Login
Super Investors MFS Corporate Bond Fund

MFS Corporate Bond Fund

Mfs Series Trust Ix · net assets $4.36B · 430 holdings as of July 31, 2026. Monthly N-PORT disclosure: the full book, not just equities.

Asset mix

DBT: 95.1% · ABS-MBS: 2.2% · STIV: 1.9% · ABS-CBDO: 0.6% · ABS-O: 0.3%

Financial position

Total assets
$4.4B
Total liabilities
$40M
Net assets
$4.36B
Assets attributable to miscellaneous securities
$0
Assets invested in controlled foreign corporations
$0
Borrowings payable within one year
$0
Payable to controlled companies within one year
$0
Payable to other affiliates within one year
$0
Other liabilities payable within one year
$0
Borrowings payable after one year
$0
Payable to controlled companies after one year
$0
Payable to other affiliates after one year
$0
Other liabilities payable after one year
$0
Payables for delayed-delivery investments
$21.5M
Payables for standby commitments
$0
Liquidation preference of outstanding preferred stock
$0
Cash not reported in Parts C or D
$1.21M

Monthly flows and gains

Month 1 Month 2 Month 3
Sales $49.1M $165M $85M
Reinvestment $15.5M $16.1M $16.1M
Redemptions $89.8M $91.7M $112M
Net realized gain (non-derivative) $-5.09M $-3.58M $-1.37M
Net unrealized appreciation (non-derivative) $17.7M $-5.06M $-81.8M

The three months of the reporting period, as filed; month 3 ends July 31, 2026.

Credit spread risk (change in value per 1bp spread move)

Tenor Investment grade Non-investment grade
3 months $-9.29K $-1.81K
1 year $-164K $-38.3K
5 years $-768K $-90.1K
10 years $-1.03M $-47.1K
30 years $-489K $-22.9K

Filing details

Registrant
Mfs Series Trust Ix
Registrant CIK
63075
Registrant LEI
549300IJONSVWD5I9F62
Series
MFS Corporate Bond Fund
Series ID
S000002492
Series LEI
4YECUOR03M3ILWFMIX10
SEC file number
811-02464
Address
111 Huntington Avenue, Boston, US-MA, 02199, US
Phone
617-954-5000
Form
NPORT-P
Filed
September 28, 2026
Report period ends
April 30, 2027
Report month ends
July 31, 2026
Accession number
000207169126023467
Holding Value % of net assets
Mfs Institutional Money Market Portfolio STIV $82.7M 1.90%
Boeing Co. (the) DBT $33M 0.76%
Jpmorgan Chase & Co. DBT $32.7M 0.75%
Ubs Group Ag DBT $32.3M 0.74%
Pinnacle Financial Partners, Inc. DBT $27.1M 0.62%
Charles Schwab Corp. (the) DBT $25M 0.57%
Sumitomo Mitsui Financial Group, Inc. DBT $24.9M 0.57%
Morgan Stanley DBT $24.8M 0.57%
Caixabank Sa DBT $23M 0.53%
Royal Bank Of Canada DBT $22.5M 0.52%
Aib Group PLC DBT $21.9M 0.50%
American Homes 4 Rent LP DBT $21.8M 0.50%
Ubs Group Ag DBT $21.6M 0.50%
Spire, Inc. DBT $21.3M 0.49%
Bacardi Ltd. DBT $20.8M 0.48%
Jpmorgan Chase & Co. DBT $20.8M 0.48%
Highwoods Realty LP DBT $19.7M 0.45%
Element Fleet Management Corp. DBT $19.7M 0.45%
Bank Hapoalim Bm DBT $19.7M 0.45%
National Australia Bank Ltd. DBT $19.5M 0.45%
Paychex, Inc. DBT $19.4M 0.44%
Jane Street Group DBT $19.3M 0.44%
Mars, Inc. DBT $19.2M 0.44%
Maxam Prill Sarl DBT $19.2M 0.44%
Equitable America Global Funding DBT $19M 0.44%
Scih Salt Holdings, Inc. DBT $18.9M 0.43%
Transdigm, Inc. DBT $18.7M 0.43%
Hilton Domestic Operating Co., Inc. DBT $18.5M 0.42%
Flutter Treasury Dac DBT $18.3M 0.42%
Icon Investments Six Dac DBT $18.1M 0.41%
Boston Gas Co. DBT $17.9M 0.41%
Sunoco LP DBT $17.7M 0.41%
Northern Star Resources Ltd. DBT $17.6M 0.40%
Citadel Securities Global Holdings LLC DBT $17.4M 0.40%
Mitsubishi Ufj Financial Group, Inc. DBT $17.4M 0.40%
Amazon.com, Inc. DBT $17.3M 0.40%
Jpmorgan Chase & Co. DBT $17.1M 0.39%
Store Capital LLC DBT $17.1M 0.39%
Blue Owl Credit Income Corp. DBT $16.9M 0.39%
Targa Resources Corp. DBT $16.9M 0.39%
Nordea Bank Abp DBT $16.7M 0.38%
Eastern Energy Gas Holdings LLC DBT $16.6M 0.38%
Ardn Mortgage Trust ABS-MBS $16.4M 0.38%
Ferguson Enterprises, Inc. DBT $16.3M 0.37%
Jersey Central Power & Light Co. DBT $16.2M 0.37%
Lpl Holdings, Inc. DBT $16M 0.37%
Lpl Holdings, Inc. DBT $15.9M 0.36%
Cbre Services, Inc. DBT $15.8M 0.36%
Ntt Finance Corp. DBT $15.8M 0.36%
Cellnex Finance Co. Sa DBT $15.7M 0.36%
Wsp Global, Inc. DBT $15.7M 0.36%
Arrow Electronics, Inc. DBT $15.6M 0.36%
Japan Tobacco, Inc. DBT $15.5M 0.36%
Bermuda DBT $15.5M 0.36%
Hsbc Holdings PLC DBT $15.5M 0.36%
Nationwide Building Society DBT $15.5M 0.35%
Boeing Co. (the) DBT $15.4M 0.35%
Charles Schwab Corp. (the) DBT $15.2M 0.35%
Carlyle Group, Inc. (the) DBT $15.2M 0.35%
Videotron Ltd. DBT $15.1M 0.35%

Showing top 60 of 430 holdings.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support