QUANTUM CORP's ticker is QMCO and the CUSIP is 747906501. A total of 72 filers reported holding QUANTUM CORP in Q1 2023. The put-call ratio across all filers is 0.14 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $1 | – | 1 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q2 2022 | $0 | – | 1 | -99.0% | 0.00% | – |
| Q1 2022 | $0 | -100.0% | 100 | 0.0% | 0.00% | – |
| Q4 2021 | $1,000 | -93.3% | 100 | -95.3% | 0.00% | – |
| Q2 2021 | $15,000 | -77.3% | 2,146 | -73.1% | 0.00% | – |
| Q1 2021 | $66,000 | +1.5% | 7,973 | -25.4% | 0.00% | – |
| Q4 2020 | $65,000 | -28.6% | 10,681 | -45.7% | 0.00% | – |
| Q3 2020 | $91,000 | +19.7% | 19,681 | 0.0% | 0.00% | – |
| Q2 2020 | $76,000 | +65.2% | 19,681 | +27.5% | 0.00% | – |
| Q1 2020 | $46,000 | +53.3% | 15,438 | +2.2% | 0.00% | – |
| Q4 2018 | $30,000 | -63.9% | 15,107 | -56.5% | 0.00% | -100.0% |
| Q3 2018 | $83,000 | +31.7% | 34,707 | +20.8% | 0.00% | 0.0% |
| Q2 2018 | $63,000 | -18.2% | 28,742 | +35.3% | 0.00% | 0.0% |
| Q1 2018 | $77,000 | +126.5% | 21,242 | +251.6% | 0.00% | – |
| Q4 2017 | $34,000 | -8.1% | 6,042 | 0.0% | 0.00% | – |
| Q3 2017 | $37,000 | -2.6% | 6,042 | +24.8% | 0.00% | – |
| Q2 2017 | $38,000 | – | 4,842 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Long Focus Capital Management, LLC | 9,174,122 | $3,753,133 | 0.14% |
| Pacific Ridge Capital Partners, LLC | 1,264,992 | $517,508 | 0.12% |
| Herald Investment Management Ltd | 1,000,000 | $426,000 | 0.07% |
| Kovack Advisors, Inc. | 267,901 | $109,598 | 0.01% |
| TCW GROUP INC | 2,120,168 | $742,059 | 0.01% |
| Allianz Asset Management GmbH | 10,248,322 | $4,192,589 | 0.01% |
| Neuberger Berman Group LLC | 14,308,945 | $5,852,569 | 0.01% |
| Advance Capital Management, Inc. | 98,448 | $40,275 | 0.00% |
| Virtu Financial LLC | 68,869 | $28 | 0.00% |
| KING LUTHER CAPITAL MANAGEMENT CORP | 980,000 | $400,918 | 0.00% |