Korea’s $170 Billion Retail Wave Broadcast Its Own Signal. The 13F Filings, Goldman Research, JPMorgan Notes, and 15 Years of KSD Data Show Exactly How Institutional Money Read It —

and Ran Every Phase of It.

Most coverage of the Korean retail investor surge in 2025 stops at the spectacle. This piece goes further — tracing five distinct institutional strategies across primary sources: the KSD’s near-daily public order flow data, SEC 13F accumulation-and-exit cycles documented in IonQ, EMJ Capital’s manufactured retail momentum, the Roundhill MEME ETF’s date-…