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, Q2 2021
Institutional positions in Quantum Corp as of Jun 30, 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
- 111
- +5 vs. Q1 2021
- Shares held
- 42.2M
- +1.42M (+3.5%) vs. Q1 2021
- Total value
- $292.9M
- −$40.4M (−12.1%) vs. Q1 2021
- New holders
- 20
- 47 more added
- Sold out
- 15
- 30 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highlander Capital Management, LLC | 25 | $0 | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 41 | $0 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 165 | $1.00K | 0.00% | −11,096−98.5% | Reduced |
| Sterling Investment Advisors, Ltd. | 65,000 | $2.00K | 0.00% | 00.0% | Unchanged |
| Evoke Wealth, LLC | 296 | $2.00K | 0.00% | +296 | New |
| Truvestments Capital LLC | 687 | $5.00K | 0.00% | −687−50.0% | Reduced |
| Simplex Trading, LLC | 1,479 | $10.0K | 0.00% | +1,479 | New |
| Advisor Group Holdings, Inc. | 1,587 | $11.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 2,146 | $15.0K | 0.00% | −5,827−73.1% | Reduced |
| Metropolitan Life Insurance Co | 2,316 | $16.0K | 0.00% | −8,030−77.6% | Reduced |
| Citigroup Inc | 3,035 | $21.0K | 0.00% | −440−12.7% | Reduced |
| State of Wyoming | 3,065 | $21.0K | 0.01% | +3,065 | New |
| Whittier Trust Co | 3,750 | $26.0K | 0.00% | 00.0% | Unchanged |
| First Quadrant L P | 3,847 | $27.0K | 0.00% | +695+22.0% | Added |
| Ameritas Investment Partners, Inc. | 4,380 | $30.0K | 0.00% | +1,795+69.4% | Added |
| Legal & General Group Plc | 4,441 | $31.0K | 0.00% | +871+24.4% | Added |
| Wells Fargo & Company | 4,732 | $32.0K | 0.00% | −10,177−68.3% | Reduced |
| Dorsey Wright & Associates | 4,986 | $34.0K | 0.01% | +4,986 | New |
| Tower Research Capital LLC (TRC) | 5,504 | $38.0K | 0.00% | +3,140+132.8% | Added |
| Spire Wealth Management | 8,377 | $58.0K | 0.00% | +105+1.3% | Added |
| Altshuler Shaham Ltd | 9,604 | $66.0K | 0.00% | +9,604 | New |
| Prelude Capital Management, LLC | 10,144 | $70.0K | 0.00% | +10,144 | New |
| Qube Research & Technologies Ltd | 10,538 | $73.0K | 0.00% | +10,538 | New |
| Alpha Paradigm Partners, LLC | 11,114 | $77.0K | 0.03% | −20,538−64.9% | Reduced |
| Union Square Park Capital Management, LLC | 11,500 | $79.0K | 0.05% | −68,500−85.6% | Reduced |
| Heritage Investors Management Corp | 12,190 | $84.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 13,375 | $92.0K | 0.00% | 00.0% | Unchanged |
| Old Mission Capital LLC | 13,538 | $93.0K | 0.00% | +13,538 | New |
| State of Tennessee, Treasury Department | 14,400 | $99.0K | 0.00% | +14,400 | New |
| ProShare Advisors LLC | 14,491 | $100.0K | 0.00% | +3,378+30.4% | Added |
| K.J. Harrison & Partners Inc | 15,000 | $103.0K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 16,394 | $113.0K | 0.00% | −27,766−62.9% | Reduced |
| Diametric Capital, LP | 17,066 | $118.0K | 0.09% | +17,066 | New |
| Royal Bank of Canada | 18,625 | $128.0K | 0.00% | +3,686+24.7% | Added |
| Sargent Bickham Lagudis LLC | 19,406 | $134.0K | 0.01% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 19,812 | $137.0K | 0.01% | +197+1.0% | Added |
| Voya Investment Management LLC | 21,520 | $148.0K | 0.00% | +6,964+47.8% | Added |
| Kovack Advisors, Inc. | 24,550 | $169.0K | 0.02% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 24,582 | $169.0K | 0.00% | +13,909+130.3% | Added |
| Trexquant Investment LP | 24,628 | $170.0K | 0.01% | +24,628 | New |
| Summit Global Investments | 24,700 | $170.0K | 0.01% | +24,700 | New |
| Brasada Capital Management, LP | 24,850 | $171.0K | 0.03% | −3,150−11.3% | Reduced |
| Highland Private Wealth Management | 25,723 | $177.0K | 0.03% | −6,000−18.9% | Reduced |
| Citadel Advisors LLC | 25,998 | $179.0K | 0.00% | +1,971+8.2% | Added |
| Barclays PLC | 26,142 | $181.0K | 0.00% | −17,745−40.4% | Reduced |
| SEI Investments Co | 25,231 | $188.0K | 0.00% | +25,231 | New |
| Delta Investment Management, LLC | 29,245 | $201.0K | 0.06% | +7,500+34.5% | Added |
| American International Group, Inc. | 31,300 | $216.0K | 0.00% | +7,057+29.1% | Added |
| Manufacturers Life Insurance Company, The | 33,663 | $232.0K | 0.00% | +8,746+35.1% | Added |
