Quantinuum
QNT · NASDAQ
Who owns QNT
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 6.2% of QNT’s shares.
- Capital World Investors1.7%
- Citadel Advisors LLC0.9%
- Capital Research Global Investors0.7%
- Defiance ETFs, LLC0.5%
- Next 6 largest institutions2.4%
- All other shareholders93.8%
| Holder | Shares | % of shares |
|---|---|---|
| Capital World Investors | 4.56M | 1.75% |
| Citadel Advisors LLC | 2.30M | 0.88% |
| Capital Research Global Investors | 1.75M | 0.67% |
| Defiance ETFs, LLC | 1.22M | 0.47% |
| Penserra Capital Management LLC | 1.20M | 0.46% |
| Wellington Management Company, LLP | 1.13M | 0.43% |
| BlackRock Institutional Trust Company, N.A. | 1.11M | 0.43% |
| Vanguard Portfolio Management, LLC | 1.03M | 0.39% |
| Capital International Investors | 961.43K | 0.37% |
| Vanguard Capital Management, LLC | 949.28K | 0.36% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| American Funds Insurance Series Asset Allocation Fund | 1.91M | 0.73% |
| American Funds Growth Fund of America | 1.76M | 0.68% |
| Defiance Quantum ETF | 1.19M | 0.46% |
| iShares AI Innovation and Tech Active ETF | 985.13K | 0.38% |
| Vanguard Total Stock Market Index Fund | 889.71K | 0.34% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $24.66M (11 trades) of QNT on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Schulman Robin | Award | 125.00K | — |
| Schulman Robin | Award | 78.13K | — |
| Dehoff Kevin Scott | Buy | 15.00K | $900.00K |
| Daugherty Paul R. | Buy | 4.00K | $240.00K |
| Narang Prineha | Buy | 200 | $12.00K |
| Stepniak Michal | Buy | 13.33K | $799.98K |
| SHARAN NITESH | Buy | 6.50K | $390.00K |
| Kapur Vimal | Buy | 13.00K | $780.00K |
| BHATIA MANISH H | Buy | 20.00K | $1.20M |
| Barron Hal | Buy | 250.00K | $15.00M |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Cleo FieldsHouse | Purchase | $1K–$15K | Jun 4, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.34M
- Days to cover
- 2.38
- % of shares outstanding
- 2.05%
- Average daily volume
- 2.24M
- Change since last report
- +43.7%
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