BlackRock U.S. Mortgage Portfolio
BlackRock U.S. Mortgage Portfolio: Structured-Finance Exposure#
Quick Answer: Structured-Finance Holdings
As of the reporting period ending April 30, 2026, BlackRock U.S. Mortgage Portfolio reported 254 structured-finance (asset-backed) positions totaling $126.2M, 92.8% of its $136.1M SEC Form N-PORT portfolio.
Source: SEC Form N-PORT (CIK 1738079)Reporting period ending April 30, 2026License: CC BY 4.0. Cite as DealCharts, dealcharts.org.Facts JSON
What structured-finance securities does BlackRock U.S. Mortgage Portfolio hold?
BlackRock U.S. Mortgage Portfolio reported 254 structured-finance (asset-backed) positions totaling $126.2M, 92.8% of its $136.1M portfolio, as of the reporting period ending April 30, 2026 (SEC Form N-PORT). Breakdown by type: mortgage-backed securities (ABS-MBS): 234 positions ($113.2M, 83.2%); collateralized bond/debt obligations (ABS-CBDO): 14 positions ($9.6M, 7.1%); other asset-backed securities (ABS-O): 6 positions ($3.4M, 2.5%).
What is BlackRock U.S. Mortgage Portfolio's asset-backed / mortgage-backed securities (ABS/MBS) exposure?
BlackRock U.S. Mortgage Portfolio's structured-finance (ABS/MBS) exposure is $126.2M across 254 positions, or 92.8% of the $136.1M portfolio, as of the reporting period ending April 30, 2026.
As of when is BlackRock U.S. Mortgage Portfolio's structured-finance holdings data reported?
This reflects BlackRock U.S. Mortgage Portfolio's most recent SEC Form N-PORT filing, filed September 26, 2025, covering the reporting period ending April 30, 2026. Figures are point-in-time holdings as reported to the SEC.
Where can I get BlackRock U.S. Mortgage Portfolio's structured-finance holdings data?
BlackRock U.S. Mortgage Portfolio's holdings are sourced from its SEC Form N-PORT filing (SEC CIK 1738079) 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 BlackRock U.S. Mortgage Portfolio's latest news, products, partnerships, or leadership changes?
No. DealCharts covers BlackRock U.S. Mortgage Portfolio'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 Metrics
Portfolio summary and asset distribution sourced from SEC NPORT-P filings.Portfolio Summary
- Total Value
- $136,064,523
- Total Positions
- 256
- Average Position Size
- $531,502
Asset Distribution
- Filing Date
- September 26, 2025
- Report Date
- April 30, 2026
Holdings
All portfolio holdings for this fund, sourced from the most recent NPORT-P filing on SEC EDGAR.Context & Commentary#
Expert analysis, research, and commentary from verified entities and contributors.Portfolio Context
This profile reflects BlackRock U.S. Mortgage Portfolio's most recent SEC Form N-PORT filing, dated September 26, 2025, covering the reporting period ending April 30, 2026.
BlackRock U.S. Mortgage Portfolio reported 256 portfolio positions with a total reported market value of $136.1M as of the reporting period ending April 30, 2026, an average of $531.5K per position.
By reported market value, the portfolio was predominantly securitized-credit-oriented (92.8% of holdings).
The largest reported asset categories were mortgage-backed securities (ABS-MBS) (83.2%), short-term investments (7.2%), and collateralized bond/debt obligations (ABS-CBDO) (7.1%).
The single largest asset category, mortgage-backed securities (ABS-MBS), accounted for 83.2% of reported market value across 234 positions.
Auto-generated from this fund's SEC Form N-PORT filing data. Figures are point-in-time as reported.
Entity Statements
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
- September 26, 2025
- Report period
- April 30, 2026
- SEC CIK
- 1738079
External Analysis
Datasets & API#
Access the raw data behind this fund page through multiple channels: REST API or direct downloads.{
"fund_name": "BlackRock U.S. Mortgage Portfolio",
"fund_lei": "7XZIIEG4IA6DDFOL6S68",
"total_holdings": 256,
"total_value": 136064523.07,
"asset_types": [],
"filing_date": "2025-09-26"
}