Arqit Quantum Inc.

ARQQ

Technology Software Infrastructure

Arqit Quantum Inc.’s revenue for fiscal 2025 (year ended September 2025) was $530,000.00, up 80.9% from fiscal 2024.

15.96 3.68 +29.97%
Market cap
$277.7M
P/E
200×
Fwd P/E
n/m
Dividend yield
—
F-score
n/a
ROIC
0.00%
Net debt / EBITDA
1.0×
Dividend safety
n/a

Insider Decisions last twelve months

Net sold
$2.8M
Trades
28 sells · 0 buys
Ownership
0.00%

Capital & Financial Ratios $m

Size
Market Cap 278
Revenue ttm 8
Net income ttm (19)
Free cash flow ttm (61)
Net debt Q (29)
Valuation
P/E 199.5 (above 35: high)
Forward P/E n/m
Price / sales 0.9
Forward P/S Powerpack
Price / FCF n/m
Price / book 0.3
Financial health
Current ratio Q 4.9 (at or above 1.5: strong)
Debt / equity Q n/m
Interest coverage Q —
Growth
Revenue growth Q +1,196.5% (above 0%: growing)
Operating income growth Q —
EPS, this year +40.9% (at or above 15%: strong)
EPS, next year A +30.3% (at or above 15%: strong)
Revenue, next year A +368.3% (at or above 10%: strong)
EPS, past 5 yrs —
EPS, next 5 yrs A —

Green and red mark values outside typical ranges; (Q) is the latest quarter, (A) analysts’ estimates; n/m is not meaningful, as a P/E on a loss. How we judge →

Valuation vs history

P/E against its own 10 years 49.42%
10-year low 10-year high
P/S against its own 10 years 43.31%
10-year low 10-year high
P/B against its own 10 years 34.32%
10-year low 10-year high
EV/FCF against its own 10 years 40.47%
10-year low 10-year high

Dividends

Yield
—
Annual rate
—
Payout ratio
—

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 44 19 37 29
Receivables 3 5 3 3
Inventory — — — —
Other 39 — — —
86 24 40 32
2023 2024 2025 Q'26
Payables 19 12 8 6
ST’ Debt — — — —
Other 6 — 7 —
27 12 15 7

Compound Annual Growth %

10y 5y 3y
Sales — (40.67%) (6.09%)
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value 35.32% (19.09%) (25.79%)

EPS $

Mar Jun Sep Dec Year
’26 — — — — —
’25 — — — — (2.56)
’24 — — — — (10.79)
’23 — — — — (0.54)
’23 — — — — (13.50)
’22 — — — — 0.53
’22 — — — — 13.25
Fiscal quarters ending in the months shown.

Revenue $m

Mar Jun Sep Dec Year
’26 — — — — —
’25 — — — — 1
’24 — — — — 0
’23 — — — — 1
’23 — — — — 1
’22 — — — — 7
’22 — — — — 7
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (26) — — — —
’25 (12) — — — (30)
’24 (23) — — — (34)
’23 — — — — (33)
’23 — — — — (33)
’22 — — — — (27)
’22 — — — — (27)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (26) — — — —
’25 (13) — — — (30)
’24 (23) — — — (37)
’23 — — — — (33)
’23 0 — (25) — (49)
’22 — — — — (27)
’22 (1) — (14) — (51)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell

