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 XCOR 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/XCOR"
Use Arkolith to show who owns XCOR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | One Capital Management, LLC | $48.2M | 629K | ▼−2.2% Reduced · −14K sh | Q1 2026 | |
| 2 | AlTi Global, Inc. | $560K | 7K | ▲+0.4% Added · +31 sh | Q1 2026 | |
| 3 | MAI Capital Management | $110K | 1K | —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 |
|---|---|---|
| ISHARES CORE S&P 500 ETFIVV | 3 funds | $1.3B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 3 funds | $1.0B |
| ISHARES MSCI EAFE ETFEFA | 3 funds | $654.5M |
| MICROSOFT CORPMSFT | 3 funds | $490.8M |
| ISHARES CORE S&P MIDCAP ETFIJH | 3 funds | $480.4M |
| ISHARES CORE S&P TOTAL U.S.ITOT | 3 funds | $431.2M |
| NVIDIA CORPNVDA | 3 funds | $408.4M |
| VANGUARD TOTAL STOCK MKT ETFVTI | 3 funds | $337.1M |
| ALPHABET INC-CL AGOOGL | 3 funds | $324.9M |
| VANGUARD FTSE DEVELOPED ETFVEA | 3 funds | $309.3M |
| INVESCO QQQ TRUST SERIES 1QQQ | 3 funds | $289.9M |
| EXXON MOBIL CORPXOM | 3 funds | $255.8M |
Ranked by how many of XCOR'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 XCOR. 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.