KULR
KULR Technology Group, Inc.
Hardware, Equipment & Parts
Market Cap$509M
5Y Perf.-65.9%
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Stock Comparison
KULR vs AEHR vs COHU vs ACLS
Revenue, margins, valuation, and 5-year total return — side by side.
AEHR
Aehr Test Systems
Semiconductors
Market Cap$2.79B
5Y Perf.+5430.9%
COHU
Cohu, Inc.
Semiconductors
Market Cap$2.23B
5Y Perf.+215.3%
ACLS
Axcelis Technologies, Inc.
Semiconductors
Market Cap$4.88B
5Y Perf.+490.9%
KULR vs AEHR vs COHU vs ACLS — Key Financials
Market cap, revenue, margins, and valuation side-by-side.
| Company Snapshot | KULR | AEHR | COHU | ACLS |
|---|---|---|---|---|
| Industry | Hardware, Equipment & Parts | Semiconductors | Semiconductors | Semiconductors |
| Market Cap | $509M | $2.79B | $2.23B | $4.88B |
| Revenue (TTM) | $17M | $49M | $481M | $845M |
| Net Income (TTM) | $-22M | $-11M | $-56M | $101M |
| Gross Margin | 22.1% | 30.2% | 25.7% | 43.6% |
| Operating Margin | -186.9% | -27.8% | -10.6% | 11.6% |
| Forward P/E | — | — | 89.2x | 43.5x |
| Total Debt | $2M | $11M | $359M | $42M |
| Cash & Equiv. | $30M | $25M | $227M | $145M |
KULR vs AEHR vs COHU vs ACLS — Long-Term Stock Performance
Price return indexed to 100 at period start. Dividends excluded.
KULR
AEHR
COHU
ACLS
| Stock | May 20 | May 26 | Return |
|---|---|---|---|
| KULR Technology Gro… (KULR) | 100 | 34.1 | -65.9% |
| Aehr Test Systems (AEHR) | 100 | 5530.9 | +5430.9% |
| Cohu, Inc. (COHU) | 100 | 315.3 | +215.3% |
| Axcelis Technologie… (ACLS) | 100 | 590.9 | +490.9% |
Price return only. Dividends and distributions are not included.
Quick Verdict: KULR vs AEHR vs COHU vs ACLS
Each card shows where this stock fits in a portfolio — not just who wins on paper.
Bottom line: ACLS leads in 4 of 7 categories, making it the strongest pick for valuation and capital efficiency and profitability and margin quality. Aehr Test Systems is the stronger pick specifically for recent price momentum and sentiment. COHU also leads in specific categories worth noting. As sector peers, any of these can serve as alternatives in the same allocation.
KULR
KULR Technology Group, Inc.
The Growth Play
KULR is the clearest fit if your priority is growth exposure and sleep-well-at-night.
- Rev growth 9.2%, EPS growth 53.0%, 3Y rev CAGR 64.5%
- Lower volatility, beta 3.28, Low D/E 3.2%, current ratio 7.32x
Best for: growth exposure and sleep-well-at-night
AEHR
Aehr Test Systems
The Long-Run Compounder
AEHR is the #2 pick in this set and the best alternative if long-term compounding is your priority.
- 70.3% 10Y total return vs ACLS's 15.1%
- +9.9% vs KULR's -73.1%
Best for: long-term compounding
COHU
Cohu, Inc.
The Income Pick
COHU is the clearest fit if your priority is income & stability and defensive.
- Dividend streak 0 yrs, beta 2.13
- Beta 2.13, current ratio 6.88x
- 12.7% revenue growth vs AEHR's -20.2%
Best for: income & stability and defensive
ACLS
Axcelis Technologies, Inc.
The Value Play
ACLS carries the broadest edge in this set and is the clearest fit for value and quality.
- Lower P/E (43.5x vs 89.2x)
- 11.9% margin vs KULR's -133.5%
- Beta 2.00 vs AEHR's 4.77, lower leverage
- 7.5% ROA vs KULR's -14.3%, ROIC 9.6% vs -86.5%
Best for: value and quality
See the full category breakdown
| Category | Winner | Why |
|---|---|---|
| Growth | COHU | 12.7% revenue growth vs AEHR's -20.2% |
| Value | ACLS | Lower P/E (43.5x vs 89.2x) |
| Quality / Margins | ACLS | 11.9% margin vs KULR's -133.5% |
| Stability / Safety | ACLS | Beta 2.00 vs AEHR's 4.77, lower leverage |
| Dividends | Tie | None of these 4 stocks pay a meaningful dividend |
| Momentum (1Y) | AEHR | +9.9% vs KULR's -73.1% |
| Efficiency (ROA) | ACLS | 7.5% ROA vs KULR's -14.3%, ROIC 9.6% vs -86.5% |
KULR vs AEHR vs COHU vs ACLS — Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
FY 2022
FY 2024
FY 2014
FY 2025
KULR vs AEHR vs COHU vs ACLS — Financial Metrics
Side-by-side numbers across 4 stocks — who leads on profitability, valuation, growth, and risk.
