http://archive.fast-edgar.com/20260902/A8ZZW22CJM22R2ZZ252M22ZGIWUWZ22IZ682
Filed on: September 2, 2026
http://archive.fast-edgar.com/20260902/A6ZTI22CJM22R2ZZ252A22ZGG2RAZ22IZ282
Filed on: September 2, 2026
http://archive.fast-edgar.com/20260902/AJ24F22CZZ2RR2S2229C2CY2HUMKZZ22G282
Filed on: September 2, 2026
http://archive.fast-edgar.com/20260902/AAZJN22CJM22G2ZZ252P22ZGMLSEZ22IZ282
Filed on: September 2, 2026
111 Huntington Avenue, Boston, Massachusetts 02199
617-954-5000
September 2, 2026
VIA EDGAR
United States Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
Re: MFS® Series Trust IX (the “Trust”) (File Nos. 2-50409 and 811-2464) on behalf of MFS® Corporate Bond Fund, MFS® Limited Maturity Fund, MFS® Municipal Limited Maturity Fund, and MFS® Total Return Bond Fund (the “Funds”)
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the... (continue reading...)
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