QNT at a glance
Quantinuum Inc (QNT, SEC CIK 2110105) filed a 10-Q quarterly report on August 13, 2026, an 8-K current report on September 8, 2026 and Form 4 insider filings as recently as July 22, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- As of June 30, 2026, 27 institutional investment managers tracked by SignalX reported holding Quantinuum Inc (QNT) shares worth $812.0 million in 13F-HR filings.
- The most recent insider open-market purchase reported on Form 4 was by JIMENEZ JOSEPH on June 5, 2026 of 66,665 shares at $60.00 per share.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 27 funds
- $812.0M
- Latest 10-Q
- Aug 13, 2026
- Quarterly report
SignalX for QNT
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- Fund moves. Which tracked funds opened, added or cut QNT, by share count.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Schulman Robin | A | Jul 17, 2026 | 78,125 | - |
| Schulman Robin | A | Jul 17, 2026 | 125,000 | - |
| JIMENEZ JOSEPH | Buy | Jun 5, 2026 | 66,665 | $60.00 |
| SHARAN NITESH | Buy | Jun 5, 2026 | 6,500 | $60.00 |
| Daugherty Paul R. | Buy | Jun 5, 2026 | 4,000 | $60.00 |
| BHATIA MANISH H | Buy | Jun 5, 2026 | 20,000 | $60.00 |
| Narang Prineha | Buy | Jun 5, 2026 | 200 | $60.00 |
| Kapur Vimal | Buy | Jun 5, 2026 | 13,000 | $60.00 |
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate QNT share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 27 | $812.0M |
Source: 13F-HR filings on SEC EDGAR (aggregated from 27 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
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QNT SEC filings: frequently asked questions
Which institutions hold QNT stock?
As of June 30, 2026, the largest Quantinuum Inc (QNT) holders among the 13F filers tracked by SignalX were Citadel Advisors LLC ($188.0 million), BlackRock ($184.7 million), Vanguard Portfolio Management LLC ($84.1 million), Vanguard Capital Management LLC ($77.6 million), FMR LLC (Fidelity) ($52.5 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What are the latest QNT SEC filings?
Quantinuum Inc (QNT) filed a 10-Q quarterly report on August 13, 2026, an 8-K current report on September 8, 2026 and a Form 4 insider filing on July 22, 2026.
What is QNT's SEC CIK number?
Quantinuum Inc (QNT)'s SEC Central Index Key (CIK) is 2110105. EDGAR lists every QNT filing under that number.
Ask anything about QNT
The research agent reads QNT's filings, financials, insider trades and 13F holders, then answers with sources.