BEST OVERALLACLSLAGGINGCOHU
Who Leads Where
ACLS leads in 2 of 6 categories
AEHR leads 1 • KULR leads 0 • COHU leads 0 • 2 tied
Explore the data ↓COHUCohu, Inc.
0leads
KULRKULR Technology Group…
0leads
AEHRAehr Test Systems
1leads
ACLSAxcelis Technologies,…
2leads
6 Total Categories
CATEGORYLEADERvs AEHRvs KULRMETRICS WON
Income & Cash FlowRevenue, margins, and cash flow strength
ACLS4/6
Valuation MetricsMultiples, price ratios, and targets
Tied
—
Profitability & EfficiencyROE, ROIC, leverage, and quality scores
ACLS7/9
Total Returns1Y, 3Y, 5Y total returns with dividends
AEHR6/6
Risk & VolatilityBeta, volatility, and downside exposure
Tied
—
Analyst OutlookRatings, price targets, and dividends
—
—
Income & Cash Flow (Last 12 Months)
ACLS leads this category, winning 4 of 6 comparable metrics.
Income & Cash Flow (Last 12 Months)
ACLS is the larger business by revenue, generating $845M annually — 50.7x KULR's $17M. ACLS is the more profitable business, keeping 11.9% of every revenue dollar as net income compared to KULR's -133.5%. On growth, KULR holds the edge at +116.1% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | KULRKULR Technology G… | AEHRAehr Test Systems | COHUCohu, Inc. | ACLSAxcelis Technolog… |
|---|---|---|---|---|
| RevenueTrailing 12 months | $17M | $49M | $481M | $845M |
| EBITDAEarnings before interest/tax | -$28M | -$10M | -$11M | $111M |
| Net IncomeAfter-tax profit | -$22M | -$11M | -$56M | $101M |
| Free Cash FlowCash after capex | -$37M | -$14M | $32M | $90M |
| Gross MarginGross profit ÷ Revenue | +22.1% | +30.2% | +25.7% | +43.6% |
| Operating MarginEBIT ÷ Revenue | -186.9% | -27.8% | -10.6% | +11.6% |
| Net MarginNet income ÷ Revenue | -133.5% | -22.7% | -11.5% | +11.9% |
| FCF MarginFCF ÷ Revenue | -2.2% | -28.1% | +6.6% | +10.7% |
| Rev. Growth (YoY)Latest quarter vs prior year | +116.1% | -26.5% | +29.3% | +3.3% |
| EPS Growth (YoY)Latest quarter vs prior year | -15.5% | -2.2% | +60.6% | -65.9% |
ACLS leads this category, winning 4 of 6 comparable metrics.
Valuation Metrics
Evenly matched — COHU and ACLS each lead in 2 of 5 comparable metrics.
Valuation Metrics
| Metric | KULRKULR Technology G… | AEHRAehr Test Systems | COHUCohu, Inc. | ACLSAxcelis Technolog… |
|---|---|---|---|---|
| Market CapShares × price | $509M | $2.8B | $2.2B | $4.9B |
| Enterprise ValueMkt cap + debt − cash | $481M | $2.8B | $2.4B | $4.8B |
| Trailing P/EPrice ÷ TTM EPS | -29.07x | -702.00x | -29.86x | 41.75x |
| Forward P/EPrice ÷ next-FY EPS est. | — | — | 89.21x | 43.49x |
| PEG RatioP/E ÷ EPS growth rate | — | — | — | 1.98x |
| EV / EBITDAEnterprise value multiple | — | — | — | 34.85x |
| Price / SalesMarket cap ÷ Revenue | 47.44x | 47.39x | 4.93x | 5.81x |
| Price / BookPrice ÷ Book value/share | 8.87x | 21.97x | 2.82x | 4.86x |
| Price / FCFMarket cap ÷ FCF | — | — | 207.83x | 45.56x |
Evenly matched — COHU and ACLS each lead in 2 of 5 comparable metrics.
