Company intelligence

Oratomic

Caltech/Harvard spinout building a fault-tolerant, utility-scale quantum computer using a reconfigurable neutral-atom architecture designed to reach useful quantum advantage with only 10,000-20,000 qubits.

Quantum computingSouth Pasadena, USAFounded 2026Founders: Dolev BluvsteinWebsite ↗See connections →Compare with Ramp
Last verified Oct 8, 2026

Key Metrics

Valuation
$5.5B
As of Oct 8, 2026SiliconANGLE
Total funding
~$775M
As of Oct 8, 2026SiliconANGLE

Company Snapshot

Oratomic is a Quantum computing company, based in South Pasadena, USA, founded 2026 by Dolev Bluvstein. Latest valuation $5.5B (As of Oct 8, 2026, SiliconANGLE). Total funding ~$775M (As of Oct 8, 2026).

Recent changes

  1. Oct 8, 2026Raised $475M Series A SiliconANGLE
  2. Oct 8, 2026Raised $475M Series B at a $5.5B valuation SiliconANGLE
  3. Oct 8, 2026First reported total funding: ~$775M SiliconANGLE
  4. Oct 8, 2026Oratomic Triples To $5.5B Valuation In Three Months Pulse story
  5. Oct 8, 2026Valuation rose from $1.5B to $5.5B SiliconANGLE
Earlier changes (12)
  1. Jul 10, 2026Raised $300M Series A at a $7 billion valuation TechCrunch
  2. Jul 10, 2026New investor: Bain Capital TechCrunch
  3. Jul 10, 2026New investor: Bezos Expeditions TechCrunch
  4. Jul 10, 2026New investor: Index Ventures TechCrunch
  5. Jul 10, 2026New investor: Spark Capital TechCrunch
  6. Jul 10, 2026New investor: Lowercarbon Capital TechCrunch
  7. Jul 10, 2026New investor: General Catalyst TechCrunch
  8. Jul 10, 2026New investor: ARCH Venture Partners TechCrunch
  9. Jul 10, 2026New investor: Khosla Ventures TechCrunch
  10. Jul 10, 2026Oratomic Raises $300M to Build a 20K-Qubit Quantum Computer Pulse story
  11. Jul 10, 2026Oratomic Raises $300M for a 20,000-Qubit Quantum Computer Pulse story
  12. Jul 2026First reported valuation: $1.5B SiliconANGLE

Funding History

3 events · sources dated per row
DateEventAmountValuationInvestorsSource
Oct 8, 2026Series A$475M—
SiliconANGLE
Oct 8, 2026Series B$475M$5.5B
ARCH Venture PartnersLeadunverifiedSpark CapitalLeadunverifiedKhosla VenturesLeadunverifiedIndex VenturesLeadunverifiedGeneral CatalystLeadunverifiedBezos ExpeditionsLeadunverified
SiliconANGLE
Jul 10, 2026Series A$300M$7 billion
ARCH Venture PartnersLeadSpark CapitalLeadKhosla VenturesLeadBezos ExpeditionsIndex VenturesGeneral CatalystLowercarbon CapitalBain Capital
TechCrunch
Funding timeline · 3 rounds · $1.3B tracked
$0.0M$266M$532M$300MSeries AJul 26$475MSeries AOct 26$475MSeries BOct 26
Valuation over time
$0M$3.0B$6.1B2026-072026-10
Underlying values
As ofValueMethodSource
Oct 8, 2026$5.5BReportedSiliconANGLE
Jul 2026$1.5BReportedSiliconANGLE

Investors

ARCH Venture PartnersBezos ExpeditionsGeneral CatalystIndex VenturesKhosla VenturesSpark CapitalBain CapitalLowercarbon Capital

Latest Pulse

  1. Firmus Pulls Its $31B IPO Hours Before FilingNvidia-backed data-center developer Firmus withdrew its Australian IPO the day it was due to publish its prospectus, abandoning a roughly $31 billion valuation target amid market turbulence.→
  2. Oratomic Triples To $5.5B Valuation In Three MonthsQuantum computing startup Oratomic raised a $475 million Series B at a $5.5 billion valuation, up from $1.5 billion three months ago, the same day rival Universal Quantum closed a $100 million-plus Series A.→
  3. Universal Quantum Raises $100M, UK's Biggest Series AUK quantum computing startup Universal Quantum raised more than $100 million in a Series A co-led by DCVC and Firgun Ventures, the same day rival Oratomic closed a $475 million round at a $5.5 billion valuation.→
  4. Quantum Computing's Venture Moment Keeps CompoundingOratomic's $300 million Series A -- Khosla's largest-ever first check -- is the clearest sign yet that VCs now treat quantum computing as its own well-capitalized category, distinct from the AI infrastructure boom.→
  5. Oratomic Raises $300M to Build a 20K-Qubit Quantum ComputerOratomic, a Caltech-spinout quantum computing startup, raised a $300 million Series A to build a utility-scale quantum computer using roughly 20,000 qubits instead of the million-plus rivals are targeting.→
  6. Oratomic Raises $300M for a 20,000-Qubit Quantum ComputerCaltech-founded Oratomic raised a $300 million Series A co-led by ARCH, Spark Capital and Khosla, betting its neutral-atom architecture needs only 10,000-20,000 qubits for a useful, fault-tolerant quantum computer.→

