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/MPB/capital-change-brief"
Use Arkolith's capital_change_brief for MPB. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $48.2M | 1.5M | ▲+0.9% Added · +14K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $29.4M | 915K | ▲New +915K sh | Q1 2026 | |
| 3 | ALLIANCEBERNSTEIN L.P. | $27.5M | 888K | ▲+54% Added · +312K sh | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $24.1M | 748K | ▲+12% Added · +80K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $17.8M | 554K | ▲+3.6% Added · +19K sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $16.2M | 504K | ▲+2.4% Added · +12K sh | Q1 2026 | |
| 7 | Fourthstone LLC | $11.8M | 367K | ▲+26% Added · +76K sh | Q1 2026 | |
| 8 | AMERICAN CENTURY COMPANIES INC | $9.7M | 302K | ▲+14% Added · +38K sh | Q1 2026 | |
| 9 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $8.8M | 272K | ▼−1.5% Reduced · −4K sh | Q1 2026 | |
| 10 | Rhino Investment Partners, Inc | $7.5M | 232K | ▲+166% Added · +145K sh | Q1 2026 | |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $5.4M | 167K | ▲+0.3% Added · +516 sh | Q1 2026 | |
| 12 | EMERALD MUTUAL FUND ADVISERS TRUST | $5.2M | 162K | ▲+5.2% Added · +8K sh | Q1 2026 | |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | $5.1M | 159K | ▲New +159K sh | Q1 2026 | |
| 14 | NORTHERN TRUST CORP | $5.0M | 156K | ▲+5.6% Added · +8K sh | Q1 2026 | |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $5.0M | 156K | ▲+6.4% Added · +9K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $4.8M | 151K | ▲+34% Added · +38K sh | Q1 2026 | |
| 17 | DEPRINCE RACE & ZOLLO INC | $4.4M | 137K | ▼−3.0% Reduced · −4K sh | Q1 2026 | |
| 18 | Russell Investments Group, Ltd. | $4.3M | 135K | ▲+7.6% Added · +10K sh | Q1 2026 | |
| 19 | PNC FINANCIAL SERVICES GROUP, INC. | $4.3M | 135K | ▲3k× Added · +135K sh | Q1 2026 | |
| 20 | VANGUARD FIDUCIARY TRUST CO | $4.3M | 133K | ▲New +133K sh | Q1 2026 | |
| 21 | FRANKLIN RESOURCES INC | $4.3M | 132K | ▲+0.9% Added · +1K sh | Q1 2026 | |
| 22 | KENNEDY CAPITAL MANAGEMENT LLC | $3.8M | 117K | ▲+2.4% Added · +3K sh | Q1 2026 | |
| 23 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $3.6M | 111K | ▼−0.9% Reduced · −1K sh | Q1 2026 | |
| 24 | GENDELL JEFFREY L | $3.5M | 108K | ▲New +108K sh | Q1 2026 | |
| 25 | Bank of New York Mellon Corp | $3.5M | 108K | ▲+0.7% Added · +787 sh | 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 1, 2026 | RITRIEVI RORY G | President and CEO, Director | Tax withholding (F) | 2K | $76K |
| Jun 30, 2026 | Abel Robert A | Director | Buy (P) | 15 | $523 |
| Jun 30, 2026 | MOWERY THEODORE W | Director | Buy (P) | 58 | $2K |
| Jun 30, 2026 | Frank Joel L. | Director | Buy (P) | 72 | $3K |
| Jun 30, 2026 | Brumbaugh Kimberly J | Director | Buy (P) | 72 | $3K |
| Jun 30, 2026 | De Soto Matthew G | Director | Buy (P) | 287 | $10K |
| Jun 30, 2026 | Evans Albert J. | Director | Buy (P) | 287 | $10K |
| Jun 1, 2026 | RITRIEVI RORY G | President and CEO, Director | Tax withholding (F) | 356 | $11K |
| May 15, 2026 | Stephon Kenneth John | Chief Corp Development Officer, Director | Other (J) | 11K | $0 |
| May 15, 2026 | Stephon Kenneth John | Chief Corp Development Officer, Director | Tax withholding (F) | 5K | $164K |
| May 4, 2026 | De Soto Matthew G | Director | Buy (P) | 500 | $16K |
| May 4, 2026 | De Soto Matthew G | Director | Buy (P) | 500 | $16K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 32 funds | $10.7B |
| APPLE INCAAPL | 31 funds | $13.2B |
| ALPHABET INC-CL AGOOGL | 31 funds | $6.2B |
| VISA INC-CLASS A SHARESV | 31 funds | $2.3B |
| WELLS FARGO & COWFC | 31 funds | $1.4B |
| NVIDIA CORPNVDA | 30 funds | $16.8B |
| AMAZON.COM INCAMZN | 30 funds | $7.3B |
| BROADCOM INCAVGO | 30 funds | $6.9B |
| META PLATFORMS INC-CLASS AMETA | 30 funds | $4.3B |
| JPMORGAN CHASE & COJPM | 30 funds | $3.0B |
| ELI LILLY & COLLY | 30 funds | $2.6B |
| SALESFORCE INCCRM | 30 funds | $1.9B |
Ranked by how many of MPB's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MPB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.