92 tracked 13F filers disclose a position in MRBK as of the latest SEC 13F filings, a combined $129.1M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Fourthstone LLC | $22.3M | 1.2M | ▲+4.8% Added · +54K sh | Q1 2026 | |
| 2 | STRATEGIC VALUE BANK PARTNERS LLC | $8.4M | 651K | —Held | Q2 2025 | |
| 3 | BlackRock, Inc. | $10.6M | 559K | ▲+2.9% Added · +16K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $9.2M | 487K | →First observed position No prior filed position | Q1 2026 | |
| 5 | FIRST MANHATTAN CO. LLC. | $8.3M | 438K | —Held | Q1 2026 | |
| 6 | DIMENSIONAL FUND ADVISORS LP | $8.2M | 434K | ▲+9.8% Added · +39K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $5.6M | 280K | ▲+32% Added · +67K sh | Q2 2026 | |
| 8 | Ategra Capital Management, LLC | $4.5M | 239K | ▼−32% Reduced · −113K sh | Q1 2026 | |
| 9 | AMERICAN CENTURY COMPANIES INC | $3.7M | 193K | ▲+42% Added · +57K sh | Q1 2026 | |
| 10 | STATE STREET CORP | $3.7M | 186K | ▲+41% Added · +54K sh | Q2 2026 | |
| 11 | Nuveen, LLC | $3.2M | 169K | ▲+31% Added · +40K sh | Q1 2026 | |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $3.2M | 166K | ▼−7.0% Reduced · −13K sh | Q1 2026 | |
| 13 | Wick Capital Partners, LLC | $2.7M | 145K | —Held | Q1 2026 | |
| 14 | Connor, Clark & Lunn Investment Management Ltd. | $2.6M | 129K | ▼−6.2% Reduced · −9K sh | Q2 2026 | |
| 15 | TWO SIGMA INVESTMENTS, LP | $2.1M | 111K | ▲+10% Added · +10K sh | Q1 2026 | |
| 16 | Trexquant Investment LP | $1.7M | 89K | ▼−3.3% Reduced · −3K sh | Q1 2026 | |
| 17 | SEGALL BRYANT & HAMILL, LLC | $1.6M | 79K | ▼−0.1% Reduced · −105 sh | Q2 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $1.5M | 78K | ▲+23% Added · +15K sh | Q1 2026 | |
| 19 | Russell Investments Group, Ltd. | $1.3M | 67K | ▲+2.2% Added · +1K sh | Q1 2026 | |
| 20 | Meridian Wealth Partners, LLC | $1.3M | 67K | ▲~0% Added · +11 sh | Q2 2026 | |
| 21 | NORTHERN TRUST CORP | $1.3M | 67K | ▲+2.5% Added · +2K sh | Q1 2026 | |
| 22 | MARSHALL WACE, LLP | $1.3M | 67K | ▼−43% Reduced · −50K sh | Q1 2026 | |
| 23 | MORGAN STANLEY | $1.2M | 65K | ▲+140% Added · +38K sh | Q1 2026 | |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.2M | 63K | →First observed position No prior filed position | Q1 2026 | |
| 25 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.2M | 61K | —Held | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 11 funds opened a new position in MRBK and 13 added to an existing one, while 16 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 44 funds | $49.8B |
| ELI LILLY & COLLY | 44 funds | $12.6B |
| ALPHABET INC-CL AGOOGL | 43 funds | $32.4B |
| NVIDIA CORPNVDA | 42 funds | $73.9B |
| AMAZON.COM INCAMZN | 42 funds | $40.5B |
| META PLATFORMS INC-CLASS AMETA | 42 funds | $18.0B |
| JPMORGAN CHASE & COJPM | 42 funds | $11.3B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 42 funds | $7.6B |
| VISA INC-CLASS A SHARESV | 42 funds | $6.6B |
| COSTCO WHOLESALE CORPCOST | 41 funds | $10.6B |
| LOCKHEED MARTIN CORPLMT | 41 funds | $4.5B |
| APPLE INCAAPL | 40 funds | $55.8B |
Ranked by how many of MRBK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 13, 2026 | Imbesi Anthony Mark | Director | Buy (P) | 1K | $17K |
| May 11, 2026 | Warriner Kenneth Thomas | Director | Buy (P) | 1K | $18K |
| Apr 30, 2026 | Warriner Kenneth Thomas | Director | Buy (P) | 1K | $18K |
| Aug 27, 2025 | Imbesi Anthony Mark | Director | Buy (P) | 522 | $8K |
| May 19, 2025 | Holland Robert T. | Director | Buy (P) | 54 | $775 |
| May 19, 2025 | Holland Robert T. | Director | Buy (P) | 545 | $8K |
| May 19, 2025 | Holland Robert T. | Director | Buy (P) | 9 | $125 |
| May 9, 2025 | Casciato Robert M. | Director | Buy (P) | 2K | $25K |
| May 9, 2025 | Casciato Robert M. | Director | Buy (P) | 7 | $96 |
| May 9, 2025 | Casciato Robert M. | Director | Buy (P) | 200 | $3K |
| May 8, 2025 | Lindsay Denise | EVP, Chief Financial Officer, Director | Buy (P) | 111 | $2K |
| May 8, 2025 | Lindsay Denise | EVP, Chief Financial Officer, Director | Buy (P) | 389 | $5K |
Connected entities for MRBK
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MRBK/capital-change-brief"
Use Arkolith's capital_change_brief for MRBK. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MRBK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.