Who owns IONQ?
Institutional ownership of IonQ Inc. from Form 13F, Q2 2026
783 institutional managers reported holding IonQ Inc. (IONQ) in Form 13F filings for Q2 2026, with 197,488,404 shares worth $10.5B. The largest reported holder was Morgan Stanley. Managers that filed both quarters cut a net 3,629,924 shares (-1.8%). 226 opened new positions and 77 sold out.
- Funds holding
- 783
- Value held
- $10.5B
- New / sold out
- 226 / 77
- Net shares, same filers
- -1.8%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of IONQ
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| Morgan Stanley | $1.4B | 13.3% | 26,279,397 | Added |
| BlackRock, Inc. | $1.1B | 10.6% | 20,896,455 | Trimmed |
| Vanguard Capital Management LLC | $831M | 7.9% | 15,598,546 | Added |
| Vanguard Portfolio Management LLC | $743M | 7.1% | 13,959,259 | Trimmed |
| State Street Corp | $433M | 4.1% | 8,123,629 | Trimmed |
| UBS Group AG | $421M | 4.0% | 7,896,730 | Added |
| Bank of America Corp | $345M | 3.3% | 6,473,088 | Added |
| Geode Capital Management, LLC | $343M | 3.3% | 6,459,949 | Trimmed |
| Norges Bank | $276M | 2.6% | 5,188,962 | New |
| Marex Group Ltd | $197M | 1.9% | 3,707,611 | Trimmed |
| D. E. Shaw & Co., Inc. | $143M | 1.4% | 2,690,977 | Added |
| Charles Schwab Investment Management Inc | $126M | 1.2% | 2,369,500 | Trimmed |
| Vanguard Fiduciary Trust Co | $124M | 1.2% | 2,333,007 | Trimmed |
| Marshall Wace, LLP | $124M | 1.2% | 2,327,425 | Added |
| HRT Financial LP | $119M | 1.1% | 2,232,494 | Added |
| Northern Trust Corp | $118M | 1.1% | 2,209,642 | Trimmed |
| Bank of New York Mellon Corp | $114M | 1.1% | 2,137,879 | Added |
| Cantor Fitzgerald, L. P. | $114M | 1.1% | 2,137,616 | Added |
| Jane Street Group, LLC | $110M | 1.0% | 2,056,763 | Added |
| Millennium Management LLC | $104M | 1.0% | 1,959,358 | New |
| Goldman Sachs Group Inc | $95.3M | 0.9% | 1,789,611 | Trimmed |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $86.9M | 0.8% | 1,632,290 | Added |
| Price T Rowe Associates Inc | $83.4M | 0.8% | 1,565,044 | Added |
| Legal & General Group Plc | $82.1M | 0.8% | 1,541,983 | Trimmed |
| Clear Street Group Inc. | $66.3M | 0.6% | 1,245,695 | Trimmed |
Share of 13F holdings is each fund's shares as a share of the 197,488,404 IONQ shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Norges Bank New+$276M
- Morgan Stanley Added+$273M
- Bank of America Corp Added+$248M
- Marshall Wace, LLP Added+$123M
- UBS Group AG Added+$111M
- Millennium Management LLC New+$104M
- Cantor Fitzgerald, L. P. Added+$56.5M
- Daiwa Securities Group Inc. Added+$50.5M
- Worldquant Millennium Advisors LLC New+$44.6M
- D. E. Shaw & Co., Inc. Added+$42.1M
Biggest sellers in Q2 2026
- BlackRock, Inc. Trimmed-$478M
- Defiance ETFs, LLC Trimmed-$437M
- Geode Capital Management, LLC Trimmed-$105M
- Goldman Sachs Group Inc Trimmed-$94.0M
- Two Sigma Investments, LP Trimmed-$81.9M
- Vanguard Portfolio Management LLC Trimmed-$76.2M
- State Street Corp Trimmed-$61.1M
- FMR LLC Trimmed-$55.1M
- Northern Trust Corp Trimmed-$54.6M
- Wellington Management Group LLP Trimmed-$42.6M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $2.2B and sold $2.2B; 298 added and 149 trimmed.
Schedule 13D and 13G filings on IONQ
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-08-13MORGAN STANLEY SCHEDULE 13G filed by IonQ Inc.Schedule 13G
- 2025-08-06MORGAN STANLEY SCHEDULE 13G filed by IonQ Inc.Schedule 13G
Questions about IONQ ownership
- Who owns IONQ stock?
- 783 institutional investment managers reported IONQ positions in their Form 13F filings for Q2 2026, holding 197,488,404 shares worth $10.5B in total. Morgan Stanley reported the largest position.
- Are funds buying or selling IONQ?
- In Q2 2026, 226 managers opened new IONQ positions, 298 added, 149 trimmed and 77 sold out. Managers that filed in both quarters sold a net 3,629,924 shares.
- How current is this IONQ institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to IONQ by CUSIP. Options are left out. IONQ news and filings · IONQ insider trades · Top funds