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 |
|---|---|---|---|---|---|
| B. Riley Financial, Inc. | 7,607,611 | $52.4M | 6.91% | −940,000−11.0% | Reduced |
| Neuberger Berman Group LLC | 7,269,317 | $50.0M | 0.04% | +1,112,599+18.1% | Added |
| BlackRock Inc. | 3,842,334 | $26.5M | 0.00% | +1,271,966+49.5% | Added |
| Vanguard Group Inc | 2,677,925 | $18.5M | 0.00% | +281,692+11.8% | Added |
| Senvest Management, LLC | 2,574,921 | $17.7M | 0.53% | +663,516+34.7% | Added |
| TCW Group Inc | 2,120,168 | $17.7M | 0.15% | −142,122−6.3% | Reduced |
| Russell Investments Group, Ltd. | 2,036,295 | $14.0M | 0.02% | +137,679+7.3% | Added |
| Pacific Ridge Capital Partners, LLC | 1,176,501 | $8.11M | 1.47% | +256,670+27.9% | Added |
| Deep Field Asset Management LLC | 1,029,005 | $7.09M | 4.72% | +52,000+5.3% | Added |
| Roumell Asset Management, LLC | 1,024,852 | $7.06M | 8.25% | +123,334+13.7% | Added |
| Geode Capital Management, LLC | 957,548 | $6.60M | 0.00% | +140,815+17.2% | Added |
| State Street Corp | 776,283 | $5.35M | 0.00% | +268,748+53.0% | Added |
| Heartland Advisors Inc | 750,000 | $5.17M | 0.30% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 737,945 | $5.08M | 0.00% | +14,550+2.0% | Added |
| Northern Trust Corp | 525,809 | $3.62M | 0.00% | +82,724+18.7% | Added |
| King Luther Capital Management Corp | 451,100 | $3.11M | 0.02% | +41,900+10.2% | Added |
| Arrowstreet Capital, Limited Partnership | 356,459 | $2.46M | 0.00% | +94,288+36.0% | Added |
| Eidelman Virant Capital | 300,000 | $2.08M | 0.81% | −63,000−17.4% | Reduced |
| Goldman Sachs Group Inc | 279,795 | $1.93M | 0.00% | +192,028+218.8% | Added |
| Balyasny Asset Management LLC | 277,769 | $1.91M | 0.01% | +277,769 | New |
| Nuveen Asset Management, LLC | 276,842 | $1.91M | 0.00% | +114,296+70.3% | Added |
| Millennium Management LLC | 252,991 | $1.74M | 0.00% | +163,778+183.6% | Added |
| Friess Associates LLC | 248,030 | $1.71M | 0.64% | −89,600−26.5% | Reduced |
| Deutsche Bank AG | 236,150 | $1.63M | 0.00% | +28,056+13.5% | Added |
| Paradigm Capital Management Inc | 200,000 | $1.38M | 0.07% | 00.0% | Unchanged |
| Marathon Capital Management | 174,950 | $1.21M | 0.28% | +36,525+26.4% | Added |
| Bank of New York Mellon Corp | 158,519 | $1.09M | 0.00% | +53,991+51.7% | Added |
| Glaxis Capital Management, LLC | 158,190 | $1.09M | 1.37% | +71,640+82.8% | Added |
| Morgan Stanley | 153,507 | $1.06M | 0.00% | +151,156+6,429.4% | Added |
| First Trust Advisors LP | 144,939 | $999.0K | 0.00% | −4,115−2.8% | Reduced |
| Charles Schwab Investment Management Inc | 143,698 | $991.0K | 0.00% | +36,434+34.0% | Added |
| Two Sigma Investments, LP | 137,664 | $949.0K | 0.00% | +69,879+103.1% | Added |
| LPL Financial LLC | 122,377 | $843.0K | 0.00% | +19,741+19.2% | Added |
| Kennedy Capital Management, Inc. | 120,592 | $831.0K | 0.02% | −132,391−52.3% | Reduced |
| Bridgeway Capital Management, LLC | 120,200 | $828.0K | 0.01% | −26,000−17.8% | Reduced |
| AWM Investment Company, Inc. | 116,850 | $805.0K | 0.08% | −293,150−71.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 114,127 | $786.0K | 0.01% | −159,528−58.3% | Reduced |
| Boothbay Fund Management, LLC | 112,289 | $774.0K | 0.03% | +47,695+73.8% | Added |
| D. E. Shaw & Co., Inc. | 110,706 | $763.0K | 0.00% | +110,706 | New |
| Herald Investment Management Ltd | 99,273 | $683.0K | 0.11% | 00.0% | Unchanged |
| Rovida Advisors Inc. | 91,022 | $627.0K | 0.03% | 00.0% | Unchanged |
| Adirondack Research & Management Inc. | 90,620 | $624.0K | 0.73% | +300.0% | Added |
| Squarepoint Ops LLC | 89,392 | $616.0K | 0.00% | −36,430−29.0% | Reduced |
| PDT Partners, LLC | 84,845 | $585.0K | 0.04% | +61,054+256.6% | Added |
| White Pine Capital LLC | 94,031 | $583.0K | 0.17% | −2,052−2.1% | Reduced |
| Boston Partners | 84,263 | $581.0K | 0.00% | −41,440−33.0% | Reduced |
| Premier Asset Management LLC | 81,173 | $559.0K | 0.08% | +17,784+28.1% | Added |
| ExodusPoint Capital Management, LP | 78,799 | $543.0K | 0.01% | +78,799 | New |
