Quantinuum SEC Filings
NASDAQ: QNTTechnologyEDP ServicesUSD
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At close: Oct 9, 4:00 PM ET · Delayed 15 min
Quantinuum filing overview
This page lists 26 recent SEC filings by Quantinuum (QNT), including 13 4, 5 SCHEDULE 13G, 2 8-K, 2 S-1/A. The most recent quarterly report (10-Q) was filed on Aug 13, 2026. The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 8, 2026.
Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
QNT SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 6, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Sep 8, 2026 | 8-K | Entry into a Material Definitive Agreement; Unregistered Sales of Equity Securities; Regulation FD Disclosure | View on EDGAR |
| Aug 13, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Aug 12, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Aug 11, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Jul 22, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 17, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jul 6, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jun 22, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 5, 2026 | 424B4 | Prospectus | View on EDGAR |
| Jun 1, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| May 26, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| May 8, 2026 | S-1 | Registration statement | View on EDGAR |