MainStreet Bancshares, Inc. - MNSB
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BANC FUNDS CO LLC | History | Added to | 530,941 | 11,786 | 2.19% | 1.7% | 1 | +108,960 | 25.82% | Q1 2026 | May 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Reduced | 554,723 | 11,294 | 0.0% | 0.0% | 2 | -130,222 | -19.01% | Q1 2026 | May 15, 2026 |
| Fourthstone LLC | History | Reduced | 384,802 | 8,542 | 1.45% | 2.93% | 3 | -382,990 | -49.88% | Q1 2026 | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Reduced | 352,706 | 7,830 | 0.0% | 0.0% | 4 | -6,705 | -1.87% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 379,278 | 7,722 | 0.0% | 0.0% | 5 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| BlackRock, Inc. | History | Reduced | 347,608 | 7,716 | 0.0% | 0.0% | 6 | -2,730 | -0.78% | Q1 2026 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 301,487 | 6,693 | 0.0% | — | 7 | +301,487 | New | Q1 2026 | May 15, 2026 |
| FIRST MANHATTAN CO. LLC. | History | No change | 188,108 | 4,175 | 0.01% | 0.01% | 8 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 166,633 | 3,699 | 0.0% | 0.0% | 9 | +28,282 | 20.44% | Q1 2026 | May 07, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 147,168 | 3,267 | 0.0% | 0.0% | 10 | -2,801 | -1.87% | Q1 2026 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 133,976 | 2,970 | 0.0% | 0.0% | 11 | +36,942 | 38.07% | Q1 2026 | May 13, 2026 |
| UBS Group AG | History | Reduced | 113,178 | 2,512 | 0.0% | 0.0% | 12 | -498 | -0.44% | Q1 2026 | May 05, 2026 |
| MARSHALL WACE, LLP | History | Added to | 106,225 | 2,358 | 0.0% | 0.0% | 13 | +61,938 | 139.86% | Q1 2026 | May 14, 2026 |
| STATE STREET CORP | History | Added to | 100,211 | 2,224 | 0.0% | 0.0% | 14 | +26,649 | 36.23% | Q1 2026 | May 15, 2026 |
| Cresset Asset Management, LLC | History | Reduced | 72,000 | 1,598 | 0.01% | 0.03% | 15 | -261,136 | -78.39% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Added to | 63,776 | 1,415 | 0.03% | 0.03% | 16 | +3,034 | 4.99% | Q1 2026 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | New | 52,544 | 1,166 | 0.0% | — | 17 | +52,544 | New | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | Added to | 50,874 | 1,129 | 0.0% | 0.0% | 18 | +16,450 | 47.79% | Q1 2026 | May 15, 2026 |
| MENDON CAPITAL ADVISORS CORP | History | No change | 47,312 | 1,050 | 0.41% | 0.29% | 19 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 46,935 | 1,041 | 0.0% | 0.0% | 20 | -1,553 | -3.2% | Q1 2026 | May 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 39,661 | 880 | 0.0% | — | 21 | +39,661 | New | Q1 2026 | May 08, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 38,951 | 864 | 0.0% | — | 22 | +38,951 | New | Q1 2026 | May 08, 2026 |
| Empowered Funds, LLC | History | Added to | 34,396 | 763 | 0.0% | 0.01% | 23 | +3,034 | 9.67% | Q1 2026 | May 14, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Added to | 33,056 | 733 | 0.0% | 0.0% | 24 | +6,085 | 22.56% | Q1 2026 | May 11, 2026 |
| MORGAN STANLEY | History | Reduced | 24,380 | 541 | 0.0% | 0.0% | 25 | -2,085 | -7.88% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 23,518 | 522 | 0.0% | 0.0% | 26 | -15,770 | -40.14% | Q1 2026 | May 15, 2026 |
| ELCO Management Co., LLC | History | No change | 22,312 | 495 | 0.24% | 0.29% | 27 | 0 | 0.0% | Q1 2026 | Apr 23, 2026 |
| Creative Planning | History | Added to | 22,270 | 494 | 0.0% | 0.0% | 28 | +170 | 0.77% | Q1 2026 | May 12, 2026 |
