MainStreet Bancshares, Inc. (NASDAQ:MNSB) currently has 71 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Fourthstone LLC | 31 Dec, 2025 | 767,792 | 257,859 | 50.57% | $15,632,245.00 |
| ALLIANCEBERNSTEIN L.P. | 31 Dec, 2025 | 684,945 | 10,782 | 1.60% | $13,945,480.00 |
| BANC FUNDS CO LLC | 31 Dec, 2025 | 421,981 | -151,392 | -26.40% | $8,591,533.00 |
| VANGUARD GROUP INC | 31 Dec, 2025 | 379,278 | -1,014 | -0.27% | $7,722,101.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Dec, 2025 | 359,411 | -51,612 | -12.56% | $7,317,608.00 |
| BlackRock, Inc. | 31 Dec, 2025 | 350,338 | 17,115 | 5.14% | $7,132,882.00 |
| Cresset Asset Management, LLC | 31 Dec, 2025 | 333,136 | -2,587 | -0.77% | $6,782,639.00 |
| FIRST MANHATTAN CO. LLC. | 31 Dec, 2025 | 188,108 | -21,370 | -10.20% | $3,829,879.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 149,969 | -2,803 | -1.83% | $3,053,709.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Dec, 2025 | 138,351 | 19,224 | 16.14% | $2,816,878.00 |
| UBS Group AG | 31 Dec, 2025 | 113,676 | -21,145 | -15.68% | $2,314,443.00 |
| ACADIAN ASSET MANAGEMENT LLC | 31 Dec, 2025 | 97,034 | 11,125 | 12.95% | $1,971.00 |
| STATE STREET CORP | 31 Dec, 2025 | 73,562 | 582 | 0.80% | $1,497,722.00 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 60,742 | 9,155 | 17.75% | $1,236,707.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Dec, 2025 | 49,000 | -388 | -0.79% | $997,640.00 |
| NORTHERN TRUST CORP | 31 Dec, 2025 | 48,488 | -5,103 | -9.52% | $987,216.00 |
| MARSHALL WACE, LLP | 31 Dec, 2025 | 44,287 | 31,833 | 255.60% | $901,683.00 |
| CITADEL ADVISORS LLC | 31 Dec, 2025 | 39,288 | 39,288 | 0.00% | $799,904.00 |
| Squarepoint Ops LLC | 31 Dec, 2025 | 34,424 | 34,424 | 0.00% | $700,873.00 |
| Empowered Funds, LLC | 31 Dec, 2025 | 31,362 | 2,755 | 9.63% | $638,530.00 |