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 2021
Institutional positions in Quantum Corp as of Sep 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
- 95
- −16 vs. Q2 2021
- Shares held
- 43.1M
- +927.2K (+2.2%) vs. Q2 2021
- Total value
- $226.7M
- −$66.2M (−22.6%) vs. Q2 2021
- New holders
- 8
- 45 more added
- Sold out
- 24
- 24 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q2 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 |
| Wells Fargo & Company | 538 | $3.00K | 0.00% | −4,194−88.6% | Reduced |
| Truvestments Capital LLC | 687 | $4.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,587 | $9.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,479 | $10.0K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 3,750 | $19.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,897 | $20.0K | 0.00% | −1,607−29.2% | Reduced |
| State of Wyoming | 4,064 | $21.0K | 0.01% | +999+32.6% | Added |
| Legal & General Group Plc | 4,441 | $23.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,380 | $23.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 6,539 | $34.0K | 0.00% | +3,504+115.5% | Added |
| Spire Wealth Management | 9,377 | $49.0K | 0.00% | +1,000+11.9% | Added |
| Ergoteles LLC | 11,800 | $61.0K | 0.00% | +11,800 | New |
| Heritage Investors Management Corp | 12,190 | $63.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 13,778 | $71.0K | 0.00% | +403+3.0% | Added |
| Metropolitan Life Insurance Co | 14,447 | $74.8K | 0.00% | +12,131+523.8% | Added |
| K.J. Harrison & Partners Inc | 15,000 | $78.0K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 15,875 | $82.0K | 0.00% | −519−3.2% | Reduced |
| Citadel Advisors LLC | 17,127 | $89.0K | 0.00% | −8,871−34.1% | Reduced |
| AQR Capital Management LLC | 17,758 | $92.0K | 0.00% | +17,758 | New |
| Premier Asset Management LLC | 19,084 | $99.0K | 0.01% | −62,089−76.5% | Reduced |
| Sargent Bickham Lagudis LLC | 19,406 | $101.0K | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 20,650 | $107.0K | 0.00% | +20,650 | New |
| Voya Investment Management LLC | 21,520 | $111.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 22,474 | $116.0K | 0.00% | +3,849+20.7% | Added |
| Brasada Capital Management, LP | 23,680 | $123.0K | 0.02% | −1,170−4.7% | Reduced |
| Parametric Portfolio Associates LLC | 23,788 | $123.0K | 0.00% | −794−3.2% | Reduced |
| Sphinx Trading, LP | 24,025 | $124.0K | 0.16% | +24,025 | New |
| SEI Investments Co | 25,517 | $127.0K | 0.00% | +286+1.1% | Added |
| Highland Private Wealth Management | 25,723 | $133.0K | 0.02% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 26,576 | $138.0K | 0.01% | +16,432+162.0% | Added |
| American International Group, Inc. | 31,410 | $163.0K | 0.00% | +110+0.4% | Added |
| California State Teachers Retirement System | 31,802 | $165.0K | 0.00% | −44,934−58.6% | Reduced |
| Barclays PLC | 32,562 | $168.0K | 0.00% | +6,420+24.6% | Added |
| Manufacturers Life Insurance Company, The | 33,163 | $172.0K | 0.00% | −500−1.5% | Reduced |
| Delta Investment Management, LLC | 34,245 | $177.0K | 0.06% | +5,000+17.1% | Added |
| SG Americas Securities, LLC | 34,515 | $179.0K | 0.00% | +34,515 | New |
| New York State Common Retirement Fund | 37,233 | $193.0K | 0.00% | +92+0.2% | Added |
| Diametric Capital, LP | 43,615 | $226.0K | 0.18% | +26,549+155.6% | Added |
| Zebra Capital Management LLC | 43,737 | $227.0K | 0.27% | +43,737 | New |
| Price T Rowe Associates Inc | 44,377 | $230.0K | 0.00% | +6,874+18.3% | Added |
| HRT Financial LP | 48,294 | $250.0K | 0.00% | +48,294 | New |
| Public Employees Retirement System of Ohio | 48,853 | $253.0K | 0.00% | +48,853 | New |
| Summit Global Investments | 57,300 | $297.0K | 0.02% | +32,600+132.0% | Added |
| First Midwest Bank Trust Division | 58,549 | $303.0K | 0.04% | −13,306−18.5% | Reduced |
| Invesco Ltd. | 60,829 | $315.0K | 0.00% | +6,668+12.3% | Added |
| Squarepoint Ops LLC | 61,911 | $321.0K | 0.00% | −27,481−30.7% | Reduced |
| Morgan Stanley | 63,203 | $327.0K | 0.00% | −90,304−58.8% | Reduced |