Profitability & Efficiency
ACLS leads this category, winning 7 of 9 comparable metrics.
Profitability & Efficiency
ACLS delivers a 9.8% return on equity — every $100 of shareholder capital generates $10 in annual profit, vs $-15 for KULR. KULR carries lower financial leverage with a 0.03x debt-to-equity ratio, signaling a more conservative balance sheet compared to COHU's 0.46x. On the Piotroski fundamental quality scale (0–9), KULR scores 5/9 vs AEHR's 1/9, reflecting solid financial health.
| Metric | KULRKULR Technology G… | AEHRAehr Test Systems | COHUCohu, Inc. | ACLSAxcelis Technolog… |
|---|---|---|---|---|
| ROE (TTM)Return on equity | -15.0% | -8.5% | -6.8% | +9.8% |
| ROA (TTM)Return on assets | -14.3% | -7.5% | -4.9% | +7.5% |
| ROICReturn on invested capital | -86.5% | -3.0% | -5.7% | +9.6% |
| ROCEReturn on capital employed | -49.0% | -3.2% | -5.9% | +10.4% |
| Piotroski ScoreFundamental quality 0–9 | 5 | 1 | 4 | 5 |
| Debt / EquityFinancial leverage | 0.03x | 0.09x | 0.46x | 0.04x |
| Net DebtTotal debt minus cash | -$28M | -$14M | $132M | -$103M |
| Cash & Equiv.Liquid assets | $30M | $25M | $227M | $145M |
| Total DebtShort + long-term debt | $2M | $11M | $359M | $42M |
| Interest CoverageEBIT ÷ Interest expense | -52.40x | — | -168.82x | 77.10x |
ACLS leads this category, winning 7 of 9 comparable metrics.
Total Returns (Dividends Reinvested)
AEHR leads this category, winning 6 of 6 comparable metrics.
Total Returns (Dividends Reinvested)
A $10,000 investment in AEHR five years ago would be worth $398,515 today (with dividends reinvested), compared to $1,633 for KULR. Over the past 12 months, AEHR leads with a +991.6% total return vs KULR's -73.1%. The 3-year compound annual growth rate (CAGR) favors AEHR at 50.7% vs KULR's -20.3% — a key indicator of consistent wealth creation.
| Metric | KULRKULR Technology G… | AEHRAehr Test Systems | COHUCohu, Inc. | ACLSAxcelis Technolog… |
|---|---|---|---|---|
| YTD ReturnYear-to-date | -14.7% | +311.8% | +92.9% | +84.2% |
| 1-Year ReturnPast 12 months | -73.1% | +991.6% | +199.7% | +173.2% |
| 3-Year ReturnCumulative with dividends | -49.4% | +242.3% | +40.7% | +32.2% |
| 5-Year ReturnCumulative with dividends | -83.7% | +3885.1% | +22.2% | +286.8% |
| 10-Year ReturnCumulative with dividends | -77.3% | +7029.7% | +330.2% | +1505.9% |
| CAGR (3Y)Annualised 3-year return | -20.3% | +50.7% | +12.1% | +9.7% |
AEHR leads this category, winning 6 of 6 comparable metrics.
Risk & Volatility
Evenly matched — COHU and ACLS each lead in 1 of 2 comparable metrics.
Risk & Volatility
ACLS is the less volatile stock with a 2.00 beta — it tends to amplify market swings less than AEHR's 4.77 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. COHU currently trades 93.7% from its 52-week high vs KULR's 19.2% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | KULRKULR Technology G… | AEHRAehr Test Systems | COHUCohu, Inc. | ACLSAxcelis Technolog… |
|---|---|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 3.28x | 4.77x | 2.13x | 2.00x |
| 52-Week HighHighest price in past year | $14.24 | $102.48 | $50.68 | $171.60 |
| 52-Week LowLowest price in past year | $1.94 | $8.06 | $15.34 | $55.81 |
| % of 52W HighCurrent price vs 52-week peak | +19.2% | +89.1% | +93.7% | +92.5% |
| RSI (14)Momentum oscillator 0–100 | 61.7 | 67.6 | 75.5 | 84.4 |
| Avg Volume (50D)Average daily shares traded | 1.2M | 3.0M | 953K | 734K |
Evenly matched — COHU and ACLS each lead in 1 of 2 comparable metrics.
Analyst Outlook
Insufficient data to determine a leader in this category.
