Stocks › QNT
Quantinuum Inc.
QNT·Nasdaq·
United States·USD
United States·USD$45.59
+0.06 (+0.13%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
QNT
Quantinuum Inc. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
QNTS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of QNT by members of U.S. Congress · 1 on record · 1 in the last 12 months
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Cleo FieldsHouse · D · LA |
QNTQuantinuum Inc. · Stock |
Purchase $1,001 - $15,000 |
Jun 26, 2026 | Jun 4, 2026 | Filing ↗ |
Whale Activity
Position changes in QNT reported for 2026-06-30 by 6 tracked institutional filers
- Increased0
- New6
- Held0
- Decreased0
- Closed0
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| CITADEL ADVISORS LLC | 2.3M | $188.0M | new |
| BlackRock, Inc. | 2.3M | $184.7M | new |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.0M | $84.1M | new |
| VANGUARD CAPITAL MANAGEMENT LLC | 949.3K | $77.6M | new |
| D. E. Shaw & Co., Inc. | 155.0K | $12.7M | new |
| MILLENNIUM MANAGEMENT LLC | 107.7K | $8.8M | new |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by QNT insiders, by quarter · Form 4
Recent Insider Transactions
24 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Narang PrinehaDirector | Purchase | +200 | $60.00 | $12K | Jun 5, 2026 | Form 4 ↗ |
| JIMENEZ JOSEPHDirector | Purchase | +66.7K | $60.00 | $4.0M | Jun 5, 2026 | Form 4 ↗ |
| SHARAN NITESHChief Financial Officer | Purchase | +6,500 | $60.00 | $390K | Jun 5, 2026 | Form 4 ↗ |
| Barron HalDirector | Purchase | +250.0K | $60.00 | $15.0M | Jun 5, 2026 | Form 4 ↗ |
| Branderiz EricDirector | Purchase | +8,334 | $60.00 | $500K | Jun 5, 2026 | Form 4 ↗ |
| Kapur VimalDirector | Purchase | +13.0K | $60.00 | $780K | Jun 5, 2026 | Form 4 ↗ |
| Stepniak MichalDirector | Purchase | +13.3K | $60.00 | $800K | Jun 5, 2026 | Form 4 ↗ |
| Dehoff Kevin ScottChief Strategy Officer | Purchase | +15.0K | $60.00 | $900K | Jun 5, 2026 | Form 4 ↗ |
| Daugherty Paul R.Director | Purchase | +4,000 | $60.00 | $240K | Jun 5, 2026 | Form 4 ↗ |
| DENMAN KENNETH DDirector | Purchase | +14.0K | $60.00 | $840K | Jun 5, 2026 | Form 4 ↗ |
| BHATIA MANISH HDirector | Purchase | +20.0K | $60.00 | $1.2M | Jun 5, 2026 | Form 4 ↗ |
| Narang PrinehaDirector | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| JIMENEZ JOSEPHDirector | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| SHARAN NITESHChief Financial Officer | Grant / award | +44.5K | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| Barron HalDirector | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| Branderiz EricDirector | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| Daugherty Paul R.Director | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| DENMAN KENNETH DDirector | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| BHATIA MANISH HDirector | Grant / award | +5,833 | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
| Hazra RajeebPresident & CEO · Director | Grant / award | +78.3K | $0.00 | $0 | Jun 4, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding QNT · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Asset Allocation Fund AMERICAN FUNDS INSURANCE SERIES | 1.9M | $156.3M | 0.55% | Jun 30, 2026 |
| Defiance Quantum ETF ETF Series Solutions | 1.2M | $98.1M | 1.57% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 888.3K | $72.6M | 0.00% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 639.8K | $52.3M | 0.03% | Jun 30, 2026 |
| iShares A.I. Innovation and Tech Active ETF BlackRock ETF Trust | 973.3K | $50.0M | 0.39% | Jul 31, 2026 |
| American Funds Global Balanced Fund | 822.2K | $42.3M | 0.13% | Jul 31, 2026 |
| VANGUARD EXPLORER FUND | 550.2K | $28.3M | 0.13% | Jul 31, 2026 |
| Growth Fund AMERICAN FUNDS INSURANCE SERIES | 296.9K | $24.3M | 0.04% | Jun 30, 2026 |
| WisdomTree Quantum Computing Fund WisdomTree Trust | 287.7K | $23.5M | 7.16% | Jun 30, 2026 |
| AB DISCOVERY GROWTH FUND, INC. | 278.0K | $22.7M | 0.78% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list QNT's shares (CUSIP 74768A104), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Kenneth GriffinSCHEDULE 13G · passive (13G) · 2.4M shares7.3%
Oct 6, 2026 · ↗ - Citadel Securities GP LLCSCHEDULE 13G · passive (13G) · 103.4K shares0.3%
Oct 6, 2026 · ↗ - Citadel Securities Group LPSCHEDULE 13G · passive (13G) · 103.4K shares0.3%
Oct 6, 2026 · ↗ - Citadel Securities LLCSCHEDULE 13G · passive (13G) · 103.4K shares0.3%
Oct 6, 2026 · ↗ - Citadel GP LLCSCHEDULE 13G · passive (13G) · 2.3M shares7.0%
Oct 6, 2026 · ↗ - Citadel Advisors Holdings LPSCHEDULE 13G · passive (13G) · 2.3M shares7.0%
Oct 6, 2026 · ↗ - Citadel Advisors LLCSCHEDULE 13G · passive (13G) · 2.3M shares7.0%
Oct 6, 2026 · ↗ - Honeywell Holdings International Inc.SCHEDULE 13G · passive (13G) · 28.6M shares46.6%
Aug 13, 2026 · ↗ - Honeywell International Inc.SCHEDULE 13G · passive (13G) · 124.6M shares79.1%
Aug 13, 2026 · ↗ - Capital Research Global InvestorsSCHEDULE 13G · passive (13G) · 1.8M shares5.3%
Aug 12, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming quantinuum as client
- QUANTINUUM LLCQUANTINUUM LLC · 2026 Q2 · TRD$225K
Filing ↗ - PILLSBURY WINTHROP SHAW PITTMAN LLPQUANTINUUM LLC · 2026 Q2—
Filing ↗ - GUIDEPOSTSTRATEGIES, LLCQUANTINUUM LLC · 2026 Q2 · SCI$60K
Filing ↗ - BROWNSTEIN HYATT FARBER SCHRECK, LLPQUANTINUUM · 2026 Q2 · SCI$80K
Filing ↗ - KING & SPALDING LLPQUANTINUUM LLC · 2026 Q2—
Filing ↗
Government Contracts
Federal awards to Quantinuum Inc. · USAspending
No federal contract awards found for Quantinuum Inc..
U.S. Patents
Recent USPTO applications naming Quantinuum Inc.
No USPTO patent applications found for Quantinuum Inc..
Annual Financials
From QNT's 10-K filings · XBRL
No annual XBRL figures on record for QNT. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in QNT's price history.
About Quantinuum Inc.
From SEC EDGAR company records
Industry (SIC 7373)Services-Computer Integrated Systems Design
SectorTechnology
HeadquartersBROOMFIELD, CO
IncorporatedDE
SEC CIK0002110105 ↗