Who owns IonQ, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IONQ from SEC Form 13F filings across 786 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 786 institutions disclosed 196.2M shares of IonQ, Inc. worth $10.44B — about 53.4% of shares outstanding; the largest disclosed holder is MORGAN STANLEY. Source: SEC Form 13F filings, parsed by EvidInvest.
786
13F holders
$10.44B
value, 2026 filers
53.4%
of shares outstanding (196.2M sh)
247
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IONQ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 26.3M | $1.40B | 0.1% | 7.1% | +24.2% |
| 2 | BlackRock, Inc. | 20.9M | $1.11B | 0.0% | 5.7% | -30.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 15.6M | $830.8M | 0.0% | 4.2% | +3.5% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14.0M | $743.5M | 0.0% | 3.8% | -9.3% |
| 5 | STATE STREET CORP | 8.1M | $432.7M | 0.0% | 2.2% | -12.4% |
| 6 | UBS Group AG | 7.9M | $420.6M | 0.1% | 2.1% | +36.0% |
| 7 | BANK OF AMERICA CORP /DE/ | 6.5M | $344.8M | 0.0% | 1.8% | +258.0% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 6.5M | $343.1M | 0.0% | 1.8% | -23.5% |
| 9 | NORGES BANKNEW | 5.2M | $276.4M | 0.0% | 1.4% | new |
| 10 | Marex Group Ltd | 3.7M | $197.5M | 0.8% | 1% | -7.4% |
| 11 | D. E. Shaw & Co., Inc. | 2.7M | $143.3M | 0.1% | 0.7% | +41.5% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.4M | $126.2M | 0.0% | 0.6% | -18.3% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 2.3M | $124.3M | 0.0% | 0.6% | -2.0% |
| 14 | MARSHALL WACE, LLP | 2.3M | $124.0M | 0.1% | 0.6% | +24926.1% |
| 15 | HRT FINANCIAL LP | 2.2M | $118.9M | 0.2% | 0.6% | +52.6% |
| 16 | NORTHERN TRUST CORP | 2.2M | $117.7M | 0.0% | 0.6% | -31.7% |
| 17 | Bank of New York Mellon Corp | 2.1M | $113.9M | 0.0% | 0.6% | +17.8% |
| 18 | JANE STREET GROUP, LLC | 2.1M | $109.5M | 0.0% | 0.6% | +41.7% |
| 19 | MILLENNIUM MANAGEMENT LLCNEW | 2.0M | $104.4M | 0.0% | 0.5% | new |
| 20 | GOLDMAN SACHS GROUP INC | 1.8M | $95.3M | 0.0% | 0.5% | -49.6% |
| 21 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.6M | $86.9M | 0.0% | 0.4% | +45.0% |
| 22 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.6M | $83.4M | 0.0% | 0.4% | +8.9% |
| 23 | Legal & General Group Plc | 1.5M | $82.1M | 0.0% | 0.4% | -3.2% |
| 24 | Clear Street Group Inc. | 1.2M | $66.3M | 0.2% | 0.3% | -32.0% |
| 25 | VAN ECK ASSOCIATES CORP | 1.2M | $64.1M | 0.0% | 0.3% | -3.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.