{"entity_type":"fund","name":"iShares U.S. Aggregate Bond Index Fund","identifiers":{"lei":"5493006PUI6YFKF2EE10","cik":"893818","fund_id":"S000004270","fundkey":"ishares-u-s-aggregate-bond-index-fund"},"dates":{"reporting_period_start":"2025-12-31","reporting_period_end":"2025-12-31","filing_date":"2026-02-24"},"summary":{"total_positions":1,"total_value_usd":3760883584.64,"asset_categories":["EC"],"by_asset_category":{"EC":{"positions":1,"total_value_usd":3760883584.64}}},"holdings":[{"issuer_name":"MASTER INVESTMENT PORTFOLIO","title":"U.S. Total Bond Index Master Portfolio","isin":null,"value_usd":3760883584.64,"pct_val":100.3281123775,"balance":408341719.16,"units":"NS","currency":"USD","asset_cat":"EC","issuer_cat":"RF","inv_country":"US","fair_val_level":"N/A","payoff_profile":"Long"}],"source_documents":[{"label":"SEC NPORT-P Filings","url":"https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=893818&type=NPORT&dateb=&owner=exclude&count=40"}],"dataset":{"json":"https://dealcharts.org/llm/facts/fund/ishares-u-s-aggregate-bond-index-fund.json","page":"https://dealcharts.org/capitalmarkets/funds/ishares-u-s-aggregate-bond-index-fund/"},"provenance":{"curator":"CMD+RVL","curator_url":"https://cmdrvl.com","platform":"Dealcharts","platform_url":"https://dealcharts.org/","source":"SEC NPORT-P Public Filings","license":"CC-BY 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Data curated by CMD+RVL from SEC NPORT-P public filings"},"citation":"Fund: iShares U.S. Aggregate Bond Index Fund | LEI: 5493006PUI6YFKF2EE10 | 1 positions totaling $3,760,883,585 across EC | Filing: Mon Feb 23 2026 19:00:00 GMT-0500 (Eastern Standard Time) | Source: SEC NPORT-P via Dealcharts.org","updated_at":"2026-02-24"}