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Quantinuum

QNT · Nasdaq Filing snapshot

Quantinuum — formed in 2021 from Honeywell Quantum Solutions and Cambridge Quantum — develops trapped-ion quantum computers and quantum software, sold directly and through cloud partners. Its $60.00 Nasdaq listing raised about $1.68B gross. The prospectus frames competition on two fronts: large technology companies — Alphabet, Amazon, IBM and Microsoft — that compete across products, and quantum pure-plays it lists as peers, including IonQ, Rigetti, QuEra Computing and Atom Computing. After the offering, the Honeywell entities hold about 47.8% of the voting power and ~87.4% of the Common Units under an Up-C structure.

Listed
Jun 05, 2026
Raised
$1.68B
Sector
Quantum Computing · Deep Tech · Enterprise Software
Named rivals
11 in the S-1
Named in the S-1 11 named
Quantinuum
QNT · the filer
IBM
named 9×
Alphabet
named 8×
Microsoft
named 3×
Amazon
named 2×
IonQ
named 2×
Rigetti
named 2×
QuEra
named 1×
Atom Computing
named 1×
Alpine Computing
named 1×
PsiQuantum
named 1×
Xanadu
named 1×
The read

The quantum leader fights on two fronts: Big Tech — IBM, Alphabet, Microsoft, Amazon — named as product competitors, and the pure-play field — IonQ, Rigetti, QuEra, Atom, PsiQuantum — listed as peers. A $1.68B raise on trapped-ion technology still years from broad commercial scale, with Honeywell — its 2021 co-founder — still holding ~47.8% of the vote.

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Sources

Every figure on this page is drawn from these primary filings on SEC EDGAR.