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, Q3 2023
Institutional positions in Quantum Corp as of Sep 30, 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. Q2 2023
- Shares held
- 57.0M
- −1.27M (−2.2%) vs. Q2 2023
- Total value
- $34.8M
- −$28.3M (−44.9%) vs. Q2 2023
- New holders
- 10
- 11 more added
- Sold out
- 11
- 17 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 15,332,750 | $9.35M | 0.01% | −281,068−1.8% | Reduced |
| Allianz Asset Management GmbH | 10,248,322 | $6.25M | 0.01% | 00.0% | Unchanged |
| Long Focus Capital Management, LLC | 6,473,900 | $3.95M | 0.57% | +1,058,528+19.5% | Added |
| Vanguard Group Inc | 5,018,880 | $3.06M | 0.00% | 00.0% | Unchanged |
| Solas Capital Management, LLC | 2,805,443 | $1.71M | 1.20% | −931,177−24.9% | Reduced |
| Senvest Management, LLC | 2,550,931 | $1.56M | 0.06% | 00.0% | Unchanged |
| TCW Group Inc | 2,120,168 | $1.29M | 0.02% | 00.0% | Unchanged |
| B. Riley Financial, Inc. | 1,995,303 | $1.22M | 0.41% | −441,000−18.1% | Reduced |
| Roumell Asset Management, LLC | 1,687,553 | $1.03M | 2.07% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 1,402,456 | $855.5K | 0.20% | −35,996−2.5% | Reduced |
| King Luther Capital Management Corp | 1,384,915 | $844.8K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 1,013,435 | $618.2K | 0.00% | −28,790−2.8% | Reduced |
| Herald Investment Management Ltd | 1,000,000 | $610.0K | 0.13% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 962,748 | $587.4K | 0.00% | −40,221−4.0% | Reduced |
| Kovack Advisors, Inc. | 493,329 | $300.9K | 0.04% | −22,148−4.3% | Reduced |
| Acadian Asset Management LLC | 418,330 | $254.0K | 0.00% | +16,968+4.2% | Added |
| Bridgeway Capital Management, LLC | 358,800 | $218.9K | 0.01% | +39,000+12.2% | Added |
| State Street Corp | 342,335 | $208.8K | 0.00% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 249,355 | $152.1K | 0.00% | +43,148+20.9% | Added |
| Northern Trust Corp | 203,038 | $123.9K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 175,200 | $107.0K | 0.00% | +28,800+19.7% | Added |
| Millennium Management LLC | 128,599 | $78.4K | 0.00% | −221,701−63.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 64,066 | $39.1K | 0.00% | +38,592+151.5% | Added |
| Charles Schwab Investment Management Inc | 57,798 | $35.3K | 0.00% | 00.0% | Unchanged |
| Marathon Capital Management | 50,000 | $30.5K | 0.01% | −10,000−16.7% | Reduced |
| SEI Investments Co | 48,753 | $29.7K | 0.00% | −1,624−3.2% | Reduced |
| Ameriprise Financial Inc | 42,013 | $25.6K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 34,751 | $21.0K | 0.00% | +16,466+90.1% | Added |
| HighTower Advisors, LLC | 26,023 | $16.0K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 25,651 | $15.6K | 0.00% | −385−1.5% | Reduced |
| Bank of New York Mellon Corp | 25,363 | $15.5K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 25,151 | $15.3K | 0.00% | +13,185+110.2% | Added |
| Engineers Gate Manager LP | 20,487 | $12.5K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 20,096 | $12.3K | 0.00% | +20,096 | New |
| Delta Investment Management, LLC | 19,245 | $11.7K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 18,220 | $11.1K | 0.00% | +9,110+100.0% | Added |
| Renaissance Technologies LLC | 17,670 | $11.0K | 0.00% | +17,670 | New |
| Two Sigma Investments, LP | 17,806 | $10.9K | 0.00% | −10,500−37.1% | Reduced |
| Atria Wealth Solutions, Inc. | 17,000 | $10.4K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 15,958 | $10.0K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 11,812 | $7.21K | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 11,715 | $7.15K | 0.00% | +11,715 | New |
| Victory Capital Management Inc | 10,437 | $6.37K | 0.00% | +10,437 | New |
| Pathstone Family Office, LLC | 10,254 | $6.25K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 9,867 | $6.02K | 0.00% | −10,292−51.1% | Reduced |
| Bank of America Corp | 6,833 | $4.17K | 0.00% | −15,216−69.0% | Reduced |
| Cambridge Trust Co | 5,868 | $3.58K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 3,750 | $2.29K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 3,663 | $2.23K | 0.00% | +3,663 | New |
| Spire Wealth Management | 1,400 | $854 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 856 | $521 | 0.00% | −106−11.0% | Reduced |
| Wells Fargo & Company | 705 | $430 | 0.00% | −15,065−95.5% | Reduced |
| Truvestments Capital LLC | 687 | $419 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 351 | $214 | 0.00% | +351 | New |
| JPMorgan Chase & Co | 272 | $166 | 0.00% | +95+53.7% | Added |
| UBS Group AG | 264 | $161 | 0.00% | +139+111.2% | Added |
| Captrust Financial Advisors | 175 | $107 | 0.00% | −12,451−98.6% | Reduced |
| Proequities, Inc. | 171 | $104 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 161 | $99 | 0.00% | +161 | New |
| Cornerstone Planning Group LLC | 5 | $3 | 0.00% | +5 | New |
| The PNC Financial Services Group, Inc. | 3 | $2 | 0.00% | +3 | New |
| Highlander Capital Management, LLC | 525 | $0 | 0.00% | +525 | New |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −228,619−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −170,642−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −75,890−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,338−100.0% | Sold out |
| RBF Capital, LLC | 0 | $0 | 0.00% | −11,025−100.0% | Sold out |
| Platform Technology Partners | 0 | $0 | 0.00% | −10,269−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −6,883−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −6,391−100.0% | Sold out |
| Operose Advisors LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −527−100.0% | Sold out |
| BDO Wealth Advisors, LLC | – | – | – | – | Not filed |