QUANTUM CORP's ticker is QMCO and the CUSIP is 747906501. A total of 112 filers reported holding QUANTUM CORP in Q2 2021. The put-call ratio across all filers is 0.32 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $78,445 | -79.3% | 128,599 | -63.3% | 0.00% | – |
| Q2 2023 | $378,324 | +52812.4% | 350,300 | -43.7% | 0.00% | – |
| Q1 2023 | $715 | +75.7% | 621,669 | +66.5% | 0.00% | – |
| Q4 2022 | $407 | -99.9% | 373,283 | -4.9% | 0.00% | – |
| Q3 2022 | $424,000 | -68.1% | 392,469 | -58.1% | 0.00% | -100.0% |
| Q2 2022 | $1,331,000 | +24.9% | 937,670 | +385.5% | 0.00% | 0.0% |
| Q4 2021 | $1,066,000 | +108.2% | 193,137 | +95.2% | 0.00% | – |
| Q3 2021 | $512,000 | -70.6% | 98,927 | -60.9% | 0.00% | -100.0% |
| Q2 2021 | $1,743,000 | +134.6% | 252,991 | +183.6% | 0.00% | 0.0% |
| Q1 2021 | $743,000 | +212.2% | 89,213 | +129.8% | 0.00% | – |
| Q4 2020 | $238,000 | -83.0% | 38,817 | -91.8% | 0.00% | -100.0% |
| Q1 2020 | $1,397,000 | +773.1% | 473,400 | +493.1% | 0.00% | – |
| Q4 2018 | $160,000 | -84.7% | 79,813 | -81.7% | 0.00% | -100.0% |
| Q3 2018 | $1,048,000 | -5.6% | 436,706 | -13.4% | 0.00% | 0.0% |
| Q2 2018 | $1,110,000 | +704.3% | 504,478 | +2754.4% | 0.00% | – |
| Q2 2017 | $138,000 | – | 17,674 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| VIEX Capital Advisors, LLC | 3,691,464 | $20,783,000 | 12.68% |
| Alta Fundamental Advisers LLC | 1,273,334 | $7,168,000 | 4.37% |
| PenderFund Capital Management Ltd. | 723,120 | $4,440,000 | 2.91% |
| Pacific Ridge Capital Partners, LLC | 882,753 | $4,970,000 | 1.31% |
| Fondren Management LP | 225,000 | $1,267,000 | 0.89% |
| Millrace Asset Group, Inc. | 130,695 | $736,000 | 0.71% |
| Portolan Capital Management | 1,098,137 | $6,183,000 | 0.68% |
| Park West Asset Management LLC | 2,375,000 | $13,371,000 | 0.61% |
| Private Capital Management, LLC | 408,709 | $2,301,000 | 0.37% |
| BOOTHBAY FUND MANAGEMENT, LLC | 62,021 | $349,000 | 0.05% |