IonQ Ownership | Who Owns IonQ?
IonQ Ownership Summary
IonQ is owned by 55.12% institutional investors, 0.72% insiders, and 44.16% retail investors. Vanguard group is the largest institutional shareholder, holding 11.81% of IONQ shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.86% of its assets in IonQ shares.
IONQ Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | IonQ | 55.12% | 0.72% | 44.16% |
| Sector | Technology Stocks | 53.67% | 14.96% | 31.36% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 34.77M | 11.81% | $1.56B |
| Morgan stanley | 26.28M | 7.32% | $1.40B |
| Blackrock | 14.16M | 6.80% | $99.55M |
| Blackrock funding, inc. /de | 20.90M | 5.82% | $1.11B |
| Vanguard capital management | 15.60M | 4.35% | $830.78M |
| State street | 8.12M | 2.26% | $432.66M |
| Ubs group | 7.90M | 2.20% | $420.58M |
| Bank of america corp /de/ | 6.47M | 1.80% | $344.76M |
| Geode capital management | 6.46M | 1.80% | $343.11M |
| Norges bank | 5.19M | 1.45% | $276.36M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Dcvc opportunity fund ii gp | 50.70K | 15.70% | $2.70M |
| Naspers | 1.23M | 11.46% | $75.87M |
| Hamilton lane advisors | 195.00K | 6.99% | $10.39M |
| Orion investment | 280.20K | 4.35% | $14.92M |
| Invus financial advisors | 500.00K | 3.94% | $3.52M |
| Morgens waterfall vintiadis | 78.50K | 3.31% | $4.83M |
| Acme | 3.75K | 3.21% | $199.83K |
| Unicom systems | 768.90K | 2.67% | $40.95M |
| Lansdowne partners (uk) llp | 966.43K | 2.12% | $51.47M |
| Wim investment management | 104.70K | 1.83% | $5.58M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 34.77M | 0.02% | 5.42M |
| Norges bank | 5.19M | 0.03% | 5.19M |
| Morgan stanley | 26.28M | 0.07% | 5.12M |
| Bank of america corp /de/ | 6.47M | 0.02% | 4.66M |
| Sixth street partners management company | 2.37M | 0.02% | 2.37M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 20.90M | 0.02% | -8.97M |
| Healthcare of ontario pension plan trust fund | - | - | -4.44M |
| Geode capital management | 6.46M | 0.02% | -1.98M |
| Goldman sachs group | 1.79M | 0.01% | -1.76M |
| Softbank group | - | - | -1.59M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 5.19M | 0.03% | 5.19M | $276.36M |
| Sixth street partners management company | 2.37M | 0.02% | 2.37M | $126.20M |
| Naspers | 1.23M | 11.46% | 1.23M | $75.87M |
| Worldquant millennium advisors | 836.93K | 0.15% | 836.93K | $44.57M |
| Qube research | 383.15K | 0.02% | 383.15K | $20.41M |
Sold Out
| Holder | Change |
|---|---|
| Signature resources capital management | -1.00 |
| Bay harbor wealth management | -1.00 |
| Tortoise investment management | -1.00 |
| Commonwealth retirement investments | -1.00 |
| Pinpoint asset management (singapore) pte. | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 851 | 21.23% | 197,797,411 | -1.46% | 55 | 1.76% | 546 | 52.09% | 156 | -16.13% |
| Mar 31, 2026 | 521 | -28.63% | 114,957,093 | -40.62% | 33 | 0.77% | 278 | -40.47% | 132 | -8.33% |
| Dec 31, 2025 | 553 | -17.59% | 161,305,666 | -4.81% | 54 | 1.20% | 363 | -21.94% | 107 | 9.18% |
| Sep 30, 2025 | 644 | 24.08% | 169,091,750 | 60.30% | 67 | 3.81% | 448 | 29.86% | 94 | 20.51% |
| Jun 30, 2025 | 518 | 28.22% | 131,684,904 | 33.38% | 52 | 2.82% | 343 | 38.31% | 81 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 10.67M | 2.86% | 163.81K |
| Vanguard Morn Total Stk Mkt Idx Investor | 10.67M | 2.86% | 163.81K |
| Vanguard MStar Total Stk Mkt Idx Invest | 11.51M | 2.84% | 267.55K |
| iShares Russell 2000 ETF | 8.26M | 2.21% | 76.34K |
| Vanguard Small Cap Index | 7.67M | 1.89% | 1.01M |
| YieldMax Ultra Option Income Strat ETF | 4.00M | 1.34% | - |
| Vanguard MStar Small Cap Growth Indx Inv | 4.45M | 1.10% | 595.64K |
| Vanguard Institutional Extnd Mkt Idx Tr | 4.30M | 1.06% | -143.76K |
| Vanguard Morn Small Cap Growth Index Inv | 3.85M | 1.03% | 176.13K |
| Vanguard Small Cap Growth Index Inv | 3.85M | 1.03% | 176.13K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 18, 2026 | TOLEDANO GABRIELLE B | - | Sell | $151.66K |
| Jun 18, 2026 | Chou Kathryn K. | - | Sell | $151.69K |
| Jun 18, 2026 | Raymond John w | Special Advisor | Sell | $209.86K |
| May 06, 2026 | Cardillo Robert T. | Executive Chair, IonQ Federal | Sell | $188.27K |
| Apr 16, 2026 | Cardillo Robert T. | Executive Chair, IonQ Federal | Buy | $112.25K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | - |
| 2026 Q2 | - | 5 |
| 2026 Q1 | 1 | 3 |
| 2025 Q4 | 1 | 3 |
| 2025 Q3 | - | 14 |
IONQ Ownership FAQ
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