Quantum Corp
QMCO- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0000709283
In the last 90 days, Quantum Corp insiders filed 0 open-market purchases and 3 sales; 60 institutions reported holding it in 13F filings for Q2 2026, worth $158.1M in total; Oaktree Capital is the only superinvestor holding it.
13F holders, Q2 2025
Institutional positions in Quantum Corp as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 35
- +6 vs. Q1 2025
- Shares held
- 884.3K
- −805.1K (−47.7%) vs. Q1 2025
- Total value
- $8.82M
- −$15.5M (−63.7%) vs. Q1 2025
- New holders
- 13
- 9 more added
- Sold out
- 7
- 8 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QMCO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 60 | $158.1M |
| Q1 2026 | 37 | $7.66M |
| Q4 2025 | 40 | $13.3M |
| Q3 2025 | 29 | $8.58M |
| Q2 2025 | 35 | $8.82M |
| Q1 2025 | 29 | $24.3M |
| Q4 2024 | 47 | $95.0M |
| Q3 2024 | 26 | $7.96M |
| Q2 2024 | 52 | $19.5M |
| Q1 2024 | 60 | $28.6M |
| Q4 2023 | 62 | $17.8M |
| Q3 2023 | 62 | $34.8M |
| Q2 2023 | 64 | $63.1M |
| Q1 2023 | 72 | $68.9M |
| Q4 2022 | 76 | $70.7M |
| Q3 2022 | 83 | $69.0M |
| Q2 2022 | 92 | $93.6M |
| Q1 2022 | 94 | $99.0M |
| Q4 2021 | 105 | $230.2M |
| Q3 2021 | 95 | $226.7M |
| Q2 2021 | 111 | $292.9M |
| Q1 2021 | 106 | $333.3M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Activest Wealth Management | 0 | $2 | 0.00% | −4,283−100.0% | Reduced |
| Farther Finance Advisors, LLC | 4 | $40 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 8 | $80 | 0.00% | −4,505−99.8% | Reduced |
| Advisor Group Holdings, Inc. | 35 | $348 | 0.00% | +10+40.0% | Added |
| Rialto Wealth Management, LLC | 42 | $419 | 0.00% | +42 | New |
| Fortitude Family Office, LLC | 46 | $459 | 0.00% | +46 | New |
| Whittier Trust Co | 187 | $1.86K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 295 | $2.94K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 494 | $4.47K | 0.00% | +77+18.5% | Added |
| Barclays PLC | 455 | $4.54K | 0.00% | −281−38.2% | Reduced |
| FNY Investment Advisers, LLC | 667 | $6.00K | 0.00% | +667 | New |
| Caitong International Asset Management Co., Ltd | 632 | $6.30K | 0.00% | −1,064−62.7% | Reduced |
| Bank of America Corp | 662 | $6.60K | 0.00% | −74,644−99.1% | Reduced |
| GWM Advisors LLC | 700 | $6.98K | 0.00% | +700 | New |
| Tower Research Capital LLC (TRC) | 722 | $7.20K | 0.00% | −1,572−68.5% | Reduced |
| BNP Paribas Arbitrage, SA | 820 | $8.18K | 0.00% | −2,441−74.9% | Reduced |
| Covestor Ltd | 942 | $9.00K | 0.01% | +942 | New |
| Citigroup Inc | 1,236 | $12.3K | 0.00% | +1,236 | New |
| Hollencrest Capital Management | 2,000 | $19.9K | 0.00% | +2,000 | New |
| Raymond James Financial Inc | 4,615 | $46.0K | 0.00% | +4,615 | New |
| Quest Partners LLC | 4,707 | $46.9K | 0.00% | −4,946−51.2% | Reduced |
| Wells Fargo & Company | 5,315 | $53.0K | 0.00% | +4,740+824.3% | Added |
| SBI Securities Co., Ltd. | 5,636 | $56.2K | 0.00% | +2,809+99.4% | Added |
| CIBC Private Wealth Group, LLC | 10,404 | $103.7K | 0.00% | +10,404 | New |
| Apollon Wealth Management, LLC | 10,714 | $106.8K | 0.00% | +10,714 | New |
| Northern Trust Corp | 11,687 | $116.5K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 19,353 | $193.0K | 0.00% | +19,353 | New |
| Sassicaia Capital Advisers LLC | 23,267 | $232.0K | 0.15% | +23,267 | New |
| State Street Corp | 27,347 | $272.6K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 45,733 | $456.0K | 0.00% | +43,519+1,965.6% | Added |
| UBS Group AG | 60,221 | $600.4K | 0.00% | +38,235+173.9% | Added |
| Geode Capital Management, LLC | 69,384 | $692.0K | 0.00% | +5,806+9.1% | Added |
| BlackRock, Inc. | 141,311 | $1.41M | 0.00% | +12,079+9.3% | Added |
| Marshall Wace, LLP | 178,021 | $1.77M | 0.00% | +178,021 | New |
| Vanguard Group Inc | 256,678 | $2.56M | 0.00% | +2,232+0.9% | Added |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −962,127−100.0% | Sold out |
| UNICOM Systems, Inc. | 0 | $0 | 0.00% | −75,237−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −19,721−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −15,667−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −20−100.0% | Sold out |