MainStreet Bancshares, Inc. (NASDAQ:MNSB) has 80 institutional investors that have filed 13F reports for the period ending March 2026.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| ALLIANCEBERNSTEIN L.P. | 31 Mar, 2026 | 554,723 | -130,222 | -19.01% | $11,294,160.00 |
| BANC FUNDS CO LLC | 31 Mar, 2026 | 530,941 | 108,960 | 25.82% | $11,786,890.00 |
| Fourthstone LLC | 31 Mar, 2026 | 384,802 | -382,990 | -49.88% | $8,542,604.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 352,706 | -6,705 | -1.87% | $7,830,073.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 347,608 | -2,730 | -0.78% | $7,716,897.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 301,487 | 301,487 | 0.00% | $6,693,011.00 |
| FIRST MANHATTAN CO. LLC. | 31 Mar, 2026 | 188,108 | 0 | 0.00% | $4,175,998.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 166,633 | 28,282 | 20.44% | $3,699,046.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 147,168 | -2,801 | -1.87% | $3,267,520.00 |
| ACADIAN ASSET MANAGEMENT LLC | 31 Mar, 2026 | 133,976 | 36,942 | 38.07% | $2,970.00 |
| UBS Group AG | 31 Mar, 2026 | 113,178 | -498 | -0.44% | $2,512,551.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 106,225 | 61,938 | 139.86% | $2,358,194.00 |
| State Street Corp | 31 Mar, 2026 | 100,211 | 26,649 | 36.23% | $2,224,684.00 |
| Cresset Asset Management, LLC | 31 Mar, 2026 | 72,000 | -261,136 | -78.39% | $1,598,406.00 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 63,776 | 3,034 | 4.99% | $1,415,827.00 |
| AMERICAN CENTURY COMPANIES INC | 31 Mar, 2026 | 52,544 | 52,544 | 0.00% | $1,166,477.00 |
| Squarepoint Ops LLC | 31 Mar, 2026 | 50,874 | 16,450 | 47.79% | $1,129,403.00 |
| MENDON CAPITAL ADVISORS CORP | 31 Mar, 2026 | 47,312 | 0 | 0.00% | $1,050,326.00 |
| Northern Trust Corp | 31 Mar, 2026 | 46,935 | -1,553 | -3.20% | $1,041,957.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 39,661 | 39,661 | 0.00% | $880,474.00 |