Institutional HoldersBeta
Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.
Share classes (cover page of the 10-Q filed 2026-08-07, as of 2026-08-06)
| Class | Listed | Shares outstanding | Held by 13F filers | % of class | Holders | CUSIP |
|---|---|---|---|---|---|---|
| Common stock | MRBK · NASDAQ | 11,929,048 | 7,757,229 | 65.0% | 102 | 58958P104 |
Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.
Top holders (102 of 102 · 58958P104)
change vs 2026-03-31| # | Filer | Shares | % of class | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 690,544 | 5.79% | $13.8M | +132,012 (+23.6%) |
| 2 | STRATEGIC VALUE BANK PARTNERS LLC | 651,298 | 5.46% | $13.0M | — |
| 3 | Fourthstone LLC | 538,390 | 4.51% | $10.8M | -636,911 (-54.2%) |
| 4 | DIMENSIONAL FUND ADVISORS LP | 497,805 | 4.17% | $10.0M | +63,803 (+14.7%) |
| 5 | FIRST MANHATTAN CO. LLC. | 437,696 | 3.67% | $8.8M | — |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 434,281 | 3.64% | $8.7M | -52,561 (-10.8%) |
| 7 | BANC FUNDS CO LLC | 382,533 | 3.21% | $7.7M | +13,200 (+3.6%) |
| 8 | ACADIAN ASSET MANAGEMENT LLC | 313,468 | 2.63% | $6.3M | +62,531 (+24.9%) |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 280,264 | 2.35% | $5.6M | +67,202 (+31.5%) |
| 10 | AMERICAN CENTURY COMPANIES INC | 258,339 | 2.17% | $5.2M | +65,657 (+34.1%) |
| 11 | Qube Research & Technologies Ltd | 217,353 | 1.82% | $4.4M | +164,682 (+312.7%) |
| 12 | TWO SIGMA INVESTMENTS, LP | 191,059 | 1.60% | $3.8M | +80,110 (+72.2%) |
| 13 | STATE STREET CORP | 186,047 | 1.56% | $3.7M | +53,867 (+40.8%) |
| 14 | Nuveen, LLC | 179,173 | 1.50% | $3.6M | +10,310 (+6.1%) |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 176,606 | 1.48% | $3.5M | +10,167 (+6.1%) |
| 16 | Wick Capital Partners, LLC | 144,516 | 1.21% | $2.9M | — |
| 17 | Connor, Clark & Lunn Investment Management Ltd. | 129,471 | 1.09% | $2.6M | -8,560 (-6.2%) |
| 18 | Trexquant Investment LP | 99,196 | 0.83% | $2.0M | +9,729 (+10.9%) |
| 19 | MARSHALL WACE, LLP | 87,067 | 0.73% | $1.7M | +20,529 (+30.9%) |
| 20 | JACOBS LEVY EQUITY MANAGEMENT, INC | 86,641 | 0.73% | $1.7M | NEW |
| 21 | MORGAN STANLEY | 85,558 | 0.72% | $1.7M | +20,510 (+31.5%) |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | 85,196 | 0.71% | $1.7M | +22,530 (+36.0%) |
| 23 | AQR CAPITAL MANAGEMENT LLC | 81,640 | 0.68% | $1.6M | +38,969 (+91.3%) |
| 24 | GOLDMAN SACHS GROUP INC | 81,067 | 0.68% | $1.6M | +2,632 (+3.4%) |
| 25 | SEGALL BRYANT & HAMILL, LLC | 79,285 | 0.66% | $1.6M | -105 (-0.1%) |
| 26 | NORTHERN TRUST CORP | 75,804 | 0.64% | $1.5M | +9,255 (+13.9%) |
| 27 | LSV ASSET MANAGEMENT | 67,256 | 0.56% | $1.3M | — |
| 28 | Meridian Wealth Partners, LLC | 66,850 | 0.56% | $1.3M | +11 (+0.0%) |
| 29 | Squarepoint Ops LLC | 64,257 | 0.54% | $1.3M | +32,739 (+103.9%) |
| 30 | VANGUARD FIDUCIARY TRUST CO | 63,547 | 0.53% | $1.3M | +3,674 (+6.1%) |
| 31 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 61,203 | 0.51% | $1.2M | — |
| 32 | Key Financial Inc | 59,366 | 0.50% | $1.2M | — |
| 33 | SummerHaven Investment Management, LLC | 54,421 | 0.46% | $1.1M | — |
| 34 | Russell Investments Group, Ltd. | 52,447 | 0.44% | $1.1M | -14,933 (-22.2%) |
| 35 | AMERIPRISE FINANCIAL INC | 47,294 | 0.40% | $947K | NEW |
| 36 | Bank of New York Mellon Corp | 42,699 | 0.36% | $855K | +3,726 (+9.6%) |
