MARA?
By beta (market sensitivity over 5 years), AirJoule Technologies Corporation (AIRJ) is the lower-risk stock at 1.
75β versus CleanSpark, Inc. 's 3. 41β — meaning CLSK is approximately 95% more volatile than AIRJ relative to the S&P 500. On balance sheet safety, AirJoule Technologies Corporation (AIRJ) carries a lower debt/equity ratio of 0% versus 105% for Marathon Digital Holdings, Inc. — giving it more financial flexibility in a downturn.
05Which is growing faster — AIRJ or GREE or CLSK or MARA?
By revenue growth (latest reported year), CleanSpark, Inc.
(CLSK) is pulling ahead at 102. 2% versus -15. 4% for Greenidge Generation Holdings Inc. (GREE). On earnings-per-share growth, the picture is similar: AirJoule Technologies Corporation grew EPS 117. 5% year-over-year, compared to -314. 5% for Marathon Digital Holdings, Inc.. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.
06Which has better profit margins — AIRJ or GREE or CLSK or MARA?
CleanSpark, Inc.
(CLSK) is the more profitable company, earning 47. 6% net margin versus -144. 6% for Marathon Digital Holdings, Inc. — meaning it keeps 47. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CLSK leads at 41. 6% versus -90. 6% for MARA. At the gross margin level — before operating expenses — GREE leads at 79. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
07Which pays a better dividend — AIRJ or GREE or CLSK or MARA?
In this comparison, CLSK (0.
2% yield) pays a dividend. AIRJ, GREE, MARA do not pay a meaningful dividend and should not be held primarily for income.
08Is AIRJ or GREE or CLSK or MARA better for a retirement portfolio?
For long-horizon retirement investors, AirJoule Technologies Corporation (AIRJ) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding.
CleanSpark, Inc. (CLSK) carries a higher beta of 3. 41 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AIRJ: -64. 1%, CLSK: -84. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
09What are the main differences between AIRJ and GREE and CLSK and MARA?
These companies operate in different sectors (AIRJ (Industrials) and GREE (Financial Services) and CLSK (Technology) and MARA (Financial Services)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.
In terms of investment character: AIRJ is a small-cap deep-value stock; GREE is a small-cap quality compounder stock; CLSK is a small-cap high-growth stock; MARA is a small-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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