MFS Total Return Bond Fund
Ask Cairn for a dataset
Ask Cairn what sourced datasets are available for MFS Total Return Bond Fund. Coverage and reporting dates vary.
Available data may lag the latest filing. Cairn will tell you if a deal is not covered.
MFS Total Return Bond Fund: Structured-Finance Exposure#
Structured-Finance Holdings
As of April 30, 2026, MFS Total Return Bond Fund reported 839 structured-finance (asset-backed) positions totaling $3.1B, 37.2% of its $8.3B SEC Form N-PORT portfolio.
Source: SEC Form N-PORT (CIK 63075)Holdings as of 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 839 structured-finance (asset-backed) positions totaling $3.1B, 37.2% of its $8.3B portfolio, as of April 30, 2026 (SEC Form N-PORT). Breakdown by type: mortgage-backed securities (ABS-MBS): 736 positions ($2.0B, 23.9%); collateralized bond/debt obligations (ABS-CBDO): 64 positions ($961.0M, 11.6%); other asset-backed securities (ABS-O): 39 positions ($137.7M, 1.7%).
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 $3.1B across 839 positions, or 37.2% of the $8.3B portfolio, as of April 30, 2026.
What date do MFS Total Return Bond Fund's structured-finance holdings describe?
This represents MFS Total Return Bond Fund's SEC Form N-PORT filing, filed June 29, 2026, with holdings as of 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 come from its SEC Form N-PORT filing (SEC CIK 63075) and republished by DealCharts as structured, machine-readable data in the Facts JSON 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, see the fund sponsor's 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
- $8,285,361,775
- Total Positions
- 1,077
- Asset Categories
- 6
- Average Position Size
- $7,693,001
Asset Distribution
- Debt
- 61.5%
- ABS/MBS
- 23.9%
- ABS Other
- 1.7%
- Short-Term Investments
- 1.5%
- ABS Collateralized Bond/Debt Obligations
- 11.6%
- Derivative-Rate
- -0.3%
- Filing Date
- June 29, 2026
- Holdings as of
- April 30, 2026
Holdings
Portfolio holdings from the NPORT-P filing identified on this page, with its holdings date and source accession.Context & Commentary#
Expert analysis, research, and commentary from verified entities and contributors.Portfolio Context
This profile uses MFS Total Return Bond Fund's SEC Form N-PORT filing dated June 29, 2026, reporting holdings as of April 30, 2026.
MFS Total Return Bond Fund reported 1,077 portfolio positions with a total reported market value of $8.3B as of April 30, 2026, an average of $7.7M per position.
By reported market value, the portfolio was predominantly fixed-income-oriented (61.5% of holdings).
The largest reported asset categories were debt (61.5%), mortgage-backed securities (ABS-MBS) (23.9%), and collateralized bond/debt obligations (ABS-CBDO) (11.6%).
The largest asset category, debt, accounted for 61.5% of reported market value across 233 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
These dates identify the NPORT-P filing used on this page. The SEC EDGAR links lead to related shareholder and prospectus filings.- Form
- NPORT-P
- Filing date
- June 29, 2026
- Fiscal period end
- April 30, 2026
- SEC CIK
- 63075
External Analysis
Datasets & API#
Get the raw data behind this page through the REST API or direct downloads.{
"fund_name": "MFS Total Return Bond Fund",
"fund_lei": "FJAEEQMSDDUK9QL2E558",
"total_holdings": 1077,
"total_value": 8285361774.73,
"asset_types": [
"Debt",
"ABS/MBS",
"ABS Other",
"Short-Term Investments",
"ABS Collateralized Bond/Debt Obligations",
"Derivative-Rate"
],
"filing_date": "2026-06-29"
}