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Smart Money Score
Composite context from Form 4, 13F and congressional disclosures; not a forecast.
Of the 10 tracked institutions holding IONQ, 2 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +3.7pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 10 tracked institutional investors we monitor, IONQ (IONQ INC) is held with a combined value of $3.35B across 68,297,607 shares. The largest holder is VANGUARD GROUP INC with a position worth $1.56B (0.02% of their portfolio). TWO SIGMA ADVISERS, LP opened a new position in the most recent quarter. 4 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$3.35B
Total Shares Held
68,297,607
Institutional Holders
10
% of Shares Outstanding
17.9%
of 381.00M shares · SEC 2026-07-29
Days to Cover
1.9-15.5%
42.36M shares short · FINRA 2026-08-14
Tracked 13F institutions hold 17.9% of IONQ's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-07-29), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $1.56B | 0.02% | +18.5% |
| 2 | BlackRock, Inc. | $1.11B | 0.02% | -30.0% |
| 3 | STATE STREET CORP | $432.66M | 0.01% | -12.4% |
| 4 | MILLENNIUM MANAGEMENT LLC | $104.36M | 0.07% | +1232.0% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $83.36M | 0.01% | +8.9% |
| 6 | FMR LLC | $35.16M | 0.00% | -61.1% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $11.52M | 0.00% | -78.7% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $4.73M | 0.00% | +60.0% |
| 9 | TWO SIGMA ADVISERS, LP | $390.37K | 0.00% | New |
| 10 | Magnetar Financial LLC | $233.81K | 0.00% | -89.0% |
| Member | Type | Date |
|---|---|---|
| Greg Steube | Buy | Mar 18, 2026 |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of IONQ with a position worth $1.56B, representing 0.02% of their portfolio. In total, 10 institutional investors hold IONQ with a combined value of $3.35B.
In the most recent quarter, 1 fund opened a new position in IONQ. Additionally, 4 increased their holdings and 5 reduced their positions.
Institutional investors hold $3.35B worth of IONQ stock across 10 positions. The largest institutional holder is VANGUARD GROUP INC with $1.56B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For IONQ, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their IONQ positions.
Last Close
$38.14
2026-09-09
YTD
-18.5%
21% of 52-week range