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quarterly holdings since 2019, from its SEC Form N-PORT filings, TickerInside, https://tickerinside.com/api/v1/quarterly/iyh.json","answer":"In IYH's SEC filings, its largest position went from Johnson & Johnson (JNJ) at 9.09% on 2019-10-31 to Lilly (Eli) (LLY) at 15.11% on 2026-07-31, across 27 quarterly reports."}