IONQ Institutional Ownership
Who owns IonQ, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 791 funds reported holding IONQ at Jun 30, 2026, together owning 51.9% of the company.
- ▲534 buying vs 231 selling
- ▼Held by funds -0.8 pts
- ▲Funds holding +150
- ▼Superinvestors: 1 added, 2 cut
- ▼Put/call 1.15 to 1.74
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 791 | 641 | +23.4% |
| In funds' top 10 | 5 | 7 | −28.6% |
| 13F shares | 198M | 201M | −1.6% |
| Held by funds | 51.9% | 52.7% | −0.8 pts |
| New positions | 231 | 84 | +175.0% |
| Increased | 303 | 260 | +16.5% |
| Reduced | 152 | 179 | −15.1% |
| Sold out | 79 | 135 | −41.5% |
| Calls (shares) | 4.5M | 5M | −10.2% |
| Puts (shares) | 7.7M | 5.6M | +37.8% |
| Put/call ratio | 1.74 | 1.15 | +51.0% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in IONQ
All superinvestors →Who owns IONQ
share of fund held shares- Index and passive funds38.8%
- Active managers and hedge funds25.6%
- Banks and brokers31.3%
- Pensions, insurers and other4.3%
The top 10 holders own 58.0% of all IONQ shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
275 funds changed their position- Sumitomo Mitsui Trust Group, Inc.Sold out−636K sh
- DekaBank Deutsche GirozentraleNew+442K sh
- Daiwa Securities Group Inc.Added+442K sh
- Burr Financial Services, LLCNew+184K sh
- Y-Intercept (Hong Kong) LtdAdded+167K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Morgan Stanley | 6.90% | 26.3M | $1.4B | +5.1M |
| 2 | BlackRock, Inc. | 5.48% | 20.9M | $1.1B | −9M |
| 3 | Vanguard Capital Management LLC | 4.09% | 15.6M | $831M | +534K |
| 4 | Vanguard Portfolio Management LLC | 3.66% | 14M | $743M | −1.4M |
| 5 | State Street Corp | 2.13% | 8.1M | $433M | −1.1M |
| 6 | UBS Group AG | 2.07% | 7.9M | $421M | +2.1M |
| 7 | Bank of America Corp /de/ | 1.70% | 6.5M | $345M | +4.7M |
| 8 | Geode Capital Management, LLC | 1.70% | 6.5M | $343M | −2M |
| 9 | Norges Bank | 1.36% | 5.2M | $276M | +5.2M |
| 10 | Marex Group Ltd | 0.97% | 3.7M | $197M | −298K |
- Norges Bank+5.2M sh+$276M
- Morgan Stanley+5.1M sh+$273M
- Bank of America Corp /de/+4.7M sh+$248M
- Marshall Wace, LLP+2.3M sh+$123M
- UBS Group AG+2.1M sh+$111M
- Millennium Management LLC+2M sh+$104M
- Cantor Fitzgerald, L. P.+1.1M sh+$56.5M
- Daiwa Securities Group Inc.+948K sh+$50.5M
- BlackRock, Inc.−9M sh−$478M
- Defiance ETFs, LLC−8.5M sh−$437M
- Geode Capital Management, LLC−2M sh−$105M
- Goldman Sachs Group Inc−1.8M sh−$94M
- Two Sigma Investments, LP−1.5M sh−$81.9M
- Vanguard Portfolio Management LLC−1.4M sh−$76.2M
- State Street Corp−1.1M sh−$61.1M
- Fmr LLC−1M sh−$55.1M
IONQ institutional ownership FAQ
Who owns the most IONQ stock?
In Q2 2026 13F filings the largest holder of IONQ was Morgan Stanley, followed by BlackRock, Inc. and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of IONQ is owned by institutions?
Funds that file 13F reports held 51.9% of IONQ's shares at Jun 30, 2026, compared with 52.7% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying IONQ?
In Q2 2026, 534 funds bought IONQ (231 of them new positions) and 231 sold (79 sold out completely). Among well known investors, 1 added and 2 cut. Our fund sentiment for IONQ is neutral.
What is IONQ's institutional put/call ratio?
Funds reported $414M of IONQ puts against $238M of calls, a put/call ratio of 1.74 (1.15 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this IONQ ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.


