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HOME/THEMES/QUANTUM COMPUTING
// THEME

Quantum Computing

Early-stage companies building quantum computing hardware, software, and enabling technologies for commercial and research applications.

COMPANIES 62VELOCITY — STABLECAPITAL 28D $6955.6M · 24 DEALS
TOP INVESTORS: nvidia (51) · blackstone (9) · google (7) · general catalyst (6) · amd ventures (5)

CAPITAL FIGURES ARE MEDIA-EXTRACTED ESTIMATES, NOT VERIFIED FILINGS.

Mega-rounds dominate; July's $13.6B week sets the pace
◀ $14.4B · wk of 07-272026-07-13 ── 2026-10-12 · WEEKLY
Unknown and Series A rounds lead quantum deal volume
unknown
$30.5B · 35 DEALS
series a
$6.8B · 26 DEALS
series b
$3.1B · 9 DEALS
series c
$3.4B · 9 DEALS
seed
$5.4B · 8 DEALS
Mention momentum
MENTIONS / WEEK · PEAK 116

EXTRACTED FROM 25+ PODCASTS & VC NEWSLETTERS · MEDIA-REPORTED FIGURES, NOT VERIFIED FILINGS

// THE LEAD
▲ STRENGTHENING

Government capital crowns national quantum hardware champions

The U.S. government has emerged as the decisive backer of the quantum hardware layer, with IBM receiving $1B in federal quantum computing grants and its spinout Anderon securing $1B in CHIPS Act grants with the government taking equity. PsiQuantum, D-Wave, and Rigetti Computing have all received formal U.S. government investment awards in the same cycle. This sovereign-capital dynamic is creating a two-tier market: government-anointed incumbents with near-unlimited runway versus the purely private-market challengers. The pattern mirrors defense procurement logic — once a national champion is designated, switching costs become geopolitical, not just technical.

// TRENDS
▲ STRENGTHENINGFault-tolerant qubit architectures attract the largest private rounds

The race to fault tolerance is concentrating private capital: Alice & Bob's cat qubit approach targets universal fault-tolerant quantum computing with a quantum advantage milestone planned for 2030, while Photonic Inc. builds silicon spin qubit-based systems with its Entanglement First™ architecture already accessible via Microsoft Azure. Atom Computing raised a $100M Series C led by Third Point Ventures, and Oxford Quantum Circuits and Quobly are both raising institutional rounds. The underlying bet is that physical qubit counts matter less than error-correction efficiency — a thesis that directly informs which hardware architectures command premium valuations.

Why it matters · VCs that pick the wrong error-correction architecture face binary outcomes — fault-tolerance is winner-take-most territory where second place has limited commercial value.

The VC Corner · Sep 27
▲ STRENGTHENINGHyperscalers embed as structural quantum infrastructure partners

Microsoft Azure has moved beyond passive cloud hosting to become an active distribution channel for quantum hardware, with Photonic Inc. offering cloud access to its silicon spin qubit systems directly via Azure. This mirrors the hyperscaler playbook in classical AI — own the cloud layer and make every hardware vendor a feature. With Microsoft, Google, and Amazon holding $1.7 trillion in combined cloud backlog, the quantum stack risks being subsumed into hyperscaler infrastructure contracts before it matures as a standalone market.

Why it matters · Quantum startups that co-sell through hyperscaler channels gain distribution at the cost of margin compression and potential platform dependency.

CORROBORATED · 2 SOURCE TYPESAxios AI+ · Sep 30The a16z Show · Sep 30 →Parsers VC · Sep 29
▲ STRENGTHENINGQuantum-safe cryptography is the most near-term commercial wedge

Quantum Bridge Technologies is building quantum-safe cryptographic infrastructure deployable on existing network hardware — a wedge that doesn't require customers to wait for fault-tolerant quantum computers. QNu Labs is similarly positioned in cybersecurity. This 'harvest now, decrypt later' threat is already driving enterprise procurement decisions, making post-quantum cryptography the only part of the quantum stack with a clear, near-term revenue model independent of hardware maturity.

Why it matters · Post-quantum security companies can generate real revenue today while the hardware layer matures, making them lower-risk entries into the quantum theme for growth investors.

