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Super Investors MFS Emerging Markets Debt Fund

MFS Emerging Markets Debt Fund

Mfs Series Trust X · net assets $7.52B · 504 holdings as of July 31, 2026. Monthly N-PORT disclosure: the full book, not just equities.

Asset mix

DBT: 95.7% · EC: 4.4% · OTHER: 0.0% · DIR: 0.0% · DCR: 0.0%

Financial position

Total assets
$7.65B
Total liabilities
$125M
Net assets
$7.52B
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
$68M
Payables for standby commitments
$0
Liquidation preference of outstanding preferred stock
$0
Cash not reported in Parts C or D
$20.5M

Monthly flows and gains

Month 1 Month 2 Month 3
Sales $120M $97.5M $96.7M
Reinvestment $31.6M $31.6M $33.1M
Redemptions $130M $138M $102M
Net realized gain (non-derivative) $-2.31M $11.6M $16.6M
Net unrealized appreciation (non-derivative) $33M $1.52M $-124M

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 $-4.66K $-6.43K
1 year $-145K $-177K
5 years $-670K $-766K
10 years $-1.08M $-880K
30 years $-371K $-265K

Filing details

Registrant
Mfs Series Trust X
Registrant CIK
783740
Registrant LEI
5493001MUVNRNUPJY164
Series
MFS Emerging Markets Debt Fund
Series ID
S000002511
Series LEI
509D6AOZZ4SJ08T5BZ82
SEC file number
811-04492
Address
111 HUNTINGTON AVENUE, BOSTON, US-MA, 02199, US
Phone
617-954-5000
Form
NPORT-P
Filed
September 24, 2026
Report period ends
July 31, 2026
Report month ends
July 31, 2026
Accession number
000141036826098022
Holding Value % of net assets
Mfs Institutional Money Market Portfolio EC $332M 4.42%
Argentina Republic Government International Bonds DBT $101M 1.35%
Argentina Republic Government International Bonds DBT $81.1M 1.08%
Ecuador Government International Bonds DBT $72M 0.96%
Argentina Republic Government International Bonds DBT $71.6M 0.95%
Dominican Republic DBT $66.9M 0.89%
Colombia Government International Bonds DBT $62M 0.82%
Dominican Republic DBT $54.9M 0.73%
Paraguay Government International Bonds DBT $52.5M 0.70%
Ecuador Government International Bonds DBT $52.1M 0.69%
Ukraine Government DBT $51M 0.68%
Republic Of Venezuela DBT $48.1M 0.64%
Republic Of Sri Lanka DBT $46.5M 0.62%
Costa Rica Government DBT $46.3M 0.62%
Turkiye Government International Bonds DBT $44.2M 0.59%
Republic Of Sri Lanka DBT $41.4M 0.55%
Ukraine Government DBT $40.6M 0.54%
Republic Of South Africa Government International Bonds DBT $40.2M 0.53%
United Mexican States DBT $39.6M 0.53%
Petroleos Mexicanos DBT $39.6M 0.53%
Turkiye Government International Bonds DBT $39.2M 0.52%
Republic Of South Africa DBT $36.2M 0.48%
Angola Government International Bonds DBT $35.9M 0.48%
Eagle Funding Luxco Sarl DBT $35.6M 0.47%
Nigeria Government International Bonds DBT $33.4M 0.44%
Republic Of Poland DBT $33.4M 0.44%
Petronas Capital Ltd DBT $32.3M 0.43%
Hungary DBT $30.8M 0.41%
Egypt Government International Bonds DBT $30.6M 0.41%
Arab Republic Of Egypt DBT $30.5M 0.41%
Romania DBT $30.5M 0.41%
Petronas Capital Ltd DBT $30.5M 0.41%
Republic Of Poland DBT $30.4M 0.40%
Republic Of South Africa DBT $30M 0.40%
Ivory Coast Government International Bonds DBT $29.8M 0.40%
Hungary Government International Bonds DBT $29.7M 0.40%
Republic Of Guatemala DBT $29.5M 0.39%
Republic Of South Africa Government International Bonds DBT $29.3M 0.39%
Ivory Coast DBT $29.1M 0.39%
Republic Of Ecuador DBT $29M 0.39%
Romania DBT $28.7M 0.38%
Republic Of South Africa DBT $28.7M 0.38%
Ma'aden Sukuk Ltd DBT $28.3M 0.38%
Navoi Mining Metallurgic DBT $28.1M 0.37%
The Federal Republic Of Nigeria DBT $27.7M 0.37%
Republic Of Angola DBT $27.6M 0.37%
Hungary DBT $27.3M 0.36%
Republic Of Paraguay DBT $27.1M 0.36%
Oman Government International Bonds DBT $27M 0.36%
Titulos De Tesoreria DBT $26.9M 0.36%
Samarco Mineracao Sa DBT $26.8M 0.36%
Republic Of Serbia DBT $26.7M 0.35%
Republic Of Ecuador DBT $26.6M 0.35%
Bangkok Bank Pcl/hk DBT $26.4M 0.35%
Green Palm Bidco Sarl DBT $26.3M 0.35%
Bank Mandiri Pt DBT $26.2M 0.35%
Republic Of Serbia DBT $26.1M 0.35%
Baiterek Natl Inv Hold DBT $26M 0.35%
Panama Government International Bonds DBT $25.7M 0.34%
Republic Of Colombia DBT $25.7M 0.34%

Showing top 60 of 504 holdings.

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