Quick Takeaways
- IONQ - IonQ, Inc. has 32 insiders with reported activity on this page.
- Net insider value flow over the last year: -$377,632,924.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 32 Insiders of IonQ, Inc.
- Symbol
- IONQ, IONQ-WT on NYSE
- Location
- College Park, MD
What Changed
- Buy value: $337,035; sell value: $377,969,959.
- Net share flow: -9,584,063.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$377,632,924.
Buys
$337,035
Shares: 7,500
Insiders: 2
Sells
$377,969,959
Shares: 9,591,563
Insiders: 11
Net
-$377,632,924
Shares: -9,584,063
Insiders: -9
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 5,500 | 12,354 | $227,405 | $504,406 | -$277,001 |
| 3-6 | 0 | 125,000 | $0 | $5,992,040 | -$5,992,040 |
| 6-9 | 2,000 | 113,622 | $109,630 | $4,932,147 | -$4,822,517 |
| 9-12 | 0 | 9,340,587 | $0 | $366,541,367 | -$366,541,367 |
IonQ, Inc. executives and other stock owners filed with the SEC include:
| 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 | $38,841,967 | -$105,900,928 | -73% | Mixed | 11 Mar 2026 |
| Harry L. You | Director | $28,196,350 | Mixed | 06 Jun 2024 | ||
| Rima Alameddine | Chief Revenue Officer | $24,810,073 | -$10,991,794 | -31% | 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 | -$19,460,492 | -50% | Mixed | 03 Sep 2025 |
| Peter Hume Chapman | Executive Chair, Director | $15,600,588 | -$231,229,952 | -94% | Mixed | 20 Jun 2025 |
| Inder M. Singh | Cfo & Coo | $14,243,077 | -$5,291,564 | -27% | Mixed | 11 Mar 2026 |
| Scott Francis Millard | Chief Business Officer | $10,928,156 | Mixed | 11 Dec 2025 | ||
| Blake Byers | Director | $7,556,550 | Mixed | 26 May 2022 | ||
| Cardillo Robert T. | Director, Executive Chair, IonQ Federal | $6,984,353 | -$1,127,477 | -14% | Filing P/S | 06 May 2026 |
| William F. Scannell | Director | $6,072,192 | Mixed | 18 Jun 2025 | ||
| Craig H. Barratt | Director | $5,651,629 | Mixed | 26 Aug 2024 | ||
| Dean P. Acosta | Cca & Gro | $4,671,478 | Mixed | 06 Oct 2025 | ||
| Dacier Paul T. | CAO, CLO and Secretary | $3,648,970 | -$185,377 | -4.8% | Mixed | 11 Mar 2026 |
| Kathryn K. Chou | Director | $3,346,145 | -$2,866,512 | -46% | Filing P/S | 22 Dec 2025 |
| Laurie A. Babinski | General Counsel and Secretary | $3,262,194 | Mixed | 25 May 2023 | ||
| John W. Raymond | Director, Special Advisor | $2,799,326 | -$93,352 | -3.2% | Filing P/S | 12 Mar 2026 |
| Wendy Thomas | Director | $2,410,849 | -$658,297 | -21% | Filing P/S | 12 Jun 2025 |
| Ronald D. Bernal | Director | $450,609 | Mixed | 30 Jun 2023 | ||
| William J. Teuber Jr. | Director | $361,318 | +$224,785 | +165% | Filing P/S | 27 Feb 2026 |
| Gabrielle B. Toledano | Director | $290,935 | -$51,964 | -15% | Filing P/S | 24 Feb 2026 |
| Jim Frankola | Director | $175,990 | Mixed | 26 Aug 2025 | ||
| Forest Baskett | 10%+ Owner | $125,856 | Mixed | 16 Nov 2022 | ||
| Mohamad Makhzoumi | 10%+ Owner | $35,689 | Mixed | 16 Nov 2022 | ||
| Scott D. Sandell | 10%+ Owner | $15,076 | Mixed | 16 Nov 2022 | ||
| Anthony A. Florence Jr. | 10%+ Owner | $13,834 | Mixed | 16 Nov 2022 | ||
| Peter W. Sonsini | 10%+ Owner | $925 | Mixed | 16 Nov 2022 |
Top shareholders of IonQ, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
|
Company |
7.8%
|
