QUANTUM COMPUTING INC COM is a security (CUSIP 74766W108) tracked across SEC portfolio filings. 329 institutional managers reported $803.4M on Form 13F as of 2026-06-30; 13 registered fund positions totaling $36.0M via N-PORT as of 2026-05-31.
Showing 15 of 329 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $172.8M | 16,841,423 |
| BlackRock, Inc. | New York, NY | $110.6M | 16,139,212 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $42.5M | 687,823 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $32.2M | 4,700,305 |
| STATE STREET CORP | BOSTON, MA | $30.9M | 4,516,820 |
| Defiance ETFs, LLC | NEW YORK, NY | $30.8M | 4,495,083 |
| Marex Group plc | London, X0 | $30.7M | 4,488,912 |
| CITADEL ADVISORS LLC | MIAMI, FL | $28.8M | 860,980 |
| CAPITAL FUND MANAGEMENT S.A. | PARIS, I0 | $23.7M | 1,700,895 |
| Bank of New York Mellon Corp | NEW YORK, NY | $19.2M | 1,975,697 |
| MORGAN STANLEY | NEW YORK, NY | $15.9M | 2,320,726 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | CENTRAL, K3 | $15.1M | 2,203,301 |
| WOLVERINE TRADING, LLC | CHICAGO, IL | $12.8M | — |
| Walleye Trading LLC | NEW YORK, NY | $11.6M | — |
| NORTHERN TRUST CORP | CHICAGO, IL | $11.6M | 1,689,081 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $14.6M | 1.79% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $12.4M | 7.07% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $3.8M | 1.75% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $2.3M | 4.71% |
| Fidelity Nasdaq Composite Index ETF | Fidelity Commonwealth Trust | $936K | 0.86% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $795K | 0.13% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $756K | 0.25% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $193K | 4.61% |
| Nuveen Nasdaq 100 Dynamic Overwrite Fund | Nuveen NASDAQ 100 Dynamic Overwrite Fund | $182K | 1.30% |
| Nuveen S&P 500 Dynamic Overwrite Fund | Nuveen S&P 500 Dynamic Overwrite Fund | $103K | 0.41% |
| TIAA Separate Account VA-1 - Stock Index Account | TIAA Separate Account VA-1 | $17K | 0.13% |
| Berkshire Focus Fund | BERKSHIRE FUNDS | $69 | — |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $-36K | -0.10% |