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 2021
Institutional positions in Quantum Corp as of Dec 31, 2021. 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
- 105
- +12 vs. Q3 2021
- Shares held
- 42.0M
- −1.04M (−2.4%) vs. Q3 2021
- Total value
- $230.2M
- +$3.93M (+1.7%) vs. Q3 2021
- New holders
- 17
- 33 more added
- Sold out
- 5
- 37 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 7,101,332 | $39.0M | 0.03% | −32,203−0.5% | Reduced |
| B. Riley Financial, Inc. | 4,919,866 | $27.2M | 3.06% | −2,687,745−35.3% | Reduced |
| BlackRock Inc. | 3,932,343 | $21.7M | 0.00% | +89,636+2.3% | Added |
| Senvest Management, LLC | 3,124,104 | $17.2M | 0.49% | +349,183+12.6% | Added |
| Vanguard Group Inc | 2,571,593 | $14.2M | 0.00% | −137,030−5.1% | Reduced |
| TCW Group Inc | 2,120,168 | $11.0M | 0.09% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 1,807,541 | $9.97M | 0.02% | −282,682−13.5% | Reduced |
| B. Riley Asset Management, LLC | 1,704,376 | $9.41M | 4.96% | +1,704,376 | New |
| Roumell Asset Management, LLC | 1,564,540 | $8.64M | 11.51% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 1,255,602 | $6.93M | 1.23% | −22,152−1.7% | Reduced |
| Deep Field Asset Management LLC | 1,230,000 | $6.79M | 5.77% | +64,586+5.5% | Added |
| Geode Capital Management, LLC | 976,695 | $5.39M | 0.00% | −32,681−3.2% | Reduced |
| Heartland Advisors Inc | 850,000 | $4.69M | 0.28% | +50,000+6.3% | Added |
| State Street Corp | 810,244 | $4.47M | 0.00% | +17,966+2.3% | Added |
| Northern Trust Corp | 494,454 | $2.73M | 0.00% | −31,209−5.9% | Reduced |
| King Luther Capital Management Corp | 464,180 | $2.56M | 0.01% | +28,080+6.4% | Added |
| Herald Investment Management Ltd | 450,000 | $2.48M | 0.40% | +150,000+50.0% | Added |
| Goldman Sachs Group Inc | 415,998 | $2.30M | 0.00% | −81,522−16.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 387,523 | $2.14M | 0.01% | −155,069−28.6% | Reduced |
| Friess Associates LLC | 381,313 | $2.10M | 0.82% | +103,585+37.3% | Added |
| AWM Investment Company, Inc. | 290,564 | $1.60M | 0.16% | +173,714+148.7% | Added |
| Eidelman Virant Capital | 277,000 | $1.53M | 0.56% | +4,000+1.5% | Added |
| Boothbay Fund Management, LLC | 255,391 | $1.41M | 0.05% | +54,320+27.0% | Added |
| Marathon Capital Management | 235,225 | $1.30M | 0.30% | −24,450−9.4% | Reduced |
| JPMorgan Chase & Co | 224,076 | $1.24M | 0.00% | −538,786−70.6% | Reduced |
| Glaxis Capital Management, LLC | 217,510 | $1.20M | 3.18% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 208,609 | $1.15M | 0.00% | +33,242+19.0% | Added |
| Millennium Management LLC | 193,137 | $1.07M | 0.00% | +94,210+95.2% | Added |
| Nuveen Asset Management, LLC | 210,877 | $1.05M | 0.00% | −57,033−21.3% | Reduced |
| Deutsche Bank AG | 184,661 | $1.02M | 0.00% | +1,830+1.0% | Added |
| D. E. Shaw & Co., Inc. | 179,388 | $990.0K | 0.00% | +64,773+56.5% | Added |
| LPL Financial LLC | 170,510 | $941.0K | 0.00% | +28,033+19.7% | Added |
| Charles Schwab Investment Management Inc | 154,561 | $854.0K | 0.00% | +6,888+4.7% | Added |
| Panagora Asset Management Inc | 149,535 | $825.0K | 0.00% | +71,506+91.6% | Added |
| Two Sigma Advisers, LP | 126,200 | $697.0K | 0.00% | −18,100−12.5% | Reduced |
| Kovack Advisors, Inc. | 125,100 | $691.0K | 0.07% | +17,900+16.7% | Added |
| Acadian Asset Management LLC | 120,187 | $662.0K | 0.00% | −89,063−42.6% | Reduced |
| Citadel Advisors LLC | 114,159 | $630.0K | 0.00% | +97,032+566.5% | Added |
| Kennedy Capital Management, Inc. | 100,586 | $555.0K | 0.01% | −9,218−8.4% | Reduced |
| Two Sigma Investments, LP | 92,671 | $512.0K | 0.00% | −59,601−39.1% | Reduced |
| Mackenzie Financial Corp | 82,858 | $457.0K | 0.00% | +82,858 | New |
| Barclays PLC | 80,044 | $441.0K | 0.00% | +47,482+145.8% | Added |
| Boston Partners | 75,768 | $418.0K | 0.00% | −11,834−13.5% | Reduced |
| Rhumbline Advisers | 71,525 | $395.0K | 0.00% | +582+0.8% | Added |
| Algert Global LLC | 63,456 | $350.0K | 0.04% | −16,100−20.2% | Reduced |
| Rovida Advisors Inc. | 61,022 | $336.0K | 0.02% | −30,000−33.0% | Reduced |
