StockDrifts MCP Server

One fund's binary-event track record per sector, with best/worst calls The fund's record of holding names through binary events (price-defined single-day moves — readouts/FDA/buyouts in biotech, earnings/M&A elsewhere; not verified cause labels): one row per sector bucket, the 'all' rollup first, each with hits, blowups, hit rate, dollar-weighted impact, and the five best and worst resolved calls. 404 means the fund had no scored events in the window, not that it is a bad fund.

QoQ position diff for one investor between two periods

Latest 13F holdings for one investor (or for a specific period)

Sector-exposure history for one investor (newest quarter first) Per-quarter portfolio composition by sector for one 13F filer, including the biotech tier and top biotech positions. Use it to see whether a fund was already a sector specialist in earlier quarters, or how its sector mix is shifting. `unclassified_pct` reports how much top-50 value had no sector tag.

All JP filings made by one investor (EDINET code)

All 13F periods on file for one investor

Pre-aggregated shareholding summary for one JP ticker

Pre-aggregated insider summary for one KR ticker

Shareholding-report filings for one JP ticker

Insider trades for one KR ticker

Screen 13F holdings by period, ticker, value, and rating; returns each matched fund with only the position(s) that matched Results are wrapped in an envelope: `results` holds up to `limit` funds (max 500), `total_count` is the full server-side match count, and `truncated` says whether paging with `offset` would surface more. `period` accepts '2026-Q2' or an ISO date like '2026-06-30'.

Screen insider activity by country, date, value, role, and ticker Screens one market per call, selected by `country`: 'KR' returns individual insider transactions, 'JP' returns 5%+ shareholding reports. The response echoes `country` — switch on it before reading `results`, since the two markets return different record shapes. There is no US coverage; use the 13F screen for US institutional flows.

Screen funds by their track record on binary events (any sector) Ranks 13F filers by how their positions resolved through binary events — single-day moves >= ~25%, price-defined, NOT verified cause labels. In biotech these are trial readouts / FDA decisions / buyouts; elsewhere earnings blowups, guidance cuts, M&A. `sector='all'` (default) ranks across everything; `'biotech'` and lowercased sector names ('technology', 'energy', ...) scope the record. `hit_rate` = pops held / events decided; `impact_usd` is dollar-weighted (position value x event return). Always pass `min_events` (>= 5) — a perfect rate on 2 events is noise. Chain with `get_investor_holdings_us` to see what a proven event-caller is buying now, or `screen_investor_sector_exposure_us` to intersect with sector specialists.

Screen investors by sector concentration (e.g. top biotech specialists) Ranks 13F filers by the share of their portfolio in one sector, computed from sector-tagged top-50 holdings. `tier` buckets: specialist (>=60%), heavy (30-60%), tilted (10-30%), minimal (<10%). Interpretation caveats: corporate venture arms (Gilead, Pfizer, GSK) and single-stock endowments (e.g. Lilly Endowment holds only LLY) rank as specialists — pass `min_positions` (e.g. 5) to screen for genuinely diversified sector pickers. Chain with `get_investor_holdings_us` / `get_investor_changes_us` to see what a specialist is buying now.

Top JP tickers by aggregated insider buying over a window

Top KR tickers by aggregated insider buying over a window

Top JP tickers by aggregated insider selling over a window

Top KR tickers by aggregated insider selling over a window

Search JP companies by stock_code, Japanese name, or English name

Search KR companies by stock_code, Korean name, or English name

Top JP investors by star rating + avg return

Top KR insiders by historical avg return on their buys

Recent JP BUY/INITIAL filings whose price hasn't moved much yet

Recent KR open-market BUYs whose price hasn't moved much yet

Recent JP filings across all tickers

Recent KR insider trades across all tickers

JP tickers with multiple distinct investors filing on the same name

Fuzzy-search investors by name; resolves to CIKs ordered by AUM Case-insensitive partial-name match against the latest-holdings view. Returns the largest funds first so the most likely match is at the top. Use this to resolve a manager name to a CIK before calling investor-axis tools (`get_investor_holdings_us`, `list_investor_periods_us`, `get_investor_changes_us`).

Latest normalized KPI snapshot for one ticker

Cross-reference one D005 plan against its actual executions

KR pre-disclosure (D005) plans — announced but not yet executed trades

Investors with `ticker` in their top-50 positions, sorted by position size Returns 13F filers that hold `ticker` **as one of their 50 largest positions**, scoped to the most recent reporting period by default. Only top-50 positions per investor are surfaced — smaller positions are not included. Pass an explicit `period` to query a different quarter.