ko.io — The Clean Record of Who Owns What: SEC 13F, Insider
ko.io
The clean record of who owns what: 5.9M+ SEC filings parsed, 13F holdings reconciled against filing totals with unit errors corrected, insider trades since 2006. For investors and AI agents via Terminal, REST API and MCP.
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Last probed Nov 3, 2026 · mcp.ko.io
30tools discovered
For AI agents — MCPBundles Directory API
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MCP connect URL: https://mcp.ko.io/mcp
Skill page: https://www.mcpbundles.com/skills/mcp-server-mcp-e23647c8b0
Explore capabilities (30)
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Get19
Sec3
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Other capabilities1
Get Institution Holdings
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get_institution_holdings
Get current stock holdings of an institutional investor (hedge fund, mutual fund, pension fund) from their latest SEC 13F filing. Returns top positions with share counts, values, and quarter-over-quarter changes. Every answer states its grain: ENTITY (a CIK that belongs to a manager family is answered for the whole family by default -- pass entity='filer' for that one filer's own 13F) and SECURITY (the default portfolio merges an issuer's share classes into one row, e.g. GOOG+GOOGL, and lists th
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Get Institution Holdings — Get current stock holdings of an institutional investor (hedge fund, mutual fund, pension fund) from their latest SEC 13F filing. Returns top positions with share counts, values, and quarter-over-quarter changes. Every answer states its grain: ENTITY (a CIK that belongs to a manager family is answered for the whole family by default -- pass entity='filer' for that one filer's own 13F) and SECURITY (the default portfolio merges an issuer's share classes into one row, e.g. GOOG+GOOGL, and lists th
List Institutions — List top institutional investors (hedge funds, mutual funds, etc.) tracked in the SEC 13F database. Supports search by name and pagination.
Get Stock Profile — Get a company's profile — sector, market cap, price, P/E ratio, 52-week range, beta, dividend yield, and other key financials.
Get Stock Holders — Get top institutional holders of a stock from SEC 13F filings. Shows which hedge funds, mutual funds, and pension funds own the most shares, with quarter-over-quarter changes.
Get Stock Activity — Get institutional buying/selling activity trend for a stock over multiple quarters. Shows how many institutions are buying vs selling, net share changes, and value flows — useful for detecting accumulation or distribution patterns. Plan limits: Free/keyless access covers the latest 13F quarter only; the multi-quarter trend requires Pro. Omit `quarters` to get the most your plan allows. structuredContent carries the exact net shares/values. Each quarter carries ko.io's comparability state (compar
Get Stock Price — Get historical daily stock prices (OHLC). Returns a summary by default; set series=true to get the full daily price series (for backtesting / charting).
Get Insider Trades — Get insider (SEC Form 4) transactions for one company. Two grains, and the answer says which: (1) with `executive_cik` -> one row per Form 4 transaction line, with its SEC code (P open-market or private purchase, S open-market or private sale, M/X/C option or RSU exercise/conversion, A grant/award, F shares withheld for tax, G gift, ...), shares, price and value; (2) without it -> one row per insider per trade date that AGGREGATES all that day's lines, split into code P/S purchases/sales (open m
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What is the ko.io — The Clean Record of Who Owns What: SEC 13F, Insider MCP server?
The clean record of who owns what: 5.9M+ SEC filings parsed, 13F holdings reconciled against filing totals with unit errors corrected, insider trades since 2006. For investors and AI agents via Terminal, REST API and MCP.
How do I connect ko.io — The Clean Record of Who Owns What: SEC 13F, Insider to my AI agent?
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
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Other MCP servers in this category from the directory index
List Insider Traders — List executives/insiders who have recently traded their company stock. Filter by role (CEO only or all executives). Useful for finding notable insider buying/selling activity across the market.
Get Congress Trades — Search individual stock trades disclosed by U.S. Congress members (House and Senate) under the STOCK Act. Returns a markdown table of transactions: member name, chamber, ticker, buy/sell type, transaction date, disclosure date (the gap between the two reveals reporting delay), dollar amount range, and owner (self/spouse/joint). Use for questions like 'What did Nancy Pelosi trade recently?', 'Which members bought NVDA?', or 'Show the largest Senate trades this quarter'. Filter by chamber, ticker,
Get Congress Member — Get detailed trading history of a specific U.S. Congress member. Shows individual trades with transaction types, amounts, and disclosure dates.
