MainStreet Bancshares, Inc. - MNSB
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 6 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fourthstone LLC | History | Added to | 767,792 | 15,632 | 2.93% | 1.9% | 1 | +257,859 | 50.57% | Q4 2025 | Feb 13, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Added to | 684,945 | 13,945 | 0.0% | 0.0% | 2 | +10,782 | 1.6% | Q4 2025 | Feb 17, 2026 |
| BANC FUNDS CO LLC | History | Reduced | 421,981 | 8,591 | 1.7% | 2.09% | 3 | -151,392 | -26.4% | Q4 2025 | Feb 12, 2026 |
| VANGUARD GROUP INC | History | Reduced | 379,278 | 7,722 | 0.0% | 0.0% | 4 | -1,014 | -0.27% | Q4 2025 | Jan 29, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Reduced | 359,411 | 7,317 | 0.0% | 0.0% | 5 | -51,612 | -12.56% | Q4 2025 | Feb 17, 2026 |
| BlackRock, Inc. | History | Added to | 350,338 | 7,132 | 0.0% | 0.0% | 6 | +17,115 | 5.14% | Q4 2025 | Feb 12, 2026 |
| Cresset Asset Management, LLC | History | Reduced | 333,136 | 6,782 | 0.03% | 0.03% | 7 | -2,587 | -0.77% | Q4 2025 | Feb 17, 2026 |
| FIRST MANHATTAN CO. LLC. | History | Reduced | 188,108 | 3,829 | 0.01% | 0.01% | 8 | -21,370 | -10.2% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 149,969 | 3,053 | 0.0% | 0.0% | 9 | -2,803 | -1.83% | Q4 2025 | Feb 09, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 138,351 | 2,816 | 0.0% | 0.0% | 10 | +19,224 | 16.14% | Q4 2025 | Feb 12, 2026 |
| UBS Group AG | History | Reduced | 113,676 | 2,314 | 0.0% | 0.0% | 11 | -21,145 | -15.68% | Q4 2025 | Jan 29, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 97,034 | 1,971 | 0.0% | 0.0% | 12 | +11,125 | 12.95% | Q4 2025 | Feb 10, 2026 |
| STATE STREET CORP | History | Added to | 73,562 | 1,497 | 0.0% | 0.0% | 13 | +582 | 0.8% | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Added to | 60,742 | 1,236 | 0.03% | 0.02% | 14 | +9,155 | 17.75% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 49,000 | 997 | 0.0% | 0.0% | 15 | -388 | -0.79% | Q4 2025 | Feb 12, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 48,488 | 987 | 0.0% | 0.0% | 16 | -5,103 | -9.52% | Q4 2025 | Feb 17, 2026 |
| MENDON CAPITAL ADVISORS CORP | History | Added to | 47,312 | 963 | 0.29% | 0.29% | 17 | +8,786 | 22.81% | Q4 2025 | Feb 18, 2026 |
| MARSHALL WACE, LLP | History | Added to | 44,287 | 901 | 0.0% | 0.0% | 18 | +31,833 | 255.6% | Q4 2025 | Feb 13, 2026 |
| CITADEL ADVISORS LLC | History | New | 39,288 | 799 | 0.0% | — | 19 | +39,288 | New | Q4 2025 | Feb 17, 2026 |
| Squarepoint Ops LLC | History | New | 34,424 | 700 | 0.0% | — | 20 | +34,424 | New | Q4 2025 | Feb 13, 2026 |
| Empowered Funds, LLC | History | Added to | 31,362 | 638 | 0.01% | 0.01% | 21 | +2,755 | 9.63% | Q4 2025 | Feb 18, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Added to | 26,971 | 549 | 0.0% | 0.0% | 22 | +9,067 | 50.64% | Q4 2025 | Feb 10, 2026 |
| MORGAN STANLEY | History | Added to | 26,465 | 538 | 0.0% | 0.0% | 23 | +1,066 | 4.2% | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | Added to | 26,048 | 530 | 0.0% | 0.0% | 24 | +3,707 | 16.59% | Q4 2025 | Feb 13, 2026 |
| ELCO Management Co., LLC | History | Added to | 22,312 | 454 | 0.29% | 0.12% | 25 | +10,850 | 94.66% | Q4 2025 | Feb 04, 2026 |
| Creative Planning | History | Reduced | 22,100 | 449 | 0.0% | 0.0% | 26 | -69 | -0.31% | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 20,565 | 418 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 18,039 | 367 | 0.0% | 0.0% | 28 | -6,298 | -25.88% | Q4 2025 | Feb 10, 2026 |
| Daytona Street Capital LLC | History | New | 18,000 | 366 | 0.28% | — | 29 | +18,000 | New | Q4 2025 | Jan 21, 2026 |
| Atlantic Union Bankshares Corp | History | No change | 12,600 | 256 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |
| HighTower Advisors, LLC | History | Added to | 12,302 | 250 | 0.0% | 0.0% | 31 | +1 | 0.01% | Q4 2025 | Feb 06, 2026 |
| Trexquant Investment LP | History | New | 11,751 | 239 | 0.0% | — | 32 | +11,751 | New | Q4 2025 | Feb 17, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | New | 11,464 | 233 | 0.0% | — | 33 | +11,464 | New | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 11,364 | 231 | 0.0% | 0.0% | 34 | -15,276 | -57.34% | Q4 2025 | Mar 25, 2026 |
| Provident Wealth Management, LLC | History | No change | 10,932 | 222 | 0.07% | 0.07% | 35 | 0 | 0.0% | Q4 2025 | Jan 28, 2026 |
