MainStreet Bancshares, Inc. - MNSB

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 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 No change 545,679 13,472 2.23% 2.23% 1 0 0.0% Q2 2026 Aug 13, 2026
BlackRock, Inc. History No change 404,037 9,975 0.0% 0.0% 2 0 0.0% Q2 2026 Aug 07, 2026
ALLIANCEBERNSTEIN L.P. History No change 418,393 9,288 0.0% 0.0% 3 0 0.0% Q2 2026 Aug 14, 2026
WELLINGTON MANAGEMENT GROUP LLP History No change 336,961 8,319 0.0% 0.0% 4 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History No change 262,466 6,480 0.0% 0.0% 5 0 0.0% Q2 2026 Aug 13, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 229,671 5,682 0.0% 0.0% 6 +24,657 12.03% Q3 2026 Nov 04, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 183,245 4,518 0.01% 0.01% 7 0 0.0% Q2 2026 Aug 13, 2026
FIRST MANHATTAN CO. LLC. History No change 161,731 3,993 0.01% 0.01% 8 0 0.0% Q2 2026 Aug 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 152,196 3,758 0.0% 0.0% 9 0 0.0% Q2 2026 Aug 12, 2026
MARSHALL WACE, LLP History No change 120,194 2,967 0.0% 0.0% 10 0 0.0% Q2 2026 Aug 13, 2026
STATE STREET CORP History No change 109,465 2,702 0.0% 0.0% 11 0 0.0% Q2 2026 Sep 22, 2026
AMERICAN CENTURY COMPANIES INC History No change 101,604 2,508 0.0% 0.0% 12 0 0.0% Q2 2026 Aug 12, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 66,551 1,643 0.03% 0.03% 13 0 0.0% Q2 2026 Aug 14, 2026
Cresset Asset Management, LLC History No change 59,040 1,457 0.01% 0.01% 14 0 0.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History No change 58,344 1,440 0.0% 0.0% 15 0 0.0% Q2 2026 Sep 02, 2026
NORTHERN TRUST CORP History No change 48,150 1,188 0.0% 0.0% 16 0 0.0% Q2 2026 Aug 13, 2026
Fourthstone LLC History No change 47,432 1,185 0.84% 0.84% 17 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 42,813 1,057 0.0% 0.0% 18 0 0.0% Q2 2026 Aug 13, 2026
Trexquant Investment LP History No change 39,525 975 0.01% 0.01% 19 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD FIDUCIARY TRUST CO History No change 39,018 963 0.0% 0.0% 20 0 0.0% Q2 2026 Aug 13, 2026
Squarepoint Ops LLC History No change 37,233 919 0.0% 0.0% 21 0 0.0% Q2 2026 Aug 14, 2026
Empowered Funds, LLC History No change 37,171 917 0.0% 0.0% 22 0 0.0% Q2 2026 Aug 14, 2026
STRS OHIO History Added to 34,200 846 0.0% 0.0% 23 +8,100 31.03% Q3 2026 Oct 30, 2026
UBS Group AG History No change 33,102 817 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 13, 2026
Connor, Clark & Lunn Investment Management Ltd. History No change 30,385 750 0.0% 0.0% 25 0 0.0% Q2 2026 Aug 12, 2026
AQR CAPITAL MANAGEMENT LLC History No change 29,408 726 0.0% 0.0% 26 0 0.0% Q2 2026 Aug 14, 2026
MORGAN STANLEY History No change 24,316 600 0.0% 0.0% 27 0 0.0% Q2 2026 Aug 13, 2026
HRT FINANCIAL LP History No change 24,284 599 0.0% 0.0% 28 0 0.0% Q2 2026 Aug 14, 2026
StoneX Group Inc. History New 23,940 592 0.02% — 29 +23,940 New Q3 2026 Nov 03, 2026
MENDON CAPITAL ADVISORS CORP History No change 23,370 577 0.2% 0.2% 30 0 0.0% Q2 2026 Aug 11, 2026
GSA CAPITAL PARTNERS LLP History No change 23,242 574 0.04% 0.04% 31 0 0.0% Q2 2026 Aug 06, 2026
Creative Planning History Added to 23,173 573 0.0% 0.0% 32 +380 1.67% Q3 2026 Nov 02, 2026