Analyst Outlook
Analyst consensus: KULR as "Buy", AEHR as "Hold", COHU as "Buy", ACLS as "Buy". Consensus price targets imply 4.8% upside for COHU (target: $50) vs -32.1% for AEHR (target: $62).
| Metric | KULRKULR Technology G… | AEHRAehr Test Systems | COHUCohu, Inc. | ACLSAxcelis Technolog… |
|---|---|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Hold | Buy | Buy |
| Price TargetConsensus 12-month target | — | $62.00 | $49.75 | $128.00 |
| # AnalystsCovering analysts | 2 | 3 | 14 | 12 |
| Dividend YieldAnnual dividend ÷ price | — | — | — | — |
| Dividend StreakConsecutive years of raises | — | — | 0 | 0 |
| Dividend / ShareAnnual DPS | — | — | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | +0.1% | +0.0% | +0.3% | +2.5% |
Insufficient data to determine a leader in this category.
Key Takeaway
ACLS leads in 2 of 6 categories (Income & Cash Flow, Profitability & Efficiency). AEHR leads in 1 (Total Returns). 2 tied.
Best OverallAxcelis Technologies, Inc. (ACLS)Leads 2 of 6 categories
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KULR vs AEHR vs COHU vs ACLS: Key Questions Answered
10 questions · data-driven answers · updated daily
01Is KULR or AEHR or COHU or ACLS a better buy right now?
For growth investors, Cohu, Inc.
(COHU) is the stronger pick with 12. 7% revenue growth year-over-year, versus -17. 6% for Axcelis Technologies, Inc. (ACLS). Axcelis Technologies, Inc. (ACLS) offers the better valuation at 41. 8x trailing P/E (43. 5x forward), making it the more compelling value choice. Analysts rate KULR Technology Group, Inc. (KULR) a "Buy" — based on 2 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 — KULR or AEHR or COHU or ACLS?
On forward P/E, Axcelis Technologies, Inc.
is actually cheaper at 43. 5x.
03Which is the better long-term investment — KULR or AEHR or COHU or ACLS?
Over the past 5 years, Aehr Test Systems (AEHR) delivered a total return of +38.
9%, compared to -83. 7% for KULR Technology Group, Inc. (KULR). Over 10 years, the gap is even starker: AEHR returned +70. 3% versus KULR's -77. 3%. 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 — KULR or AEHR or COHU or ACLS?
By beta (market sensitivity over 5 years), Axcelis Technologies, Inc.
(ACLS) is the lower-risk stock at 2. 00β versus Aehr Test Systems's 4. 77β — meaning AEHR is approximately 139% more volatile than ACLS relative to the S&P 500. On balance sheet safety, KULR Technology Group, Inc. (KULR) carries a lower debt/equity ratio of 3% versus 46% for Cohu, Inc. — giving it more financial flexibility in a downturn.
05Which is growing faster — KULR or AEHR or COHU or ACLS?
By revenue growth (latest reported year), Cohu, Inc.
(COHU) is pulling ahead at 12. 7% versus -17. 6% for Axcelis Technologies, Inc. (ACLS). On earnings-per-share growth, the picture is similar: KULR Technology Group, Inc. grew EPS 53. 0% year-over-year, compared to -38. 2% for Axcelis Technologies, Inc.. Over a 3-year CAGR, KULR leads at 64. 5% annualised revenue growth. 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 — KULR or AEHR or COHU or ACLS?
Axcelis Technologies, Inc.
(ACLS) is the more profitable company, earning 14. 3% net margin versus -163. 2% for KULR Technology Group, Inc. — meaning it keeps 14. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ACLS leads at 14. 2% versus -141. 9% for KULR. At the gross margin level — before operating expenses — KULR leads at 51. 1%, 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.
07Is KULR or AEHR or COHU or ACLS more undervalued right now?
On forward earnings alone, Axcelis Technologies, Inc.
(ACLS) trades at 43. 5x forward P/E versus 89. 2x for Cohu, Inc. — 45. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for COHU: 4. 8% to $49. 75.
08Which pays a better dividend — KULR or AEHR or COHU or ACLS?
None of the stocks in this comparison currently pay a material dividend.
All are effectively zero-yield and should be held for capital appreciation rather than income.
09Is KULR or AEHR or COHU or ACLS better for a retirement portfolio?
For long-horizon retirement investors, Axcelis Technologies, Inc.
(ACLS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1506% 10Y return). KULR Technology Group, Inc. (KULR) carries a higher beta of 3. 28 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ACLS: +1506%, KULR: -77. 3%), 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.
10What are the main differences between KULR and AEHR and COHU and ACLS?
Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.
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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