MFS Total Return Bond Fund
MFS Total Return Bond Fund: Structured-Finance Exposure#
Quick Answer: Structured-Finance Holdings
As of the reporting period ending April 30, 2026, MFS Total Return Bond Fund reported 967 structured-finance (asset-backed) positions totaling $3.8B, 40.9% of its $9.2B SEC Form N-PORT portfolio.
Source: SEC Form N-PORT (CIK 63075)Reporting period ending April 30, 2026License: CC BY 4.0. Cite as DealCharts, dealcharts.org.Facts JSON
What structured-finance securities does MFS Total Return Bond Fund hold?
MFS Total Return Bond Fund reported 967 structured-finance (asset-backed) positions totaling $3.8B, 40.9% of its $9.2B portfolio, as of the reporting period ending April 30, 2026 (SEC Form N-PORT). Breakdown by type: mortgage-backed securities (ABS-MBS): 839 positions ($2.5B, 26.9%); collateralized bond/debt obligations (ABS-CBDO): 81 positions ($1.1B, 12.4%); other asset-backed securities (ABS-O): 47 positions ($147.7M, 1.6%).
What is MFS Total Return Bond Fund's asset-backed / mortgage-backed securities (ABS/MBS) exposure?
MFS Total Return Bond Fund's structured-finance (ABS/MBS) exposure is $3.8B across 967 positions, or 40.9% of the $9.2B portfolio, as of the reporting period ending April 30, 2026.
As of when is MFS Total Return Bond Fund's structured-finance holdings data reported?
This reflects MFS Total Return Bond Fund's most recent SEC Form N-PORT filing, filed June 29, 2026, covering the reporting period ending April 30, 2026. Figures are point-in-time holdings as reported to the SEC.
Where can I get MFS Total Return Bond Fund's structured-finance holdings data?
MFS Total Return Bond Fund's holdings are sourced from its SEC Form N-PORT filing (SEC CIK 63075) 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 MFS Total Return Bond Fund's latest news, products, partnerships, or leadership changes?
No. DealCharts covers MFS Total Return Bond 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 Metrics
Portfolio summary and asset distribution sourced from SEC NPORT-P filings.Portfolio Summary
- Total Value
- $9,219,584,498
- Total Positions
- 1,220
- Asset Categories
- 6
- Average Position Size
- $7,557,036
Asset Distribution
- ABS Collateralized Bond/Debt Obligations
- 12.4%
- Derivative-Rate
- -0.1%
- ABS Other
- 1.6%
- ABS/MBS
- 26.9%
- Debt
- 57.8%
- Short-Term Investments
- 1.4%
- Filing Date
- June 29, 2026
- 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 MFS Total Return Bond Fund's most recent SEC Form N-PORT filing, dated June 29, 2026, covering the reporting period ending April 30, 2026.
MFS Total Return Bond Fund reported 1,220 portfolio positions with a total reported market value of $9.2B as of the reporting period ending April 30, 2026, an average of $7.6M per position.
By reported market value, the portfolio was predominantly fixed-income-oriented (57.8% of holdings).
The largest reported asset categories were debt (57.8%), mortgage-backed securities (ABS-MBS) (26.9%), and collateralized bond/debt obligations (ABS-CBDO) (12.4%).
The single largest asset category, debt, accounted for 57.8% of reported market value across 250 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
- June 29, 2026
- Report period
- April 30, 2026
- SEC CIK
- 63075
External Analysis
Datasets & API#
Access the raw data behind this fund page through multiple channels: REST API or direct downloads.{
"fund_name": "MFS Total Return Bond Fund",
"fund_lei": "FJAEEQMSDDUK9QL2E558",
"total_holdings": 1220,
"total_value": 9219584498.35,
"asset_types": [
"ABS Collateralized Bond/Debt Obligations",
"Derivative-Rate",
"ABS Other",
"ABS/MBS",
"Debt",
"Short-Term Investments"
],
"filing_date": "2026-06-29"
}