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 2024
Institutional positions in Quantum Corp as of Sep 30, 2024. 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
- 26
- −25 vs. Q2 2024
- Shares held
- 2.27M
- −76.2K (−3.2%) vs. Q2 2024Converted for a 1-for-20 split
- Total value
- $7.96M
- −$11.2M (−58.4%) vs. Q2 2024
- New holders
- 5
- 5 more added
- Sold out
- 30
- 9 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Quantum Corp; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 718,211 | $2.51M | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| Allianz Asset Management GmbH | 512,416 | $1.79M | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| Long Focus Capital Management, LLC | 477,999 | $1.67M | 0.15% | +19,293+4.2% | AddedConverted for a 1-for-20 split |
| Vanguard Group Inc | 245,895 | $860.6K | 0.00% | −4,908−2.0% | ReducedConverted for a 1-for-20 split |
| TCW Group Inc | 106,010 | $371.0K | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| Boothbay Fund Management, LLC | 68,577 | $240.0K | 0.01% | +68,577 | New |
| Geode Capital Management, LLC | 52,137 | $182.5K | 0.00% | +1,218+2.4% | AddedConverted for a 1-for-20 split |
| BlackRock, Inc. | 42,623 | $149.2K | 0.00% | +42,623 | New |
| Advance Capital Management, Inc. | 17,310 | $60.6K | 0.00% | +12,388+251.7% | AddedConverted for a 1-for-20 split |
| State Street Corp | 17,114 | $59.9K | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| Northern Trust Corp | 11,192 | $39.2K | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| Tower Research Capital LLC (TRC) | 2,264 | $7.92K | 0.00% | +1,244+121.9% | AddedConverted for a 1-for-20 split |
| UBS Group AG | 689 | $2.41K | 0.00% | +689 | New |
| Morgan Stanley | 601 | $2.10K | 0.00% | −453−43.0% | ReducedConverted for a 1-for-20 split |
| Barclays PLC | 455 | $1.59K | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| BNP Paribas Arbitrage, SA | 361 | $1.26K | 0.00% | +361 | New |
| Eastern Bank | 293 | $1.03K | 0.00% | +293 | New |
| Whittier Trust Co | 187 | $654 | 0.00% | 00.0% | UnchangedConverted for a 1-for-20 split |
| Bank of America Corp | 60 | $210 | 0.00% | −282−82.4% | ReducedConverted for a 1-for-20 split |
| Advisor Group Holdings, Inc. | 34 | $118 | 0.00% | −0−1.0% | ReducedConverted for a 1-for-20 split |
| Comerica Bank | 18 | $63 | 0.00% | +0+2.6% | AddedConverted for a 1-for-20 split |
| JPMorgan Chase & Co | 16 | $56 | 0.00% | −2−10.1% | ReducedConverted for a 1-for-20 split |
| The PNC Financial Services Group, Inc. | 11 | $39 | 0.00% | −0−1.3% | ReducedConverted for a 1-for-20 split |
| Proequities, Inc. | 8 | $28 | 0.00% | −1−6.4% | ReducedConverted for a 1-for-20 split |
| Allworth Financial LP | 8 | $28 | 0.00% | −0−0.6% | ReducedConverted for a 1-for-20 split |
| Farther Finance Advisors, LLC | 4 | $14 | 0.00% | −0−3.6% | ReducedConverted for a 1-for-20 split |
| Pacific Ridge Capital Partners, LLC | 0 | $0 | 0.00% | −63,250−100.0% | Sold outConverted for a 1-for-20 split |
| Herald Investment Management Ltd | 0 | $0 | 0.00% | −50,000−100.0% | Sold outConverted for a 1-for-20 split |
| King Luther Capital Management Corp | 0 | $0 | 0.00% | −49,000−100.0% | Sold outConverted for a 1-for-20 split |
| Kovack Advisors, Inc. | 0 | $0 | 0.00% | −13,395−100.0% | Sold outConverted for a 1-for-20 split |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −5,030−100.0% | Sold outConverted for a 1-for-20 split |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −4,240−100.0% | Sold outConverted for a 1-for-20 split |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −4,076−100.0% | Sold outConverted for a 1-for-20 split |
| SEI Investments Co | 0 | $0 | 0.00% | −3,444−100.0% | Sold outConverted for a 1-for-20 split |
| Virtu Financial LLC | 0 | $0 | 0.00% | −3,443−100.0% | Sold outConverted for a 1-for-20 split |
| Prudential Financial Inc | 0 | $0 | 0.00% | −2,980−100.0% | Sold outConverted for a 1-for-20 split |
| Berkshire Asset Management LLC | 0 | $0 | 0.00% | −2,854−100.0% | Sold outConverted for a 1-for-20 split |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −2,307−100.0% | Sold outConverted for a 1-for-20 split |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,292−100.0% | Sold outConverted for a 1-for-20 split |
| Concurrent Investment Advisors, LLC | 0 | $0 | 0.00% | −1,900−100.0% | Sold outConverted for a 1-for-20 split |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −1,525−100.0% | Sold outConverted for a 1-for-20 split |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −1,466−100.0% | Sold outConverted for a 1-for-20 split |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −1,303−100.0% | Sold outConverted for a 1-for-20 split |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −1,268−100.0% | Sold outConverted for a 1-for-20 split |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −1,070−100.0% | Sold outConverted for a 1-for-20 split |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −867−100.0% | Sold outConverted for a 1-for-20 split |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −845−100.0% | Sold outConverted for a 1-for-20 split |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −713−100.0% | Sold outConverted for a 1-for-20 split |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −638−100.0% | Sold outConverted for a 1-for-20 split |
| Millennium Management LLC | 0 | $0 | 0.00% | −589−100.0% | Sold outConverted for a 1-for-20 split |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −557−100.0% | Sold outConverted for a 1-for-20 split |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −513−100.0% | Sold outConverted for a 1-for-20 split |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −183−100.0% | Sold outConverted for a 1-for-20 split |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −195−100.0% | Sold outConverted for a 1-for-20 split |
| Cornerstone Planning Group LLC | 0 | $0 | 0.00% | −0−100.0% | Sold outConverted for a 1-for-20 split |
| Royal Bank of Canada | 0 | $0 | 0.00% | −31−100.0% | Sold outConverted for a 1-for-20 split |
| BlackRock Inc. | – | – | – | – | Not filed |