IRVINE, CA
MARWYNN HOLDINGS, INC.MWYN— Latest position per institution from SEC 13F filings
15
Institutional holders
493.43K
Total shares held
476.16K
Estimated value
29.03K
Avg. position size
CITADEL ADVISORS LLC
CIK 1423053
Shares
152.88K
Value
162.05K
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
82.99K
Value
87.97K
Filed
Jun 30, 2026
DRW SECURITIES, LLC
CIK 1481986
Shares
45.34K
Value
38.03K
Filed
Dec 31, 2025
XTX TOPCO LTD
CIK 1828301
Shares
37.75K
Value
40.01K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
31.89K
Value
23.76K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
27.35K
Value
28.99K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
25.85K
Value
27.40K
Filed
Jun 30, 2026
HRT FINANCIAL LP
CIK 1475597
Shares
24.06K
Value
25.00
Filed
Jun 30, 2026
TWO SIGMA SECURITIES, LLC
CIK 1450144
Shares
18.16K
Value
19.25K
Filed
Jun 30, 2026
ROYAL BANK OF CANADA
CIK 1000275
Shares
15.52K
Value
27K
Filed
Jun 30, 2025
VIRTU FINANCIAL LLC
CIK 1533964
Shares
11.76K
Value
10.00
Filed
Dec 31, 2025
UBS GROUP AG
CIK 1610520
Shares
8.17K
Value
8.66K
Filed
Jun 30, 2026
TOWER RESEARCH CAPITAL LLC (TRC)
CIK 1533421
Shares
6.47K
Value
6.86K
Filed
Jun 30, 2026
CITIGROUP INC
CIK 831001
Shares
5.04K
Value
5.89K
Filed
Sep 30, 2025
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
200.00
Value
234.00
Filed
Sep 30, 2025
MORGAN STANLEY
CIK 895421
Shares
14.00
Value
15.00
Filed
Jun 30, 2026
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 752798
Shares
0.00
Value
0.00
Filed
Jun 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | 1423053 | 152.88K | 162.05K | Jun 30, 2026 |
| 2 | JANE STREET GROUP, LLC | 1595888 | 82.99K | 87.97K | Jun 30, 2026 |
| 3 | DRW SECURITIES, LLC | 1481986 | 45.34K | 38.03K | Dec 31, 2025 |
| 4 | XTX TOPCO LTD | 1828301 | 37.75K | 40.01K | Jun 30, 2026 |
| 5 | BLACKROCK, INC. | 2012383 | 31.89K | 23.76K | Mar 31, 2026 |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 27.35K | 28.99K | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 25.85K | 27.40K | Jun 30, 2026 |
| 8 | HRT FINANCIAL LP | 1475597 | 24.06K | 25.00 | Jun 30, 2026 |
| 9 | TWO SIGMA SECURITIES, LLC | 1450144 | 18.16K | 19.25K | Jun 30, 2026 |
| 10 | ROYAL BANK OF CANADA | 1000275 | 15.52K | 27K | Jun 30, 2025 |
| 11 | VIRTU FINANCIAL LLC | 1533964 | 11.76K | 10.00 | Dec 31, 2025 |
| 12 | UBS GROUP AG | 1610520 | 8.17K | 8.66K | Jun 30, 2026 |
| 13 | TOWER RESEARCH CAPITAL LLC (TRC) | 1533421 | 6.47K | 6.86K | Jun 30, 2026 |
| 14 | CITIGROUP INC | 831001 | 5.04K | 5.89K | Sep 30, 2025 |
| 15 | BANK OF AMERICA CORP /DE/ | 70858 | 200.00 | 234.00 | Sep 30, 2025 |
| 16 | MORGAN STANLEY | 895421 | 14.00 | 15.00 | Jun 30, 2026 |
| 17 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 752798 | 0.00 | 0.00 | Jun 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.