MainStreet Bancshares, Inc. - MNSB

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2026 · Compare: Q1 2026
13D/13G major owners: Ownership tab.
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 545,679 13,472 2.23% 2.19% 1 +14,738 2.78% Q2 2026 Aug 13, 2026
BlackRock, Inc. History Added to 404,037 9,975 0.0% 0.0% 2 +56,429 16.23% Q2 2026 Aug 07, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 418,393 9,288 0.0% 0.0% 3 -136,330 -24.58% Q2 2026 Aug 14, 2026
WELLINGTON MANAGEMENT GROUP LLP History Reduced 336,961 8,319 0.0% 0.0% 4 -15,745 -4.46% Q2 2026 Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History Reduced 262,466 6,480 0.0% 0.0% 5 -39,021 -12.94% Q2 2026 Aug 13, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 205,014 5,061 0.0% 0.0% 6 +38,381 23.03% Q2 2026 Aug 11, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 183,245 4,518 0.01% 0.0% 7 +49,269 36.77% Q2 2026 Aug 13, 2026
FIRST MANHATTAN CO. LLC. History Reduced 161,731 3,993 0.01% 0.01% 8 -26,377 -14.02% Q2 2026 Aug 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 152,196 3,758 0.0% 0.0% 9 +5,028 3.42% Q2 2026 Aug 12, 2026
MARSHALL WACE, LLP History Added to 120,194 2,967 0.0% 0.0% 10 +13,969 13.15% Q2 2026 Aug 13, 2026
STATE STREET CORP History Added to 109,465 2,702 0.0% 0.0% 11 +9,254 9.23% Q2 2026 Aug 07, 2026
AMERICAN CENTURY COMPANIES INC History Added to 101,604 2,508 0.0% 0.0% 12 +49,060 93.37% Q2 2026 Aug 12, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 66,551 1,643 0.03% 0.03% 13 +2,775 4.35% Q2 2026 Aug 14, 2026
Cresset Asset Management, LLC History Reduced 59,040 1,457 0.01% 0.01% 14 -12,960 -18.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History Added to 58,344 1,440 0.0% 0.0% 15 +34,826 148.08% Q2 2026 Sep 02, 2026
NORTHERN TRUST CORP History Added to 48,150 1,188 0.0% 0.0% 16 +1,215 2.59% Q2 2026 Aug 13, 2026
Fourthstone LLC History Reduced 47,432 1,185 0.84% 1.45% 17 -337,370 -87.67% Q2 2026 Aug 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History Added to 42,813 1,057 0.0% 0.0% 18 +3,152 7.95% Q2 2026 Aug 13, 2026
Trexquant Investment LP History Added to 39,525 975 0.01% 0.0% 19 +22,486 131.97% Q2 2026 Aug 14, 2026
VANGUARD FIDUCIARY TRUST CO History Added to 39,018 963 0.0% 0.0% 20 +67 0.17% Q2 2026 Aug 13, 2026
Squarepoint Ops LLC History Reduced 37,233 919 0.0% 0.0% 21 -13,641 -26.81% Q2 2026 Aug 14, 2026
Empowered Funds, LLC History Added to 37,171 917 0.0% 0.0% 22 +2,775 8.07% Q2 2026 Aug 14, 2026
UBS Group AG History Reduced 33,102 817 0.0% 0.0% 23 -80,076 -70.75% Q2 2026 Aug 13, 2026
Connor, Clark & Lunn Investment Management Ltd. History Reduced 30,385 750 0.0% 0.0% 24 -2,671 -8.08% Q2 2026 Aug 12, 2026
AQR CAPITAL MANAGEMENT LLC History New 29,408 726 0.0% 25 +29,408 New Q2 2026 Aug 14, 2026
STRS OHIO History Added to 26,100 644 0.0% 0.0% 26 +25,600 5120.0% Q2 2026 Jul 30, 2026
MORGAN STANLEY History Reduced 24,316 600 0.0% 0.0% 27 -64 -0.26% Q2 2026 Aug 13, 2026
HRT FINANCIAL LP History New 24,284 599 0.0% 28 +24,284 New Q2 2026 Aug 14, 2026
MENDON CAPITAL ADVISORS CORP History Reduced 23,370 577 0.2% 0.41% 29 -23,942 -50.6% Q2 2026 Aug 11, 2026
GSA CAPITAL PARTNERS LLP History New 23,242 574 0.04% 30 +23,242 New Q2 2026 Aug 06, 2026
