QUANTUM CORP COM is a security (CUSIP 747906600) tracked across SEC portfolio filings. 38 institutional managers reported $9.6M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $773K via N-PORT as of 2026-03-31.
Showing 15 of 38 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $4.0M | 625,538 |
| Walleye Capital LLC | NEW YORK, NY | $1.3M | 120,044 |
| BlackRock, Inc. | New York, NY | $1.0M | 217,532 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $756K | 159,179 |
| UBS Group AG | Zurich, V8 | $471K | 99,068 |
| STATE STREET CORP | BOSTON, MA | $346K | 72,814 |
| SONA ASSET MANAGEMENT (US) LLC | NEW YORK, NY | $333K | 70,092 |
| MARSHALL WACE, LLP | LONDON, X0 | $178K | 37,528 |
| CITIGROUP INC | NEW YORK, NY | $159K | 14,426 |
| Kovack Advisors, Inc. | FT. LAUDERDALE, FL | $147K | 13,430 |
| NORTHERN TRUST CORP | CHICAGO, IL | $137K | 28,762 |
| FLAGSHIP HARBOR ADVISORS, LLC | BOSTON, MA | $121K | 11,004 |
| LPL Financial LLC | FORT MILL, SC | $117K | 24,598 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $97K | 20,485 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | HOUSTON, TX | $77K | 16,240 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $728K | 0.09% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $32K | 0.01% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $24K | 0.00% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $-11K | -0.03% |