27,763,822
|
$1,245,762,693 | +$567,756,263 | 31 Dec 2025 | |
| MORGAN STANLEY |
13D/G
13F
|
Company |
4.8%
|
17,092,900
|
$870,883,255 | -$78,867,900 | 31 Dec 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
4.3%
|
15,389,580
|
$443,681,591 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
4.2%
|
15,064,048
|
$434,296,504 | — | 31 Mar 2026 | |
| Defiance ETFs, LLC |
13F
|
Company |
2.7%
|
9,702,302
|
$279,717,368 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
2.6%
|
9,270,862
|
$267,278,951 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
8,440,065
|
$242,918,150 | — | 31 Mar 2026 | |
| GV 2016 GP, L.L.C. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
14,707,933
|
$194,338,860 | — | 11 Apr 2022 | |
| NEA Partners 15, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
14,614,829
|
$193,108,659 | — | 16 Nov 2022 | |
| New Enterprise Associates 15, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
14,614,829
|
$193,108,659 | — | 16 Nov 2022 | |
| UBS Group AG |
13F
|
Company |
1.6%
|
5,805,726
|
$167,379,082 | — | 31 Mar 2026 | |
| Marex Group plc |
13F
|
Company |
1.1%
|
4,005,912
|
$115,490,443 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1%
|
3,553,733
|
$102,454,122 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.91%
|
3,235,305
|
$93,273,843 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.81%
|
2,901,900
|
$83,661,777 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.67%
|
2,380,191
|
$68,620,907 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.66%
|
2,343,951
|
$67,576,107 | — | 31 Mar 2026 | |
| GV 2019 GP, L.L.C. |
3/4/5
|
Former 10% Group Member |
—
class O/S missing
|
4,556,532
|
$60,206,369 | — | 11 Apr 2022 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.53%
|
1,901,383
|
$54,816,872 | — | 31 Mar 2026 | |
| Clear Street Group Inc. |
13F
|
Company |
0.51%
|
1,831,530
|
$52,803,010 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.51%
|
1,815,366
|
$52,336,989 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.51%
|
1,808,351
|
$52,134,770 | — | 31 Mar 2026 | |
| Christopher Monroe |
3/4/5
|
Chief Scientist |
—
class O/S missing
|
3,897,970
|
$51,504,657 | — | 15 Aug 2023 | |
| FMR LLC |
13F
|
Company |
0.48%
|
1,695,185
|
$48,872,175 | — | 31 Mar 2026 | |
| Legal & General Group Plc |
13F
|
Company |
0.45%
|
1,593,717
|
$45,946,866 | — | 31 Mar 2026 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.41%
|
1,462,594
|
$42,166,000 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.41%
|
1,451,705
|
$41,852,655 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.4%
|
1,436,659
|
$41,420,000 | — | 31 Mar 2026 | |
| WESTFIELD CAPITAL MANAGEMENT CO LP |
13F
|
Company |
0.39%
|
1,373,788
|
$39,606,308 | — | 31 Mar 2026 | |
| Niccolo de Masi |
3/4/5
|
President and CEO, Director |
0.32%
|
1,155,667
|
$38,841,967 | -$105,900,928 | 11 Mar 2026 | |
| NATIONAL BANK OF CANADA /FI/ |
13F
|
Company |
0.37%
|
1,333,373
|
$38,441,210 | — | 31 Mar 2026 | |
| Nuveen, LLC |
13F
|
Company |
0.36%
|
1,286,223
|
$37,081,809 | — | 31 Mar 2026 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
0.35%
|
1,247,702
|
$35,971,000 | — | 31 Mar 2026 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.34%
|
1,221,885
|
