Security Snapshot

IonQ, Inc. - Common Stock (IONQ) Institutional Ownership

CUSIP: 46222L108

13F Institutional Holders and Ownership History from Q3 2021 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

612

Shares (Excl. Options)

200,086,341

Price

$28.83

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.01%
Share change
+9,379,643
Value change
+$147,215,413
Number of holders
612
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
356,102,083
SEC-reported price per share
$55.87
Insider filing price
$55.87
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • IONQ - IonQ, Inc. - Common Stock is tracked under CUSIP 46222L108.
  • 612 institutions reported positions in Q1 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 668 to 612 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $8,690,670,283 to $5,765,895,805.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 612 institutions filings for Q1 2026.

Open SEC evidence

Security key

46222L108

Latest holder period

Q1 2026

13F holders

612

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
2
Security
IONQ
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 7.8% +25% $1,245,762,693 +$567,756,263 27,763,822 +84% BlackRock, Inc. 31 Dec 2025
MORGAN STANLEY 4.8% -33% $870,883,255 -$78,867,900 17,092,900 -8.3% Morgan Stanley 31 Dec 2025

As of 31 Mar 2026, 612 institutional investors reported holding 200,086,341 shares of IonQ, Inc. - Common Stock (IONQ). This represents 56% of the company’s total 356,102,083 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
42%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 8.4% 29,870,942 -0.69% 0.02% $861,179,243
MORGAN STANLEY 5.9% 21,159,892 +8.1% 0.04% $610,039,766
VANGUARD PORTFOLIO MANAGEMENT LLC 4.3% 15,389,580 0% 0.02% $443,681,591
VANGUARD CAPITAL MANAGEMENT LLC 4.2% 15,064,048 0% 0.01% $434,296,504
Defiance ETFs, LLC 2.7% 9,702,302 +1155% 4% $279,717,368
STATE STREET CORP 2.6% 9,270,862 +3.4% 0.01% $267,278,951
GEODE CAPITAL MANAGEMENT, LLC 2.4% 8,440,065 +4.5% 0.02% $242,918,150
UBS Group AG 1.6% 5,805,726 +37% 0.03% $167,379,082
Marex Group plc 1.1% 4,005,912 -1.9% 1.2% $115,490,443
GOLDMAN SACHS GROUP INC 1% 3,553,733 +94% 0.01% $102,454,122
NORTHERN TRUST CORP 0.91% 3,235,305 -1.3% 0.01% $93,273,843
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.81% 2,901,900 -0.6% 0.01% $83,661,777
VANGUARD FIDUCIARY TRUST CO 0.67% 2,380,191 0% 0.02% $68,620,907
TWO SIGMA INVESTMENTS, LP 0.66% 2,343,951 +1242% 0.06% $67,576,107
D. E. Shaw & Co., Inc. 0.53% 1,901,383 +116% 0.04% $54,816,872
Clear Street Group Inc. 0.51% 1,831,530 -43% 0.3% $52,803,010
Bank of New York Mellon Corp 0.51% 1,815,366 +4.5% 0.01% $52,336,989
BANK OF AMERICA CORP /DE/ 0.51% 1,808,351 -15% 0% $52,134,770
FMR LLC 0.48% 1,695,185 -14% 0% $48,872,175
Legal & General Group Plc 0.45% 1,593,717 +17% 0.01% $45,946,866
HRT FINANCIAL LP 0.41% 1,462,594 0.11% $42,166,000
JANE STREET GROUP, LLC 0.41% 1,451,705 +15991% 0.04% $41,852,655
PRICE T ROWE ASSOCIATES INC /MD/ 0.4% 1,436,659 -64% 0% $41,420,000
WESTFIELD CAPITAL MANAGEMENT CO LP 0.39% 1,373,788 +23% 0.17% $39,606,308
NATIONAL BANK OF CANADA /FI/ 0.37% 1,333,373 +7220% 0.04% $38,441,210

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 200,086,341 $5,765,895,805 +$147,215,413 $28.83 612
2025 Q4 193,643,947 $8,690,670,283 +$898,328,609 $44.87 668
2025 Q3 167,854,268 $10,320,837,267 +$2,189,548,508 $61.50 601
2025 Q2 132,560,741 $5,695,390,963 +$1,558,919,065 $42.97 473
2025 Q1 98,722,403 $2,179,692,168 +$183,182,470 $22.07 359
2024 Q4 87,532,716 $3,656,991,387 +$494,524,378 $41.77 370
2024 Q3 79,906,695 $698,472,193 +$44,047,115 $8.74 235
2024 Q2 74,376,364 $522,823,808 -$87,272,655 $7.03 205
2024 Q1 82,400,639 $822,846,454 -$42,086,606 $9.99 202
2023 Q4 86,191,946 $1,068,088,712 +$123,684,278 $12.39 217
2023 Q3 75,686,004 $1,126,327,143 -$46,028,695 $14.88 198
2023 Q2 78,942,498 $1,068,087,106 +$93,898,128 $13.53 174
2023 Q1 81,326,197 $499,849,835 +$28,275,971 $6.15 155
2022 Q4 84,742,597 $292,366,218 -$24,384,784 $3.45 146
2022 Q3 92,078,147 $466,834,116 -$6,472,130 $5.07 135
2022 Q2 93,337,119 $408,827,305 -$205,269,287 $4.38 129
2022 Q1 94,928,739 $1,210,133,001 -$89,122,769 $12.76 105
2021 Q4 101,556,778 $1,696,275,221 +$1,554,464,209 $16.70 96
2021 Q3 700,000 $5,890,000 +$5,890,000 $8.41 1
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