Holdings of great value investors: 13Fs, overseas stakes a 13F misses, 5% stakes, insider buys
Connect Remote server
claude mcp add --transport http moatshark https://www.moatshark.com/mcp
{
"mcpServers": {
"moatshark": {
"url": "https://www.moatshark.com/mcp"
}
}
}
{
"servers": {
"moatshark": {
"type": "http",
"url": "https://www.moatshark.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://www.moatshark.com/mcp
Tools 8 found in our last check
searchFind value investors (managers) and companies on moatshark by name, person or ticker. Returns slugs for get_manager and get_company, and results with ids for fetch.
get_managerEverything moatshark has on one value investor: its latest 13F (holdings, weights, change from the previous quarter), the overseas stakes a 13F never shows (from regulators in Japan, the UK, the Netherlands, France, Germany and Spain, with estimated values), its US funds' non-US…
get_companyWhich value investors hold a company, how their holdings changed, its directors' recent share purchases and sales (Form 4), and basic SEC company facts.
latest_filingsThe newest 13F filings from the managers on moatshark, with each one's biggest buys and sales.
quarter_roundupWhat the managers owned, bought and sold in one quarter (from 2013 Q1). Omit the quarter for the latest one being filed.
filing_forecastWhen the managers file their 13Fs: the deadline for the quarter being filed, who has filed so far, who is expected on each remaining day (from each manager's last eight quarters), and who is later than usual. Give a slug for one manager's habit and history.
fetchThe full record for one id from search (e.g. 'manager:berkshire-hathaway' or 'company:ko'), as text with its moatshark url.
insider_buyingOpen-market share purchases reported on Form 4 in the last 90 days: by the value investors themselves (as 10% owners) and by companies' own directors and officers.
Details
| Endpoint | https://www.moatshark.com/mcp (Streamable HTTP) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | io.github.sharkey1982/moatshark |
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