IPO registrations (S-1, F-1) · Registrants
Quantinuum Inc.
- SEC CIK
- 2110105 · filings on EDGAR ↗
- Registration
- Form S-1, first filed 2026-05-08, last 2026-06-01; 1 initial registration, 2 amendments
- Outcome
- Final prospectus filed 2026-06-05; declared effective 2026-06-03
- Industry (SIC)
- Services-Computer Integrated Systems Design 7373
- Incorporated in
- DE
- Business address
- 303 S TECHNOLOGY COURT, Broomfield, CO
- Ticker
- QNT (Nasdaq)
- EDGAR entity type
- operating
- Insiders and CEO pay
- Quantinuum Inc. on the corporate pages
Offering terms
- Proposed price range
- $53.00–$55.00 per share (S-1/A filed 2026-06-01)
- Final price
- $60.00 per share, above the range (424B4 filed 2026-06-05, an initial public offering)
- Shares sold
- 28,000,000
- Gross proceeds
- $1,680,000,000 before underwriting discounts and any over-allotment option
- Listing
- Nasdaq under the symbol QNT
- Lead underwriters
- J.P. Morgan (8,114,452 shares); Morgan Stanley (8,114,452 shares); Jefferies (3,702,968 shares); Evercore (2,644,978 shares)
- Syndicate
- BofA Securities (1,414,736); UBS (1,414,736); Cantor Fitzgerald (471,578); Mizuho (471,578); Needham & Company (471,578); Societe Generale (471,578); Cowen; Craig-Hallum (117,894); Rosenblatt Securities (117,894); TD Securities (471,578)
Read from the cover pages of the filings listed under “Prospectus pages read” below; check the document for anything that matters.
On this site
- Business registration: Quantinuum LLC Fuzzy (name and state)
- Business registration: Quantinuum LLC Fuzzy (name and state)
- Business registration: Quantinuum LLC Fuzzy (name and state)
- Federal award recipient: QUANTINUUM LLC Fuzzy (name and state)
- Lobbying client: QUANTINUUM LLC Fuzzy (name and state)
- Lobbying client: QUANTINUUM LLC Fuzzy (name and state)
- Lobbying client: QUANTINUUM LLC Fuzzy (name and state)
- Lobbying client: QUANTINUUM LTD. Fuzzy (name and state)
- Lobbying registrant: QUANTINUUM LLC Fuzzy (name and state)
- SEC filer: Quantinuum Inc. EXACT (CIK (EXACT))
Filings 6
| Filed | Form | What it is | Name as filed | EDGAR |
|---|---|---|---|---|
| 2026-05-08 | S-1 | S-1 (registration) | Quantinuum Inc. | 0001628280-26-032836 ↗ |
| 2026-05-26 | S-1/A | S-1/A (amendment) | Quantinuum Inc. | 0001628280-26-037917 ↗ |
| 2026-06-01 | S-1/A | S-1/A (amendment) | Quantinuum Inc. | 0001628280-26-039286 ↗ |
| 2026-06-03 | S-1MEF | S-1MEF (added securities) | Quantinuum Inc. | 0001628280-26-040591 ↗ |
| 2026-06-03 | EFFECT | EFFECT (declared effective) | Quantinuum Inc. | 9999999995-26-001867 ↗ |
| 2026-06-05 | 424B4 | 424B4 (final prospectus) | Quantinuum Inc. | 0001628280-26-041003 ↗ |
Prospectus pages read 2
| Filed | Form | Read as | Range | Price | Shares | Proceeds | Listing | Underwriters | What was found | Document |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-01 | S-1/A | registration statement | $53.00–$55.00 | 26,500,000 | - | Nasdaq QNT | 13 | primary document; range, shares headline, cover names 13 | document ↗ | |
| 2026-06-05 | 424B4 | final prospectus | $60.00 | 28,000,000 | $1,680,000,000 | Nasdaq QNT | 14 | primary document; price sentence, shares headline, proceeds table, underwriting table 13, cover names 13 | document ↗ |
Officers, directors and large holders Forms 3, 4 and 5
| Insider | Role | Title | Filings | Years | On this site |
|---|---|---|---|---|---|
| Barron Hal | Director | 2 | 2026 | ||
| BHATIA MANISH H | Director | 2 | 2026 | ||
| Branderiz Eric | Director | 2 | 2026 | ||
| Cambridge Quantum Holdings Ltd | TenPercentOwner | 1 | 2026 | ||
| CQ Invest I LLC | TenPercentOwner | 1 | 2026 | ||
| Daugherty Paul R. | Director | 2 | 2026 | ||
| Dehoff Kevin Scott | Officer | Chief Strategy Officer | 2 | 2026 | |
| DENMAN KENNETH D | Director | 2 | 2026 | ||
| Hazra Rajeeb | Director,Officer | President & CEO | 2 | 2026 | |
| Honeywell Holdings International Inc. | TenPercentOwner | 1 | 2026 | ||
| HONEYWELL INTERNATIONAL INC | TenPercentOwner | 1 | 2026 | ||
| JIMENEZ JOSEPH | Director | 2 | 2026 | ||
| Kapur Vimal | Director | 2 | 2026 | ||
| Khan Ilyas | TenPercentOwner | 1 | 2026 | ||
| Narang Prineha | Director | 2 | 2026 | ||
| SHARAN NITESH | Officer | Chief Financial Officer | 2 | 2026 | |
| Shiraz Waseem | TenPercentOwner | 1 | 2026 | ||
| Stack Lawrence Joseph | Officer | Chief Commercial Officer | 1 | 2026 | |
| Stepniak Michal | Director | 2 | 2026 | ||
| Schulman Robin | Officer | CLO & Corporate Secretary | 3 | 2026 | |
| O'Byrne Rory Gordon | Officer | Chief HR Officer | 1 | 2026 |
Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.
Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.