Creative Planning History Added to 22,793 562 0.0% 0.0% 31 +523 2.35% Q2 2026 Aug 13, 2026
R Squared Ltd History New 20,799 513 0.27% 32 +20,799 New Q2 2026 Aug 05, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 19,444 480 0.0% 0.0% 33 +1,643 9.23% Q2 2026 Aug 14, 2026
Nuveen, LLC History Added to 17,867 441 0.0% 0.0% 34 +8,706 95.03% Q2 2026 Aug 11, 2026
Daytona Street Capital LLC History No change 18,000 432 0.32% 0.31% 35 0 0.0% Q2 2026 Aug 03, 2026
Bank of New York Mellon Corp History Added to 17,416 430 0.0% 0.0% 36 +590 3.51% Q2 2026 Aug 06, 2026
TWO SIGMA INVESTMENTS, LP History New 16,699 412 0.0% 37 +16,699 New Q2 2026 Aug 14, 2026
BARCLAYS PLC History Reduced 15,862 391 0.0% 0.0% 38 -651 -3.94% Q2 2026 Aug 14, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 14,401 355 0.0% 39 +14,401 New Q2 2026 Aug 13, 2026
XTX Topco Ltd History Added to 13,868 342 0.0% 0.0% 40 +3,758 37.17% Q2 2026 Aug 14, 2026
HighTower Advisors, LLC History Added to 13,495 333 0.0% 0.0% 41 +67 0.5% Q2 2026 Aug 05, 2026
Atlantic Union Bankshares Corp History No change 12,600 311 0.01% 0.01% 42 0 0.0% Q2 2026 Aug 11, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 11,000 271 0.0% 0.0% 43 -3,400 -23.61% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History Reduced 10,628 262 0.0% 0.0% 44 -2,199 -17.14% Q2 2026 Aug 14, 2026
Point72 Asset Management, L.P. History New 10,488 258 0.0% 45 +10,488 New Q2 2026 Aug 14, 2026
ELCO Management Co., LLC History Reduced 10,221 252 0.11% 0.24% 46 -12,091 -54.19% Q2 2026 Aug 10, 2026
SEI INVESTMENTS CO History New 9,915 244 0.0% 47 +9,915 New Q2 2026 Aug 14, 2026
Russell Investments Group, Ltd. History Added to 9,843 242 0.0% 0.0% 48 +9,066 1166.8% Q2 2026 Aug 06, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History No change 9,732 240 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 13, 2026
Quadrature Capital Ltd History New 9,707 239 0.0% 50 +9,707 New Q2 2026 Aug 06, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History New 8,970 221 0.01% 51 +8,970 New Q2 2026 Aug 13, 2026
CALDWELL SUTTER CAPITAL, INC. History No change 8,818 217 0.08% 0.08% 52 0 0.0% Q2 2026 Aug 05, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 7,432 183 0.0% 0.0% 53 +4,645 166.67% Q2 2026 Aug 13, 2026
OSAIC HOLDINGS, INC. History No change 6,709 165 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 14, 2026
Spire Wealth Management History Reduced 6,257 154 0.0% 0.0% 55 -305 -4.65% Q2 2026 Jul 15, 2026
RHUMBLINE ADVISERS History Added to 5,518 136 0.0% 0.0% 56 +402 7.86% Q2 2026 Aug 11, 2026
Hughes Financial Services, LLC History No change 5,440 134 0.02% 0.02% 57 0 0.0% Q2 2026 Jul 20, 2026
WELLS FARGO & COMPANY/MN History Added to 5,302 130 0.0% 0.0% 58 +2,720 105.34% Q2 2026 Aug 14, 2026
DEUTSCHE BANK AG\ History Added to 5,201 128 0.0% 0.0% 59 +175 3.48% Q2 2026 Aug 07, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 3,484 86 0.0% 0.0% 60 0 0.0% Q2 2026 Jul 29, 2026
CITIGROUP INC History Added to 2,921 72 0.0% 0.0% 61 +2,601 812.81% Q2 2026 Aug 03, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 2,916 71 0.0% 0.0% 63 -441 -13.14% Q2 2026 Aug 14, 2026
JPMORGAN CHASE & CO History Added to 2,912 71 0.0% 0.0% 62 +37 1.29% Q2 2026 Aug 12, 2026
Cassaday & Co Wealth Management LLC History No change 2,730 67 0.0% 0.0% 64 0 0.0% Q2 2026 Aug 10, 2026
