Security Snapshot

Quantinuum Inc. - Class A Common Stock, par value $0.0001 per share (QNT) Institutional Ownership

CUSIP: 74768A104

13F Institutional Holders and Ownership History for Q2 2026

Latest Period

Q2 2026

Institutions Reporting

173

Shares (Excl. Options)

34,003,839

Price

$81.74

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+33,619,483
Value change
+$2,743,983,265
Number of holders
173
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
157,558,444
SEC-reported price per share
$51.55
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • QNT - Quantinuum Inc. - Class A Common Stock, par value $0.0001 per share is tracked under CUSIP 74768A104.
  • 173 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Latest quarter on this page is Q2 2026.
  • Additional quarter-over-quarter change detail appears as history expands.

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

Latest holder context comes from 173 institutions filings for Q2 2026.

Open SEC evidence

Security key

74768A104

Latest holder period

Q2 2026

13F holders

173

13D/G owners

5

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
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
BlackRock Portfolio Management LLC 6.9% $184,679,024 2,259,347 BlackRock Portfolio Management LLC 30 Jun 2026
Capital Research Global Investors 5.3% $123,592,196 1,754,325 Capital Research Global Investors 30 Jun 2026

As of 30 Jun 2026, 173 institutional investors reported holding 34,003,839 shares of Quantinuum Inc. - Class A Common Stock, par value $0.0001 per share (QNT). This represents 22% of the company’s total 157,558,444 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
16%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Capital World Investors 2.9% 4,558,976 0.04% $372,650,698
CITADEL ADVISORS LLC 1.5% 2,299,997 0.11% $188,001,755
BlackRock, Inc. 1.4% 2,259,347 0% $184,679,022
Capital Research Global Investors 1.1% 1,754,325 0.02% $143,398,526
Defiance ETFs, LLC 0.77% 1,215,283 1.3% $95,290,340
Penserra Capital Management LLC 0.76% 1,200,176 0.75% $98,102,000
WELLINGTON MANAGEMENT GROUP LLP 0.72% 1,130,639 0.02% $92,418,432
VANGUARD PORTFOLIO MANAGEMENT LLC 0.65% 1,028,382 0% $84,059,945
Capital International Investors 0.61% 961,428 0.02% $78,587,125
VANGUARD CAPITAL MANAGEMENT LLC 0.6% 949,283 0% $77,594,392
Balyasny Asset Management L.P. 0.52% 821,918 0.12% $67,183,577
ALLIANCEBERNSTEIN L.P. 0.5% 789,326 0.02% $64,519,507
VOYA INVESTMENT MANAGEMENT LLC 0.44% 691,437 0.05% $56,518,060
FIL Ltd 0.42% 666,766 0.04% $54,501,452
FMR LLC 0.41% 642,800 0% $52,542,472
NORGES BANK 0.36% 564,000 0% $46,101,360
FRANKLIN RESOURCES INC 0.35% 545,323 0.01% $44,574,722
Shannon River Fund Management LLC 0.3% 469,355 3.4% $38,365,078
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.29% 463,913 0.01% $37,920,249
Mubadala Investment Co PJSC 0.29% 449,500 0.11% $36,742,130
PRINCIPAL FINANCIAL GROUP INC 0.28% 440,079 0.02% $35,972,056
FEDERATED HERMES, INC. 0.25% 393,800 0.05% $32,189,212
MARSHALL WACE, LLP 0.25% 392,637 0.03% $32,094,149
Jupiter Topco LLC 0.24% 384,356 0% 0.01% $31,417,259
Bank of New York Mellon Corp 0.24% 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
1
Latest
Q2 2026
Rows shown
1-1 of 1
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 34,003,839 $2,775,400,524 +$2,743,983,265 $81.74 173
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