{"ticker":"ETEC","name":"iShares Breakthrough Environmental Solutions ETF","source":"SEC Form N-PORT","license":"CC BY 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quarterly holdings since 2023, from its SEC Form N-PORT filings, TickerInside, https://tickerinside.com/api/v1/quarterly/etec.json","answer":"In ETEC's SEC filings, its largest position went from E.ON SE (EOAN.DE) at 5.52% on 2023-04-30 to Kurita Water Industries Ltd (6370.JP) at 7.05% on 2026-07-31, across 14 quarterly reports."}