Comparable stake leader
BlackRock, Inc.
SEC ownership of IonQ, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001824920.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- IONQ, IONQ-WT on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001824920
- Issuer location
- College Park, MD
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of IonQ, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.3%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 5.3%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
5.3%
MORGAN STANLEY
4.8%
Niccolo de Masi
0.3%
Thomas G. Kramer
0.13%
Inder M. Singh
0.11%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
5.3%
|
$1,054,728,977
19,803,398 shares
|
-$423,972,182 | 30 Jun 2026 |
| MORGAN STANLEY |
13D/G
13F
Company
|
4.8%
|
$870,883,255
17,092,900 shares
|
-$78,867,900 | 31 Dec 2025 |
| Niccolo de Masi |
3/4/5
President and CEO, Director
|
0.3%
|
$32,853,140
1,139,547 shares
|
-$715,754 | 11 Jun 2026 |
| Thomas G. Kramer |
3/4/5
Chief Financial Officer
|
0.13%
|
$19,795,210
473,307 shares
|
-$2,700,859 | 03 Sep 2025 |
| Inder M. Singh |
3/4/5
CFO & COO
|
0.11%
|
$11,961,163
414,886 shares
|
-$2,171,801 | 16 Jun 2026 |
| Scott Francis Millard |
3/4/5
Chief Business Officer
|
0.06%
|
$10,928,156
216,457 shares
|
— | 11 Dec 2025 |
| William F. Scannell |
3/4/5
Director
|
0.04%
|
$4,182,829
145,086 shares
|
— | 17 Jun 2026 |
| Paul T. Dacier |
3/4/5
CAO, CLO and Secretary
|
0.03%
|
$3,011,524
104,458 shares
|
-$185,377 | 11 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$13,776,575.
Buys
$337,035
Insiders: 2
Sells
$14,113,610
Insiders: 9
Net
-$13,776,575
Shares: -303,285
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 7,500
Shares: 310,785
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 9,329 | $0 | $513,216 | -$513,216 |
| 3-6 | 5,500 | 12,354 | $227,405 | $504,406 | -$277,001 |
| 6-9 | 0 | 125,000 | $0 | $5,992,040 | -$5,992,040 |
| 9-12 | 2,000 | 164,102 | $109,630 | $7,103,948 | -$6,994,318 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 32 reporting-owner rows connected to IonQ, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
32
Largest Forms 3/4/5 holder
GV 2016 GP, L.L.C.
Net 12M change
-$13,776,575
Latest report
18 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| GV 2016 GP, L.L.C. | 10%+ Owner | $194,338,860 | Mixed | 11 Apr 2022 | ||
| NEA Partners 15, L.P. | 10%+ Owner | $193,108,659 | Mixed | 16 Nov 2022 | ||
| New Enterprise Associates 15, L.P. | 10%+ Owner | $193,108,659 | Mixed | 16 Nov 2022 | ||
| GV 2019 GP, L.L.C. | Former 10% Group Member | $60,206,369 | Mixed | 11 Apr 2022 | ||
| Christopher Monroe | Chief Scientist | $51,504,657 | Mixed | 15 Aug 2023 | ||
| Niccolo de Masi | President and CEO, Director | $32,853,140 | -$715,754 | -2.1% | Mixed | 11 Jun 2026 |
| Harry L. You | Director | $28,196,350 | Mixed | 06 Jun 2024 | ||
| Rima Alameddine | Chief Revenue Officer | $24,810,073 | -$5,576,026 | -18% | Mixed | 20 Nov 2025 |
| Jungsang Kim | CHIEF TECHNOLOGY OFFICER, Director | $19,909,743 | Mixed | 14 Mar 2024 | ||
| Thomas G. Kramer | Chief Financial Officer | $19,795,210 | -$2,700,859 | -12% | Mixed | 03 Sep 2025 |
| Peter Hume Chapman | Executive Chair, Director | $15,600,588 | Mixed | 20 Jun 2025 | ||
