MWYN · Marwynn Holdings, Inc. · Holdings
$0.93
-0.03 (-3.55%)
At close · Sep 17
Going-concern doubt
— flagged Sep 14, 2026
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about the Company's ability to continue as a going concern within one year from the issuance date of the unaudited condensed consolidated financial statements.”View the 10-Q filed Sep 14, 2026
Market Cap
$20.19M
Shares
20.19M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 10
Total Value: $406,708
Total Shares: 383,693
Institutional Ownership Trend
6 quarters
Holder Concentration
Across 10 13F filers · Δ vs Mar 31, 2026Top Holder
39.8%
+2.4 pts
Top 5
85.2%
−11.9 pts
Top 10
100.0%
0.0 pts
HHI
2,318
Moderately concentrated−372
Quarterly Activity
vs Mar 31, 2026
New
5
Increased
4
Decreased
1
Sold Out
1
Unchanged
0
Holder count:
+4
Institutional value:
+424.7%
Shares held:
+268.8%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | +137,112 | 152,878 | |
| Mid XTX Topco Ltd | +27,451 | 37,747 | |
| Mega UBS Group AG | +5,168 | 8,169 | |
| Mid Tower Research Capital LLC (TRC) | +2,288 | 6,472 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | −11,554 | 27,354 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega JANE STREET GROUP, LLC | 82,991 | $87,970 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 25,853 | $27,404 | |
| Large HRT FINANCIAL LP | 24,056 | $25,499 | |
| Small TWO SIGMA SECURITIES, LLC | 18,159 | $19,248 | |
| Mega MORGAN STANLEY | 14 | $14 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega BlackRock, Inc. | 31,887 | $23,755 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega CITADEL ADVISORS LLC | $162,050 | 39.84% | 152,878 | Shares | 2026-09-02 | |
| Mega JANE STREET GROUP, LLC | $87,970 | 21.63% | 82,991 | Shares | 2026-08-14 | |
| Mid XTX Topco Ltd | $40,011 | 9.84% | 37,747 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $28,994 | 7.13% | 27,354 | Shares | 2026-08-12 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $27,404 | 6.74% | 25,853 | Shares | 2026-08-13 | |
| Large HRT FINANCIAL LP | $25,499 | 6.27% | 24,056 | Shares | 2026-08-14 | |
| Small TWO SIGMA SECURITIES, LLC Broker-Dealer | $19,248 | 4.73% | 18,159 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $8,658 | 2.13% | 8,169 | Shares | 2026-08-13 | |
| Mid Tower Research Capital LLC (TRC) | $6,860 | 1.69% | 6,472 | Shares | 2026-08-11 | |
| Mega MORGAN STANLEY | $14 | 0.00% | 14 | Shares | 2026-08-13 |