| Rhumbline Advisers | 70,943 | $367.0K | 0.00% | +1,922+2.8% | Added |
| PDT Partners, LLC | 71,100 | $368.0K | 0.03% | −13,745−16.2% | Reduced |
| Panagora Asset Management Inc | 78,029 | $404.0K | 0.00% | −96−0.1% | Reduced |
| Algert Global LLC | 79,556 | $412.0K | 0.05% | +31,136+64.3% | Added |
| Boston Partners | 87,602 | $454.0K | 0.00% | +3,339+4.0% | Added |
| Adirondack Research & Management Inc. | 90,620 | $469.0K | 0.57% | 00.0% | Unchanged |
| Rovida Advisors Inc. | 91,022 | $471.0K | 0.02% | 00.0% | Unchanged |
| White Pine Capital LLC | 93,812 | $486.0K | 0.15% | −219−0.2% | Reduced |
| Bridgeway Capital Management, LLC | 94,000 | $487.0K | 0.01% | −26,200−21.8% | Reduced |
| Millennium Management LLC | 98,927 | $512.0K | 0.00% | −154,064−60.9% | Reduced |
| Kovack Advisors, Inc. | 107,200 | $555.0K | 0.06% | +82,650+336.7% | Added |
| Kennedy Capital Management, Inc. | 109,804 | $569.0K | 0.01% | −10,788−8.9% | Reduced |
| D. E. Shaw & Co., Inc. | 114,615 | $594.0K | 0.00% | +3,909+3.5% | Added |
| AWM Investment Company, Inc. | 116,850 | $605.0K | 0.06% | 00.0% | Unchanged |
| LPL Financial LLC | 142,477 | $738.0K | 0.00% | +20,100+16.4% | Added |
| Two Sigma Advisers, LP | 144,300 | $747.0K | 0.00% | +72,800+101.8% | Added |
| Charles Schwab Investment Management Inc | 147,673 | $765.0K | 0.00% | +3,975+2.8% | Added |
| Two Sigma Investments, LP | 152,272 | $789.0K | 0.00% | +14,608+10.6% | Added |
| Bank of New York Mellon Corp | 175,367 | $909.0K | 0.00% | +16,848+10.6% | Added |
| Deutsche Bank AG | 182,831 | $947.0K | 0.00% | −53,319−22.6% | Reduced |
| Boothbay Fund Management, LLC | 201,071 | $1.04M | 0.04% | +88,782+79.1% | Added |
| Acadian Asset Management LLC | 209,250 | $1.08M | 0.00% | +134,296+179.2% | Added |
| Glaxis Capital Management, LLC | 217,510 | $1.13M | 2.39% | +59,320+37.5% | Added |
| Marathon Capital Management | 259,675 | $1.35M | 0.31% | +84,725+48.4% | Added |
| Nuveen Asset Management, LLC | 267,910 | $1.43M | 0.00% | −8,932−3.2% | Reduced |
| Eidelman Virant Capital | 273,000 | $1.44M | 0.56% | −27,000−9.0% | Reduced |
| Friess Associates LLC | 277,728 | $1.44M | 0.61% | +29,698+12.0% | Added |
| Herald Investment Management Ltd | 300,000 | $1.55M | 0.26% | +200,727+202.2% | Added |
| King Luther Capital Management Corp | 436,100 | $2.26M | 0.01% | −15,000−3.3% | Reduced |
| Goldman Sachs Group Inc | 497,520 | $2.58M | 0.00% | +217,725+77.8% | Added |
| Northern Trust Corp | 525,663 | $2.72M | 0.00% | −1460.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 542,592 | $2.81M | 0.02% | +428,465+375.4% | Added |
| JPMorgan Chase & Co | 762,862 | $3.95M | 0.00% | +24,917+3.4% | Added |
| State Street Corp | 792,278 | $4.10M | 0.00% | +15,995+2.1% | Added |
| Heartland Advisors Inc | 800,000 | $4.14M | 0.25% | +50,000+6.7% | Added |
| Geode Capital Management, LLC | 1,009,376 | $5.23M | 0.00% | +51,828+5.4% | Added |
| Deep Field Asset Management LLC | 1,165,414 | $6.04M | 5.16% | +136,409+13.3% | Added |
| Pacific Ridge Capital Partners, LLC | 1,277,754 | $6.62M | 1.22% | +101,253+8.6% | Added |
| Roumell Asset Management, LLC | 1,564,540 | $8.10M | 10.74% | +539,688+52.7% | Added |
| Russell Investments Group, Ltd. | 2,090,223 | $10.8M | 0.02% | +53,928+2.6% | Added |
| Vanguard Group Inc | 2,708,623 | $14.0M | 0.00% | +30,698+1.1% | Added |
| Senvest Management, LLC | 2,774,921 | $14.4M | 0.41% | +200,000+7.8% | Added |
| TCW Group Inc | 2,120,168 | $14.6M | 0.13% | 00.0% | Unchanged |
| BlackRock Inc. | 3,842,707 | $19.9M | 0.00% | +3730.0% | Added |
| Neuberger Berman Group LLC | 7,133,535 | $36.8M | 0.03% | −135,782−1.9% | Reduced |
| B. Riley Financial, Inc. | 7,607,611 | $39.4M | 4.99% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −356,459−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −277,769−100.0% | Sold out |
| Paradigm Capital Management Inc | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −144,939−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −78,799−100.0% | Sold out |