| RBF Capital, LLC | 60,000 | $331.0K | 0.02% | +60,000 | New |
| First Midwest Bank Trust Division | 58,549 | $323.0K | 0.04% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 54,577 | $301.0K | 0.00% | +10,200+23.0% | Added |
| White Pine Capital LLC | 53,536 | $296.0K | 0.09% | −40,276−42.9% | Reduced |
| Public Employees Retirement System of Ohio | 48,853 | $270.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 48,738 | $269.0K | 0.00% | +32,863+207.0% | Added |
| Invesco Ltd. | 48,348 | $267.0K | 0.00% | −12,481−20.5% | Reduced |
| Voya Investment Management LLC | 48,077 | $265.0K | 0.00% | +26,557+123.4% | Added |
| AQR Capital Management LLC | 37,572 | $207.0K | 0.00% | +19,814+111.6% | Added |
| New York State Common Retirement Fund | 37,280 | $206.0K | 0.00% | +47+0.1% | Added |
| Diametric Capital, LP | 36,082 | $199.0K | 0.15% | −7,533−17.3% | Reduced |
| Summit Global Investments | 35,820 | $198.0K | 0.01% | −21,480−37.5% | Reduced |
| Wells Fargo & Company | 34,922 | $193.0K | 0.00% | +34,384+6,391.1% | Added |
| Zebra Capital Management LLC | 34,227 | $189.0K | 0.30% | −9,510−21.7% | Reduced |
| Delta Investment Management, LLC | 34,245 | $189.0K | 0.05% | 00.0% | Unchanged |
| California State Teachers Retirement System | 31,802 | $176.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 31,722 | $175.0K | 0.00% | −30,189−48.8% | Reduced |
| Manufacturers Life Insurance Company, The | 31,171 | $172.0K | 0.00% | −1,992−6.0% | Reduced |
| American International Group, Inc. | 31,057 | $171.0K | 0.00% | −353−1.1% | Reduced |
| Royal Bank of Canada | 27,963 | $154.0K | 0.00% | +5,489+24.4% | Added |
| Parametric Portfolio Associates LLC | 27,467 | $152.0K | 0.00% | +3,679+15.5% | Added |
| UBS Group AG | 26,551 | $146.0K | 0.00% | +26,551 | New |
| Highland Private Wealth Management | 25,723 | $142.0K | 0.02% | 00.0% | Unchanged |
| SEI Investments Co | 26,272 | $137.0K | 0.00% | +755+3.0% | Added |
| Engineers Gate Manager LP | 23,165 | $128.0K | 0.01% | +23,165 | New |
| Sphinx Trading, LP | 21,499 | $119.0K | 0.12% | −2,526−10.5% | Reduced |
| Prelude Capital Management, LLC | 20,164 | $111.0K | 0.01% | −6,412−24.1% | Reduced |
| Sargent Bickham Lagudis LLC | 19,406 | $107.0K | 0.01% | 00.0% | Unchanged |
| PDT Partners, LLC | 18,711 | $103.0K | 0.01% | −52,389−73.7% | Reduced |
| Morgan Stanley | 17,368 | $96.0K | 0.00% | −45,835−72.5% | Reduced |
| Citigroup Inc | 15,201 | $84.0K | 0.00% | +8,662+132.5% | Added |
| SG Americas Securities, LLC | 15,003 | $83.0K | 0.00% | −19,512−56.5% | Reduced |
| K.J. Harrison & Partners Inc | 15,000 | $83.0K | 0.01% | 00.0% | Unchanged |
| Brasada Capital Management, LP | 14,080 | $78.0K | 0.01% | −9,600−40.5% | Reduced |
| Captrust Financial Advisors | 13,153 | $73.0K | 0.00% | −625−4.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 13,253 | $73.0K | 0.00% | +13,253 | New |
| ProShare Advisors LLC | 12,771 | $70.0K | 0.00% | +12,771 | New |
| Heritage Investors Management Corp | 12,190 | $67.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 11,486 | $63.4K | 0.00% | −2,961−20.5% | Reduced |
| Diversified Trust Co | 11,449 | $63.0K | 0.00% | +11,449 | New |
| Dynamic Technology Lab Private Ltd | 11,334 | $63.0K | 0.01% | +11,334 | New |
| Jump Financial, LLC | 10,900 | $60.0K | 0.00% | +10,900 | New |
| Spire Wealth Management | 9,377 | $52.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,788 | $37.0K | 0.00% | +2,891+74.2% | Added |
| Nisa Investment Advisors, LLC | 7,340 | $37.0K | 0.00% | +7,340 | New |
| MetLife Investment Management | 5,407 | $29.8K | 0.00% | −15,243−73.8% | Reduced |
| Legal & General Group Plc | 4,441 | $25.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,380 | $24.0K | 0.00% | 00.0% | Unchanged |
| Cambridge Trust Co | 4,125 | $23.0K | 0.00% | +4,125 | New |
| State of Wyoming | 4,059 | $22.0K | 0.01% | −5−0.1% | Reduced |
| Whittier Trust Co | 3,750 | $21.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,587 | $9.00K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 687 | $4.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 100 | $1.00K | 0.00% | +100 | New |