R Squared Ltd History No change 20,799 513 0.27% 0.27% 33 0 0.0% Q2 2026 Aug 05, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 19,444 480 0.0% 0.0% 34 0 0.0% Q2 2026 Aug 14, 2026
Daytona Street Capital LLC History No change 18,000 453 0.32% 0.32% 35 0 0.0% Q3 2026 Oct 15, 2026
Nuveen, LLC History No change 17,867 441 0.0% 0.0% 36 0 0.0% Q2 2026 Aug 11, 2026
Bank of New York Mellon Corp History No change 17,416 430 0.0% 0.0% 37 0 0.0% Q2 2026 Aug 06, 2026
TWO SIGMA INVESTMENTS, LP History No change 16,699 412 0.0% 0.0% 38 0 0.0% Q2 2026 Aug 14, 2026
BARCLAYS PLC History No change 15,862 391 0.0% 0.0% 39 0 0.0% Q2 2026 Aug 14, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History No change 14,401 355 0.0% 0.0% 40 0 0.0% Q2 2026 Aug 13, 2026
XTX Topco Ltd History No change 13,868 342 0.0% 0.0% 41 0 0.0% Q2 2026 Aug 14, 2026
HighTower Advisors, LLC History No change 13,495 333 0.0% 0.0% 42 0 0.0% Q2 2026 Aug 05, 2026
Atlantic Union Bankshares Corp History No change 12,600 311 0.01% 0.01% 43 0 0.0% Q2 2026 Aug 11, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 11,000 271 0.0% 0.0% 44 0 0.0% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History No change 10,628 262 0.0% 0.0% 45 0 0.0% Q2 2026 Aug 14, 2026
Point72 Asset Management, L.P. History No change 10,488 258 0.0% 0.0% 46 0 0.0% Q2 2026 Aug 14, 2026
ELCO Management Co., LLC History No change 10,221 252 0.12% 0.11% 47 0 0.0% Q3 2026 Oct 14, 2026
SEI INVESTMENTS CO History No change 9,915 244 0.0% 0.0% 48 0 0.0% Q2 2026 Aug 14, 2026
Russell Investments Group, Ltd. History No change 9,843 242 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 06, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History No change 9,732 240 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 13, 2026
Quadrature Capital Ltd History No change 9,707 239 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 06, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History No change 8,970 221 0.01% 0.01% 52 0 0.0% Q2 2026 Aug 13, 2026
CALDWELL SUTTER CAPITAL, INC. History No change 8,818 217 0.08% 0.08% 53 0 0.0% Q2 2026 Aug 05, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 7,432 183 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 13, 2026
TOTH FINANCIAL ADVISORY CORP History Added to 7,109 175 0.02% 0.0% 55 +6,564 1204.4% Q3 2026 Oct 08, 2026
OSAIC HOLDINGS, INC. History No change 6,709 165 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 14, 2026
Spire Wealth Management History No change 6,257 154 0.0% 0.0% 57 0 0.0% Q3 2026 Oct 30, 2026
RHUMBLINE ADVISERS History No change 5,518 136 0.0% 0.0% 58 0 0.0% Q2 2026 Aug 11, 2026
WELLS FARGO & COMPANY/MN History No change 5,302 130 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 14, 2026
DEUTSCHE BANK AG\ History No change 5,201 128 0.0% 0.0% 60 0 0.0% Q2 2026 Aug 07, 2026
Hughes Financial Services, LLC History No change 5,440 116 0.01% 0.02% 61 0 0.0% Q3 2026 Oct 30, 2026
CITIGROUP INC History Added to 3,995 98 0.0% 0.0% 62 +1,074 36.77% Q3 2026 Nov 04, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 3,484 86 0.0% 0.0% 63 0 0.0% Q2 2026 Jul 29, 2026
JPMORGAN CHASE & CO History No change 2,912 71 0.0% 0.0% 64 0 0.0% Q2 2026 Aug 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History No change 2,916 71 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 14, 2026