$35,226,945 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.32%
|
1,126,099
|
$32,465,435 | — | 31 Mar 2026 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
0.31%
|
1,116,071
|
$32,176,327 | — | 31 Mar 2026 | |
| CANTOR FITZGERALD, L. P. |
13F
|
Individual |
0.3%
|
1,077,326
|
$31,059,309 | — | 31 Mar 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.3%
|
1,075,857
|
$31,016,957 | — | 31 Mar 2026 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.29%
|
1,035,633
|
$29,857,301 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.29%
|
1,015,368
|
$29,273,058 | — | 31 Mar 2026 | |
| Harry L. You |
3/4/5
|
Director |
—
mixed-class rows
|
2,780,401
mixed-class rows
|
$28,196,350 | — | 06 Jun 2024 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.26%
|
930,320
|
$26,776,514 | — | 31 Mar 2026 | |
| Amundi |
13F
|
Individual |
0.26%
|
926,989
|
$26,725,093 | — | 31 Mar 2026 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.25%
|
886,284
|
$25,551,568 | — | 31 Mar 2026 | |
| Swiss National Bank |
13F
|
Company |
0.24%
|
866,648
|
$24,985,462 | — | 31 Mar 2026 | |
| Rima Alameddine |
3/4/5
|
Chief Revenue Officer |
—
mixed-class rows
|
1,360,616
mixed-class rows
|
$24,810,073 | -$10,991,794 | 20 Nov 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
0.23%
|
816,169
|
$23,529,000 | — | 31 Mar 2026 | |
| HEIGHTS CAPITAL MANAGEMENT, INC |
13F
|
Company |
0.23%
|
815,542
|
$23,512,076 | — | 31 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.23%
|
814,960
|
$23,495,296 | — | 31 Mar 2026 | |
| LANSDOWNE PARTNERS (UK) LLP |
13F
|
Company |
0.22%
|
795,585
|
$22,936,716 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for IonQ, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||
| Cardillo Robert T. | IONQ | Common Stock | Sale | -19% | $443,192 | $50.52 | -8,773 | 37,436 | 12 Sep 2025 | Direct |
| Cardillo Robert T. | IONQ | Common Stock | Options Exercise | 23.4% | 8,773 | 46,209 | 12 Sep 2025 | Direct | ||
| Cardillo Robert T. | IONQ | Stock Option (right to buy) | Options Exercise | -33.3% | -8,773 | 17,547 | 12 Sep 2025 | Direct | ||
| Dacier Paul T. | IONQ | Common Stock | Sale | -3.52% | $185,377 | $44.40 | -4,175 | 114,454 | 11 Sep 2025 | Direct |
| Rima Alameddine | IONQ | Common Stock | Sale | -3.61% | $886,966 | $44.40 | -19,976 | 532,616 | 11 Sep 2025 | Direct |
| Niccolo de Masi | IONQ | Common Stock | Sale | -1.35% | $715,754 | $44.40 | -16,120 | 1,181,186 | 11 Sep 2025 | Direct |
| Cardillo Robert T. | IONQ | Common Stock | Award | 207.1% | 77,520 | 114,956 | 10 Sep 2025 | Direct | ||
| Inder M. Singh | IONQ | Common Stock | Award | 2907.6% | 160,294 | 165,807 | 04 Sep 2025 | Direct | ||
| Thomas G. Kramer | IONQ | Common Stock | Sale | -12% | $2,700,859 | $41.82 | -64,578 | 473,302 | 03 Sep 2025 | Direct |
| William J. Teuber Jr. | IONQ | Common Stock | Award | 4,413 | 4,413 | 26 Aug 2025 | Direct | |||
| Jim Frankola | IONQ | Common Stock | Award | 4,413 | 4,413 | 26 Aug 2025 | Direct | |||
| Inder M. Singh | IONQ | Common Stock | Sale | -90.2% | $2,171,801 | $43.02 | -50,480 | 5,513 | 13 Aug 2025 | Direct |
| Inder M. Singh | IONQ | Common Stock | Options Exercise | 915.6% | 50,480 | 55,993 | 13 Aug 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.