FAIRFAX, VA
MAINSTREET BANCSHARES, INC.MNSB— Latest position per institution from SEC 13F filings
15
Institutional holders
4.57M
Total shares held
91.05M
Estimated value
228.69K
Avg. position size
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
554.72K
Value
11.29M
Filed
Mar 31, 2026
BANC FUNDS CO LLC
CIK 1029311
Shares
530.94K
Value
11.79M
Filed
Mar 31, 2026
FOURTHSTONE LLC
CIK 1767803
Shares
384.80K
Value
8.54M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
379.28K
Value
7.72M
Filed
Dec 31, 2025
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
352.71K
Value
7.83M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
347.61K
Value
7.72M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
301.49K
Value
6.69M
Filed
Mar 31, 2026
EJF CAPITAL LP
CIK 1353254
Shares
207.63K
Value
4.74K
Filed
Sep 30, 2022
FIRST MANHATTAN CO. LLC.
CIK 728083
Shares
188.11K
Value
4.18M
Filed
Mar 31, 2026
JACOBS ASSET MANAGEMENT, LLC
CIK 1351063
Shares
186.29K
Value
4.38M
Filed
Mar 31, 2023
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
166.63K
Value
3.70M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
147.17K
Value
3.27M
Filed
Mar 31, 2026
ELIZABETH PARK CAPITAL ADVISORS, LTD.
CIK 1600583
Shares
145.35K
Value
2.58M
Filed
Jun 30, 2024
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
133.98K
Value
2.97K
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
113.18K
Value
2.51M
Filed
Mar 31, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
106.22K
Value
2.36M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
100.21K
Value
2.22M
Filed
Mar 31, 2026
CUTLER CAPITAL MANAGEMENT, LLC
CIK 1353098
Shares
86.30K
Value
1.44M
Filed
Mar 31, 2025
CRESSET ASSET MANAGEMENT, LLC
CIK 1761013
Shares
72K
Value
1.60M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
69.14K
Value
1.23M
Filed
Jun 30, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | 1109448 | 554.72K | 11.29M | Mar 31, 2026 |
| 2 | BANC FUNDS CO LLC | 1029311 | 530.94K | 11.79M | Mar 31, 2026 |
| 3 | FOURTHSTONE LLC | 1767803 | 384.80K | 8.54M | Mar 31, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 379.28K | 7.72M | Dec 31, 2025 |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 352.71K | 7.83M | Mar 31, 2026 |
| 6 | BLACKROCK, INC. | 2012383 | 347.61K | 7.72M | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 301.49K | 6.69M | Mar 31, 2026 |
| 8 | EJF CAPITAL LP | 1353254 | 207.63K | 4.74K | Sep 30, 2022 |
| 9 | FIRST MANHATTAN CO. LLC. | 728083 | 188.11K | 4.18M | Mar 31, 2026 |
| 10 | JACOBS ASSET MANAGEMENT, LLC | 1351063 | 186.29K | 4.38M | Mar 31, 2023 |
| 11 | DIMENSIONAL FUND ADVISORS LP | 354204 | 166.63K | 3.70M | Mar 31, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 147.17K | 3.27M | Mar 31, 2026 |
| 13 | ELIZABETH PARK CAPITAL ADVISORS, LTD. | 1600583 | 145.35K | 2.58M | Jun 30, 2024 |
| 14 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 133.98K | 2.97K | Mar 31, 2026 |
| 15 | UBS GROUP AG | 1610520 | 113.18K | 2.51M | Mar 31, 2026 |
| 16 | MARSHALL WACE, LLP | 1318757 | 106.22K | 2.36M | Mar 31, 2026 |
| 17 | STATE STREET CORP | 93751 | 100.21K | 2.22M | Mar 31, 2026 |
| 18 | CUTLER CAPITAL MANAGEMENT, LLC | 1353098 | 86.30K | 1.44M | Mar 31, 2025 |
| 19 | CRESSET ASSET MANAGEMENT, LLC | 1761013 | 72K | 1.60M | Mar 31, 2026 |
| 20 | BLACKROCK FINANCE, INC. | 1364742 | 69.14K | 1.23M | Jun 30, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.