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quarterly holdings since 2020, from its SEC Form N-PORT filings, TickerInside, https://tickerinside.com/api/v1/quarterly/tecb.json","answer":"In TECB's SEC filings, its largest position went from Salesforce (CRM) at 4.33% on 2020-01-31 to Palo Alto Networks (PANW) at 4.59% on 2026-07-31, across 27 quarterly reports."}