| Daytona Street Capital LLC | History | No change | 18,000 | 405 | 0.31% | 0.28% | 29 | 0 | 0.0% | Q1 2026 | Apr 10, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 17,801 | 395 | 0.0% | 0.0% | 30 | -2,764 | -13.44% | Q1 2026 | May 15, 2026 |
| Trexquant Investment LP | History | Added to | 17,039 | 378 | 0.0% | 0.0% | 31 | +5,288 | 45.0% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 16,826 | 373 | 0.0% | 0.0% | 32 | -1,213 | -6.72% | Q1 2026 | May 05, 2026 |
| BARCLAYS PLC | History | Reduced | 16,513 | 366 | 0.0% | 0.0% | 33 | -9,535 | -36.61% | Q1 2026 | May 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 14,400 | 319 | 0.0% | 0.0% | 34 | -34,600 | -70.61% | Q1 2026 | May 14, 2026 |
| HighTower Advisors, LLC | History | Added to | 13,428 | 298 | 0.0% | 0.0% | 35 | +1,126 | 9.15% | Q1 2026 | May 05, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 12,827 | 284 | 0.0% | 0.0% | 36 | +1,463 | 12.87% | Q1 2026 | May 15, 2026 |
| Atlantic Union Bankshares Corp | History | No change | 12,600 | 279 | 0.01% | 0.0% | 37 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| XTX Topco Ltd | History | New | 10,110 | 224 | 0.0% | — | 38 | +10,110 | New | Q1 2026 | May 15, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Reduced | 9,732 | 216 | 0.0% | 0.0% | 39 | -1,732 | -15.11% | Q1 2026 | May 14, 2026 |
| Nuveen, LLC | History | New | 9,161 | 203 | 0.0% | — | 40 | +9,161 | New | Q1 2026 | Apr 30, 2026 |
| CALDWELL SUTTER CAPITAL, INC. | History | No change | 8,818 | 195 | 0.08% | 0.08% | 41 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 6,709 | 148 | 0.0% | 0.0% | 42 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Spire Wealth Management | History | No change | 6,562 | 145 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q1 2026 | Apr 22, 2026 |
| Hughes Financial Services, LLC | History | No change | 5,440 | 120 | 0.02% | 0.02% | 44 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 5,116 | 113 | 0.0% | 0.0% | 45 | -140 | -2.66% | Q1 2026 | May 12, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 5,026 | 111 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 3,484 | 77 | 0.0% | 0.0% | 47 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Added to | 3,357 | 74 | 0.0% | 0.0% | 48 | +68 | 2.07% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 2,875 | 63 | 0.0% | 0.0% | 49 | -1,906 | -39.87% | Q1 2026 | May 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 2,787 | 61 | 0.0% | 0.0% | 50 | +1,077 | 62.98% | Q1 2026 | May 12, 2026 |
| Cassaday & Co Wealth Management LLC | History | New | 2,730 | 60 | 0.0% | — | 51 | +2,730 | New | Q1 2026 | May 07, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 2,582 | 57 | 0.0% | 0.0% | 52 | -5,295 | -67.22% | Q1 2026 | May 11, 2026 |
| Vanguard Global Advisers, LLC | History | New | 2,563 | 56 | 0.0% | — | 53 | +2,563 | New | Q1 2026 | May 08, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 1,763 | 39 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,094 | 24 | 0.0% | 0.0% | 55 | +542 | 98.19% | Q1 2026 | May 15, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 1,050 | 23 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| US BANCORP \DE\ | History | No change | 1,000 | 22 | 0.0% | 0.0% | 57 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 777 | 17 | 0.0% | 0.0% | 59 | +110 | 16.49% | Q1 2026 | May 08, 2026 |
| FIRST UNITED BANK & TRUST | History | No change | 790 | 17 | 0.01% | 0.01% | 58 | 0 | 0.0% | Q1 2026 | Apr 21, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 718 | 15 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Legal & General Group Plc | History | No change | 636 | 14 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 550 | 13 | 0.0% | 0.0% | 62 | -659 | -54.51% | Q1 2026 | May 15, 2026 |
| State of Alaska, Department of Revenue | History | No change | 596 | 13 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q1 2026 | Apr 20, 2026 |
| Rockefeller Capital Management L.P. | History | Added to | 556 | 12 | 0.0% | 0.0% | 65 | +3 | 0.54% | Q1 2026 | May 14, 2026 |
| TOTH FINANCIAL ADVISORY CORP | History | Added to | 542 | 12 | 0.0% | 0.0% | 64 | +2 | 0.37% | Q1 2026 | Apr 16, 2026 |
| STRS OHIO | History | New | 500 | 11 | 0.0% | — | 66 | +500 | New | Q1 2026 | Apr 24, 2026 |
| FEDERATED HERMES, INC. | History | Reduced | 455 | 10 | 0.0% | 0.0% | 68 | -292 | -39.09% | Q1 2026 | May 11, 2026 |
| FMR LLC | History | Added to | 472 | 10 | 0.0% | 0.0% | 67 | +14 | 3.06% | Q1 2026 | May 15, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 381 | 8 | 0.0% | 0.0% | 69 | -51 | -11.81% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Added to | 320 | 7 | 0.0% | 0.0% | 70 | +160 | 100.0% | Q1 2026 | May 11, 2026 |
| Sterling Capital Management LLC | History | Reduced | 223 | 4 | 0.0% | 0.0% | 71 | -163 | -42.23% | Q1 2026 | Apr 22, 2026 |
| CWM, LLC | History | Added to | 173 | 3 | 0.0% | 0.0% | 72 | +64 | 58.72% | Q1 2026 | May 14, 2026 |
| Farther Finance Advisors, LLC | History | No change | 94 | 2 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q1 2026 | Apr 07, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | New | 88 | 1 | 0.0% | — | 75 | +88 | New | Q1 2026 | May 13, 2026 |
| SBI Securities Co., Ltd. | History | No change | 83 | 1 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Provident Wealth Management, LLC | History | Closed out | 0 | 0 | — | 0.07% | — | -10,932 | -100.0% | Q1 2026 | Apr 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -8,110 | -100.0% | Q1 2026 | May 15, 2026 |
| MetLife Investment Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -4,079 | -100.0% | Q1 2026 | May 14, 2026 |
| Kestra Advisory Services, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,990 | -100.0% | Q1 2026 | Apr 30, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -221 | -100.0% | Q1 2026 | May 08, 2026 |
| GAMMA Investing LLC | History | New | 29 | 0 | — | — | — | +29 | New | Q1 2026 | Apr 06, 2026 |
| Allworth Financial LP | History | New | 15 | 0 | — | — | — | +15 | New | Q1 2026 | May 14, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 26 | 0 | — | — | — | +10 | 62.5% | Q1 2026 | May 08, 2026 |
| Root Financial Partners, LLC | History | New | 7 | 0 | — | — | — | +7 | New | Q1 2026 | Apr 24, 2026 |
| MAI Capital Management | History | Added to | 10 | 0 | — | — | — | +5 | 100.0% | Q1 2026 | May 15, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Added to | 5 | 0 | — | — | — | +4 | 400.0% | Q1 2026 | May 07, 2026 |
| Arax Advisory Partners | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | May 13, 2026 |
| IFP Advisors, Inc | History | Reduced | 2 | 0 | — | — | — | -1 | -33.33% | Q1 2026 | Apr 13, 2026 |
| Essential Partners LLC | History | No change | 4 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 21, 2026 |