Quantum Corp /DE/
- Stock Issuer and Owners
| Message |
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| Quantum Corp /DE/ |
| Ticker | QMCO |
| CIK # | 0000709283 |
| CUSIP | 747906501 |
| Sector | Technology - Computer Storage Devices |
| Address | 1650 Technology Drive Suite 700, San Jose, CA 95110 |
| Source |
[EDGAR]
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| Form 3/4/5 Filer |
2011 - 2025 |
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Craythorne Anthony
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Quantum Corp /DE/
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Fichthorn John
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Cabrera Brian E
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Moorehead Lewis W.
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Lerner James J
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Pacific Investment Management Co LLC
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Nash Laura A.
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Gianella Kenneth P.
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Spanjaard Henk Jan
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Tracy John R.
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Jaworksi Don
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White Yue Zhou
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Meyrath Hugues
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Arden Todd
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Hurley John
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Dodson J Michael
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Jacoby Rebecca
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Rothman Marc E
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Neumeyer Christopher D.
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Rau Raghavendra
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Riley Bryant R
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B. Riley Financial, Inc.
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B. Riley Securities, Inc.
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King Elizabeth
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BRC Partners Management GP, LLC
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BRC Partners Opportunity Fund, LP
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B Riley Capital Management LLC
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MacPherson Regan J
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Martella Donald E. Jr.
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B Riley Securities Inc
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VIEX Special Opportunities GP III, LLC
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VIEX Opportunities Fund, LP - Series Two
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VIEX Capital Advisors, LLC
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VIEX Special Opportunities Fund III, LP
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VIEX Opportunities Fund, LP Series One
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VIEX GP LLC
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Singer Eric
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BR Dialectic Capital Management, LLC
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Dialectic Antithesis Partners, LP
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Press Clifford
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Sanchez Adalio T
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Hall Shawn D
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Ahmad Fuad
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Stedman Geoff G.
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Britts William C
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Dennis Patrick
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Gacek Jon W
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Auvil Paul R. III
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Pinchev Alex
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Clark Robert S.
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Mutch John
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Powers Gregg J
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Roberson David Earle
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Krall David
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Dinardo Louis
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Fuller Dale L
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Starboard Value & Opportunity C LP
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Starboard Principal Co LP
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Starboard Value & Opportunity Master Fund Ltd
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Starboard Value & Opportunity S LLC
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Starboard Value LP
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Starboard Value R LP
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Starboard Value GP LLC
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Starboard Principal Co GP LLC
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Starboard Value R GP LLC
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Smith Jeffrey C
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Feld Peter A
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Mitchell Mark R
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Willis Christopher Shawn
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Black Philip
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Andersen Robert J
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Lee Janae S.
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Breard Linda M.
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Soros Fund Management LLC
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Soros George
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Soros Robert
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Crowell Christopher
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Terino Edward
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Brown Michael A/CA
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Stinson Theodore A.
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Buchsbaum Thomas S
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Fetter Elizabeth A
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Marengi Joseph A
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Belluzzo Richard
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| Form 13F Holdings |
| Firm |
Period |
DFND |
Voting |
Shares |
| Vanguard Group Inc |
[2025-06-30]
|
SOLE |
0 |
255,206 |
| Marshall Wace LLP |
[2025-06-30]
|
OTR |
0 |
178,021 |
| BlackRock, Inc. |
[2025-06-30]
|
SOLE |
141,311 |
141,311 |
| Geode Capital Management LLC |
[2025-06-30]
|
DFND |
69,384 |
69,384 |
| UBS Group AG |
[2025-06-30]
|
DFND |
60,221 |
60,221 |
| Morgan Stanley |
[2025-06-30]
|
DFND |
5,377 |
45,733 |
| State Street Corp |
[2025-06-30]
|
DFND |
27,347 |
27,347 |
| Sassicaia Capital Advisers LLC |
[2025-06-30]
|
SOLE |
23,267 |
23,267 |
| Royal Bank of Canada |
[2025-06-30]
|
DFND |
19,353 |
19,353 |
| Northern Trust Corp |
[2025-06-30]
|
DFND |
11,687 |
11,687 |
| Apollon Wealth Management LLC |
[2025-06-30]
|
SOLE |
0 |
10,714 |
| CIBC Private Wealth Group LLC |
[2025-06-30]
|
SOLE |
10,404 |
10,404 |
| SBI Securities Co., Ltd. |
[2025-06-30]
|
DFND |
5,636 |
5,636 |
| Wells Fargo & Company/MN |
[2025-06-30]
|
DFND |
0 |
5,315 |
| Alphaquest LLC |
[2025-06-30]
|
SOLE |
4,707 |
4,707 |
| Raymond James Financial Inc |
[2025-06-30]
|
DFND |
0 |
4,615 |
| Hollencrest Capital Management |
[2025-06-30]
|
SOLE |
2,000 |
2,000 |
| Vanguard Group Inc |
[2025-06-30]
|
DFND |
0 |
1,472 |
| Citigroup Inc |
[2025-06-30]
|
DFND |
1,236 |
1,236 |
| BNP Paribas Financial Markets |
[2025-06-30]
|
DFND |
0 |
820 |
| Tower Research Capital LLC (TRC) |
[2025-06-30]
|
OTR |
722 |
722 |
| Newedge Advisors LLC |
[2025-06-30]
|
SOLE |
0 |
700 |
| FNY Investment Advisers LLC |
[2025-06-30]
|
DFND |
667 |
667 |
| Bank of America Corp /DE/ |
[2025-06-30]
|
DFND |
1 |
662 |
| Caitong International Asset Management Co., Ltd |
[2025-06-30]
|
SOLE |
0 |
632 |
| Jones Financial Companies LLLP |
[2025-06-30]
|
SOLE |
494 |
494 |
| Barclays PLC |
[2025-06-30]
|
SOLE |
455 |
455 |
| Fifth Third Bancorp |
[2025-06-30]
|
DFND |
295 |
295 |
| Whittier Trust Co |
[2025-06-30]
|
SOLE |
0 |
187 |
| Fortitude Family Office LLC |
[2025-06-30]
|
SOLE |
46 |
46 |
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