QUANTUM CORP /DE/ - Common Stock (QMCO)

Historical Holders from Q3 2024 to Q3 2025

Symbol
QMCO on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
21,824,102
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
865,123
Holdings value
$8,581,114
% of all portfolios
0%
Number of holders
28
Number of buys
15
Number of sells
-13
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of QUANTUM CORP /DE/ - Common Stock (QMCO)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Dialectic Technology SPV LLC 37.3% +1.2% $60,890,117 +$40,929,146 8,140,390 +2.1% JOHN FICHTHORN 18 Dec 2025
VANGUARD GROUP INC 4.99% $2,714,883 242,184 The Vanguard Group 31 Dec 2024
Blue Torch Capital LP 2.3% -67.5% $1,521,903 -$3,029,110 135,763 -66.6% Blue Torch Capital LP 13 Feb 2025

Institutional Holders of QUANTUM CORP /DE/ - Common Stock (QMCO)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 865,123 $8,581,114 -$227,218 $9.92 28
2025 Q2 884,339 $8,816,100 -$12,755,971 $9.97 34
2025 Q1 1,689,433 $24,295,053 -$24,451,428 $14.38 29
2024 Q4 1,735,848 $93,599,486 +$12,327,384 $53.92 42
2024 Q3 2,274,493 $7,960,753 +$7,810,308 $3.5 26