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Axcelis Technologies (ACLS): analysis traps
Where its figures could mislead a reader, and what to check before taking them at face value · Data: Q3 2026, to Sep 30, 2026, filed Nov 5, 2026; rules v1.1
Axcelis Technologies (ACLS): 0 rules of 10 triggered on the filings to Sep 30, 2026. 1 to review; 2 with insufficient data; 2 not applicable. Each is a question to verify, with the normal explanation that would produce the same figures.
Check these first
A precise DCF value = the true value To review · confidence high
The DCF's point value is 35.22 a share (price 115.11); 58% of it is the terminal value, a number about years no one has seen. Moving operating margin by ±3 pts alone takes it from 29.04 to 41.40; across every method the research ran the range is -1 to 169. The value is a range; the decimals are not information.
Innocent reading: A stable, mature business with a narrow range of outcomes, where the point value is a fair summary.
Every rule
A01 FCF growth = the business improved Not triggered confidence high
Free cash flow did not rise ($129M → $107M): the trap does not arise.
The figures and how they are read
| Fiscal year before | FY2024 |
| Fiscal year | FY2025 |
| Operating cash flow, year before | $141M |
| Operating cash flow | $118M |
| Capex, year before | $12M |
| Capex | $11M |
| Free cash flow, year before | $129M |
| Free cash flow | $107M |
| Change in FCF | −$22M |
| Change in capex | −$886K |
| Working capital: change in its cash contribution | $55M |
FCF = operating cash flow − cash capex; ΔFCF = ΔOCF − ΔCapEx; the working-capital part is the change in the cash-bridge items (receivables, inventory, payables, accruals), with the sign of the cash flow statement
Source: FY2025 (cash flow statement, fiscal year) · FY2024 (cash flow statement, fiscal year before)
A07 Stock compensation added back = no economic cost Not triggered confidence high
Stock compensation is 2.5% of revenue: small enough that adding it back changes little.
The figures and how they are read
| Fiscal year | FY2025 |
| Stock compensation | $21M |
| Revenue | $839M |
| SBC / revenue | +2.5% |
| Buybacks | $121M |
| Buybacks / SBC | 5.8 |
| Diluted shares, year before | 32.7M shares |
| Diluted shares | 31.7M shares |
| Diluted shares: change | -3.2% |
SBC / revenue from the cash flow statement's add-back; the diluted weighted share count year over year; buybacks from the financing section
Source: FY2025 (stock compensation, buybacks and the diluted share count, fiscal year)
B02 Receivables growing = future cash is certain Not triggered confidence medium
Receivables grew 5% against revenue 11% in Q3 2026; DSO 60 against a median of 70: collections are keeping pace with sales.
The figures and how they are read
| Quarter | Q3 2026 |
| Revenue, year over year | +11.3% |
| Receivables, year over year | +4.8% |
| Quarter before | Q2 2026 |
| Revenue y/y, quarter before | +10.6% |
| Receivables y/y, quarter before | +11.0% |
| Days sales outstanding | 59.8 |
| DSO, median of eight quarters | 70.5 |
| Receivables | $155M |
| Revenue | $238M |
receivables and revenue against the same quarter a year earlier; DSO = receivables / quarterly revenue × days, against the median of the eight quarters before
Source: Q3 2026 (receivables and revenue) · Q3 2025 (the same quarter a year earlier)
B08 Adjusted profit = economic profit Insufficient data
1 quarter with a reconciliation table on file (three are needed) and fewer than three quarters with both an adjusted and a GAAP EPS
C02 Low net debt = no refinancing risk Insufficient data
no debt figure could be read from the balance sheet (the filing may tag it in other lines)
D03 EPS growth = profit growth Not triggered confidence high
EPS rose 47% and net income rose 45% in Q3 2026; the share count fell 1.1%: EPS growth follows profit growth.
