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 |
|---|---|---|---|---|---|
| Highlander Capital Management, LLC | 525 | $0 | 0.00% | +525 | New |
| The PNC Financial Services Group, Inc. | 3 | $2 | 0.00% | +3 | New |
| Cornerstone Planning Group LLC | 5 | $3 | 0.00% | +5 | New |
| Allworth Financial LP | 161 | $99 | 0.00% | +161 | New |
| Proequities, Inc. | 171 | $104 | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 175 | $107 | 0.00% | −12,451−98.6% | Reduced |
| UBS Group AG | 264 | $161 | 0.00% | +139+111.2% | Added |
| JPMorgan Chase & Co | 272 | $166 | 0.00% | +95+53.7% | Added |
| Comerica Bank | 351 | $214 | 0.00% | +351 | New |
| Truvestments Capital LLC | 687 | $419 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 705 | $430 | 0.00% | −15,065−95.5% | Reduced |
| Advisor Group Holdings, Inc. | 856 | $521 | 0.00% | −106−11.0% | Reduced |
| Spire Wealth Management | 1,400 | $854 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 3,663 | $2.23K | 0.00% | +3,663 | New |
| Whittier Trust Co | 3,750 | $2.29K | 0.00% | 00.0% | Unchanged |
| Cambridge Trust Co | 5,868 | $3.58K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 6,833 | $4.17K | 0.00% | −15,216−69.0% | Reduced |
| Morgan Stanley | 9,867 | $6.02K | 0.00% | −10,292−51.1% | Reduced |
| Pathstone Family Office, LLC | 10,254 | $6.25K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,437 | $6.37K | 0.00% | +10,437 | New |
| Envestnet Asset Management Inc | 11,715 | $7.15K | 0.00% | +11,715 | New |
| Prudential Financial Inc | 11,812 | $7.21K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 15,958 | $10.0K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 17,000 | $10.4K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 17,806 | $10.9K | 0.00% | −10,500−37.1% | Reduced |
| Renaissance Technologies LLC | 17,670 | $11.0K | 0.00% | +17,670 | New |
| Barclays PLC | 18,220 | $11.1K | 0.00% | +9,110+100.0% | Added |
| Delta Investment Management, LLC | 19,245 | $11.7K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 20,096 | $12.3K | 0.00% | +20,096 | New |
| Engineers Gate Manager LP | 20,487 | $12.5K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 25,151 | $15.3K | 0.00% | +13,185+110.2% | Added |
| Bank of New York Mellon Corp | 25,363 | $15.5K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 25,651 | $15.6K | 0.00% | −385−1.5% | Reduced |
| HighTower Advisors, LLC | 26,023 | $16.0K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 34,751 | $21.0K | 0.00% | +16,466+90.1% | Added |
| Ameriprise Financial Inc | 42,013 | $25.6K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 48,753 | $29.7K | 0.00% | −1,624−3.2% | Reduced |
| Marathon Capital Management | 50,000 | $30.5K | 0.01% | −10,000−16.7% | Reduced |
| Charles Schwab Investment Management Inc | 57,798 | $35.3K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 64,066 | $39.1K | 0.00% | +38,592+151.5% | Added |
| Millennium Management LLC | 128,599 | $78.4K | 0.00% | −221,701−63.3% | Reduced |
| Price T Rowe Associates Inc | 175,200 | $107.0K | 0.00% | +28,800+19.7% | Added |
| Northern Trust Corp | 203,038 | $123.9K | 0.00% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 249,355 | $152.1K | 0.00% | +43,148+20.9% | Added |
| State Street Corp | 342,335 | $208.8K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 358,800 | $218.9K | 0.01% | +39,000+12.2% | Added |
| Acadian Asset Management LLC | 418,330 | $254.0K | 0.00% | +16,968+4.2% | Added |
| Kovack Advisors, Inc. | 493,329 | $300.9K | 0.04% | −22,148−4.3% | Reduced |
| Geode Capital Management, LLC | 962,748 | $587.4K | 0.00% | −40,221−4.0% | Reduced |
| Herald Investment Management Ltd | 1,000,000 | $610.0K | 0.13% | 00.0% | Unchanged |
| BlackRock Inc. | 1,013,435 | $618.2K | 0.00% | −28,790−2.8% | Reduced |
| King Luther Capital Management Corp | 1,384,915 | $844.8K | 0.00% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 1,402,456 | $855.5K | 0.20% | −35,996−2.5% | Reduced |
| Roumell Asset Management, LLC | 1,687,553 | $1.03M | 2.07% | 00.0% | Unchanged |
| B. Riley Financial, Inc. | 1,995,303 | $1.22M | 0.41% | −441,000−18.1% | Reduced |
| TCW Group Inc | 2,120,168 | $1.29M | 0.02% | 00.0% | Unchanged |
| Senvest Management, LLC | 2,550,931 | $1.56M | 0.06% | 00.0% | Unchanged |
| Solas Capital Management, LLC | 2,805,443 | $1.71M | 1.20% | −931,177−24.9% | Reduced |
| Vanguard Group Inc | 5,018,880 | $3.06M | 0.00% | 00.0% | Unchanged |
| Long Focus Capital Management, LLC | 6,473,900 | $3.95M | 0.57% | +1,058,528+19.5% | Added |
| Allianz Asset Management GmbH | 10,248,322 | $6.25M | 0.01% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 15,332,750 | $9.35M | 0.01% | −281,068−1.8% | Reduced |
| 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 |