| 37 | MILLENNIUM MANAGEMENT LLC | 40,428 | 0.34% | $810K | +16,723 (+70.5%) |
| 38 | BARCLAYS PLC | 36,549 | 0.31% | $732K | -292 (-0.8%) |
| 39 | CITADEL ADVISORS LLC | 34,176 | 0.29% | $685K | +14,995 (+78.2%) |
| 40 | XTX Topco Ltd | 34,105 | 0.29% | $683K | NEW |
| 41 | HRT FINANCIAL LP | 34,042 | 0.29% | $681K | NEW |
| 42 | Ancora Advisors LLC | 32,960 | 0.28% | $660K | -19,030 (-36.6%) |
| 43 | Quadrature Capital Ltd | 32,568 | 0.27% | $652K | NEW |
| 44 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 27,600 | 0.23% | $553K | +3,881 (+16.4%) |
| 45 | JPMORGAN CHASE & CO | 26,335 | 0.22% | $528K | +22,467 (+580.8%) |
| 46 | MENDON CAPITAL ADVISORS CORP | 26,216 | 0.22% | $525K | -506 (-1.9%) |
| 47 | HSBC HOLDINGS PLC | 25,609 | 0.21% | $515K | +3,718 (+17.0%) |
| 48 | Traynor Capital Management, Inc. | 25,000 | 0.21% | $501K | — |
| 49 | Man Group plc | 23,247 | 0.19% | $466K | +4,125 (+21.6%) |
| 50 | Jump Financial, LLC | 22,281 | 0.19% | $446K | -219 (-1.0%) |
| 51 | Invesco Ltd. | 17,526 | 0.15% | $351K | +2,089 (+13.5%) |
| 52 | Point72 Asset Management, L.P. | 16,951 | 0.14% | $340K | -208 (-1.2%) |
| 53 | ALGERT GLOBAL LLC | 15,413 | 0.13% | $309K | -39,937 (-72.2%) |
| 54 | OCCUDO QUANTITATIVE STRATEGIES LP | 14,670 | 0.12% | $294K | -4,809 (-24.7%) |
| 55 | Borer Denton & Associates, Inc. | 13,629 | 0.11% | $273K | NEW |
| 56 | UBS Group AG | 13,319 | 0.11% | $267K | +5,482 (+70.0%) |
| 57 | BANK OF AMERICA CORP /DE/ | 13,090 | 0.11% | $262K | NEW |
| 58 | STATE OF WISCONSIN INVESTMENT BOARD | 12,954 | 0.11% | $259K | +429 (+3.4%) |
| 59 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 12,730 | 0.11% | $255K | NEW |
| 60 | RHUMBLINE ADVISERS | 11,996 | 0.10% | $240K | +436 (+3.8%) |
| 61 | MARTINGALE ASSET MANAGEMENT L P | 11,812 | 0.10% | $237K | +170 (+1.5%) |
| 62 | Brevan Howard Capital Management LP | 11,769 | 0.10% | $236K | NEW |
| 63 | ELCO Management Co., LLC | 11,216 | 0.09% | $225K | -506 (-4.3%) |
| 64 | Schonfeld Strategic Advisors LLC | 11,011 | 0.09% | $221K | NEW |
| 65 | GREAT VALLEY ADVISOR GROUP, INC. | 10,039 | 0.08% | $201K | NEW |
| 66 | Strid Group, LLC | 10,000 | 0.08% | $200K | — |
| 67 | DEUTSCHE BANK AG\ | 9,497 | 0.08% | $190K | +2,371 (+33.3%) |
| 68 | WELLS FARGO & COMPANY/MN | 9,471 | 0.08% | $190K | +5,426 (+134.1%) |
| 69 | PNC Financial Services Group, Inc. | 8,096 | 0.07% | $162K | +4,637 (+134.1%) |
| 70 | ROYAL BANK OF CANADA | 6,663 | 0.06% | $133K | +1,475 (+28.4%) |
| 71 | MetLife Investment Management, LLC | 5,580 | 0.05% | $112K | — |
| 72 | LOS ANGELES CAPITAL MANAGEMENT LLC | 4,555 | 0.04% | $91K | -22,743 (-83.3%) |
| 73 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 4,482 | 0.04% | $90K | -15 (-0.3%) |
| 74 | CITIGROUP INC | 4,475 | 0.04% | $90K | +4,035 (+917.0%) |
| 75 | Vanguard Global Advisers, LLC | 4,317 | 0.04% | $86K | -3,703 (-46.2%) |
| 76 | NEW YORK STATE COMMON RETIREMENT FUND | 3,600 | 0.03% | $72K | — |
| 77 | BNP PARIBAS FINANCIAL MARKETS | 3,326 | 0.03% | $67K | +1,342 (+67.6%) |
| 78 | STRS OHIO | 3,200 | 0.03% | $64K | +600 (+23.1%) |
| 79 | BESSEMER GROUP INC | 2,126 | 0.02% | $43K | — |
| 80 | Police & Firemen's Retirement System of New Jersey | 2,114 | 0.02% | $42K | — |
| 81 | State of Alaska, Department of Revenue | 1,173 | 0.01% | $23K | — |
| 82 | Legal & General Group Plc | 1,064 | 0.01% | $21K | +249 (+30.6%) |
