Quantum Circuits Funding: $84M Raised, Series B (2024)

Quantum Circuits is based in New Haven. It has raised $84M in total funding. Latest round: Series B.

Quantum Circuits funding overview

Quantum Circuits is based in New Haven. Quantum Circuits has raised $84M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series B announced in August 2024. The round record for Quantum Circuits runs through 2024; nothing later has been disclosed. Investors on record include ARCH Venture Partners, F-Prime Capital, Sequoia Capital, Hither Creek Ventures, Canaan Partners, Fitz Gate Ventures and 5 others. 11 distinct backers are named across the disclosed rounds.

Quantum Circuits at a glance

Total raised
$84M
Latest round
Series B
Latest round date
August 2024
Headquarters
New Haven
Notable investors
ARCH Venture Partners, F-Prime Capital, Sequoia Capital, Hither Creek Ventures, Canaan Partners, Fitz Gate Ventures, In-Q-Tel (IQT), Osage University Partners

Frequently asked about Quantum Circuits funding

How much has Quantum Circuits raised?
Quantum Circuits has raised $84M in total disclosed funding across the rounds on record.
Who has invested in Quantum Circuits?
ARCH Venture Partners, F-Prime Capital, Sequoia Capital, Hither Creek Ventures, Canaan Partners, Fitz Gate Ventures are named among the investors backing Quantum Circuits.
What was the latest Quantum Circuits funding round?
The most recent disclosed round is a Series B, announced in August 2024.
Where is Quantum Circuits based?
Quantum Circuits is based in New Haven.
When did Quantum Circuits last raise?
The last disclosed Quantum Circuits round closed in August 2024 at Series B.

Quantum Circuits totals reflect disclosed capital only — undisclosed extensions and secondaries are excluded. Use the related companies in New Haven below to benchmark round size and investor mix.

Quantum Circuits funding history

2 disclosed rounds on record, including 1 reported through SEC Form D filings.

  1. August 2024 — Series B. $60M.
  2. Filed May 2024 — Private financing. $26.6M sold of a $27M offering. 15 investors reported. SEC Form D filing

SEC Form D filings report the amount sold against a stated offering size, which can differ from press-reported round totals, and they do not name the round — those entries appear as Private financing.

Quantum Circuits founders (1)

Companies related to Quantum Circuits (28)

Browse related funding lists (5)

Company funding database · Investor directory · Founder database · Mega-rounds 2026

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