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Honeywell International Inc., through itself and subsidiary Honeywell Holdings International Inc., reports beneficial ownership of Quantinuum Inc. Class A common stock as of June 30, 2026. Honeywell International beneficially owns 124,628,729 shares, representing 79.1% of Quantinuum’s Class A common stock, based on 32,862,895 shares outstanding at completion of Quantinuum’s June 5, 2026 initial public offering and assuming redemption of related LLC units into Class A shares.
The position includes 95,998,655 shares underlying units over which Honeywell International has sole voting and dispositive power and 28,630,074 shares over which voting and dispositive power is shared with Honeywell Holdings International. Honeywell Holdings International separately reports beneficial ownership of 28,630,074 shares, equal to 46.6% of the Class A common stock, all with shared voting and dispositive power.
Quantinuum Inc. (QNT) completed a transformative IPO on June 5, 2026, issuing 28,500,000 Class A shares at $60.00 per share and raising about $1.63 billion in net proceeds, which were used to purchase an equivalent number of Common Units in Quantinuum Holdings. This, along with related reorganization steps, created an Up‑C structure in which Quantinuum Inc. owns 13.7% of Quantinuum Holdings and Continuing Common Unitholders own 86.3%, reflected as a large non‑controlling interest.
For the six months ended June 30, 2026, revenue was $13.2 million, down from $21.2 million a year earlier, largely because 2025 included $16.5 million of sales‑type lease hardware revenue recognized at a point in time. Operating expenses rose sharply, driven by $447.5 million of stock‑based compensation recorded upon and after the IPO, pushing the net loss to $733.1 million, of which $65.4 million is attributable to Quantinuum Inc. Cash and cash equivalents increased to $2.11 billion, after $1.51 billion of net cash provided by financing activities, against $129.1 million used in operations and $39.2 million of capital expenditures. The company reports remaining performance obligations of $74.2 million and continues to invest heavily in R&D to develop its full‑stack quantum computing platform.
Capital Research Global Investors, a division of Capital Research and Management Company and its investment management affiliates, reported beneficial ownership of 1,754,325 shares of Quantinuum Inc. common stock. This represents 5.3% of the 32,862,895 shares believed to be outstanding.
Capital Research Global Investors reports sole voting and dispositive power over all 1,754,325 shares, with no shared voting or dispositive power.
Quantinuum Inc. reported strong top-line growth but deep losses for the quarter ended June 30, 2026. Revenue was $8 million, up 279% year-over-year from $2 million, driven by accelerating commercial activity. Despite this, profitability remains challenged: GAAP net loss was $597 million, compared with $57 million a year earlier, and Adjusted EBITDA loss was $68 million versus a $43 million loss in the prior-year quarter. GAAP gross margin improved to (64.4)%, a 27-point improvement, while Adjusted gross margin was 61.7%. The company completed a traditional IPO, raising $1.7 billion in gross proceeds, contributing to $2.1 billion in cash and short-term investments as of June 30, 2026, providing significant funding for its roadmap.
Management issued initial full-year 2026 guidance, expecting revenue of $28–$32 million, indicating continued growth from the current run-rate. Strategically, Quantinuum announced a multi-year partnership with Oracle to deploy its Helios trapped-ion quantum computer as a managed service on Oracle Cloud Infrastructure, supporting hybrid quantum-AI workloads and expanding enterprise and research access to its platform.
Quantinuum Inc. Chief HR Officer Rory Gordon O'Byrne filed an initial statement of beneficial ownership reporting 167,191 restricted stock units (RSUs) linked to Class A Common Stock. Each RSU represents a contingent right to receive one share, vesting under the applicable grant agreement, and no buy or sell transactions are reported.
Schulman Robin reported acquisition or exercise transactions in this Form 4 filing.
Quantinuum Inc. updated an insider equity award for its CLO & Corporate Secretary, Robin Schulman. On July 17, 2026, Schulman received a grant of 125,000 restricted stock units (RSUs), each representing a contingent right to one share of Class A Common Stock, vesting under the applicable grant agreement. Following this award, Schulman directly holds 125,000 shares/RSUs reported in this filing.
Schulman Robin reported acquisition or exercise transactions in this Form 4 filing.
Quantinuum Inc. reported that its CLO & Corporate Secretary, Robin Schulman, received an equity award on July 17, 2026. Schulman was granted 78,125 restricted stock units (RSUs), each representing a contingent right to receive one share of Class A Common Stock. Following this grant, Schulman is reported as directly holding 78,125 shares/RSUs, which will vest according to the applicable grant agreement.
Quantinuum Inc. filed an initial Form 3 identifying Robin Schulman, the company’s CLO & Corporate Secretary, as a reporting insider. The filing reports no stock transactions, derivative activities, or holdings entries in the structured data for Schulman at the time of this report.
BlackRock Portfolio Management LLC reports beneficial ownership of Class A Stock of INC CLASS A on a Schedule 13G. The firm beneficially owns 2,259,347 shares, representing 6.9% of the outstanding Class A Stock. Of these, it has sole power to vote 2,118,996 shares and sole power to dispose of 2,259,347 shares, with no shared voting or dispositive power. Various underlying clients have rights to dividends or sale proceeds, but no individual client holds more than five percent of the total outstanding common shares.
Quantinuum Inc. reports that Capital World Investors holds 4,558,976 shares of Common Stock, representing 13.9% of the company as of 06/30/2026. The filing states the 4,558,976 shares reflect sole voting and dispositive power. The filing cites 32,862,895 shares believed to be outstanding as context.