Quantinuum Inc. (QNT)

NASDAQ · Software & IT Services · Services-Computer Integrated Systems Design

Price

$50.11

Day

-2.49%

Market cap

$1.7B

Close 2026-09-23.

Institutional holders

Largest positions reported on Form 13F for the quarter ended 2026-06-30, by value.

• Capital World Investors — $372.65M
• CITADEL ADVISORS LLC — $188M
• Capital Research Global Investors — $143.4M
• Defiance ETFs, LLC — $95.29M
• VANGUARD PORTFOLIO MANAGEMENT LLC — $84.06M
• BlackRock, Inc. — $83.48M
• Capital International Investors — $78.59M
• VANGUARD CAPITAL MANAGEMENT LLC — $77.59M

Insider trades

Open-market buys and sales filed on Form 4, newest first. Grants, option exercises and tax withholding are left out.

• Narang Prineha (Director) bought 200 shares at $60.00 on 2026-06-05
• JIMENEZ JOSEPH (Director) bought 66,665 shares at $60.00 on 2026-06-05
• SHARAN NITESH (Chief Financial Officer) bought 6,500 shares at $60.00 on 2026-06-05
• Barron Hal (Director) bought 250,000 shares at $60.00 on 2026-06-05
• Branderiz Eric (Director) bought 8,334 shares at $60.00 on 2026-06-05
• Kapur Vimal (Director) bought 13,000 shares at $60.00 on 2026-06-05

Recent filings

• 8-K — 2026-09-08
• 10-Q — 2026-08-13
• SCHEDULE 13G — 2026-08-13
• SCHEDULE 13G — 2026-08-12
• 8-K — 2026-08-11
• 3 — 2026-07-27
• 4/A — 2026-07-22
• 4 — 2026-07-21
• 3 — 2026-07-21
• SCHEDULE 13G — 2026-07-17