Quantum Computing (QUBT)Defiance ETFs, LLC added to its stake +1.32M shares

4.5M

Shares reported · +1.32M vs prior quarter

0.44%

Disclosed portfolio weight

$30.8M

Reported value

Holdings as of

Mar 31, 2026

Filed

May 15, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Feb 2, 2026Company filing · Form 8-K · Acquisition or saleCompleted buying or selling a business or assets“This amendment No. 1 to Current Report on Form 8-K amends the Current Report on Form 8-K filed by Quantum Computing Inc. (the “Company”) with the Securities Exchange Commission (“SEC”) on February 3, 2026, (the “Original Report”).”
2. May 11, 2026Company filing · Form 8-K · ResultsReported its results

What came next

1. Jun 22, 2026Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement (and 1 more item)“On June 22, 2026, the Company completed the acquisition of all of the issued and outstanding shares of common stock of NHanced pursuant to the terms of the Stock Purchase Agreement.”
2. Jun 24, 2026Company filing · Form 8-K · Shareholder rights, Executive changeChanged a top executive or board member, and changed the rights of its shareholders (and 2 more items)“On June 24, 2026, at the 2026 Annual Meeting of Stockholders (the “Annual Meeting”) of Quantum Computing Inc. (the “Company”), the Company’s stockholders approved an amendment (the “Plan Amendment”) to the Company’s 2022 Equity and Incentive Plan (as amended, the “Plan”).”
3. Jul 17, 2026Company filing · Form 8-K · Executive change, Other newsChanged a top executive or board member, and reported other company news“On July 17, 2026, Dr. Pouya Dianat ceased serving as the Company’s Chief Revenue Officer and transitioned to the newly created role of Chief Product Officer, effective immediately, focusing on product development.”
4. Aug 10, 2026Company filing · Form 8-K · ResultsReported its results

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Quantum Computing

For Quantum Computing, OQRO holds 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its QUBT page.

How this filing works

• SEC Form 13F

Other disclosures at Quantum Computing

• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRFeb 17, 2026
• SEC Form 13F-HRFeb 13, 2026
• SEC Form 13F-HRDec 1, 2025
• SEC Form 13F-HRNov 17, 2025
• SEC Form 4Sep 17, 2025

Everything OQRO holds on this company is on its QUBT page.