QUANTUM CORP's ticker is QMCO and the CUSIP is 747906501. A total of 69 filers reported holding QUANTUM CORP in Q3 2018. The put-call ratio across all filers is 1.83 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 ↓ |
|---|---|---|---|
| B. Riley Financial, Inc. | 8,547,611 | $52,311,000 | 8.48% |
| Deep Field Asset Management LLC | 792,005 | $4,847,000 | 2.53% |
| Union Square Park Capital Management, LLC | 587,775 | $3,597,000 | 1.43% |
| Eidelman Virant Capital | 468,850 | $2,868,000 | 1.25% |
| Pacific Ridge Capital Partners, LLC | 683,013 | $4,180,000 | 1.02% |
| Adirondack Research & Management Inc. | 90,590 | $554,000 | 0.76% |
| EQUITEC PROPRIETARY MARKETS, LLC | 361,987 | $2,215,000 | 0.58% |
| HEARTLAND ADVISORS INC | 662,755 | $4,056,000 | 0.29% |
| TCW GROUP INC | 3,262,290 | $19,965,000 | 0.17% |
| FRIESS ASSOCIATES LLC | 349,597 | $2,140,000 | 0.16% |