StrictlyVC · Oct 1Parsers VC · Sep 29StrictlyVC · Sep 26
▲ STRENGTHENINGEuropean quantum ecosystem builds institutional critical mass

Europe is assembling a credible quantum cluster: Pasqal (France, neutral-atom hardware), Alice & Bob (Paris/Boston, cat qubits), Quobly (France), IQM Quantum Computers (Finland/Germany), Quanscient (Tampere, Finland), QuantWare (Netherlands), and Oxford Quantum Circuits (UK) are all raising or have raised institutional rounds. New fund formation is skewing toward deeptech and frontier hardware per recent VC signals, and European institutional capital is increasingly willing to back multi-decade hardware bets. The cluster effect — shared talent, adjacent national lab infrastructure, and EU Quantum Flagship funding — is lowering the cost of early-stage quantum R&D.

Why it matters · European quantum companies offer geographic diversification from U.S. government-anointed champions and are increasingly competitive for global enterprise and research contracts.

The VC Corner · Sep 27Axios AI+ · Sep 29
// COMPANIES
62 COMPANIES
01
Quanfluence
$10M · OCT 14
2 SIGNALS · LAST SEEN OCT 14, 2026
02
Oratomic
$775M · OCT 14
10 SIGNALS · LAST SEEN OCT 14, 2026
03
Universal Quantum
universalquantum.com
$100M · SERIES A · DCVC + MAIN SEQUENCE VENTURES · OCT 14
5 SIGNALS · LAST SEEN OCT 14, 2026
04
PsiQuantum
psiquantum.com
$150M · OCT 14
6 SIGNALS · LAST SEEN OCT 14, 2026
05
Nvidia
nvidia.com
GROWTH · NVIDIA · OCT 12
956 SIGNALS · LAST SEEN OCT 14, 2026
06
Microsoft
microsoft.com
$60M · SERIES B · SEQUOIA CAPITAL + NVIDIA · OCT 8
328 SIGNALS · LAST SEEN OCT 14, 2026
07
Oatomic
$475M · SERIES A · ARCH VENTURE PARTNERS + SPARK CAPITAL · OCT 8
1 SIGNAL · LAST SEEN OCT 8, 2026
08
Quantinuum
quantinuum.com
IPO · OCT 2
15 SIGNALS · LAST SEEN OCT 2, 2026
09
IQM
IPO · OCT 2
3 SIGNALS · LAST SEEN OCT 2, 2026
10
Pasqal
pasqal.com
IPO · OCT 2
4 SIGNALS · LAST SEEN OCT 2, 2026
11
Google
google.com
$3M · SEED · ACCEL + GOOGLE AI FUTURES FUND · SEP 30
613 SIGNALS · LAST SEEN OCT 15, 2026
12
QNu Labs
$21M · FUNDING · SEP 15
3 SIGNALS · LAST SEEN SEP 15, 2026
13
Kepler Computing
$468M · GROWTH · SEP 11
1 SIGNAL · LAST SEEN SEP 11, 2026
14
Quobly
quobly.com
$115M · SERIES A · SEP 7
9 SIGNALS · LAST SEEN SEP 7, 2026
15
Quantum Computing Sector
$2.0B · Q2 VENTURE · SEP 3
1 SIGNAL · LAST SEEN SEP 3, 2026
16
Oxford Quantum Circuits
oxfordquantumcircuits.com
$340M · SERIES C · BULLHOUND CAPITAL · SEP 3
8 SIGNALS · LAST SEEN SEP 3, 2026
17
Dirac Labs
diraclabs.com
$2M · PRE-SEED · SEP 1
4 SIGNALS · LAST SEEN SEP 1, 2026
18
S-Transistors
s-transistors.com
$3M · PRE-SEED · LIFELINE VENTURES · SEP 1
3 SIGNALS · LAST SEEN SEP 1, 2026
19
Quintessent
$40M · SERIES A · SEP 1
14 SIGNALS · LAST SEEN AUG 30, 2026
20
Qolab
$54M · SERIES B · UC INVESTMENTS · AUG 4
1 SIGNAL · LAST SEEN AUG 4, 2026