| Inder M. Singh | Cfo & Coo | $11,961,163 | -$2,171,801 | -15% | Mixed | 16 Jun 2026 |
| Scott Francis Millard | Chief Business Officer | $10,928,156 | Mixed | 11 Dec 2025 | ||
| Blake Byers | Director | $7,556,550 | Mixed | 26 May 2022 | ||
| Craig H. Barratt | Director | $5,651,629 | Mixed | 26 Aug 2024 | ||
| Dean P. Acosta | Cca & Gro | $4,671,478 | Mixed | 06 Oct 2025 | ||
| John W. Raymond | Director, Special Advisor | $4,408,941 | -$303,215 | -6.4% | Filing P/S | 18 Jun 2026 |
| William F. Scannell | Director | $4,182,829 | Mixed | 17 Jun 2026 | ||
| Cardillo Robert T. | Director, Executive Chair, IonQ Federal | $4,009,186 | -$722,899 | -15% | Mixed | 11 Jun 2026 |
| Kathryn K. Chou | Director | $3,444,692 | -$1,454,670 | -30% | Filing P/S | 17 Jun 2026 |
Recent insider transactions for IonQ, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gabrielle B. Toledano | IONQ | Common Stock | Sale | -19.8% | $151,663 | $55.01 | -2,757 | 11,154 | 18 Jun 2026 | Direct |
| Kathryn K. Chou | IONQ | Common Stock | Sale | -4.22% | $151,690 | $55.02 | -2,757 | 62,608 | 18 Jun 2026 | Direct |
| John W. Raymond | IONQ | Common Stock | Sale | -4.54% | $209,863 | $55.01 | -3,815 | 80,148 | 18 Jun 2026 | Direct |
| Gabrielle B. Toledano | IONQ | Common Stock | Award | 48.2% | 4,526 | 13,911 | 17 Jun 2026 | Direct | ||
| Kathryn K. Chou | IONQ | Common Stock | Award | 7.44% | 4,526 | 65,365 | 17 Jun 2026 | Direct | ||
| Jim Frankola | IONQ | Common Stock | Award | 102.6% | 4,526 | 8,939 | 17 Jun 2026 | Direct | ||
| William J. Teuber Jr. | IONQ | Common Stock | Award | 48.1% | 4,526 | 13,939 | 17 Jun 2026 | Direct | ||
| William F. Scannell | IONQ | Common Stock | Award | 3.22% | 4,526 | 145,086 | 17 Jun 2026 | Direct | ||
| Inder M. Singh | IONQ | Common Stock | Tax liability | -0.63% | -2,617 | 414,886 | 16 Jun 2026 | Direct | ||
| Inder M. Singh | IONQ | Common Stock | Tax liability | -1.48% | -6,272 | 417,503 | 11 Jun 2026 | Direct | ||
| Niccolo de Masi | IONQ | Common Stock | Tax liability | -1.39% | -16,120 | 1,139,547 | 11 Jun 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Common Stock | Tax liability | -0.65% | -904 | 139,063 | 11 Jun 2026 | Direct | ||
| Dacier Paul T. | IONQ | Common Stock | Tax liability | -3.79% | -4,110 | 104,458 | 11 Jun 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Common Stock | Sale | -2.62% | $188,273 | $49.90 | -3,773 | 139,967 | 06 May 2026 | Direct |
| Cardillo Robert T. | IONQ | Common Stock | Options Exercise | 2.7% | 3,773 | 143,740 | 06 May 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Stock Option (Right to Buy) | Options Exercise | -30.1% | -3,773 | 8,774 | 06 May 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Common Stock | Sale | 1.82% | $112,250 | $44.90 | 2,500 | 139,967 | 16 Apr 2026 | Direct |
| Cardillo Robert T. | IONQ | Common Stock | Options Exercise | 1.79% | 2,500 | 142,467 | 16 Apr 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Stock Option (Right to Buy) | Options Exercise | -16.6% | -2,500 | 12,547 | 16 Apr 2026 | Direct | ||
| John W. Raymond | IONQ | Common Stock | Sale | -3.23% | $93,352 | $33.34 | -2,800 | 83,963 | 12 Mar 2026 | Direct |
| Inder M. Singh | IONQ | Common Stock | Tax liability | -1.88% | -8,134 | 423,775 | 11 Mar 2026 | Direct | ||
