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 |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 14,819,147 | $5.17M | 0.00% | −513,603−3.3% | Reduced |
| Allianz Asset Management GmbH | 10,248,322 | $3.58M | 0.01% | 00.0% | Unchanged |
| Long Focus Capital Management, LLC | 9,160,819 | $3.20M | 0.41% | +2,686,919+41.5% | Added |
| Vanguard Group Inc | 5,018,880 | $1.75M | 0.00% | 00.0% | Unchanged |
| TCW Group Inc | 2,120,168 | $742.1K | 0.01% | 00.0% | Unchanged |
| B. Riley Financial, Inc. | 1,995,303 | $697.1K | 0.44% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 1,338,647 | $467.2K | 0.09% | −63,809−4.5% | Reduced |
| BlackRock Inc. | 1,011,595 | $353.0K | 0.00% | −1,840−0.2% | Reduced |
| Herald Investment Management Ltd | 1,000,000 | $345.3K | 0.07% | 00.0% | Unchanged |
| King Luther Capital Management Corp | 980,000 | $342.0K | 0.00% | −404,915−29.2% | Reduced |
| Geode Capital Management, LLC | 962,748 | $336.1K | 0.00% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 389,993 | $136.1K | 0.00% | +140,638+56.4% | Added |
| State Street Corp | 342,335 | $119.5K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 204,572 | $71.0K | 0.00% | −213,758−51.1% | Reduced |
| Northern Trust Corp | 199,664 | $69.7K | 0.00% | −3,374−1.7% | Reduced |
| Kovack Advisors, Inc. | 197,710 | $69.0K | 0.01% | −295,619−59.9% | Reduced |
| Citadel Advisors LLC | 182,090 | $63.5K | 0.00% | +182,090 | New |
| Price T Rowe Associates Inc | 175,200 | $62.0K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 105,545 | $36.8K | 0.00% | −23,054−17.9% | Reduced |
| Bridgeway Capital Management, LLC | 84,800 | $29.6K | 0.00% | −274,000−76.4% | Reduced |
| SEI Investments Co | 46,742 | $16.4K | 0.00% | −2,011−4.1% | Reduced |
| Ameriprise Financial Inc | 37,439 | $13.1K | 0.00% | −4,574−10.9% | Reduced |
| Concurrent Investment Advisors, LLC | 35,000 | $12.2K | 0.00% | +35,000 | New |
| HighTower Advisors, LLC | 26,023 | $9.00K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 25,363 | $8.85K | 0.00% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 23,780 | $8.30K | 0.00% | +23,780 | New |
| Russell Investments Group, Ltd. | 23,660 | $8.26K | 0.00% | −1,991−7.8% | Reduced |
| Ground Swell Capital, LLC | 23,428 | $8.18K | 0.03% | +23,428 | New |
| XTX Topco Ltd | 22,023 | $7.69K | 0.00% | +22,023 | New |
| Goldman Sachs Group Inc | 20,635 | $7.20K | 0.00% | −4,516−18.0% | Reduced |
| Engineers Gate Manager LP | 20,487 | $7.15K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 20,399 | $7.00K | 0.00% | +2,729+15.4% | Added |
| Jane Street Group, LLC | 18,382 | $6.42K | 0.00% | −1,714−8.5% | Reduced |
| Two Sigma Investments, LP | 17,606 | $6.14K | 0.00% | −200−1.1% | Reduced |
| Atria Wealth Solutions, Inc. | 17,000 | $5.93K | 0.00% | 00.0% | Unchanged |
| McAdam, LLC | 16,151 | $5.64K | 0.00% | +16,151 | New |
| Tower Research Capital LLC (TRC) | 13,369 | $4.67K | 0.00% | +13,369 | New |
| UBS Group AG | 13,122 | $4.58K | 0.00% | +12,858+4,870.5% | Added |
| Two Sigma Securities, LLC | 12,561 | $4.38K | 0.00% | +12,561 | New |
| Envestnet Asset Management Inc | 12,462 | $4.35K | 0.00% | +747+6.4% | Added |
| Public Employees Retirement System of Ohio | 12,458 | $4.35K | 0.00% | −3,500−21.9% | Reduced |
| Morgan Stanley | 10,748 | $3.75K | 0.00% | +881+8.9% | Added |
| Pathstone Holdings, LLC | 10,254 | $3.58K | 0.00% | +10,254 | New |
| Barclays PLC | 9,110 | $3.18K | 0.00% | −9,110−50.0% | Reduced |
| Bank of America Corp | 6,833 | $2.38K | 0.00% | 00.0% | Unchanged |
| Cambridge Trust Co | 5,868 | $2.05K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 3,663 | $1.28K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 3,750 | $1.27K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 743 | $259 | 0.00% | +38+5.4% | Added |
| Advisor Group Holdings, Inc. | 718 | $250 | 0.00% | −138−16.1% | Reduced |
| Truvestments Capital LLC | 687 | $240 | 0.00% | 00.0% | Unchanged |
| Highlander Capital Management, LLC | 525 | $183 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 351 | $122 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 294 | $103 | 0.00% | +22+8.1% | Added |
| The PNC Financial Services Group, Inc. | 239 | $83 | 0.00% | +236+7,866.7% | Added |
| Captrust Financial Advisors | 175 | $61 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 171 | $59 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 161 | $57 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 5 | $2 | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |