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Fund holdings profileCurrent N-PORT coverage

iShares U.S. Securitized Bond Index Fund

As of March 26, 2026Source: SEC Form N-PORT, CIK 844779
Latest answer
As of the reporting period ending October 31, 2026, iShares U.S. Securitized Bond Index Fund reported 1948 structured-finance (asset-backed) positions totaling $5.7B, 90.6% of its $6.3B SEC Form N-PORT portfolio.
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iShares U.S. Securitized Bond Index Fund: Structured-Finance Exposure#

Quick Answer: Structured-Finance Holdings

As of the reporting period ending October 31, 2026, iShares U.S. Securitized Bond Index Fund reported 1948 structured-finance (asset-backed) positions totaling $5.7B, 90.6% of its $6.3B SEC Form N-PORT portfolio.

Source: SEC Form N-PORT (CIK 844779)Reporting period ending October 31, 2026License: CC BY 4.0. Cite as DealCharts, dealcharts.org.Facts JSON

What structured-finance securities does iShares U.S. Securitized Bond Index Fund hold?

iShares U.S. Securitized Bond Index Fund reported 1948 structured-finance (asset-backed) positions totaling $5.7B, 90.6% of its $6.3B portfolio, as of the reporting period ending October 31, 2026 (SEC Form N-PORT). Breakdown by type: mortgage-backed securities (ABS-MBS): 1883 positions ($5.7B, 89.2%); other asset-backed securities (ABS-O): 65 positions ($88.7M, 1.4%).

What is iShares U.S. Securitized Bond Index Fund's asset-backed / mortgage-backed securities (ABS/MBS) exposure?

iShares U.S. Securitized Bond Index Fund's structured-finance (ABS/MBS) exposure is $5.7B across 1948 positions, or 90.6% of the $6.3B portfolio, as of the reporting period ending October 31, 2026.

As of when is iShares U.S. Securitized Bond Index Fund's structured-finance holdings data reported?

This reflects iShares U.S. Securitized Bond Index Fund's most recent SEC Form N-PORT filing, filed March 26, 2026, covering the reporting period ending October 31, 2026. Figures are point-in-time holdings as reported to the SEC.

Where can I get iShares U.S. Securitized Bond Index Fund's structured-finance holdings data?

iShares U.S. Securitized Bond Index Fund's holdings are sourced from its SEC Form N-PORT filing (SEC CIK 844779) and republished by DealCharts as structured, machine-readable data through the Facts JSON endpoint linked on this page. The data is free to reuse under a Creative Commons Attribution 4.0 (CC BY 4.0) license. Cite as DealCharts (dealcharts.org).

Does DealCharts track iShares U.S. Securitized Bond Index Fund's latest news, products, partnerships, or leadership changes?

No. DealCharts covers iShares U.S. Securitized Bond Index Fund's structured-finance holdings and exposure derived from SEC Form N-PORT filings, not corporate news, product launches, partnerships, acquisitions, earnings, or executive changes. For those, consult the fund sponsor's own disclosures or SEC EDGAR full-text filings.

Fund Overview

Fund NameiShares U.S. Securitized Bond Index Fund
Fund LEI
549300IX2EU4EA7H6U85
CIK844779
Fund ID
S000075207

Fund Metrics

Portfolio summary and asset distribution sourced from SEC NPORT-P filings.

Portfolio Summary

Total Value
$6,336,709,647
Total Positions
1,963
Average Position Size
$3,228,074

Asset Distribution

Filing Date
March 26, 2026
Report Date
October 31, 2026

Holdings

All portfolio holdings for this fund, sourced from the most recent NPORT-P filing on SEC EDGAR.
Preview the largest reported positions from 1,963 total holdings, or open the complete machine-readable file.
Open complete JSON →

Context & Commentary#

Expert analysis, research, and commentary from verified entities and contributors.

Portfolio Context

This profile reflects iShares U.S. Securitized Bond Index Fund's most recent SEC Form N-PORT filing, dated March 26, 2026, covering the reporting period ending October 31, 2026.

iShares U.S. Securitized Bond Index Fund reported 1,963 portfolio positions with a total reported market value of $6.3B as of the reporting period ending October 31, 2026, an average of $3.2M per position.

By reported market value, the portfolio was predominantly securitized-credit-oriented (90.6% of holdings).

The largest reported asset categories were mortgage-backed securities (ABS-MBS) (89.2%), short-term investments (9.2%), and other asset-backed securities (ABS-O) (1.4%).

The single largest asset category, mortgage-backed securities (ABS-MBS), accounted for 89.2% of reported market value across 1,883 positions.

Auto-generated from this fund's SEC Form N-PORT filing data. Figures are point-in-time as reported.

Entity Statements

Regulatory context

Recent SEC Filing Activity

DealCharts currently indexes the latest NPORT-P holdings filing for this fund and links to official SEC EDGAR results for related shareholder and prospectus filings.
Form
NPORT-P
Filing date
March 26, 2026
Report period
October 31, 2026
SEC CIK
844779
Official SEC EDGAR links
Latest indexed NPORT-P filingNPORT-P holdingsN-CSR reports497K prospectusFund facts JSON

External Analysis

Datasets & API#

Access the raw data behind this fund page through multiple channels: REST API or direct downloads.
Facts APIMachine-readable fund facts: holdings, positions, and metadata. No API key required.
Structured Facts (JSON-LD)Machine-readable facts for LLMs, research, and automation.
{
  "fund_name": "iShares U.S. Securitized Bond Index Fund",
  "fund_lei": "549300IX2EU4EA7H6U85",
  "total_holdings": 1963,
  "total_value": 6336709646.6,
  "asset_types": [],
  "filing_date": "2026-03-26"
}
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