IonQ, Inc. (IONQ) ownership: Top institutional holder: VANGUARD GROUP INC ($1.56B). Insider activity: Net Seller (1 buys, 19 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 34774743.00 | $1.56B | 2025-12-31 |
| BlackRock, Inc. | 29870942.00 | $861.18M | 2026-03-31 |
| MORGAN STANLEY | 21159892.00 | $610.04M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15389580.00 | $443.68M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 15064048.00 | $434.30M | 2026-03-31 |
| Defiance ETFs, LLC | 9702302.00 | $279.72M | 2026-03-31 |
| STATE STREET CORP | 9270862.00 | $267.28M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 8440065.00 | $242.92M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.