The figures and how they are read
| Quarter | Q3 2026 |
| Quarter before | Q3 2025 |
| EPS, year before | $0.83 |
| EPS | $1.21 |
| Net income, year before | $26M |
| Net income | $38M |
| Diluted shares, year before | 31.4M shares |
| Diluted shares | 31.1M shares |
| EPS growth | +47.0% |
| Net income growth | +45.3% |
| Diluted shares: change | -1.1% |
| eps from profit | $0.37 |
| eps from share count | $0.01 |
EPS and net income against the same quarter a year earlier; the EPS bridge attributes the change to profit first, then to the share count (the order is fixed and disclosed)
Source: Q3 2026 (net income, diluted shares, EPS) · Q3 2025 (the same quarter a year earlier)
E02 Low P/E at a cyclical peak = undervalued Not triggered confidence medium
Net income of $93M is not at a cyclical high against the last eight years (median $120M, best $246M): the P/E of 38.6× is on a normal year.
The figures and how they are read
| market value | $3.6B |
| net income ttm | $93M |
| pe ttm | 38.60 |
| net income median fy | $120M |
| pe mid cycle | 29.80 |
| net income peak fy | $246M |
| years | FY2018 / 46.0; FY2019 / 17.0; FY2020 / 50.0; FY2021 / 99.0; FY2022 / 183.0; FY2023 / 246.0; FY2024 / 201.0; FY2025 / 120.0 |
| down years in window | 3 |
P/E on the trailing twelve months' net income against the P/E on the median net income of the last eight fiscal years (a mid-cycle stand-in); 'at a peak' = this year's profit at or above 90% of the best year and at least 1.3× the median
Source: Q3 2026 (net income, trailing twelve months)
E07 A precise DCF value = the true value To review confidence high
The DCF's point value is 35.22 a share (price 115.11); 58% of it is the terminal value, a number about years no one has seen. Moving operating margin by ±3 pts alone takes it from 29.04 to 41.40; across every method the research ran the range is -1 to 169. The value is a range; the decimals are not information.
The figures and how they are read
| dcf value | 35.22 |
| price | 115.11 |
| terminal value share | +57.8% |
| swing by input | Operating margin / ±3 pts / 29.04 / 41.4; Revenue growth (each year) / ±5 pts / 31.49 / 39.69; WACC / ±1 pt / 33.11 / 37.89; Tax rate / ±5 pts / 33.94 / 36.5 |
| range all methods | -1.4; 169.15 |
the DCF's point value against the share of it that is the terminal value and the value at each input moved by one step (growth ±5 pts, WACC ±1 pt, margin ±3 pts …); the range across every method the research ran
Source: 2026-11-08 (valuation research)
What would explain it innocently
- A stable, mature business with a narrow range of outcomes, where the point value is a fair summary
- The inputs that matter most are themselves well known (a regulated return, a long contract)
What to look for in the filing
- Which input you believe differs from the research's and why
- What the price implies for growth (the reverse DCF on the fair-value page)
What would show the trap does not apply
- The DCF's value is robust to the terminal growth and discount rate (the range's low end is still above the price)
- The company's cash flows over the next three years track the DCF's early years
Look again: next filing.
J06 A bank's low P/E and high profit = safe Not applicable
not a bank
J08 A REIT's low net income = the dividend is unsafe Not applicable
not a REIT
What the statuses mean
Triggered: the filings show the pattern; read the normal explanations and the missing evidence before concluding anything. To review: one quarter or a weak signal; a reader's judgement, not a pattern. Not triggered: the pattern is absent on these figures. Insufficient data: the filings read so far do not hold what the rule needs; this is not a clean bill. Not applicable: the rule is not meant for this kind of company (a bank's working capital, a loss-making quarter's EPS growth). Out of date: the latest filing is more than fifteen months old.
Severity is what the pattern could mean for cash, value or solvency; confidence is how reliable the inputs and the reading are. The two are kept apart.
Record a view
A reader's judgement, grounds, what would change it and the next review; kept in the browser (needs JavaScript).
Every rule and the companies it triggers on → Axcelis Technologies: cash flow → Earnings quality score →
Each rule reads the company's own filings by a fixed formula and says what would explain the same figures innocently. A triggered rule is a question to verify, not a finding of manipulation, and not a view on the stock. Missing data is shown as missing, never as clear. Not investment advice.