The research report—and the ETF—tracks the 50 companies that matter most to fundamentally driven hedge funds as found in their 13F filings. A 13F is a quarterly holdings report required for any hedge fund company with over $100 million invested in U.S. equities. The ETF would mark the first time a Wall Street bank uses its own research report as the basis for an ETF. While this isn’t Goldman’s own investment calls per se,...