139 tracked 13F filers disclose a position in MPB as of the latest SEC 13F filings, a combined $340.4M 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 | BlackRock, Inc. | $48.2M | 1.5M | ▲+0.9% Added · +14K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $29.4M | 915K | →First observed position No prior filed position | 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 | $24.3M | 696K | ▲+26% Added · +142K sh | Q2 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $20.3M | 582K | ▲+15% Added · +78K sh | Q2 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 | Petiole USA ltd | $6.7M | 192K | ▼−1.1% Reduced · −2K sh | Q2 2026 | |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $5.4M | 167K | ▲+0.3% Added · +516 sh | Q1 2026 | |
| 13 | EMERALD MUTUAL FUND ADVISERS TRUST | $5.7M | 162K | —Held | Q2 2026 | |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLC | $5.1M | 159K | →First observed position No prior filed position | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $5.0M | 156K | ▲+5.6% Added · +8K sh | Q1 2026 | |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $5.0M | 156K | ▲+6.4% Added · +9K sh | Q1 2026 | |
| 17 | GOLDMAN SACHS GROUP INC | $4.8M | 151K | ▲+34% Added · +38K 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 | →First observed position No prior filed position | 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.
Last quarter, 9 funds opened a new position in MPB and 21 added to an existing one, while 8 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 | 68 funds | $142.6B |
| APPLE INCAAPL | 67 funds | $160.0B |
| ALPHABET INC-CL AGOOGL | 67 funds | $80.7B |
| AMAZON.COM INCAMZN | 66 funds | $101.2B |
| COSTCO WHOLESALE CORPCOST | 66 funds | $20.1B |
| NVIDIA CORPNVDA | 65 funds | $210.7B |
| ELI LILLY & COLLY | 65 funds | $41.3B |
| JPMORGAN CHASE & COJPM | 64 funds | $32.4B |
| CHEVRON CORPCVX | 64 funds | $16.0B |
| META PLATFORMS INC-CLASS AMETA | 63 funds | $60.7B |
| TESLA INCTSLA | 63 funds | $38.3B |
| VISA INC-CLASS A SHARESV | 63 funds | $33.2B |
Ranked by how many of MPB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| May 4, 2026 | De Soto Matthew G | Director | Buy (P) | 500 | $16K |
| May 4, 2026 | De Soto Matthew G | Director | Buy (P) | 500 | $16K |
| May 4, 2026 | De Soto Matthew G | Director | Buy (P) | 525 | $17K |
| Mar 31, 2026 | Abel Robert A | Director | Buy (P) | 15 | $482 |
| Mar 31, 2026 | Brumbaugh Kimberly J | Director | Buy (P) | 78 | $3K |
| Mar 31, 2026 | MOWERY THEODORE W | Director | Buy (P) | 62 | $2K |
Connected entities for MPB
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.
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.