8-Market Whale Tracker — Institutional Ownership & Disclosure Signals

Track institutional ownership and major-holder disclosure signals across 8 markets — US 13F, Japan EDINET, China fund disclosures, Korea DART, Hong Kong HKEX DI, Taiwan TWSE/MOPS, India NSE, UK FCA. Daily-updated consensus, conviction, crowdedness, position-delta, network, and Lakonishok-Lee predictive signals with publication-gate state per signal.

Coverage by market

• US — 13F holdings + activist 13D/13G filings + Berkshire annual letter NLP
• CN — Tushare and AkShare fund holdings disclosures (Q2/Q4 full, Q1/Q3 top-10)
• JP — EDINET XBRL extraction from 大量保有報告書 large-shareholding reports
• KR — DART 5%+ major-holder and insider filings
• HK — HKEX Disclosure of Interests substantial-shareholder register
• TW — TWSE/MOPS named-holder registry + three-institutional daily flows
• IN — NSE bulk & block deals + shareholding categories
• UK — FCA TR-1 major holdings + net short disclosures

Signal types

• Consensus score — institutional ownership concentration
• Conviction index — AUM-weighted fund-relative conviction
• Crowdedness — % of universe holding the ticker
• Position delta z-score — net shares-change this period
• Network centrality — bipartite graph weighted degree
• Lakonishok-Lee predictive — ownership-change momentum

Methodology

All signals carry a publication-gate state (publish_tested / restricted / draft) reflecting evidence quality. See whale holdings methodology and consensus score derivation.

Related pages

Disclaimer: SurgeFlow is open data and statistical research, not a financial service, broker-dealer, or investment advisor. Nothing on this page is investment advice. SurgeFlow is free; we ask users to donate to UNHCR.