The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query MCHX owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MCHX"
Use Arkolith to show who owns MCHX, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $2.1M | 1.3M | —Held | Q4 2025 | |
| 2 | BlackRock, Inc. | $992K | 640K | ▲+0.8% Added · +5K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $628K | 405K | ▲+0.3% Added · +1K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $313K | 202K | ▲New +202K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $218K | 141K | ▲+4.5% Added · +6K sh | Q1 2026 | |
| 6 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $88K | 57K | —Held | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $26K | 17K | ▲Added Added · +17K 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 |
|---|---|---|---|---|---|
| Mar 20, 2026 | HARTLESS TROY | President & Chief Rev Officer | Option exercise (M) | 88K | $0 |
| Mar 20, 2026 | Nagle Brian | Chief Financial Officer | Option exercise (M) | 8K | — |
| Mar 20, 2026 | Nagle Brian | Chief Financial Officer | Option exercise (M) | 8K | $0 |
| Mar 20, 2026 | HARTLESS TROY | President & Chief Rev Officer | Option exercise (M) | 88K | — |
| Mar 20, 2026 | Feeney Francis J | Chief Operating Officer & CLO | Option exercise (M) | 63K | — |
| Mar 20, 2026 | Feeney Francis J | Chief Operating Officer & CLO | Option exercise (M) | 63K | $0 |
| Feb 17, 2026 | HARTLESS TROY | President & Chief Rev Officer | Grant (A) | 128K | $0 |
| Feb 17, 2026 | Nagle Brian | Chief Financial Officer | Grant (A) | 56K | $0 |
| Feb 17, 2026 | Feeney Francis J | Chief Operating Officer & CLO | Grant (A) | 96K | $0 |
| Dec 16, 2025 | CLINE DENNIS | Director | Grant (A) | 50K | $0 |
| Dec 16, 2025 | HOROWITZ RUSSELL C | Chairman, Director, 10% Owner | Grant (A) | 50K | $0 |
| Dec 16, 2025 | COGSVILLE DONALD | Director | Grant (A) | 50K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 32 funds | $72.0B |
| BANK OF AMERICA CORPBAC | 32 funds | $21.5B |
| PEPSICO INCPEP | 32 funds | $21.1B |
| MERCK & CO. INC.MRK | 32 funds | $19.7B |
| COMCAST CORP-CLASS ACMCSA | 32 funds | $18.0B |
| DELTA AIR LINES INCDAL | 32 funds | $6.9B |
| SYNCHRONY FINANCIALSYF | 32 funds | $4.6B |
| EBAY INCEBAY | 32 funds | $4.2B |
| UNITED AIRLINES HOLDINGS INCUAL | 32 funds | $3.7B |
| EXPEDIA GROUP INCEXPE | 32 funds | $2.7B |
| HCA HEALTHCARE INCHCA | 32 funds | $2.1B |
| VERISIGN INCVRSN | 32 funds | $1.8B |
Ranked by how many of MCHX'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 MCHX. 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.