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quarterly holdings since 2021, from its SEC Form N-PORT filings, TickerInside, https://tickerinside.com/api/v1/quarterly/dfas.json","answer":"In DFAS's SEC filings, its largest position went from Darling Ingredients Inc. (DAR) at 0.51% on 2021-07-31 to HF Sinclair Corporation (DINO) at 0.29% on 2026-07-31, across 21 quarterly reports."}