| Panagora Asset Management Inc | 78,125 | $538.0K | 0.00% | −277−0.4% | Reduced |
| California State Teachers Retirement System | 76,736 | $529.0K | 0.00% | +13,995+22.3% | Added |
| Acadian Asset Management LLC | 74,954 | $517.0K | 0.00% | +74,954 | New |
| First Midwest Bank Trust Division | 71,855 | $495.0K | 0.07% | −1,430−2.0% | Reduced |
| Two Sigma Advisers, LP | 71,500 | $493.0K | 0.00% | +44,800+167.8% | Added |
| Rhumbline Advisers | 69,021 | $476.0K | 0.00% | +28,363+69.8% | Added |
| Invesco Ltd. | 54,161 | $373.0K | 0.00% | −214,681−79.9% | Reduced |
| Cubist Systematic Strategies, LLC | 53,815 | $371.0K | 0.00% | +53,815 | New |
| Caption Management, LLC | 49,914 | $344.0K | 0.03% | +49,914 | New |
| Algert Global LLC | 48,420 | $334.0K | 0.11% | −26,620−35.5% | Reduced |
| Jump Financial, LLC | 41,710 | $287.0K | 0.03% | +41,710 | New |
| Price T Rowe Associates Inc | 37,503 | $258.0K | 0.00% | −2,786−6.9% | Reduced |
| New York State Common Retirement Fund | 37,141 | $256.0K | 0.00% | +6,741+22.2% | Added |
| Susquehanna International Group, LLP | 34,963 | $241.0K | 0.00% | −15,072−30.1% | Reduced |
| Manufacturers Life Insurance Company, The | 33,663 | $232.0K | 0.00% | +8,746+35.1% | Added |
| American International Group, Inc. | 31,300 | $216.0K | 0.00% | +7,057+29.1% | Added |
| Delta Investment Management, LLC | 29,245 | $201.0K | 0.06% | +7,500+34.5% | Added |
| SEI Investments Co | 25,231 | $188.0K | 0.00% | +25,231 | New |
| Barclays PLC | 26,142 | $181.0K | 0.00% | −17,745−40.4% | Reduced |
| Citadel Advisors LLC | 25,998 | $179.0K | 0.00% | +1,971+8.2% | Added |
| Highland Private Wealth Management | 25,723 | $177.0K | 0.03% | −6,000−18.9% | Reduced |
| Brasada Capital Management, LP | 24,850 | $171.0K | 0.03% | −3,150−11.3% | Reduced |
| Trexquant Investment LP | 24,628 | $170.0K | 0.01% | +24,628 | New |
| Summit Global Investments | 24,700 | $170.0K | 0.01% | +24,700 | New |
| 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 |
| Voya Investment Management LLC | 21,520 | $148.0K | 0.00% | +6,964+47.8% | Added |
| Engineers Gate Manager LP | 19,812 | $137.0K | 0.01% | +197+1.0% | Added |
| Sargent Bickham Lagudis LLC | 19,406 | $134.0K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 18,625 | $128.0K | 0.00% | +3,686+24.7% | Added |
| Diametric Capital, LP | 17,066 | $118.0K | 0.09% | +17,066 | New |
| Bank of America Corp | 16,394 | $113.0K | 0.00% | −27,766−62.9% | Reduced |
| K.J. Harrison & Partners Inc | 15,000 | $103.0K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 14,491 | $100.0K | 0.00% | +3,378+30.4% | Added |
| State of Tennessee, Treasury Department | 14,400 | $99.0K | 0.00% | +14,400 | New |
| Old Mission Capital LLC | 13,538 | $93.0K | 0.00% | +13,538 | New |
| Captrust Financial Advisors | 13,375 | $92.0K | 0.00% | 00.0% | Unchanged |
| Heritage Investors Management Corp | 12,190 | $84.0K | 0.00% | 00.0% | Unchanged |
| Union Square Park Capital Management, LLC | 11,500 | $79.0K | 0.05% | −68,500−85.6% | Reduced |
| Alpha Paradigm Partners, LLC | 11,114 | $77.0K | 0.03% | −20,538−64.9% | Reduced |
| Qube Research & Technologies Ltd | 10,538 | $73.0K | 0.00% | +10,538 | New |
| Prelude Capital Management, LLC | 10,144 | $70.0K | 0.00% | +10,144 | New |
| Altshuler Shaham Ltd | 9,604 | $66.0K | 0.00% | +9,604 | New |
| Spire Wealth Management | 8,377 | $58.0K | 0.00% | +105+1.3% | Added |
| Tower Research Capital LLC (TRC) | 5,504 | $38.0K | 0.00% | +3,140+132.8% | Added |
| Dorsey Wright & Associates | 4,986 | $34.0K | 0.01% | +4,986 | New |
| Wells Fargo & Company | 4,732 | $32.0K | 0.00% | −10,177−68.3% | Reduced |
| Legal & General Group Plc | 4,441 | $31.0K | 0.00% | +871+24.4% | Added |
| Ameritas Investment Partners, Inc. | 4,380 | $30.0K | 0.00% | +1,795+69.4% | Added |
| First Quadrant L P | 3,847 | $27.0K | 0.00% | +695+22.0% | Added |
| Whittier Trust Co | 3,750 | $26.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 3,035 | $21.0K | 0.00% | −440−12.7% | Reduced |