| 83 | Ameritas Investment Partners, Inc. | 926 | 0.01% | $19K | — |
| 84 | Tower Research Capital LLC (TRC) | 782 | 0.01% | $16K | -584 (-42.8%) |
| 85 | FMR LLC | 653 | 0.01% | $13K | +90 (+16.0%) |
| 86 | Arax Advisory Partners | 482 | 0.00% | $10K | +434 (+904.2%) |
| 87 | ASSETMARK, INC | 395 | 0.00% | $8K | — |
| 88 | GAMMA Investing LLC | 297 | 0.00% | $6K | +101 (+51.5%) |
| 89 | Sterling Capital Management LLC | 196 | 0.00% | $4K | -66 (-25.2%) |
| 90 | Allworth Financial LP | 181 | 0.00% | $4K | +43 (+31.2%) |
| 91 | IFP Advisors, Inc | 140 | 0.00% | $3K | +50 (+55.6%) |
| 92 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 130 | 0.00% | $3K | -370 (-74.0%) |
| 93 | FEDERATED HERMES, INC. | 116 | 0.00% | $2K | +70 (+152.2%) |
| 94 | Farther Finance Advisors, LLC | 105 | 0.00% | $2K | NEW |
| 95 | EverSource Wealth Advisors, LLC | 81 | 0.00% | $2K | NEW |
| 96 | ROTHSCHILD INVESTMENT LLC | 63 | 0.00% | $1K | NEW |
| 97 | Covestor Ltd | 14 | 0.00% | $0 | -17 (-54.8%) |
| 98 | Essential Partners LLC | 12 | 0.00% | $240 | NEW |
| 99 | True Wealth Design, LLC | 12 | 0.00% | $241 | -3 (-20.0%) |
| 100 | SJS Investment Consulting Inc. | 10 | 0.00% | $201 | +2 (+25.0%) |
| 101 | Basecamp Wealth Advisors LLC | 10 | 0.00% | $200 | -6 (-37.5%) |
| 102 | Fortitude Family Office, LLC | 7 | 0.00% | $140 | NEW |
Exited since 2026-03-31 (7 filers; largest 7 shown)
| Ategra Capital Management, LLC | −239,210 |
| PRUDENTIAL FINANCIAL INC | −26,100 |
| RENAISSANCE TECHNOLOGIES LLC | −18,400 |
| Hillsdale Investment Management Inc. | −18,200 |
| Engineers Gate Manager LP | −18,121 |
| CWM, LLC | −1,953 |
| MAI Capital Management | −56 |
Large holders from 13D/13G (latest per reporting person, last 2 years)
Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.
| Reporting person | Form | Filed | Event | Shares | % of class |
|---|---|---|---|---|---|
| Fourthstone Small-Cap Financials Fund LP | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 0 | 0% |
| Fourthstone QP Opportunity Fund LP | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 116,325 | 0.98% |
| Fourthstone Master Opportunity Fund Ltd | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 422,065 | 3.55% |
| L. Phillip Stone, IV | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 538,390 | 4.53% |
| Fourthstone LLC | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 538,390 | 4.53% |
| Fourthstone GP LLC | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 116,325 | 0.98% |
| BlackRock, Inc. | SCHEDULE 13G | 2026-07-29 | 2026-06-30 | 630,139 | 5.3% |
| The Vanguard Group | SCHEDULE 13G/A | 2026-03-27 | 2026-03-13 | 0 | 0% |
| Ategra GP, LLC | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 406,940 | 3.6% |
| Ategra Capital Management, LLC | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 406,940 | 3.6% |
| Jacques Rebibo | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 461,140 | 4.1% |
| Jonathan Holtaway | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 406,940 | 3.6% |
| Ategra Community Financial Institution Fund, LP | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 406,940 | 3.6% |
| ATEGRA COMMUNITY FINANCIAL INSTITUTION FUND, L.P. | SCHEDULE 13G/A | 2025-08-14 | 2025-06-30 | 616,129 | 5.5% |
Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.