| Susquehanna International Group, LLP | 34,963 | $241.0K | 0.00% | −15,072−30.1% | Reduced |
| New York State Common Retirement Fund | 37,141 | $256.0K | 0.00% | +6,741+22.2% | Added |
| Price T Rowe Associates Inc | 37,503 | $258.0K | 0.00% | −2,786−6.9% | Reduced |
| Jump Financial, LLC | 41,710 | $287.0K | 0.03% | +41,710 | New |
| Algert Global LLC | 48,420 | $334.0K | 0.11% | −26,620−35.5% | Reduced |
| Caption Management, LLC | 49,914 | $344.0K | 0.03% | +49,914 | New |
| Cubist Systematic Strategies, LLC | 53,815 | $371.0K | 0.00% | +53,815 | New |
| Invesco Ltd. | 54,161 | $373.0K | 0.00% | −214,681−79.9% | Reduced |
| Rhumbline Advisers | 69,021 | $476.0K | 0.00% | +28,363+69.8% | Added |
| Two Sigma Advisers, LP | 71,500 | $493.0K | 0.00% | +44,800+167.8% | Added |
| First Midwest Bank Trust Division | 71,855 | $495.0K | 0.07% | −1,430−2.0% | Reduced |
| Acadian Asset Management LLC | 74,954 | $517.0K | 0.00% | +74,954 | New |
| California State Teachers Retirement System | 76,736 | $529.0K | 0.00% | +13,995+22.3% | Added |
| Panagora Asset Management Inc | 78,125 | $538.0K | 0.00% | −277−0.4% | Reduced |
| ExodusPoint Capital Management, LP | 78,799 | $543.0K | 0.01% | +78,799 | New |
| Premier Asset Management LLC | 81,173 | $559.0K | 0.08% | +17,784+28.1% | Added |
| Boston Partners | 84,263 | $581.0K | 0.00% | −41,440−33.0% | Reduced |
| White Pine Capital LLC | 94,031 | $583.0K | 0.17% | −2,052−2.1% | Reduced |
| PDT Partners, LLC | 84,845 | $585.0K | 0.04% | +61,054+256.6% | Added |
| Squarepoint Ops LLC | 89,392 | $616.0K | 0.00% | −36,430−29.0% | Reduced |
| Adirondack Research & Management Inc. | 90,620 | $624.0K | 0.73% | +300.0% | Added |
| Rovida Advisors Inc. | 91,022 | $627.0K | 0.03% | 00.0% | Unchanged |
| Herald Investment Management Ltd | 99,273 | $683.0K | 0.11% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 110,706 | $763.0K | 0.00% | +110,706 | New |
| Boothbay Fund Management, LLC | 112,289 | $774.0K | 0.03% | +47,695+73.8% | Added |
| Jacobs Levy Equity Management, Inc | 114,127 | $786.0K | 0.01% | −159,528−58.3% | Reduced |
| AWM Investment Company, Inc. | 116,850 | $805.0K | 0.08% | −293,150−71.5% | Reduced |
| Bridgeway Capital Management, LLC | 120,200 | $828.0K | 0.01% | −26,000−17.8% | Reduced |
| Kennedy Capital Management, Inc. | 120,592 | $831.0K | 0.02% | −132,391−52.3% | Reduced |
| LPL Financial LLC | 122,377 | $843.0K | 0.00% | +19,741+19.2% | Added |
| Two Sigma Investments, LP | 137,664 | $949.0K | 0.00% | +69,879+103.1% | Added |
| Charles Schwab Investment Management Inc | 143,698 | $991.0K | 0.00% | +36,434+34.0% | Added |
| First Trust Advisors LP | 144,939 | $999.0K | 0.00% | −4,115−2.8% | Reduced |
| Morgan Stanley | 153,507 | $1.06M | 0.00% | +151,156+6,429.4% | Added |
| Glaxis Capital Management, LLC | 158,190 | $1.09M | 1.37% | +71,640+82.8% | Added |
| Bank of New York Mellon Corp | 158,519 | $1.09M | 0.00% | +53,991+51.7% | Added |
| Marathon Capital Management | 174,950 | $1.21M | 0.28% | +36,525+26.4% | Added |
| Paradigm Capital Management Inc | 200,000 | $1.38M | 0.07% | 00.0% | Unchanged |
| Deutsche Bank AG | 236,150 | $1.63M | 0.00% | +28,056+13.5% | Added |
| Friess Associates LLC | 248,030 | $1.71M | 0.64% | −89,600−26.5% | Reduced |
| Millennium Management LLC | 252,991 | $1.74M | 0.00% | +163,778+183.6% | Added |
| Nuveen Asset Management, LLC | 276,842 | $1.91M | 0.00% | +114,296+70.3% | Added |
| Balyasny Asset Management LLC | 277,769 | $1.91M | 0.01% | +277,769 | New |
| Goldman Sachs Group Inc | 279,795 | $1.93M | 0.00% | +192,028+218.8% | Added |
| Eidelman Virant Capital | 300,000 | $2.08M | 0.81% | −63,000−17.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 356,459 | $2.46M | 0.00% | +94,288+36.0% | Added |
| King Luther Capital Management Corp | 451,100 | $3.11M | 0.02% | +41,900+10.2% | Added |
| Northern Trust Corp | 525,809 | $3.62M | 0.00% | +82,724+18.7% | Added |
| JPMorgan Chase & Co | 737,945 | $5.08M | 0.00% | +14,550+2.0% | Added |
| Heartland Advisors Inc | 750,000 | $5.17M | 0.30% | 00.0% | Unchanged |
| State Street Corp | 776,283 | $5.35M | 0.00% | +268,748+53.0% | Added |