QUANTUM CORP /DE/ - Common Stock (QMCO)

Historical Holders from Q3 2024 to Q3 2025

Symbol
QMCO on Nasdaq
CUSIP
747906600
Type / Class
Equity / Common Stock
Shares outstanding
16M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
865K
Holdings value
$8.58M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
27
Number of buys
15
Number of sells
-12
Average Value change %
0%
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 16.7% $19M 2.67M JOHN FICHTHORN Sep 23, 2025
VANGUARD GROUP INC 4.99% $2.72M 242K The Vanguard Group Dec 31, 2024
Blue Torch Capital LP 2.3% -67.5% $1.52M -$3.03M 136K -66.6% Blue Torch Capital LP Feb 13, 2025

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

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 865K $8.58M -$224K $9.92 27
2025 Q2 884K $8.82M -$12.8M $9.97 34
2025 Q1 1.69M $24.3M -$24.5M $14.38 29
2024 Q4 1.74M $93.6M +$12.3M $53.92 41
2024 Q3 2.27M $7.96M +$7.81M $3.50 26