{"ticker":"BLCR","name":"iShares Large Cap Core Active ETF","source":"SEC Form N-PORT","license":"CC BY 4.0","reports":12,"first":"2023-10-31","last":"2026-07-31","holdings_at":"https://tickerinside.com/api/v1/history/blcr/{date}.json","report_list":[{"holdings_as_of":"2023-10-31","filed":"2023-12-27","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272423293929/","net_assets":4950469,"positions":56,"top10_pct":35.63,"largest":[["MSFT",8.2778],["AMZN",5.4253],["AAPL",3.9705],["GOOGL",2.8899],["BRK.B",2.8614],["META",2.8542],["CMCSA",2.5406],["UNH",2.3151],["AMAT",2.2912],["NVO",2.2043]]},{"holdings_as_of":"2024-01-31","filed":"2024-03-27","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272424070992/","net_assets":6557909,"positions":56,"top10_pct":35.89,"largest":[["MSFT",8.4573],["AMZN",5.4929],["AAPL",3.7257],["META",3.2006],["GOOGL",2.8349],["BRK.B",2.5922],["CMCSA",2.4853],["AMD",2.4676],["FTV",2.3545],["NVO",2.2763]]},{"holdings_as_of":"2024-04-30","filed":"2024-06-27","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272424147930/","net_assets":6749319,"positions":56,"top10_pct":35.93,"largest":[["MSFT",8.0008],["AMZN",5.9428],["GOOGL",3.4778],["AAPL",3.3287],["META",3.1549],["BRK.B",2.5864],["NVO",2.4201],["GOOG",2.4003],["ICE",2.3561],["AMD",2.2574]]},{"holdings_as_of":"2024-07-31","filed":"2024-09-27","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272424222621/","net_assets":7218725,"positions":49,"top10_pct":38.2,"largest":[["MSFT",8.0381],["AMZN",5.9368],["AAPL",4.0578],["GOOGL",3.4267],["NVDA",3.2583],["META",3.256],["BRK.B",2.6728],["ICE",2.5929],["SHEL",2.5165],["ELV",2.4395]]},{"holdings_as_of":"2024-10-31","filed":"2024-12-26","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272424294656/","net_assets":7181320,"positions":50,"top10_pct":39.67,"largest":[["MSFT",7.786],["AMZN",5.9024],["AAPL",4.1147],["NVDA",3.9747],["META",3.8806],["GOOGL",3.412],["MRVL",2.8424],["BRK.B",2.744],["ICE",2.661],["CIEN",2.356]]},{"holdings_as_of":"2025-01-31","filed":"2025-03-27","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272425071033/","net_assets":7853394,"positions":35,"top10_pct":49.74,"largest":[["AMZN",8.0232],["MSFT",7.6581],["META",6.9502],["V",5.0573],["CIEN",4.192],["APD",3.889],["NVDA",3.7733],["GOOGL",3.4188],["AVGO",3.3923],["ICE",3.3906]]},{"holdings_as_of":"2025-04-30","filed":"2025-06-26","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000175272425157906/","net_assets":7620398,"positions":32,"top10_pct":51.09,"largest":[["MSFT",8.1174],["AMZN",7.4079],["META",6.1597],["V",5.3273],["NVDA",4.7939],["CAH",4.0735],["ICE",3.9764],["AVGO",3.8391],["SPGI",3.7863],["CIEN",3.6116]]},{"holdings_as_of":"2025-07-31","filed":"2025-09-24","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000141036825010138/","net_assets":9726148,"positions":32,"top10_pct":51.52,"largest":[["MSFT",8.5514],["AMZN",7.3679],["NVDA",7.0628],["META",6.5685],["V",4.3405],["AVGO",3.9014],["CAH",3.6466],["SPGI",3.3997],["JCI",3.3888],["ICE",3.2895]]},{"holdings_as_of":"2025-10-31","filed":"2025-12-29","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000141036825043472/","net_assets":10803030,"positions":35,"top10_pct":49.91,"largest":[["MSFT",7.4726],["NVDA",7.2389],["AMZN",6.9628],["META",4.9753],["CIEN",4.5814],["CAH",4.0351],["AVGO",3.9314],["V",3.8543],["GOOGL",3.8366],["AAPL",3.0183]]},{"holdings_as_of":"2026-01-31","filed":"2026-03-26","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000141036826031824/","net_assets":105566626,"positions":34,"top10_pct":47.43,"largest":[["AMZN",6.6053],["NVDA",6.3419],["MSFT",5.5112],["GOOGL",5.3162],["META",5.3008],["CAH",4.402],["CIEN",3.9052],["ICE",3.4537],["MU",3.3448],["V",3.244]]},{"holdings_as_of":"2026-04-30","filed":"2026-06-25","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000141036826066764/","net_assets":5138719413,"positions":37,"top10_pct":46.28,"largest":[["AMZN",6.9297],["NVDA",6.3119],["GOOGL",5.5351],["MSFT",4.8142],["META",4.368],["CIEN",4.3242],["INTC",3.9445],["WDC",3.4909],["V",3.2948],["MU",3.2716]]},{"holdings_as_of":"2026-07-31","filed":"2026-09-25","filing_url":"https://www.sec.gov/Archives/edgar/data/1761055/000141036826099902/","net_assets":6442167827,"positions":42,"top10_pct":45.49,"largest":[["AMZN",7.4536],["NVDA",6.4574],["MSFT",4.9938],["GOOGL",4.9594],["META",4.0853],["V",4.0181],["CAH",3.6077],["ATI",3.4837],["AAPL",3.3],["WCC",3.129]]}],"multi_class":false,"cite_as":"BLCR quarterly holdings since 2023, from its SEC Form N-PORT filings, TickerInside, https://tickerinside.com/api/v1/quarterly/blcr.json","answer":"In BLCR's SEC filings, its largest position went from Microsoft (MSFT) at 8.28% on 2023-10-31 to Amazon (AMZN) at 7.45% on 2026-07-31, across 12 quarterly reports."}