11 institutions reported holding $406,214 of MARWYNN HOLDINGS INC (MWYN) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($162,051), JANE STREET GROUP, LLC ($87,970), XTX Topco Ltd ($40,012), GEODE CAPITAL MANAGEMENT, LLC ($28,994), VANGUARD GROUP INC ($27,404). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $162,051 | 152,878 | Added |
| 2 | JANE STREET GROUP, LLC | $87,970 | 82,991 | New |
| 3 | XTX Topco Ltd | $40,012 | 37,747 | Added |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $28,994 | 27,354 | Trimmed |
| 5 | VANGUARD GROUP INC | $27,404 | 25,853 | New |
| 6 | HRT FINANCIAL LP | $25,000 | 24,056 | New |
| 7 | TWO SIGMA SECURITIES, LLC | $19,249 | 18,159 | New |
| 8 | UBS Group AG | $8,659 | 8,169 | Added |
| 9 | Tower Research Capital LLC (TRC) | $6,860 | 6,472 | Added |
| 10 | MORGAN STANLEY | $15 | 14 | New |
| 11 | BlackRock, Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30