Search — Search across institutions, stocks, and insider traders in the ko.io SEC database. Institutions match by firm name OR manager name ('Seth Klarman' -> Baupost, 'Ackman' -> Pershing Square; person hits carry matched_person). Use this first when you have a name but need the CIK number, ticker, or slug to use with other tools.
Get Form144 Notices — Get SEC Form 144 filings — notices of proposed sale of restricted/controlled securities by insiders. Filed before selling, these signal upcoming insider sales. Complements Form 4 (post-trade) with pre-trade intent.
Sec List Filings — List an entity's SEC filings from EDGAR (most recent first), each with its accession number. Provide the company's CIK (use search or get_stock_profile to find it). Returns accession numbers to pass to sec_get_filing_index / sec_get_filing_document.
Sec Get Filing Index — Enumerate every file in a single SEC filing (primary document, exhibits, images, XBRL, the full .txt submission). Pass a file name from here to sec_get_filing_document.
Sec Get Filing Document — Get a source document from a SEC filing, served by ko.io. Returns a ko.io LINK to the rendered document (open in a browser) plus, optionally, an extracted text excerpt. Never returns the whole file — for full content, open the link or request a specific section. Requires a paid ko.io plan (Pro): on Free or keyless access the call returns an explicit plan-limit error. Use sec_list_filings / sec_get_filing_index (open on every plan) to find filings and their files.
Get Stock Financials — Get quarterly or annual financial statements for a company (revenue, net income, EPS, margins, cash flow, debt ratios) from SEC 10-K/10-Q filings. Plan limits: the Free plan and keyless access return only the latest quarterly statement; annual statements and earlier quarters require Pro (a request for them returns an explicit plan-limit error, never 'no data'). structuredContent carries the exact reported values.
Get Treasury Yields — Get U.S. Treasury yield curve data — daily yields for maturities from 1-month to 30-year. Essential for understanding interest rate environment and yield curve shape.
Get Fed Rates — Get daily U.S. policy and money-market interest rates as a markdown table: Effective Fed Funds Rate, SOFR, Prime Rate, and benchmark Treasury yields (3M, 2Y, 10Y, 30Y) per date, newest first. Use for monetary-policy questions like 'Where is the Fed funds rate now?' or 'How has SOFR moved this quarter?', or to compare policy rates against long-end yields for inversion analysis. Covers up to 10 years of daily history. For the full Treasury curve across all maturities, use get_treasury_yields inste
Get Economic Indicators — Get U.S. economic indicators from BLS — CPI (inflation), PPI (producer prices), Non-farm Payrolls (employment), Unemployment Rate, JOLTS. Filter by category.
Get Ftd Data — Get SEC fails-to-deliver (FTD) data for a stock. Each quantity is the aggregate net BALANCE of shares that had failed to deliver and were still outstanding on that settlement date, as published by the SEC -- NOT the number of new fails that day. Balances carry over between days, so never sum quantities across dates (that counts the same unsettled shares repeatedly); compare levels or take the maximum instead. Fails arise from many causes (operational and processing delays, long sales, market-mak
Get Financial Stress — Get the OFR Financial Stress Index — a daily indicator of stress in global financial markets. Values above 0 indicate above-average stress.
Get Crypto Exposure — Get a market-wide summary of institutional exposure to US spot crypto ETFs (Bitcoin ETF complex: IBIT, FBTC, GBTC, etc.) from the latest quarter of SEC 13F filings. Returns total institutional USD held, quarter-over-quarter change, and a per-ETF breakdown (holders, USD, QoQ).
Get Crypto Holders — List institutional investors holding US spot crypto ETFs (Bitcoin ETF complex), ranked by total USD held, from the latest quarter of SEC 13F filings. Optionally filter to holders of a specific ETF via the `product` parameter (e.g. 'IBIT').
Get Crypto Holder — Get one institution's spot crypto-ETF holdings (Bitcoin ETF complex): its per-ETF positions in the latest filed quarter (shares, USD, QoQ change, action) plus its rank among all crypto-ETF holders. Use a CIK number (find it with get_crypto_holders or the search tool).
Get Eu Markets — Which European markets and datasets ko.io serves: for Sweden, Netherlands, Denmark and the UK, the status of insider dealings (PDMR), major holdings, net short positions and annual reports -- live (with latest source date), pending (not activated yet) or not offered. Call first when unsure whether an EU dataset is live.
Showing the first 25 tools — full list and schemas: Directory API.
How many tools does ko.io — The Clean Record of Who Owns What: SEC 13F, Insider provide?
MCPBundles probed 30 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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