13F reference period
Q2 2026
Security Snapshot
Quantinuum Inc. - Class A Stock (QNT) Institutional Ownership
CUSIP: 74768A104
13F Institutional Holders and Ownership History from Q2 2026 to Q3 2026
Institutions Reporting
174
Shares (Excl. Options)
34M
Full value: 33,998,924 · shares · 30 Jun 2026Price
$81.74
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Class A Stock
- Symbol
- QNT on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 33,998,924
- Total 13F value
- $2,774,998,773
- Portfolio coverage rank
- 0%
- Share change
- +33,614,568
- Value change
- +$2,743,581,514
- Number of holders
- 174
- Shares outstanding
- 36,987,978
- SEC-reported price per share
- $36.76
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- QNT - Quantinuum Inc. - Class A Stock is tracked under CUSIP 74768A104.
- 174 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- The headline uses Q2 2026 reported holdings.
- Quarter-over-quarter comparison is unavailable because the immediately preceding quarter is missing.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 174 institutions filings for Q2 2026.
Security key
74768A104
13F reference period
Q2 2026
13F holders
174
13D/G owners
6
CIK / CUSIP context first
Open Q2 2026 holders
QNT full holder history
Quantinuum Inc. SEC filings
Quantinuum Inc. company facts
Quantinuum Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 74768A104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
QNT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| HONEYWELL INTERNATIONAL INC | 79% | $8,780,093,958 | 124,628,729 | Honeywell International Inc. | 30 Jun 2026 | |||
| Cambridge Quantum Holdings Ltd | 72% | 83,365,334 | Ilyas Khan | 04 Jun 2026 | ||||
| Capital World Investors | 14% | $257,536,554 | 4,558,976 | Capital World Investors | 30 Jun 2026 | |||
| CITADEL ADVISORS LLC | 7.3% | $115,508,702 | 2,403,427 | Kenneth Griffin | 30 Jun 2026 | |||
| Capital Research Global Investors | 5.3% | $123,592,196 | 1,754,325 | Capital Research Global Investors | 30 Jun 2026 | |||
| BlackRock Portfolio Management LLC | 4.5% | -34% | $79,993,900 | -$28,590,317 | 1,664,459 | -26% | BlackRock Portfolio Management LLC | 30 Sep 2026 |
As of 30 Jun 2026,
174
institutional investors reported holding
shares of
Quantinuum Inc. - Class A Stock (QNT).
This represents
92%
of the company’s total
outstanding shares.
34M
Full value: 33,998,924 · shares · 30 Jun 202636.99M
Full value: 36,987,978 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Capital World Investors | 12% | 4,558,976 | 0.04% | $372,650,698 | |
| CITADEL ADVISORS LLC | 6.2% | 2,299,997 | 0.11% | $188,001,755 | |
| BlackRock, Inc. | 6.1% | 2,259,347 | 0% | $184,679,022 | |
| Capital Research Global Investors | 4.7% | 1,754,325 | 0.02% | $143,398,526 | |
| Defiance ETFs, LLC | 3.3% | 1,215,283 | 1.3% | $95,290,340 | |
| Penserra Capital Management LLC | 3.2% | 1,200,176 | 0.75% | $98,102,000 | |
| WELLINGTON MANAGEMENT GROUP LLP | 3.1% | 1,130,639 | 0.02% | $92,418,432 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.8% | 1,028,382 | 0% | $84,059,945 | |
| Capital International Investors | 2.6% | 961,428 | 0.02% | $78,587,125 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.6% | 949,283 | 0% | $77,594,392 | |
| Balyasny Asset Management L.P. | 2.2% | 821,918 | 0.12% | $67,183,577 | |
| ALLIANCEBERNSTEIN L.P. | 2.1% | 789,326 | 0.02% | $64,519,507 | |
| VOYA INVESTMENT MANAGEMENT LLC | 1.9% | 691,437 | 0.05% | $56,518,060 | |
| FIL Ltd | 1.8% | 666,766 | 0.04% | $54,501,452 | |
| FMR LLC | 1.7% | 642,800 | 0% | $52,542,472 | |
| NORGES BANK | 1.5% | 564,000 | 0% | $46,101,360 | |
| FRANKLIN RESOURCES INC | 1.5% | 545,323 | 0.01% | $44,574,722 | |
| Shannon River Fund Management LLC | 1.3% | 469,355 | 3.4% | $38,365,078 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.3% | 463,913 | 0.01% | $37,920,249 | |
| Mubadala Investment Co PJSC | 1.2% | 449,500 | 0.11% | $36,742,130 | |
| PRINCIPAL FINANCIAL GROUP INC | 1.2% | 440,079 | 0.02% | $35,972,056 | |
| FEDERATED HERMES, INC. | 1.1% | 393,800 | 0.05% | $32,189,212 | |
| MARSHALL WACE, LLP | 1.1% | 392,637 | 0.03% | $32,094,149 | |
| Jupiter Topco LLC | 1% | 384,356 | 0% | 0.01% | $31,417,259 |
| Bank of New York Mellon Corp | 1% | 377,133 | 0.01% | $30,826,825 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Headline period
Q2 2026
Rows shown
1-2 of 2