13 institutions reported holding $560,212 of MEGA MATRIX INC (MPU) in SEC 13F filings for 2026-06-30. Largest institutional holders: HRT FINANCIAL LP ($282,000), UBS Group AG ($114,746), MORGAN STANLEY ($70,932), GOLDMAN SACHS GROUP INC ($40,812), MILLENNIUM MANAGEMENT LLC ($15,360). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HRT FINANCIAL LP | $282,000 | 956,921 | New |
| 2 | UBS Group AG | $114,746 | 388,970 | Added |
| 3 | MORGAN STANLEY | $70,932 | 240,449 | Hold |
| 4 | GOLDMAN SACHS GROUP INC | $40,812 | 138,345 | Added |
| 5 | MILLENNIUM MANAGEMENT LLC | $15,360 | 52,067 | Trimmed |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $10,554 | 35,776 | New |
| 7 | TWO SIGMA SECURITIES, LLC | $8,171 | 27,698 | Added |
| 8 | XTX Topco Ltd | $7,264 | 24,623 | Trimmed |
| 9 | TWO SIGMA INVESTMENTS, LP | $6,833 | 23,163 | Trimmed |
| 10 | CAPITAL ADVISORS INC/OK | $3,540 | 12,000 | Hold |
| 11 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 12 | WELLS FARGO & COMPANY/MN | $0 | 0 | Exited |
| 13 | CITIGROUP INC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30