Marwynn Holdings, Inc. Common stock (MWYN) ownership: Yin Yan 77% · institutions 0% · index and ETF funds 0% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Geode Capital Management | 38908.00 | $28986.00 | 0.2% | 2026-03-31 |
| BlackRock | 31887.00 | $23756.00 | 0.2% | 2026-03-31 |
| Citadel | 15766.00 | $11746.00 | 0.1% | 2026-03-31 |
| Two Sigma | 13351.00 | $11199.00 | 0.1% | 2026-03-31 |
| Virtu Financial | 11755.00 | $10000.00 | 0.1% | 2026-03-31 |
| XTX Topco Ltd | 10296.00 | $7671.00 | 0.1% | 2026-03-31 |
| Tower Research Capital LLC (TRC) | 4184.00 | $3117.00 | 0.0% | 2026-03-31 |
| UBS | 3001.00 | $2236.00 | 0.0% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2025-11-19 | |
| Sell | null | 2025-10-23 | |
| Sell | null | 2025-10-23 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.