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 MCH 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/MCH"
Use Arkolith to show who owns MCH, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | OLD MISSION CAPITAL LLC | $3.1M | 117K | ▲+31% Added · +27K sh | Q1 2026 | |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $721K | 27K | ▼−4.5% Reduced · −1K sh | Q1 2026 | |
| 3 | Chicago Partners Investment Group LLC | $543K | 19K | —Held | Q1 2026 | |
| 4 | Kestra Advisory Services, LLC | $428K | 16K | ▼−2.5% Reduced · −421 sh | Q1 2026 | |
| 5 | CITADEL ADVISORS LLC | $390K | 15K | ▲New +15K sh | Q1 2026 | |
| 6 | JANE STREET GROUP, LLC | $236K | 9K | ▼−66% Reduced · −17K sh | Q1 2026 | |
| 7 | UBS Group AG | $193K | 7K | —Held | Q1 2026 | |
| 8 | Farther Finance Advisors, LLC | $67K | 3K | —Held | Q1 2026 | |
| 9 | Rockefeller Capital Management L.P. | $39K | 2K | —Held | Q1 2026 | |
| 10 | OSAIC HOLDINGS, INC. | $5K | 200 | ▼−60% Reduced · −300 sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $43 | 1 | —Held | 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 4 funds | $5.5B |
| APPLE INCAAPL | 4 funds | $4.0B |
| ISHARES CORE S&P 500 ETFIVV | 4 funds | $3.9B |
| AMAZON.COM INCAMZN | 4 funds | $3.4B |
| MICROSOFT CORPMSFT | 4 funds | $3.3B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 4 funds | $2.6B |
| ALPHABET INC-CL AGOOGL | 4 funds | $2.4B |
| BROADCOM INCAVGO | 4 funds | $2.2B |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $1.9B |
| MICRON TECHNOLOGY INCMU | 4 funds | $1.7B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $1.7B |
| JPMORGAN CHASE & COJPM | 4 funds | $1.7B |
Ranked by how many of MCH's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MCH. 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.