Which hedge funds own QMCO? QUANTUM CORP, Q2 2026 13F holders
15 of the hedge funds tracked by WhaleCreep disclosed a position in QMCO (QUANTUM CORP) in their Q2 2026 13F filings, worth $98.9m in total. The largest holder by portfolio weight is Manatuck Hill Partners, LLC at 1.3% of its book. 12 managers opened a new position this quarter: Manatuck Hill Partners, LLC, Two Seas Capital LP, Oaktree Capital Management LP, Cinctive Capital Management LP.
15tracked managers holding
12opened this quarter
0exited this quarter
Which hedge funds hold QMCO? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Manatuck Hill Partners, LLC | Q2 2026 | 1.3% | $3.9m | 350,000 | – | new |
| Two Seas Capital LP | Q2 2026 | 1.0% | $27.4m | 2,488,535 | – | new |
| Cygnus Capital Advisors, LLC | Q2 2026 | 0.6% | $818.0k | 74,323 | -40% | reduced |
| Oaktree Capital Management LP | Q2 2026 | 0.4% | $22.1m | 2,011,678 | – | new |
| Cinctive Capital Management LP | Q2 2026 | 0.1% | $2.0m | 182,769 | – | new |
| Alyeska Investment Group, L.P. | Q2 2026 | 0.1% | $29.2m | 2,653,928 | – | new |
| Sona Asset Management (us) LLC | Q2 2026 | 0.1% | $1.6m | 150,000 | 114% | added |
| Centiva Capital, LP | Q2 2026 | 0.0% | $1.1m | 100,000 | – | new |
| Marshall Wace, LLP | Q2 2026 | 0.0% | $7.8m | 713,075 | 1800% | added |
| Walleye Capital LLC | Q2 2026 | 0.0% | $1.3m | 120,044 | – | new |
| Qube Research & Technologies LTD | Q2 2026 | 0.0% | $890.7k | 80,977 | – | new |
| Squarepoint Ops LLC | Q2 2026 | 0.0% | $372.0k | 33,817 | – | new |
| Schonfeld Strategic Advisors LLC | Q2 2026 | 0.0% | $132.6k | 12,055 | – | new |
| Millennium Management LLC | Q2 2026 | 0.0% | $239.3k | 21,755 | – | new |
| Quarry LP | Q2 2026 | 0.0% | $187 | 17 | – | new |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| renaissance | Q2 2026 | 0.0% |
How has hedge fund ownership of QMCO changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 16 | $100.6m |
| Q1 2026 | 3 | $1.1m |
Counts every tracked manager that disclosed QMCO in that quarter's filing, including managers that have since stopped filing.