Cassaday & Co Wealth Management LLC History No change 2,730 67 0.0% 0.0% 66 0 0.0% Q3 2026 Oct 27, 2026
Vanguard Global Advisers, LLC History No change 2,563 63 0.0% 0.0% 67 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% 68 0 0.0% Q2 2026 Jul 23, 2026
Mirae Asset Global Investments Co., Ltd. History No change 1,190 29 0.0% 0.0% 69 0 0.0% Q3 2026 Oct 28, 2026
Steward Partners Investment Advisory, LLC History No change 1,050 25 0.0% 0.0% 70 0 0.0% Q2 2026 Aug 13, 2026
FMR LLC History No change 953 23 0.0% 0.0% 71 0 0.0% Q2 2026 Aug 13, 2026
ROYAL BANK OF CANADA History No change 779 19 0.0% 0.0% 72 0 0.0% Q2 2026 Aug 14, 2026
FIRST UNITED BANK & TRUST History No change 790 19 0.01% 0.01% 73 0 0.0% Q3 2026 Oct 22, 2026
Ameritas Investment Partners, Inc. History No change 718 17 0.0% 0.0% 74 0 0.0% Q2 2026 Aug 13, 2026
Legal & General Group Plc History No change 636 15 0.0% 0.0% 75 0 0.0% Q2 2026 Aug 14, 2026
Tower Research Capital LLC (TRC) History No change 619 15 0.0% 0.0% 76 0 0.0% Q2 2026 Aug 11, 2026
State of Alaska, Department of Revenue History No change 596 14 0.0% 0.0% 77 0 0.0% Q3 2026 Oct 15, 2026
Rockefeller Capital Management L.P. History No change 558 13 0.0% 0.0% 78 0 0.0% Q2 2026 Aug 13, 2026
GAMMA Investing LLC History Added to 501 12 0.0% 0.0% 79 +377 304.03% Q3 2026 Oct 08, 2026
FEDERATED HERMES, INC. History No change 482 11 0.0% 0.0% 80 0 0.0% Q2 2026 Aug 12, 2026
Parkside Financial Bank & Trust History New 291 7 0.0% — 81 +291 New Q3 2026 Oct 27, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 170 4 0.0% 0.0% 82 0 0.0% Q2 2026 Aug 07, 2026
Arax Advisory Partners History No change 138 3 0.0% 0.0% 83 0 0.0% Q2 2026 Aug 10, 2026
IFP Advisors, Inc History Added to 96 2 0.0% 0.0% 88 +39 68.42% Q3 2026 Oct 16, 2026
Sterling Capital Management LLC History Reduced 117 2 0.0% 0.0% 86 -4 -3.31% Q3 2026 Oct 22, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History No change 88 2 0.0% 0.0% 84 0 0.0% Q2 2026 Aug 13, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 87 2 0.0% 0.0% 85 0 0.0% Q2 2026 Aug 24, 2026
Allworth Financial LP History No change 121 2 0.0% 0.0% 87 0 0.0% Q2 2026 Aug 11, 2026
SBI Securities Co., Ltd. History No change 83 2 0.0% 0.0% 89 0 0.0% Q3 2026 Oct 21, 2026
Farther Finance Advisors, LLC History Added to 51 1 0.0% — 91 +36 240.0% Q3 2026 Oct 08, 2026
Covestor Ltd History Added to 39 1 0.0% — 90 +25 178.57% Q3 2026 Oct 30, 2026
SJS Investment Consulting Inc. History Added to 36 0 — — — +35 3500.0% Q3 2026 Oct 26, 2026
Root Financial Partners, LLC History New 24 0 — — — +24 New Q3 2026 Oct 21, 2026
EverSource Wealth Advisors, LLC History Added to 38 0 — — — +21 123.53% Q3 2026 Nov 04, 2026
Essential Partners LLC History Added to 24 0 — — — +17 242.86% Q3 2026 Oct 14, 2026
True Wealth Design, LLC History Added to 20 0 — — — +13 185.71% Q3 2026 Oct 13, 2026
GK Wealth Management LLC History New 6 0 — — — +6 New Q3 2026 Oct 09, 2026
Wealth Enhancement Trust Services, Inc. History Closed out 0 0 — — — -3 -100.0% Q3 2026 Oct 07, 2026
Provenance Wealth Advisors, LLC History New 1 0 — — — +1 New Q3 2026 Oct 30, 2026
ROTHSCHILD INVESTMENT LLC History No change 24 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
Basecamp Wealth Advisors LLC History No change 18 0 — — — 0 0.0% Q2 2026 Aug 14, 2026