Coverage Timeline

newest first
  1. Oct 8, 2026FUNDINGOratomic Triples To $5.5B Valuation In Three Months$475M Series B→
  2. Oct 8, 2026FUNDINGUniversal Quantum Raises $100M, UK's Biggest Series A$100M+ Series A→
  3. Jul 13, 2026FUNDINGQuantum Computing's Venture Moment Keeps Compounding$300M Series A→
  4. Jul 10, 2026FUNDINGOratomic Raises $300M to Build a 20K-Qubit Quantum Computer$300M→
  5. Jul 10, 2026FUNDINGOratomic Raises $300M for a 20,000-Qubit Quantum Computer$300M Series A→

All Coverage

FUNDING

Oratomic Triples To $5.5B Valuation In Three Months

Illustration for: Oratomic Triples To $5.5B Valuation In Three Months
FUNDING$475M Series B

Oratomic Triples To $5.5B Valuation In Three Months

Quantum computing startup Oratomic raised a $475 million Series B at a $5.5 billion valuation, up from $1.5 billion three months ago, the same day rival Universal Quantum closed a $100 million-plus Series A.

DEEP DIVE
FUNDING

Universal Quantum Raises $100M, UK's Biggest Series A

Illustration for: Universal Quantum Raises $100M, UK's Biggest Series A
FUNDING$100M+ Series A

Universal Quantum Raises $100M, UK's Biggest Series A

UK quantum computing startup Universal Quantum raised more than $100 million in a Series A co-led by DCVC and Firgun Ventures, the same day rival Oratomic closed a $475 million round at a $5.5 billion valuation.

DEEP DIVE
FUNDING

Quantum Computing's Venture Moment Keeps Compounding

Illustration for: Quantum Computing's Venture Moment Keeps Compounding
FUNDING$300M Series A

Quantum Computing's Venture Moment Keeps Compounding

Oratomic's $300 million Series A -- Khosla's largest-ever first check -- is the clearest sign yet that VCs now treat quantum computing as its own well-capitalized category, distinct from the AI infrastructure boom.

FUNDING

Oratomic Raises $300M to Build a 20K-Qubit Quantum Computer

Illustration for: Oratomic Raises $300M to Build a 20K-Qubit Quantum Computer
FUNDING$300M

Oratomic Raises $300M to Build a 20K-Qubit Quantum Computer

Oratomic, a Caltech-spinout quantum computing startup, raised a $300 million Series A to build a utility-scale quantum computer using roughly 20,000 qubits instead of the million-plus rivals are targeting.

FUNDING

Oratomic Raises $300M for a 20,000-Qubit Quantum Computer

Illustration for: Oratomic Raises $300M for a 20,000-Qubit Quantum Computer
FUNDING$300M Series A

Oratomic Raises $300M for a 20,000-Qubit Quantum Computer

Caltech-founded Oratomic raised a $300 million Series A co-led by ARCH, Spark Capital and Khosla, betting its neutral-atom architecture needs only 10,000-20,000 qubits for a useful, fault-tolerant quantum computer.

Value Add Research

Related Companies

Shared investors
CognitionGeneral IntuitionPhysical IntelligenceRampLifeMine TherapeuticsMoonwalk Biosciences
More on OratomicMoore's Law →

Oratomic FAQ

What is Oratomic's valuation?

Oratomic's valuation is $5.5B (As of Oct 8, 2026, SiliconANGLE).

How much has Oratomic raised?

Oratomic has raised ~$775M in total funding (As of Oct 8, 2026, SiliconANGLE).

Who are Oratomic's investors?

Oratomic's investors include ARCH Venture Partners, Bezos Expeditions, General Catalyst, Index Ventures, Khosla Ventures, and 3 more (As of Oct 8, 2026).

Sources & methodologyshow
Where these figures come from

Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.

How we verify data · Suggest a correction