Quantinuum Ownership | Who Owns Quantinuum?
Quantinuum Ownership Summary
Quantinuum is owned by 98.09% institutional investors, 7.21% insiders. Capital world investors is the largest institutional shareholder, holding 13.15% of QNT shares. American Funds IS® Asset Allocation 1 is the top mutual fund, with 6.10% of its assets in Quantinuum shares.
QNT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Quantinuum | 98.09% | 7.21% | -5.30% |
| Sector | Technology Stocks | 78.07% | 14.90% | 7.03% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Capital world investors | 4.56M | 13.15% | $372.65M |
| Citadel advisors | 2.30M | 6.64% | $188.00M |
| Blackrock funding, inc. /de | 2.26M | 6.52% | $184.68M |
| Capital research global investors | 1.75M | 5.06% | $143.40M |
| Penserra capital management | 1.20M | 3.46% | $98.10M |
| Wellington management group llp | 1.13M | 3.26% | $92.42M |
| Capital investors | 961.43K | 2.77% | $78.59M |
| Vanguard capital management | 949.28K | 2.74% | $77.59M |
| Balyasny asset management | 821.92K | 2.37% | $67.18M |
| Alliancebernstein | 789.33K | 2.28% | $64.52M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Shannon river fund management | 469.36K | 3.42% | $38.37M |
| Strong tower advisory services | 128.53K | 1.88% | $10.51M |
| Scientech research | 22.69K | 1.50% | $1.85M |
| Penserra capital management | 1.20M | 0.75% | $98.10M |
| Granahan investment management | 233.54K | 0.68% | $19.09M |
| Burkehill global management, lp | 230.00K | 0.68% | $18.80M |
| Seven grand managers | 200.00K | 0.66% | $16.35M |
| Shay capital | 109.13K | 0.57% | $8.92M |
| Wim investment management | 20.00K | 0.54% | $1.63M |
| Cherry creek investment advisors | 16.04K | 0.52% | $1.31M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital world investors | 4.56M | 0.04% | 4.56M |
| Citadel advisors | 2.30M | 0.02% | 2.30M |
| Blackrock funding, inc. /de | 2.26M | 0.00% | 2.26M |
| Capital research global investors | 1.75M | 0.02% | 1.75M |
| Penserra capital management | 1.20M | 0.75% | 1.20M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Aspect partners | 1.00 | - | 1.00 |
| Hollencrest capital management | 3.00 | - | 3.00 |
| Harbour investments | 10.00 | - | 10.00 |
| Tradewinds capital management | 25.00 | 0.00% | 25.00 |
| Ameritas advisory services | 29.00 | - | 29.00 |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Capital world investors | 4.56M | 0.04% | 4.56M | $372.65M |
| Citadel advisors | 2.30M | 0.02% | 2.30M | $188.00M |
| Blackrock funding, inc. /de | 2.26M | 0.00% | 2.26M | $184.68M |
| Capital research global investors | 1.75M | 0.02% | 1.75M | $143.40M |
| Penserra capital management | 1.20M | 0.75% | 1.20M | $98.10M |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 181 | - | 34,003,870 | - | 98 | - | 175 | - | - | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| American Funds IS® Asset Allocation 1 | 1.91M | 6.10% | 1.91M |
| Capital Group Growth Fnd of Amer Comp | 1.76M | 5.62% | 1.76M |
| American Funds Growth Fd of Amer A | 1.76M | 5.62% | 1.76M |
| Defiance Quantum ETF | 1.17M | 3.72% | - |
| iShares A.I. Innovation and Tech Act ETF | 970.25K | 3.09% | -3.10K |
| Vanguard Morn Total Stk Mkt Idx Investor | 888.50K | 2.83% | 888.50K |
| Vanguard MStar Total Stk Mkt Idx Invest | 889.71K | 2.46% | 1.21K |
| American Funds Global Balanced R-6 | 743.73K | 2.37% | 743.73K |
| Capital Group World Growth & Inc Cmp | 675.00K | 2.15% | 675.00K |
| American Funds Cptl Wld Gr&Inc A | 675.00K | 2.15% | 675.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
QNT Ownership FAQ
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