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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.

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.

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 historical daily stock prices (OHLC). Returns a summary by default; set series=true to get the full daily price series (for backtesting / charting).

Get a company's profile — sector, market cap, price, P/E ratio, 52-week range, beta, dividend yield, and other key financials.

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 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).

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 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.

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.

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.

Get detailed trading history of a specific U.S. Congress member. Shows individual trades with transaction types, amounts, and disclosure dates.

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, party, state, ticker, or member name; sort by traded value, trade count, or recency. For one member's profile and complete trading history, use get_congress_member instead.

Get insider/executive stock trades (SEC Form 4) for a company. Shows CEO, CFO, directors, and other officers buying or selling their own company's stock — a key signal for institutional investors.

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 U.S. economic indicators from BLS — CPI (inflation), PPI (producer prices), Non-farm Payrolls (employment), Unemployment Rate, JOLTS. Filter by category.

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 instead.

Get the OFR Financial Stress Index — a daily indicator of stress in global financial markets. Values above 0 indicate above-average stress.

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.

Get SEC Failures-to-Deliver (FTD) data for a stock. High FTD quantities may indicate naked short selling or settlement issues.

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.

List top institutional investors (hedge funds, mutual funds, etc.) tracked in the SEC 13F database. Supports search by name and pagination.

Search across institutions, stocks, and insider traders in the ko.io SEC database. Use this first when you have a name but need the CIK number, ticker, or slug to use with other tools.

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.