Vanguard Global Advisers, LLC History No change 2,563 63 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 13, 2026
Police & Firemen's Retirement System of New Jersey History No change 1,763 43 0.0% 0.0% 66 0 0.0% Q2 2026 Jul 23, 2026
Mirae Asset Global Investments Co., Ltd. History New 1,190 29 0.0% 67 +1,190 New Q2 2026 Jul 22, 2026
Steward Partners Investment Advisory, LLC History No change 1,050 25 0.0% 0.0% 68 0 0.0% Q2 2026 Aug 13, 2026
FMR LLC History Added to 953 23 0.0% 0.0% 69 +481 101.91% Q2 2026 Aug 13, 2026
ROYAL BANK OF CANADA History Added to 779 19 0.0% 0.0% 70 +229 41.64% Q2 2026 Aug 14, 2026
FIRST UNITED BANK & TRUST History No change 790 19 0.01% 0.01% 71 0 0.0% Q2 2026 Jul 20, 2026
Ameritas Investment Partners, Inc. History No change 718 17 0.0% 0.0% 72 0 0.0% Q2 2026 Aug 13, 2026
Tower Research Capital LLC (TRC) History Reduced 619 15 0.0% 0.0% 74 -475 -43.42% Q2 2026 Aug 11, 2026
Legal & General Group Plc History No change 636 15 0.0% 0.0% 73 0 0.0% Q2 2026 Aug 14, 2026
State of Alaska, Department of Revenue History No change 596 14 0.0% 0.0% 75 0 0.0% Q2 2026 Jul 20, 2026
TOTH FINANCIAL ADVISORY CORP History Added to 545 13 0.0% 0.0% 76 +3 0.55% Q2 2026 Jul 14, 2026
Rockefeller Capital Management L.P. History Added to 558 13 0.0% 0.0% 77 +2 0.36% Q2 2026 Aug 13, 2026
FEDERATED HERMES, INC. History Added to 482 11 0.0% 0.0% 78 +27 5.93% Q2 2026 Aug 12, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 170 4 0.0% 79 +144 553.85% Q2 2026 Aug 07, 2026
Arax Advisory Partners History Added to 138 3 0.0% 81 +135 4500.0% Q2 2026 Aug 10, 2026
GAMMA Investing LLC History Added to 124 3 0.0% 82 +95 327.59% Q2 2026 Jul 07, 2026
CWM, LLC History No change 173 3 0.0% 0.0% 80 0 0.0% Q1 2026 May 14, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 87 2 0.0% 0.0% 84 -294 -77.17% Q2 2026 Aug 24, 2026
Allworth Financial LP History Added to 121 2 0.0% 86 +106 706.67% Q2 2026 Aug 11, 2026
Sterling Capital Management LLC History Reduced 121 2 0.0% 0.0% 85 -102 -45.74% Q2 2026 Jul 28, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History No change 88 2 0.0% 0.0% 83 0 0.0% Q2 2026 Aug 13, 2026
SBI Securities Co., Ltd. History No change 83 2 0.0% 0.0% 87 0 0.0% Q2 2026 Jul 22, 2026
IFP Advisors, Inc History Added to 57 1 0.0% 88 +55 2750.0% Q2 2026 Jul 20, 2026
US BANCORP \DE\ History Closed out 0 0 0.0% -1,000 -100.0% Q2 2026 Aug 12, 2026
Farther Finance Advisors, LLC History Reduced 15 0 0.0% -79 -84.04% Q2 2026 Jul 17, 2026
ROTHSCHILD INVESTMENT LLC History Added to 24 0 +19 380.0% Q2 2026 Aug 06, 2026
EverSource Wealth Advisors, LLC History New 17 0 +17 New Q2 2026 Jul 24, 2026
Covestor Ltd History New 14 0 +14 New Q2 2026 Aug 07, 2026
MAI Capital Management History Closed out 0 0 -10 -100.0% Q2 2026 Aug 14, 2026
True Wealth Design, LLC History New 7 0 +7 New Q2 2026 Jul 16, 2026
Root Financial Partners, LLC History Closed out 0 0 -7 -100.0% Q2 2026 Jul 29, 2026
Basecamp Wealth Advisors LLC History Added to 18 0 +4 28.57% Q2 2026 Aug 14, 2026
Essential Partners LLC History Added to 7 0 +3 75.0% Q2 2026 Aug 10, 2026
Wealth Enhancement Trust Services, Inc. History New 3 0 +3 New Q2 2026 Jul 22, 2026
SJS Investment Consulting Inc. History New 1 0 +1 New Q2 2026 Jul 22, 2026