| CALDWELL SUTTER CAPITAL, INC. | History | No change | 8,818 | 179 | 0.08% | 0.08% | 36 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 8,110 | 165 | 0.0% | 0.0% | 37 | +3,270 | 67.56% | Q4 2025 | Feb 17, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 7,877 | 160 | 0.0% | 0.0% | 38 | +2,541 | 47.62% | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 6,709 | 136 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Spire Wealth Management | History | No change | 6,562 | 133 | 0.0% | 0.0% | 40 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| Hughes Financial Services, LLC | History | No change | 5,440 | 110 | 0.02% | 0.02% | 41 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 5,256 | 107 | 0.0% | 0.0% | 42 | -1,942 | -26.98% | Q4 2025 | Feb 13, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 5,026 | 102 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 4,781 | 97 | 0.0% | 0.0% | 44 | -1,967 | -29.15% | Q4 2025 | Feb 11, 2026 |
| MetLife Investment Management, LLC | History | Reduced | 4,079 | 83 | 0.0% | 0.0% | 45 | -342 | -7.74% | Q4 2025 | Feb 12, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 3,484 | 70 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Reduced | 3,289 | 66 | 0.0% | 0.0% | 47 | -49 | -1.47% | Q4 2025 | Feb 17, 2026 |
| Kestra Advisory Services, LLC | History | New | 1,990 | 40 | 0.0% | — | 48 | +1,990 | New | Q4 2025 | Feb 13, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 1,763 | 35 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 1,710 | 34 | 0.0% | 0.0% | 50 | -51 | -2.9% | Q4 2025 | Feb 10, 2026 |
| ROYAL BANK OF CANADA | History | New | 1,209 | 24 | 0.0% | — | 51 | +1,209 | New | Q4 2025 | Feb 17, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 1,050 | 21 | 0.0% | — | 52 | +1,050 | New | Q4 2025 | Feb 12, 2026 |
| US BANCORP \DE\ | History | No change | 1,000 | 20 | 0.0% | 0.0% | 53 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| FIRST UNITED BANK & TRUST | History | No change | 790 | 16 | 0.01% | 0.01% | 54 | 0 | 0.0% | Q4 2025 | Jan 21, 2026 |
| FEDERATED HERMES, INC. | History | Added to | 747 | 15 | 0.0% | 0.0% | 55 | +53 | 7.64% | Q4 2025 | Feb 12, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 718 | 14 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Russell Investments Group, Ltd. | History | Reduced | 667 | 13 | 0.0% | 0.0% | 57 | -3,004 | -81.83% | Q4 2025 | Feb 17, 2026 |
| State of Alaska, Department of Revenue | History | New | 596 | 12 | 0.0% | — | 59 | +596 | New | Q4 2025 | Jan 23, 2026 |
| Legal & General Group Plc | History | No change | 636 | 12 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 552 | 11 | 0.0% | 0.0% | 60 | -512 | -48.12% | Q4 2025 | Feb 17, 2026 |
| Rockefeller Capital Management L.P. | History | Added to | 553 | 11 | 0.0% | 0.0% | 61 | +3 | 0.55% | Q4 2025 | Mar 16, 2026 |
| TOTH FINANCIAL ADVISORY CORP | History | Added to | 540 | 10 | 0.0% | 0.0% | 62 | +3 | 0.56% | Q4 2025 | Jan 20, 2026 |
| FMR LLC | History | Added to | 458 | 9 | 0.0% | 0.0% | 63 | +350 | 324.07% | Q4 2025 | Feb 17, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 432 | 8 | 0.0% | 0.0% | 64 | -8 | -1.82% | Q4 2025 | Feb 17, 2026 |
| Sterling Capital Management LLC | History | Reduced | 386 | 7 | 0.0% | 0.0% | 65 | -75 | -16.27% | Q4 2025 | Feb 13, 2026 |
| AMALGAMATED BANK | History | Reduced | 221 | 4 | 0.0% | 0.0% | 66 | -19 | -7.92% | Q4 2025 | Feb 05, 2026 |
| CITIGROUP INC | History | Added to | 160 | 3 | 0.0% | 0.0% | 67 | +67 | 72.04% | Q4 2025 | Feb 13, 2026 |
| CWM, LLC | History | Reduced | 109 | 2 | 0.0% | 0.0% | 68 | -102 | -48.34% | Q4 2025 | Jan 26, 2026 |
| Farther Finance Advisors, LLC | History | New | 94 | 1 | 0.0% | — | 70 | +94 | New | Q4 2025 | Jan 23, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 83 | 1 | 0.0% | 0.0% | 69 | +1 | 1.22% | Q4 2025 | Feb 03, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -32,052 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA ADVISERS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -17,500 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.02% | — | -11,888 | -100.0% | Q3 2025 | Nov 07, 2025 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -10,072 | -100.0% | Q3 2025 | Nov 14, 2025 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Reduced | 16 | 0 | — | 0.0% | — | -167 | -91.26% | Q4 2025 | Feb 06, 2026 |
| Arax Advisory Partners | History | Closed out | 0 | 0 | — | — | — | -43 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GAMMA Investing LLC | History | Closed out | 0 | 0 | — | — | — | -28 | -100.0% | Q3 2025 | Oct 02, 2025 |
| MAI Capital Management | History | New | 5 | 0 | — | — | — | +5 | New | Q4 2025 | Feb 13, 2026 |
| EverSource Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -3 | -100.0% | Q3 2025 | Nov 10, 2025 |
| ROTHSCHILD INVESTMENT LLC | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Feb 10, 2026 |
| IFP Advisors, Inc | History | Added to | 3 | 0 | — | — | — | +1 | 50.0% | Q4 2025 | Feb 06, 2026 |