IonQ Institutional Ownership

NYSE IONQ

$31.16 -1.12 (-3.49%)

As of: Oct 22, 2026 · 3:59 PM EDT

Institutions by Trading Activity

780 Institutions

Increased 536 68.7%

Unchanged 90 11.5%

Reduced 154 19.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

53.31%

▼-2.64 pp QoQ

Shares Held by Institutions

195.99Mn

of 367.66Mn outstanding

▼-2.37% QoQ

Shares Outstanding

367.66Mn

171.67Mn held outside 13F filers

Institutional Investors

780

filed 13F for Jun 2026

▲+152 vs prior quarter

Net Shares Added (QoQ)

-4.75Mn

distributed since last quarter

Value of Holdings

$6.33Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 21, 2026

IonQ, Inc. (NYSE:IONQ) was held by 780 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

Their combined stake equaled 53.31% of outstanding shares in Q2 2026, down from 55.94% in Q1 2026.
Total shares held in IONQ fell 2.37% from Q1 2026; the number of holders rose 62.50% from Q2 2025.
Of the 780 holders of IONQ in Q2 2026, 536 added to their positions, 154 reduced their stakes and 90 left their positions unchanged.
Altogether, institutional holders owned 195.99Mn IONQ shares at the end of Q2 2026, down 4.75Mn from the prior quarter and up 84.73Mn from a year earlier.
As of June 30, 2026, Morgan Stanley held the largest stake in IONQ with 26.28Mn shares, or 7.15% of shares outstanding.
Among existing holders, the largest additions to IONQ in Q2 2026 came from Morgan Stanley (+5.12Mn shares), Bank of America Corp (+4.66Mn shares), Marshall Wace, LLP (+2.32Mn shares), UBS Group AG (+2.09Mn shares) and Daiwa Securities Group Inc. (+947.63K shares).
The largest position reductions in IONQ for Q2 2026 were by BlackRock, Inc. (-8.97Mn shares), Defiance ETFs, LLC (-8.5Mn shares), Geode Capital Management, LLC (-1.98Mn shares), Goldman Sachs Group Inc (-1.76Mn shares) and Two Sigma Investments, LP (-1.54Mn shares).
Per Business Quant, the top 10 investors in IONQ for the quarter ended June 30, 2026 were Morgan Stanley (26.28Mn shares), BlackRock, Inc. (20.9Mn shares), Vanguard Capital Management LLC (15.6Mn shares), Vanguard Portfolio Management LLC (13.96Mn shares), State Street Corp (8.12Mn shares), UBS Group AG (7.9Mn shares), Bank of America Corp (6.47Mn shares), Geode Capital Management, LLC (6.46Mn shares), Norges Bank (5.19Mn shares) and Marex Group Ltd (3.71Mn shares).

Form 13F Holdings

781 Institutional Holders

Report period 30 Jun, 2026

Total shares held 195.99Mn

Of outstanding 53.31%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Morgan Stanley	0000895421	26,279,397	7.15%	▲5,119,505	+24.19%	$1.40Bn
2	BlackRock, Inc.	0002012383	20,896,455	5.68%	▼8,974,487	-30.04%	$1.11Bn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	15,598,546	4.24%	▲534,498	+3.55%	$830.78Mn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	13,959,259	3.80%	▼1,430,321	-9.29%	$743.47Mn
5	State Street Corp	0000093751	8,123,629	2.21%	▼1,147,233	-12.37%	$432.66Mn
6	UBS Group AG	0001610520	7,896,730	2.15%	▲2,091,004	+36.02%	$420.58Mn
7	Bank Of America Corp /De/	0000070858	6,473,088	1.76%	▲4,664,737	+257.96%	$344.76Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	6,459,949	1.76%	▼1,980,116	-23.46%	$343.11Mn
9	NORGES BANK	0001374170	5,188,962	1.41%	▲5,188,962	0.00%	$276.36Mn
10	Marex Group Ltd	0001997464	3,707,611	1.01%	▼298,301	-7.45%	$197.47Mn
11	D. E. Shaw & Co., Inc.	0001009207	2,690,977	0.73%	▲789,594	+41.53%	$143.32Mn
12	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	2,369,500	0.64%	▼532,400	-18.35%	$126.20Mn
13	VANGUARD FIDUCIARY TRUST CO	0000933478	2,333,007	0.63%	▼47,184	-1.98%	$124.26Mn
14	MARSHALL WACE, LLP	0001318757	2,327,425	0.63%	▲2,318,125	+24,926.08%	$123.96Mn
15	HRT FINANCIAL LP	0001475597	2,232,494	0.61%	▲769,900	+52.64%	$118.90K
16	Northern Trust Corp	0000073124	2,209,642	0.60%	▼1,025,663	-31.70%	$117.69Mn
17	Bank of New York Mellon Corp	0001390777	2,137,879	0.58%	▲322,513	+17.77%	$113.86Mn
18	JANE STREET GROUP, LLC	0001595888	2,056,763	0.56%	▲605,058	+41.68%	$109.54Mn
19	MILLENNIUM MANAGEMENT LLC	0001273087	1,959,358	0.53%	▲1,959,358	0.00%	$104.36Mn
20	Goldman Sachs Group Inc	0000886982	1,789,611	0.49%	▼1,764,122	-49.64%	$95.31Mn

Showing 1 to 20 of 781 holders