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/MCO/capital-change-brief"
Use Arkolith's capital_change_brief for MCO. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC | $10.8B | 24.7M | —Held | Q1 2026 | |
| 2 | TCI Fund Management Ltd | $6.3B | 14.3M | ▲+7.7% Added · +1.0M sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $5.7B | 13.1M | ▼−6.4% Reduced · −902K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $4.3B | 9.9M | ▲New +9.9M sh | Q1 2026 | |
| 5 | STATE STREET CORP | $3.1B | 7.1M | ▲+0.1% Added · +5K sh | Q1 2026 | |
| 6 | FMR LLC | $2.2B | 5.0M | ▼−8.9% Reduced · −490K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $1.8B | 4.1M | ▲+2.9% Added · +116K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.7B | 3.9M | ▲New +3.9M sh | Q1 2026 | |
| 9 | Fiera Capital Corp | $1.0B | 2.4M | ▼−0.7% Reduced · −15K sh | Q1 2026 | |
| 10 | Bank of New York Mellon Corp | $1.0B | 2.3M | ▲+3.2% Added · +72K sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $1.0B | 2.3M | ▼−2.0% Reduced · −48K sh | Q1 2026 | |
| 12 | PineStone Asset Management Inc. | $1.0B | 2.3M | ▼−2.8% Reduced · −66K sh | Q2 2026 | |
| 13 | GOLDMAN SACHS GROUP INC | $941.0M | 2.2M | ▲+45% Added · +671K sh | Q1 2026 | |
| 14 | NORGES BANK | $1.1B | 2.1M | ▲+9.1% Added · +179K sh | Q4 2025 | |
| 15 | PRICE T ROWE ASSOCIATES INC /MD/ | $798.7M | 1.8M | ▲+6.7% Added · +114K sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $764.7M | 1.8M | ▲+4.0% Added · +68K sh | Q1 2026 | |
| 17 | Egerton Capital (UK) LLP | $674.3M | 1.5M | ▲+100% Added · +772K sh | Q1 2026 | |
| 18 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $605.1M | 1.4M | ▼−1.0% Reduced · −14K sh | Q1 2026 | |
| 19 | WINDACRE PARTNERSHIP LLC | $581.5M | 1.3M | ▲+19% Added · +214K sh | Q1 2026 | |
| 20 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $605.3M | 1.3M | ▲+1.3% Added · +17K sh | Q1 2026 | |
| 21 | AKRE CAPITAL MANAGEMENT LLC | $543.6M | 1.2M | ▼−28% Reduced · −489K sh | Q1 2026 | |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $500.2M | 1.1M | ▲+3.2% Added · +35K sh | Q1 2026 | |
| 23 | Rothschild & Co Wealth Management UK Ltd | $483.8M | 1.1M | ▼−0.7% Reduced · −8K sh | Q1 2026 | |
| 24 | PRINCIPAL FINANCIAL GROUP INC | $472.0M | 1.1M | ▲+73% Added · +455K sh | Q1 2026 | |
| 25 | Legal & General Group Plc | $455.8M | 1.0M | ▼−13% Reduced · −157K 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 | Kosmowski Christina | CEO, Moody's Analytics | Grant (A) | 22K | $0 |
| Jul 1, 2026 | Fauber Robert | President and CEO, Director | Sell (S) | 300 | $137K |
| Jul 1, 2026 | Fauber Robert | President and CEO, Director | Option exercise (M) | 592 | $67K |
| Jul 1, 2026 | Fauber Robert | President and CEO, Director | Option exercise (M) | 575 | $96K |
| Jul 1, 2026 | Fauber Robert | President and CEO, Director | Sell (S) | 1K | $532K |
| Jul 1, 2026 | Fauber Robert | President and CEO, Director | Option exercise (M) | 592 | $0 |
| Jul 1, 2026 | Fauber Robert | President and CEO, Director | Option exercise (M) | 575 | $0 |
| Jul 1, 2026 | Minaya Jose | Director | Grant (A) | 88 | $41K |
| Jul 1, 2026 | Steele Richard G | SVP - General Counsel | Sell (S) | 157 | $72K |
| Jun 5, 2026 | Minaya Jose | Director | Grant (A) | 4 | $2K |
| Jun 5, 2026 | Minaya Jose | Director | Grant (A) | 7 | $0 |
| Jun 5, 2026 | Esperdy Therese | Director | Grant (A) | 12 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 432 funds | $329.6B |
| AMAZON.COM INCAMZN | 428 funds | $256.4B |
| ALPHABET INC-CL AGOOGL | 426 funds | $239.3B |
| VISA INC-CLASS A SHARESV | 426 funds | $88.1B |
| APPLE INCAAPL | 421 funds | $396.6B |
| NVIDIA CORPNVDA | 417 funds | $449.1B |
| MASTERCARD INC - AMA | 416 funds | $71.0B |
| META PLATFORMS INC-CLASS AMETA | 414 funds | $135.9B |
| BROADCOM INCAVGO | 409 funds | $173.4B |
| JPMORGAN CHASE & COJPM | 407 funds | $81.8B |
| ALPHABET INC-CL CGOOG | 406 funds | $147.4B |
| ELI LILLY & COLLY | 403 funds | $87.0B |
Ranked by how many of MCO'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 MCO. 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.