21
Multiverse Computing
$570M · SERIES C · AUG 2
4 SIGNALS · LAST SEEN AUG 2, 2026
22
ZuriQ
$26M · SEED · JUL 29
2 SIGNALS · LAST SEEN JUL 29, 2026
23
Photon Queue
$1M · SEED · JUL 21
2 SIGNALS · LAST SEEN JUL 21, 2026
24
QuantumDiamonds
$17M · JUL 9
1 SIGNAL · LAST SEEN JUL 9, 2026
25
Atom Computing
atom-computing.com
$100M · SERIES C · JUL 8
9 SIGNALS · LAST SEEN JUL 8, 2026
26
Quantum Motion
quantummotion.tech
$160M · SERIES C · JUL 8
3 SIGNALS · LAST SEEN JUL 8, 2026
27
IQM Quantum Computers
iqm.fi
$138M · PIPE · JUL 6
2 SIGNALS · LAST SEEN JUL 6, 2026
28
IBM
ibm.com
$500M · UNKNOWN · ANTHROPIC + OPENAI · JUN 25
34 SIGNALS · LAST SEEN OCT 14, 2026
29
QuantWare
quantware.eu
$178M · SERIES B · INTEL CAPITAL · JUN 2
1 SIGNAL · LAST SEEN JUN 2, 2026
30
Quanscient
quanscient.com
SERIES A · JUN 1
1 SIGNAL · LAST SEEN JUN 1, 2026
31
Alice & Bob
alice-bob.com
$107M · SERIES B · NVENTURES · MAY 25
1 SIGNAL · LAST SEEN MAY 25, 2026
32
Photonic Inc.
photonic.com
GROWTH · MAY 17
2 SIGNALS · LAST SEEN MAY 17, 2026
33
Nord Quantique
nordquantique.ca
$30M · GROWTH · FIDELITY · MAY 16
1 SIGNAL · LAST SEEN MAY 16, 2026
34
Groove Quantum
$17M · SEED · INNOVATION INDUSTRIES + 55 NORTH · MAY 1
1 SIGNAL · LAST SEEN MAY 1, 2026
35
IonQ
3 SIGNALS · LAST SEEN OCT 13, 2026
36
Quantonation
1 SIGNAL · LAST SEEN OCT 2, 2026
37
Dvash Group
2 SIGNALS · LAST SEEN SEP 27, 2026
38
SandboxAQ / Flint AI
sandboxaq.com
1 SIGNAL · LAST SEEN SEP 8, 2026
39
PsyQuantum
1 SIGNAL · LAST SEEN SEP 3, 2026
40
HRL Laboratories
1 SIGNAL · LAST SEEN JUL 24, 2026
41
ORCA Computing
1 SIGNAL · LAST SEEN JUL 14, 2026
42
EigenQ
1 SIGNAL · LAST SEEN JUN 18, 2026
43
Barcelona Supercomputing Center
bsc.es
1 SIGNAL · LAST SEEN JUN 11, 2026
44
Quantum Bridge Technologies
1 SIGNAL · LAST SEEN MAY 22, 2026
45
Rigetti Computing
rigetti.com
1 SIGNAL · LAST SEEN MAY 22, 2026
46
D-Wave Quantum
dwavesys.com
1 SIGNAL · LAST SEEN MAY 22, 2026
47
Anderon
1 SIGNAL · LAST SEEN MAY 21, 2026
48
D-Wave Systems Inc.
0 SIGNALS · LAST SEEN JAN 1, 2024
49
Quantum Algorithms Institute
0 SIGNALS · LAST SEEN JAN 1, 2024
50
QUANTUM
0 SIGNALS · LAST SEEN JAN 1, 2024
51
Kothar Computing
0 SIGNALS · LAST SEEN JAN 1, 2024
52
Riverlane
0 SIGNALS · LAST SEEN JAN 1, 2024
53
1QBit
0 SIGNALS · LAST SEEN JAN 1, 2024
54
Quantum Matters: Where Quantum Computing Gets Real, from D-Wave
0 SIGNALS · LAST SEEN JAN 1, 2024
55
Enterprise Quantum
0 SIGNALS · LAST SEEN JAN 1, 2024
56
UVic Quantum Computing Club
0 SIGNALS · LAST SEEN JAN 1, 2024
57
Anyon Systems Inc.
0 SIGNALS · LAST SEEN JAN 1, 2024
58
Institute for Quantum Computing
0 SIGNALS · LAST SEEN JAN 1, 2024
59
SandboxAQ
0 SIGNALS · LAST SEEN JAN 1, 2024
60
Stewart Blusson Quantum Matter Institute
0 SIGNALS · LAST SEEN JAN 1, 2024
61
OptQC Corp.
0 SIGNALS · LAST SEEN JAN 1, 2024
62
Xanadu
0 SIGNALS · LAST SEEN JAN 1, 2024