Quantum Corporation (QMCO)
NASDAQ: QMCO
· Real-Time Price · USD
11.76
0.84 (7.69%)
At close: Oct 03, 2025, 3:59 PM
11.67
-0.77%
After-hours: Oct 03, 2025, 07:59 PM EDT
13F Institute Ownership
Total Institutes of 34 in Quantum expanded their positions with an increase of 5 investors compared to the previous quarter. A reduction of 805.09K shares, as total invested capital declined by $15.48M with ownership percentage dropping from 34.43% to 18.02%.
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Vanguard Group Inc | 5.23% | 256.68K | +0.88% | 2.56M | < 0.01% | Aug 11, 2025 |
| Marshall Wace, Llp | 3.63% | 178.02K | +100.00% | 1.77M | < 0.01% | Aug 13, 2025 |
| Blackrock, Inc. | 2.88% | 141.31K | +9.35% | 1.41M | < 0.01% | Aug 12, 2025 |
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