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, Q4 2023
Institutional positions in Quantum Corp as of Dec 31, 2023. 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
- 62
- +1 vs. Q3 2023
- Shares held
- 51.1M
- −5.93M (−10.4%) vs. Q3 2023
- Total value
- $17.8M
- −$16.9M (−48.8%) vs. Q3 2023
- New holders
- 12
- 9 more added
- Sold out
- 11
- 18 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 584 | $0 | 0.00% | +584 | New |
| Simplex Trading, LLC | 133 | $0 | 0.00% | +133 | New |
| CWM, LLC | 129 | $0 | 0.00% | +129 | New |
| Cornerstone Planning Group LLC | 5 | $2 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 161 | $57 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 171 | $59 | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 175 | $61 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 239 | $83 | 0.00% | +236+7,866.7% | Added |
| JPMorgan Chase & Co | 294 | $103 | 0.00% | +22+8.1% | Added |
| Comerica Bank | 351 | $122 | 0.00% | 00.0% | Unchanged |
| Highlander Capital Management, LLC | 525 | $183 | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 687 | $240 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 718 | $250 | 0.00% | −138−16.1% | Reduced |
| Wells Fargo & Company | 743 | $259 | 0.00% | +38+5.4% | Added |
| Whittier Trust Co | 3,750 | $1.27K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 3,663 | $1.28K | 0.00% | 00.0% | Unchanged |
| Cambridge Trust Co | 5,868 | $2.05K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 6,833 | $2.38K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 9,110 | $3.18K | 0.00% | −9,110−50.0% | Reduced |
| Pathstone Holdings, LLC | 10,254 | $3.58K | 0.00% | +10,254 | New |
| Morgan Stanley | 10,748 | $3.75K | 0.00% | +881+8.9% | Added |
| Public Employees Retirement System of Ohio | 12,458 | $4.35K | 0.00% | −3,500−21.9% | Reduced |
| Envestnet Asset Management Inc | 12,462 | $4.35K | 0.00% | +747+6.4% | Added |
| Two Sigma Securities, LLC | 12,561 | $4.38K | 0.00% | +12,561 | New |
| UBS Group AG | 13,122 | $4.58K | 0.00% | +12,858+4,870.5% | Added |
| Tower Research Capital LLC (TRC) | 13,369 | $4.67K | 0.00% | +13,369 | New |
| McAdam, LLC | 16,151 | $5.64K | 0.00% | +16,151 | New |
| Atria Wealth Solutions, Inc. | 17,000 | $5.93K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 17,606 | $6.14K | 0.00% | −200−1.1% | Reduced |
| Jane Street Group, LLC | 18,382 | $6.42K | 0.00% | −1,714−8.5% | Reduced |
| Renaissance Technologies LLC | 20,399 | $7.00K | 0.00% | +2,729+15.4% | Added |
| Engineers Gate Manager LP | 20,487 | $7.15K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 20,635 | $7.20K | 0.00% | −4,516−18.0% | Reduced |
| XTX Topco Ltd | 22,023 | $7.69K | 0.00% | +22,023 | New |
| Ground Swell Capital, LLC | 23,428 | $8.18K | 0.03% | +23,428 | New |
| Russell Investments Group, Ltd. | 23,660 | $8.26K | 0.00% | −1,991−7.8% | Reduced |
| Landscape Capital Management, L.L.C. | 23,780 | $8.30K | 0.00% | +23,780 | New |
| Bank of New York Mellon Corp | 25,363 | $8.85K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 26,023 | $9.00K | 0.00% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 35,000 | $12.2K | 0.00% | +35,000 | New |
| Ameriprise Financial Inc | 37,439 | $13.1K | 0.00% | −4,574−10.9% | Reduced |
| SEI Investments Co | 46,742 | $16.4K | 0.00% | −2,011−4.1% | Reduced |
| Bridgeway Capital Management, LLC | 84,800 | $29.6K | 0.00% | −274,000−76.4% | Reduced |
| Millennium Management LLC | 105,545 | $36.8K | 0.00% | −23,054−17.9% | Reduced |
| Price T Rowe Associates Inc | 175,200 | $62.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 182,090 | $63.5K | 0.00% | +182,090 | New |
| Kovack Advisors, Inc. | 197,710 | $69.0K | 0.01% | −295,619−59.9% | Reduced |
| Northern Trust Corp | 199,664 | $69.7K | 0.00% | −3,374−1.7% | Reduced |
| Acadian Asset Management LLC | 204,572 | $71.0K | 0.00% | −213,758−51.1% | Reduced |
| State Street Corp | 342,335 | $119.5K | 0.00% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 389,993 | $136.1K | 0.00% | +140,638+56.4% | Added |
| Geode Capital Management, LLC | 962,748 | $336.1K | 0.00% | 00.0% | Unchanged |
| King Luther Capital Management Corp | 980,000 | $342.0K | 0.00% | −404,915−29.2% | Reduced |
| Herald Investment Management Ltd | 1,000,000 | $345.3K | 0.07% | 00.0% | Unchanged |
| BlackRock Inc. | 1,011,595 | $353.0K | 0.00% | −1,840−0.2% | Reduced |
| Pacific Ridge Capital Partners, LLC | 1,338,647 | $467.2K | 0.09% | −63,809−4.5% | Reduced |
| B. Riley Financial, Inc. | 1,995,303 | $697.1K | 0.44% | 00.0% | Unchanged |
| TCW Group Inc | 2,120,168 | $742.1K | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,018,880 | $1.75M | 0.00% | 00.0% | Unchanged |
| Long Focus Capital Management, LLC | 9,160,819 | $3.20M | 0.41% | +2,686,919+41.5% | Added |
| Allianz Asset Management GmbH | 10,248,322 | $3.58M | 0.01% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 14,819,147 | $5.17M | 0.00% | −513,603−3.3% | Reduced |
| Solas Capital Management, LLC | 0 | $0 | 0.00% | −2,805,443−100.0% | Sold out |
| Senvest Management, LLC | 0 | $0 | 0.00% | −2,550,931−100.0% | Sold out |
| Roumell Asset Management, LLC | 0 | $0 | 0.00% | −1,687,553−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −64,066−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −57,798−100.0% | Sold out |
| Marathon Capital Management | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −34,751−100.0% | Sold out |
| Delta Investment Management, LLC | 0 | $0 | 0.00% | −19,245−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −11,812−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −10,437−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Pathstone Family Office, LLC | – | – | – | – | Not filed |