Ten years at a glance Fiscal years to September

Ten-year view Analyst estimates Powerpack
Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 TTM Mar ’26 Trend 10 yrs 2026e 2027e 2028e Next 3/yr
Income, $m
Income, $m Revenue — — — — — 0 7 1 0 1 8 +82.4% 2 8 — +283.6%
Gross margin, % — — — 0.00 — 0.00 82.09 (311.56) 100.00 100.00 0.00 +100.0 pt
EBT — — — 1 0 (272) 53 (74) (26) (38) (9) n/m
EBT margin, % — — — 0.00 0.00 (567,284.13) 740.54 (11,570.16) (8,946.76) (7,097.36) (114.29) (7,097.4) pt
Net income — 0 — 1 0 (272) 53 (74) (60) (38) (19) n/m
Per share, $
Per share, $ Revenue — — — 0.00 0.00 0.00 0.06 0.00 0.06 0.04 0.00 n/m
Earnings — — — 0.01 (0.02) (2.47) 0.54 (0.54) (10.79) (2.56) 0.08 n/m
Cash flow — — — 0.03 0.00 (0.22) (0.22) (0.25) (6.74) (2.14) 0.00 n/m
Capex — — — 0.00 0.00 0.00 0.00 0.00 (0.66) (0.04) 0.00 n/m
Free cash flow — — — 0.03 0.00 (0.22) (0.22) (0.25) (7.40) (2.18) 0.00 n/m
Book value — — — 0.01 0.07 (0.31) 0.65 0.51 2.34 1.98 0.00 +137.5%
Shares, m — — — 120 0 110 121 131 5 14 135 (30.3%)
Valuation, ×
Valuation, × P/E — — — — — 0.00 0.00 149.75 71.25 484.38 199.50 141.1
P/S — — — — — 0.00 0.00 0.69 0.33 2.22 0.92 0.6
P/B — — — — — 0.00 0.43 0.08 0.17 1.09 0.25 0.4
EV/Sales — — — — — 0.00 0.00 (4.28) (1.69) (0.24) (2.06) (1.2)
EV/FCF — — — — — (7.94) 0.20 0.54 0.22 0.03 0.18 (1.4)
Cash, $m
Cash, $m Operating cash flow — — — 4 0 (24) (27) (33) (34) (30) (60) n/m
Capex — — — (4) (5) (9) (24) (16) (3) (1) 0 (27.0%)
Free cash flow — — — 4 0 (24) (27) (33) (37) (30) (61) n/m
Balance, $m
Balance, $m Working capital — — — 1 0 73 33 60 12 25 26 +63.3%
Net debt — — — (4) 5 (87) (49) (44) (19) (37) (29) +43.5%
Shareholders’ equity — — — 1 0 (34) 79 67 12 27 29 +65.6%
Returns, %
Returns, % ROA — — — 11.23 (0.10) (238.93) 52.53 (70.54) (86.29) (101.60) 0.00 (112.8) pt
ROIC — — — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0 pt
ROE — — — 247.79 (1.05) 802.96 82.84 (105.61) (139.11) (180.99) 0.00 (428.8) pt
People
People Employees — — — — — 74 145 147 82 91 — +5.3%
Revenue/emp, $m — — — — — 0.00 0.00 0.00 0.00 0.01 — n/m
Negative figures in brackets.
estimates

All 10 years →

Fiscal years to Sep 2025 · fundamentals updated 26 Oct 2026

Arqit Quantum Inc. vs peers in Software Infrastructure (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
ARQQ Arqit Quantum Inc. $277.7M 200× — (loss-making) +1,196.45% (above 0%: growing) n/m −12,314.98% (below 0%: shrinking) 0.00% 0.00%
KDK Kodiak AI, Inc. $256.8M — (loss-making) — +595.63% (above 0%: growing) n/m −60.60% (below 0%: shrinking) 100.00% (1,248.27%) Compare
NUAI New Era Energy & Digital, Inc. $242.8M — (loss-making) — −82.54% (below 0%: shrinking) n/m −399.88% (below 0%: shrinking) 100.00% (46,250.68%) Compare
SUPX SuperX AI Technology Limited $226.6M — — — — −135,337.38% (below 0%: shrinking) — — Compare
XNET Xunlei Limited $225.6M — (loss-making) — +38.73% (above 0%: growing) n/m +309.97% (above 0%: growing) 56.13% (4.67%) Compare
IMXI INTERNATIONAL MONEY EXPRESS, INC. $221.8M 11.7× 15.5× −18.60% (below 0%: shrinking) −62.16% (below 0%: shrinking) +203.48% (above 0%: growing) 20.76% 6.67% Compare
BKKT Bakkt Holdings, Inc. $193.8M — (loss-making) 1.7× −70.05% (below 0%: shrinking) n/m −401.44% (below 0%: shrinking) 1.30% (11.53%) Compare
OWLS OBOOK Holdings Inc. $192.6M — — — — −18.94% (below 0%: shrinking) — — Compare
QNC Quantum eMotion Corp. $188.8M — (loss-making) — (loss-making) — n/m −59.64% (below 0%: shrinking) 100.00% (309,745.45%) Compare
Median of peers $223.7M — — −18.60% — −60.12% 78.07% (629.90%)

All 183 Software Infrastructure stocks →

Arqit Quantum Inc. (ARQQ) Latest News

9 Jun

Impact 4 · · Insider Monkey

22 May

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21 May

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3 Mar

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9 Dec

4 Dec

Impact 4 · · The Motley Fool
stockrow.com/ARQQ · Data as of Oct 26, 2026 · For information only; not investment advice. · © 2026 stockrow.com