IonQ Ownership | Who Owns IonQ?
IonQ Ownership Summary
IonQ is owned by 67.38% institutional investors, 2.49% insiders, and 30.13% retail investors. Vanguard group is the largest institutional shareholder, holding 11.70% of IONQ shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.23% of its assets in IonQ shares.
IONQ Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | IonQ | 67.38% | 2.49% | 30.13% |
| Sector | Technology Stocks | 50.69% | 12.56% | 36.75% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 29.35M | 11.70% | $1.81B |
| Morgan stanley | 26.34M | 10.50% | $1.62B |
| Blackrock funding, inc. /de | 22.48M | 8.96% | $1.38B |
| Blackrock | 14.16M | 6.80% | $99.55M |
| Geode capital management | 6.62M | 2.64% | $408.10M |
| State street | 6.30M | 2.51% | $387.42M |
| Renaissance | 5.08M | 2.02% | $312.40M |
| Ubs group | 4.30M | 1.71% | $264.55M |
| Price t rowe associates inc /md/ | 3.25M | 1.29% | $199.71M |
| Jpmorgan chase | 3.01M | 1.20% | $184.99M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Acme | 103.75K | 36.34% | $6.38M |
| Naspers | 1.23M | 11.46% | $75.87M |
| Hamilton lane advisors | 260.00K | 9.20% | $15.99M |
| Orion investment | 275.23K | 5.38% | $16.93M |
| Invus financial advisors | 500.00K | 3.94% | $3.52M |
| Morgens waterfall vintiadis | 78.50K | 3.31% | $4.83M |
| Lansdowne partners (uk) llp | 1.94M | 3.20% | $38.55M |
| American alpha advisors | 50.00K | 2.13% | $3.08M |
| Owen larue | 76.36K | 1.85% | $4.70M |
| Quantitative investment management | 197.70K | 1.69% | $12.16M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Morgan stanley | 26.34M | 0.10% | 6.06M |
| Vanguard group | 29.35M | 0.03% | 4.59M |
| Blackrock funding, inc. /de | 22.48M | 0.02% | 4.23M |
| Renaissance | 5.08M | 0.41% | 4.07M |
| Blackrock | 14.16M | 0.00% | 1.78M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Healthcare of ontario pension plan trust fund | - | - | -4.44M |
| Cerberus capital management | 127.20K | 0.28% | -2.31M |
| Softbank group | - | - | -1.59M |
| Two sigma advisers, lp | - | - | -1.56M |
| Teramo advisors | - | - | -1.10M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Naspers | 1.23M | 11.46% | 1.23M | $75.87M |
| Clear street group | 999.80K | 0.21% | 999.80K | $61.49M |
| Frontier capital management | 628.28K | 0.35% | 628.28K | $38.64M |
| Cantor fitzgerald, l. p. | 388.09K | 0.21% | 388.09K | $23.87M |
| Vident advisory | 256.68K | 0.15% | 256.68K | $15.79M |
Sold Out
| Holder | Change |
|---|---|
| Pinpoint asset management (singapore) pte. | -1.00 |
| Pacific capital wealth advisors | -6.00 |
| Raleigh capital management | -8.00 |
| Wealthtrak capital management | -10.00 |
| Tradewinds capital management | -20.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | - |
| Mar 31, 2025 | 5 | -98.82% | 46,785 | -99.95% | - | 0.00% | 3 | -98.95% | - | -100.00% |
| Dec 31, 2024 | 385 | 42.59% | 82,332,992 | 3.11% | 38 | 2.77% | 259 | 85.00% | 68 | 41.67% |
| Sep 30, 2024 | 267 | 14.59% | 79,838,902 | 7.28% | 37 | 3.01% | 139 | 21.93% | 46 | 2.22% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 6.62M | 2.23% | -157.64K |
| iShares Russell 2000 ETF | 5.72M | 1.92% | - |
| Vanguard Small Cap Index | 5.11M | 1.72% | -32.68K |
| YieldMax Ultra Option Income Strat ETF | 4.00M | 1.34% | - |
| Vanguard Information Technology ETF | 3.50M | 1.18% | 35.67K |
| Vanguard Small Cap Growth Index Inv | 2.88M | 0.97% | -4.58K |
| Morgan Stanley Growth | 2.71M | 0.91% | 2.71M |
| Morgan Stanley Inst Growth I | 2.71M | 0.91% | 2.71M |
| Morgan Stanley Growth SMA | 2.71M | 0.91% | 2.71M |
| Vanguard Institutional Extnd Mkt Idx Tr | 2.56M | 0.86% | -915.97K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 20, 2025 | Alameddine Rima | Chief Revenue Officer | Sell | $4.69M |
| Nov 11, 2025 | TEUBER WILLIAM J JR | - | Buy | $109.63K |
| Sep 12, 2025 | Cardillo Robert T. | Executive Chair, IonQ Federal | Sell | $443.19K |
| Sep 11, 2025 | DACIER PAUL T | Chief Administrative Officer | Sell | $185.38K |
| Sep 11, 2025 | Alameddine Rima | Chief Revenue Officer | Sell | $886.97K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 1 | 1 |
| 2025 Q3 | - | 14 |
| 2025 Q2 | - | 15 |
| 2025 Q1 | 1 | 5 |
| 2024 Q4 | - | 10 |
IONQ Ownership FAQ
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