9 institutions reported holding $77,512 of MARWYNN HLDGS INC C (MWYN) in SEC 13F filings for 2026-03-31. Largest institutional holders: GEODE CAPITAL MANAGEMENT, LLC ($28,986), BlackRock, Inc. ($23,756), CITADEL ADVISORS LLC ($11,746), XTX Topco Ltd ($7,671), Tower Research Capital LLC (TRC) ($3,117). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | $28,986 | 38,908 | Added |
| 2 | BlackRock, Inc. | $23,756 | 31,887 | Added |
| 3 | CITADEL ADVISORS LLC | $11,746 | 15,766 | Trimmed |
| 4 | XTX Topco Ltd | $7,671 | 10,296 | New |
| 5 | Tower Research Capital LLC (TRC) | $3,117 | 4,184 | Trimmed |
| 6 | UBS Group AG | $2,236 | 3,001 | Added |
| 7 | DRW Securities, LLC | $0 | 0 | Exited |
| 8 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 9 | Virtu Financial LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31