SBISX SEC Filings — MFS Inflation-Adjusted Bond Portfolio
Data updated: 2026-08-24
53 SEC filings are listed: 17 prospectuses (latest Apr 29, 2026), 28 quarterly N-PORT holdings reports (latest Aug 24, 2026) and 8 annual N-CEN reports (latest Mar 13, 2026).
SBISX Prospectus (485BPOS)
Objective, strategy, fees and risks. 17 filings on SEC EDGAR.
- Filed Apr 29, 2026
- Filed Apr 29, 2025
- Filed Apr 26, 2024
- Filed Apr 27, 2023
- Filed Apr 28, 2022
- Filed Apr 29, 2021
- Filed May 19, 2020
- Filed May 30, 2019
- Filed May 18, 2018
- Filed May 18, 2017
- Filed May 19, 2016
- Filed May 20, 2015
- Filed May 20, 2014
- Filed May 20, 2013
- Filed Dec 31, 2012
- Filed May 22, 2012
- Filed May 18, 2011
SBISX Portfolio holdings (N-PORT)
Full holdings and monthly flows, filed quarterly. 28 filings on SEC EDGAR.
- Filed Aug 24, 2026
- Filed May 26, 2026
- Filed Feb 24, 2026
- Filed Nov 24, 2025
- Filed Aug 25, 2025
- Filed May 27, 2025
- Filed Feb 24, 2025
- Filed Nov 25, 2024
- Filed Aug 26, 2024
- Filed May 24, 2024
- Filed Feb 26, 2024
- Filed Nov 24, 2023
- Filed Aug 24, 2023
- Filed May 25, 2023
- Filed Feb 24, 2023
- Filed Nov 23, 2022
- Filed Aug 25, 2022
- Filed May 24, 2022
- Filed Feb 24, 2022
- Filed Nov 23, 2021
- Filed Aug 24, 2021
- Filed May 24, 2021
- Filed Feb 22, 2021
- Filed Nov 23, 2020
- Filed Aug 24, 2020
- Filed May 22, 2020
- Filed Feb 24, 2020
- Filed Nov 22, 2019
SBISX Annual census (N-CEN)
Service providers, brokerage and operations. 8 filings on SEC EDGAR.
Browse every MFS Inflation-Adjusted Bond Portfolio filing on SEC EDGAR
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, and annual data from Form N-CEN.
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.