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/MRP/capital-change-brief"
Use Arkolith's capital_change_brief for MRP. 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. | $577.2M | 20.6M | ▲+3.3% Added · +660K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $415.8M | 14.8M | ▲New +14.8M sh | Q1 2026 | |
| 3 | Brave Warrior Advisors, LLC | $238.4M | 8.5M | ▼−1.0% Reduced · −84K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $194.0M | 6.9M | ▲New +6.9M sh | Q1 2026 | |
| 5 | FMR LLC | $182.8M | 6.5M | ▲+60% Added · +2.5M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $147.8M | 5.3M | ▲+3.9% Added · +199K sh | Q1 2026 | |
| 7 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $120.5M | 4.3M | ▼−3.8% Reduced · −171K sh | Q1 2026 | |
| 8 | Permian Investment Partners, LP | $108.6M | 3.9M | ▲+2.2% Added · +85K sh | Q1 2026 | |
| 9 | Cannell & Spears LLC | $103.0M | 3.7M | ▲+1.4% Added · +50K sh | Q1 2026 | |
| 10 | NORGES BANK | $101.8M | 3.4M | ▲+522% Added · +2.9M sh | Q4 2025 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $84.2M | 3.0M | ▲+3.3% Added · +97K sh | Q1 2026 | |
| 12 | TWO SIGMA INVESTMENTS, LP | $84.0M | 3.0M | ▲+61% Added · +1.1M sh | Q1 2026 | |
| 13 | MORGAN STANLEY | $73.6M | 2.6M | ▼−6.6% Reduced · −186K sh | Q1 2026 | |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $64.1M | 2.3M | ▲+3.8% Added · +84K sh | Q1 2026 | |
| 15 | CITADEL ADVISORS LLC | $58.5M | 2.1M | ▼−44% Reduced · −1.7M sh | Q1 2026 | |
| 16 | Gotham Asset Management, LLC | $43.8M | 1.6M | ▲+105% Added · +799K sh | Q1 2026 | |
| 17 | Nuveen, LLC | $43.5M | 1.6M | ▲+80% Added · +691K sh | Q1 2026 | |
| 18 | MANGROVE PARTNERS IM, LLC | $38.7M | 1.4M | —Held | Q1 2026 | |
| 19 | Bank of New York Mellon Corp | $35.7M | 1.3M | ▼−0.6% Reduced · −8K sh | Q1 2026 | |
| 20 | Pacer Advisors, Inc. | $34.4M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 21 | JPMORGAN CHASE & CO | $32.4M | 1.2M | ▲+255% Added · +853K sh | Q1 2026 | |
| 22 | LOS ANGELES CAPITAL MANAGEMENT LLC | $31.0M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 23 | NORTHERN TRUST CORP | $30.9M | 1.1M | ▼−7.0% Reduced · −83K sh | Q1 2026 | |
| 24 | PRINCIPAL FINANCIAL GROUP INC | $29.2M | 1.0M | ▼−46% Reduced · −885K sh | Q1 2026 | |
| 25 | VANGUARD FIDUCIARY TRUST CO | $26.9M | 959K | ▲New +959K 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 |
|---|---|---|---|---|---|
| May 18, 2026 | Gorson Matthew B. | Director | Buy (P) | 5K | $121K |
| May 13, 2026 | Lynch Kathleen B. | Director | Grant (A) | 6K | $0 |
| May 13, 2026 | Gorson Matthew B. | Director | Grant (A) | 6K | $0 |
| May 13, 2026 | MIGOYA CARLOS A. | Director | Grant (A) | 6K | $0 |
| May 13, 2026 | Presa Rachel | General Counsel and Secretary | Buy (P) | 307 | $8K |
| May 13, 2026 | Mincey Mary Alison | Director | Grant (A) | 6K | $0 |
| May 13, 2026 | BARTELS PATRICK J JR | Director | Grant (A) | 6K | $0 |
| May 12, 2026 | Nitkin Robert | Chief Operating Officer | Buy (P) | 2K | $49K |
| May 11, 2026 | Presa Rachel | General Counsel and Secretary | Buy (P) | 725 | $20K |
| May 11, 2026 | Richman Darren | See Remarks | Buy (P) | 40K | $1.1M |
| May 11, 2026 | Richman Darren | See Remarks | Buy (P) | 195K | $5.3M |
| Mar 5, 2026 | Gorson Matthew B. | Director | Buy (P) | 1K | $31K |
| Class | 13F holders | Value held |
|---|---|---|
| MRPthis pagecs | 315 funds | $3.6B |
| 601137AA0Corporate Bond - Domestic | 1 funds | $110K |
| 601137AB8Corporate Bond - Domestic | 1 funds | $74K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 144 funds | $61.4B |
| META PLATFORMS INC-CLASS AMETA | 143 funds | $27.9B |
| ELI LILLY & COLLY | 143 funds | $15.6B |
| ALPHABET INC-CL AGOOGL | 142 funds | $39.5B |
| BROADCOM INCAVGO | 142 funds | $30.9B |
| NVIDIA CORPNVDA | 141 funds | $90.9B |
| AMAZON.COM INCAMZN | 141 funds | $47.0B |
| MASTERCARD INC - AMA | 141 funds | $10.8B |
| ALPHABET INC-CL CGOOG | 140 funds | $28.7B |
| COSTCO WHOLESALE CORPCOST | 140 funds | $11.2B |
| LAM RESEARCH CORPLRCX | 140 funds | $6.8B |
| APPLE INCAAPL | 139 funds | $73.3B |
Ranked by how many of MRP'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 MRP. 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.