Quantinuum Inc. - Class A common stock, par value $0.0001 per share (the "Shares") (QNT)

Q: What does CUSIP 74768A104 represent in this 13F holders report?

CUSIP 74768A104 is the security identifier for QNT - Quantinuum Inc. - Class A common stock, par value $0.0001 per share (the "Shares") used to aggregate holder disclosures.

Q: How many institutions held QNT - Quantinuum Inc. - Class A common stock, par value $0.0001 per share (the "Shares") in Q3 2026?

5 institutional investors reported QNT - Quantinuum Inc. - Class A common stock, par value $0.0001 per share (the "Shares") for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: 74768A104

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Class A common stock, par value $0.0001 per share (the "Shares")
Total 13F shares: 11,953
Total 13F value: $574,462
Share change: +11,953
SEC-reported price per share: $48.06
Number of holders: 5
Value change: +$574,462
Number of buys: 5
Shares outstanding: 32,923,658

Security key

74768A104

Report period

Q3 2026

Institutions

Top holders

QNT full security history Ownership snapshot Full 13F holder table Quantinuum Inc. SEC filings Quantinuum Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 74768A104

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of QNT - Quantinuum Inc. - Class A common stock, par value $0.0001 per share (the "Shares") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

HONEYWELL INTERNATIONAL INC

Disclosed value leader

HONEYWELL INTERNATIONAL INC

Comparable rows

15/15

Latest evidence

17 Jul 2026

13D/G 3/4/5 13F Lead comparable stake: 79% 13D/G row: HONEYWELL INTERNATIONAL INC Showing 1-6 of 15 holder rows.

Quick read

HONEYWELL INTERNATIONAL INC leads the comparable SEC ownership view at 79%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens HONEYWELL INTERNATIONAL INC's linked filing trail.

Comparable ownership Top 5

HONEYWELL INTERNATIONAL INC 79%

Cambridge Quantum Holdings Ltd 72%

Capital World Investors 14%

CITADEL ADVISORS LLC 7.3%

BlackRock Portfolio Management LLC 6.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
HONEYWELL INTERNATIONAL INC	13D/G 3/4/5 10%+ Owner 13D/G 3/4/5	79%	$8,780,093,958 124,628,729 shares	$0	30 Jun 2026
Cambridge Quantum Holdings Ltd	3/4/5 13D/G 10%+ Owner · Ilyas Khan 3/4/5 13D/G	72% from 13D/G	— 82,911,824 shares mixed-class rows	—	04 Jun 2026
Capital World Investors	13F 13D/G Company 13F 13D/G	14% from 13D/G	$372,650,698 4,558,976 shares	—	30 Jun 2026
CITADEL ADVISORS LLC	13F 13D/G Company · Kenneth Griffin 13F 13D/G	7.3% from 13D/G	$188,001,755 2,299,997 shares	—	30 Jun 2026
BlackRock Portfolio Management LLC	13D/G 13D/G	6.9%	$184,679,024 2,259,347 shares	$0	30 Jun 2026
Capital Research Global Investors	13F 13D/G Company 13F 13D/G	5.3% from 13D/G	$143,398,526 1,754,325 shares	—	30 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

11,953

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders

174

Q3 2026 holders

Holder diff

-169

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend