Latest Period
n/a
Security Snapshot
Quantum Corporation - Common Stock, par value $0.01 per share (QMCO) Institutional Ownership
CUSIP: 747906501
13F Institutional Holders and Ownership History from Q1 2017 to Q1 2025
Institutions Reporting
Shares (Excl. Options)
Price
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- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Symbol
- QMCO on Nasdaq
- Shares outstanding
- 6,545,082
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- QMCO - Quantum Corporation - Common Stock, par value $0.01 per share is tracked under CUSIP 747906501.
- Latest finished 13F holder period is not available.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 1 to 0 between Q4 2024 and Q1 2025.
- SEC-reported value moved from $1,038,240 to $0.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Schedule 13D/G
Open SEC evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Security key
747906501
Latest holder period
n/a
13F holders
13D/G owners
0
CIK / CUSIP context first
QMCO full holder history
QUANTUM CORP /DE/ SEC filings
QUANTUM CORP /DE/ company facts
QUANTUM CORP /DE/ insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 747906501:
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
33
Latest
n/a
Rows shown
1-25 of 33
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q1 | 0 | $0 | -$1,038,240 | 0 | |
| 2024 Q4 | 56,000 | $1,038,240 | +$1,038,240 | $18.54 | 1 |
| 2024 Q3 | 0 | $0 | -$19,121,396 | 0 | |
| 2024 Q2 | 47,925,726 | $19,496,501 | -$598,863 | $0.41 | 50 |
| 2024 Q1 | 46,878,656 | $27,892,580 | -$1,047,199 | $0.60 | 59 |
| 2023 Q4 | 51,049,921 | $17,813,308 | -$3,988,410 | $0.35 | 59 |
| 2023 Q3 | 56,991,089 | $34,765,638 | -$1,021,935 | $0.61 | 61 |
| 2023 Q2 | 58,265,110 | $63,081,314 | -$2,014,060 | $1.08 | 63 |
| 2023 Q1 | 60,056,937 | $68,899,917 | -$1,100,299 | $1.15 | 69 |
| 2022 Q4 | 64,858,596 | $70,697,393 | -$2,279,815 | $1.09 | 69 |
| 2022 Q3 | 63,173,963 | $68,954,439 | -$2,499,750 | $1.08 | 73 |
| 2022 Q2 | 64,547,951 | $93,483,000 | +$33,851,980 | $1.42 | 77 |
| 2022 Q1 | 40,526,229 | $98,893,270 | -$11,058,809 | $2.27 | 84 |
| 2021 Q4 | 41,884,617 | $230,149,250 | -$15,428,841 | $5.52 | 99 |
| 2021 Q3 | 40,961,375 | $212,070,802 | +$2,648,075 | $5.18 | 91 |
| 2021 Q2 | 42,091,337 | $292,922,957 | +$4,951,295 | $6.89 | 108 |
| 2021 Q1 | 38,408,976 | $319,464,218 | +$139,369,105 | $8.33 | 100 |
| 2020 Q4 | 25,362,772 | $154,481,900 | +$3,605,471 | $6.12 | 84 |
| 2020 Q3 | 24,097,017 | $110,816,400 | +$11,673,171 | $4.60 | 76 |
| 2020 Q2 | 21,568,714 | $83,255,940 | +$17,264,298 | $3.86 | 71 |
| 2020 Q1 | 17,397,228 | $51,314,550 | +$50,925,050 | $2.95 | 49 |
| 2019 Q4 | 220,406 | $962,000 | $7.42 | 3 | |
| 2019 Q3 | 220,406 | $742,000 | -$171,000 | $5.70 | 3 |
| 2019 Q2 | 250,406 | $425,000 | -$616,341 | $2.63 | 3 |
| 2019 Q1 | 489,958 | $999,000 | -$33,762,755 | $2.37 | 6 |