QUANTUM COMPUTING INC (QUBT) Institutional Ownership Changes & 13F Activity
QUANTUM COMPUTING INC (QUBT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Defiance Etfs, Llc, Marex Group Plc, Squarepoint Ops Llc, Citadel Advisors Llc, and Engineers Gate Manager Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Neuberger Berman Group Llc | Buy | +908 | +7.8% | 12,532 | $121.56K | Q2 2026 | Oct 27, 2026 |
| State Street Corp | Buy | +404,497 | +9.0% | 4,921,317 | $47.74M | Q2 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Buy | +8,935 | +9.3% | 104,732 | $1.02M | Q2 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Buy | +165 | +30.4% | 708 | $6.87K | Q2 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Sell | -722,352 | -83.9% | 138,628 | $1.34M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +108,747 | +477.2% | 131,534 | $1.28M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -27,991 | -11.1% | 224,011 | $2.17M | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +15,632 | +106.4% | 30,321 | $294.11K | Q2 2026 | Aug 19, 2026 |
| Fulcrum Asset Management Llp | Buy | +29,352 | — | 29,352 | $291.17K | Q2 2026 | Aug 18, 2026 |
| Defiance Etfs, Llc | Buy | +2,538,327 | +56.5% | 7,033,410 | $66.33M | Q2 2026 | Aug 14, 2026 |
| Marex Group Plc | Sell | -2,186,553 | -48.7% | 2,302,359 | $22.33M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -949,006 | -70.2% | 402,727 | $3.91M | Q2 2026 | Aug 14, 2026 |
| Engineers Gate Manager Lp | Sell | -641,666 | -97.4% | 16,923 | $164.15K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +485,063 | +70.5% | 1,172,886 | $11.38M | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +366,226 | +961.1% | 404,331 | $3.92M | Q2 2026 | Aug 14, 2026 |
| Van Eck Associates Corp | Buy | +345,750 | +35.6% | 1,317,352 | $12.78M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +272,766 | +313.4% | 359,801 | $3.49M | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Buy | +248,076 | +31.4% | 1,037,659 | $10.07M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -197,968 | -51.5% | 186,284 | $1.81M | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Buy | +149,534 | +10.0% | 1,641,744 | $15.92M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -135,592 | -18.9% | 582,618 | $5.65M | Q2 2026 | Aug 14, 2026 |
| Brevan Howard Capital Management Lp | Buy | +135,258 | +736.3% | 153,629 | $1.49M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -118,731 | -13.1% | 789,243 | $7.66M | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +110,394 | +80.0% | 248,322 | $2.41M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +110,135 | — | 110,135 | $1.07M | Q2 2026 | Aug 14, 2026 |
| Graham Capital Management, L.P. | Buy | +80,000 | — | 80,000 | $776.00K | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +71,659 | — | 71,659 | $695.09K | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +69,232 | +3.1% | 2,272,533 | $22.05M | Q2 2026 | Aug 14, 2026 |
| Varcov Co. | Buy | +64,663 | — | 64,663 | $627.23K | Q2 2026 | Aug 14, 2026 |
| Kkm Financial Llc | Buy | +62,978 | — | 62,978 | $510.12K | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about QUBT activity
Which institutional owners are buying QUBT?
Institutional owners buying QUBT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in QUBT activity?
"Buy" means an investor increased their reported position in QUBT compared to the prior reporting period. This reflects growing exposure to QUANTUM COMPUTING INC (QUBT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in QUBT increasing?
Institutional interest in QUBT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related QUBT Institutional Insights
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