| Dacier Paul T. | IONQ | Common Stock | Tax liability | -5.39% | -6,181 | 108,568 | 11 Mar 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Common Stock | Tax liability | -0.64% | -904 | 139,967 | 11 Mar 2026 | Direct | ||
| Niccolo de Masi | IONQ | Common Stock | Tax liability | -1.77% | -20,785 | 1,155,667 | 11 Mar 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Common Stock | Award | 29% | 31,651 | 140,871 | 02 Mar 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Common Stock | Tax liability | -2.73% | -3,071 | 109,220 | 27 Feb 2026 | Direct | ||
| William J. Teuber Jr. | IONQ | Common Stock | Purchase | 46.8% | $115,155 | $38.38 | 3,000 | 9,413 | 27 Feb 2026 | Direct |
| Cardillo Robert T. | IONQ | Common Stock | Sale | -4.4% | $203,685 | $39.44 | -5,165 | 112,291 | 26 Feb 2026 | Direct |
| Cardillo Robert T. | IONQ | Common Stock | Options Exercise | 2.17% | 2,500 | 117,456 | 26 Feb 2026 | Direct | ||
| Cardillo Robert T. | IONQ | Stock Option (Right to Buy) | Options Exercise | -14.2% | -2,500 | 15,047 | 26 Feb 2026 | Direct | ||
| Gabrielle B. Toledano | IONQ | Common Stock | Sale | -6.16% | $19,096 | $31.00 | -616 | 9,385 | 24 Feb 2026 | Direct |
| Dacier Paul T. | IONQ | Common Stock | Award | 4.01% | 4,427 | 114,749 | 20 Feb 2026 | Direct | ||
| Niccolo de Masi | IONQ | Common Stock | Award | 0.99% | 11,556 | 1,176,452 | 20 Feb 2026 | Direct | ||
| Inder M. Singh | IONQ | Common Stock | Award | 0.87% | 3,708 | 431,909 | 20 Feb 2026 | Direct | ||
| Kathryn K. Chou | IONQ | Common Stock | Sale | -7.59% | $275,000 | $55.00 | -5,000 | 60,839 | 22 Dec 2025 | Direct |
| Kathryn K. Chou | IONQ | Common Stock | Options Exercise | 8.22% | 5,000 | 65,839 | 22 Dec 2025 | Direct | ||
| Kathryn K. Chou | IONQ | Stock Option (right to buy) | Options Exercise | -20.1% | -5,000 | 19,900 | 22 Dec 2025 | Direct | ||
| Niccolo de Masi | IONQ | Common Stock | Tax liability | -1.38% | -16,290 | 1,164,896 | 11 Dec 2025 | Direct | ||
| Scott Francis Millard | IONQ | Common Stock | Tax liability | -8.3% | -19,586 | 216,457 | 11 Dec 2025 | Direct | ||
| Dacier Paul T. | IONQ | Common Stock | Tax liability | -3.61% | -4,132 | 110,322 | 11 Dec 2025 | Direct | ||
| Kathryn K. Chou | IONQ | Common Stock | Sale | -24.7% | $1,027,980 | $51.40 | -20,000 | 60,839 | 11 Dec 2025 | Direct |
| Kathryn K. Chou | IONQ | Common Stock | Options Exercise | 32.9% | 20,000 | 80,839 | 11 Dec 2025 | Direct | ||
| Kathryn K. Chou | IONQ | Stock Option (right to buy) | Options Exercise | -44.5% | -20,000 | 24,900 | 11 Dec 2025 | Direct | ||
| Inder M. Singh | IONQ | Common Stock | Tax liability | -2.85% | -12,553 | 428,201 | 11 Dec 2025 | Direct | ||
| Rima Alameddine | IONQ | Common Stock | Sale | -18.8% | $4,689,060 | $46.89 | -100,000 | 432,616 | 20 Nov 2025 | Direct |
| John W. Raymond | IONQ | Common Stock | Award | 2732.6% | 83,700 | 86,763 | 17 Nov 2025 | Direct | ||
| William J. Teuber Jr. | IONQ | Common Stock | Purchase | 45.3% | $109,630 | $54.82 | 2,000 | 6,413 | 11 Nov 2025 | Direct |
| Inder M. Singh | IONQ | Common Stock | Award | 165.8% | 274,947 | 440,754 | 10 Nov 2025 | Direct | ||
| Dean P. Acosta | IONQ | Common Stock | Award | 75,959 | 75,959 | 06 Oct 2025 | Direct | |||
| John W. Raymond | IONQ | Common Stock | Award | 3,063 | 3,063 | 25 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.