Who owns IonQ, Inc.?
Institutional ownership of IONQ from SEC Form 13F filings across 557 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.
557
13F holders
$9.29B
value, 2026 filers
48.8%
of shares outstanding (182.3M sh)
145
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% | +24.2% |
| 2 | BlackRock, Inc. | 20.9M | $1.11B | 0.0% | 5.6% | -30.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 15.6M | $830.8M | 0.0% | 4.2% | -48.2% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14.0M | $743.5M | 0.0% | 3.7% | -9.3% |
| 5 | UBS Group AG | 7.9M | $420.6M | 0.1% | 2.1% | +36.0% |
| 6 | BANK OF AMERICA CORP /DE/ | 6.5M | $344.8M | 0.0% | 1.7% | +258.0% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 6.5M | $343.1M | 0.0% | 1.7% | -23.5% |
| 8 | NORGES BANKNEW | 5.2M | $276.4M | 0.0% | 1.4% | new |
| 9 | Marex Group Ltd | 3.7M | $197.5M | 0.8% | 1% | -7.4% |
| 10 | D. E. Shaw & Co., Inc. | 2.7M | $143.3M | 0.1% | 0.7% | +41.5% |
| 11 | Ascentis Wealth Management, LLC | 2.7M | $6.8M | 1.0% | 0.7% | +6532.8% |
| 12 | Sixth Street Partners Management Company, L.P.NEW | 2.4M | $126.2M | 21.8% | 0.6% | new |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.4M | $126.2M | 0.0% | 0.6% | -18.3% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 2.3M | $124.3M | 0.0% | 0.6% | -2.0% |
| 15 | MARSHALL WACE, LLP | 2.3M | $124.0M | 0.1% | 0.6% | +24926.1% |
| 16 | HRT FINANCIAL LP | 2.2M | $118,902 | 0.0% | 0.6% | +52.6% |
| 17 | NORTHERN TRUST CORP | 2.2M | $117.7M | 0.0% | 0.6% | -31.7% |
| 18 | Bank of New York Mellon Corp | 2.1M | $113.9M | 0.0% | 0.6% | +17.8% |
| 19 | JANE STREET GROUP, LLC | 2.1M | $109.5M | 0.0% | 0.6% | +41.7% |
| 20 | MILLENNIUM MANAGEMENT LLCNEW | 2.0M | $104.4M | 0.0% | 0.5% | new |
| 21 | GOLDMAN SACHS GROUP INC | 1.8M | $95.3M | 0.0% | 0.5% | -49.6% |
| 22 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.6M | $86.9M | 0.0% | 0.4% | +45.0% |
| 23 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.6M | $83,355 | 0.0% | 0.4% | +8.9% |
| 24 | Legal & General Group Plc | 1.5M | $82.1M | 0.0% | 0.4% | -3.2% |
| 25 | Clear Street Group Inc. | 1.2M | $66.3M | 0.2% | 0.3% | -32.0% |
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.