Who Owns QUANTINUUM INC (QNT)? -- Institutional Holders (2026-06-30)
174 institutions reported holding $2.84B of QUANTINUUM INC (QNT) in SEC 13F filings for 2026-06-30. Largest institutional holders: Capital World Investors ($372.7M), CITADEL ADVISORS LLC ($199.1M), BlackRock, Inc. ($184.7M), VANGUARD GROUP INC ($164.8M), Capital Research Global Investors ($143.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Capital World Investors | $372.7M | 4.6M | New |
| 2 | CITADEL ADVISORS LLC | $199.1M | 2.4M | New |
| 3 | BlackRock, Inc. | $184.7M | 2.3M | New |
| 4 | VANGUARD GROUP INC | $164.8M | 2.0M | New |
| 5 | Capital Research Global Investors | $143.4M | 1.8M | New |
| 6 | Penserra Capital Management LLC | $98.1M | 1.2M | New |
| 7 | Defiance ETFs, LLC | $95.3M | 1.2M | New |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | $92.4M | 1.1M | New |
| 9 | Capital International Investors | $78.6M | 961,428 | New |
| 10 | Balyasny Asset Management L.P. | $67.2M | 821,918 | New |
| 11 | ALLIANCEBERNSTEIN L.P. | $64.5M | 789,326 | New |
| 12 | Voya Investment Management LLC | $56.5M | 691,437 | New |
| 13 | FIL Ltd | $54.5M | 666,766 | New |
| 14 | FMR LLC | $52.5M | 642,800 | New |
| 15 | NORGES BANK | $46.1M | 564,000 | New |
| 16 | FRANKLIN RESOURCES INC | $44.6M | 545,323 | New |
| 17 | Shannon River Fund Management LLC | $38.4M | 469,355 | New |
| 18 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $37.9M | 463,913 | New |
| 19 | Mubadala Investment Co PJSC | $36.7M | 449,500 | New |
| 20 | PRINCIPAL FINANCIAL GROUP INC | $36.0M | 440,079 | New |
| 21 | FEDERATED HERMES, INC. | $32.2M | 393,800 | New |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $32.1M | 393,047 | New |
| 23 | MARSHALL WACE, LLP | $32.1M | 392,637 | New |
| 24 | Jupiter Topco LLC | $31.4M | 384,356 | New |
| 25 | Bank of New York Mellon Corp | $30.8M | 377,133 | New |
Source: SEC Form 13F filings · as of 2026-06-30