Full & Historical Holdings

Utilities Series


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Based on Market Value Based on Equivalent Exposure
CUSIP/SEDOL Ticker Securities
(on 09-30-25)
Shares or Par Amount Value Percent of Net Assets Value Percent of Net Assets Market Cap ($mm) GICS Sectors

The Global Industry Classification Standard (GICS®) was developed by and/or is the exclusive property of MSCI, Inc. and S&P Global Market Intelligence Inc. ("S&P Global Market Intelligence"). GICS is a service mark of MSCI and S&P Global Market Intelligence and has been licensed for use by MFS. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.

Country
65339F10 NEE US NextEra Energy Inc 1,714,869 $129,455,460.81 10.96% $129,455,460.81 10.96% 155,456.03 Utilities United States
21037T10 CEG US Constellation Energy Corp 281,587 $92,661,834.09 7.84% $92,661,834.09 7.84% 102,803.30 Utilities United States
98389B10 XEL US Xcel Energy Inc 817,056 $65,895,566.40 5.58% $65,895,566.40 5.58% 47,698.52 Utilities United States
69331C10 PCG US PG&E Corp 4,244,449 $64,006,290.92 5.42% $64,006,290.92 5.42% 33,143.39 Utilities United States
81685110 SRE US Sempra 663,042 $59,660,519.16 5.05% $59,660,519.16 5.05% 58,709.47 Utilities United States
92840M10 VST US Vistra Corp 293,977 $57,595,973.84 4.87% $57,595,973.84 4.87% 66,440.78 Utilities United States
23333110 DTE US DTE Energy Co 368,632 $52,135,623.76 4.41% $52,135,623.76 4.41% 29,359.14 Utilities United States
84258710 SO US Southern Co 492,829 $46,705,404.33 3.95% $46,705,404.33 3.95% 104,251.49 Utilities United States
25746U10 D US Dominion Energy Inc 759,274 $46,444,790.58 3.93% $46,444,790.58 3.93% 52,204.54 Utilities United States
02360810 AEE US Ameren Corp 436,114 $45,521,579.32 3.85% $45,521,579.32 3.85% 28,225.39 Utilities United States
476896 RWE GY RWE AG 972,622 $43,186,917.41 3.66% $43,186,917.41 3.66% 33,028.46 Utilities Germany
02553710 AEP US American Electric Power Co Inc 379,556 $42,700,050.00 3.61% $42,700,050.00 3.61% 60,164.41 Utilities United States
69351T10 PPL US PPL Corp 1,127,278 $41,889,650.48 3.55% $41,889,650.48 3.55% 27,480.39 Utilities United States
74457310 PEG US Public Service Enterprise Group Inc 492,200 $41,079,012.00 3.48% $41,079,012.00 3.48% 41,653.20 Utilities United States
28102010 EIX US Edison International 634,577 $35,079,416.56 2.97% $35,079,416.56 2.97% 21,273.62 Utilities United States
01880210 LNT US Alliant Energy Corp 503,064 $33,911,544.24 2.87% $33,911,544.24 2.87% 17,322.30 Utilities United States
72348410 PNW US Pinnacle West Capital Corp 295,607 $26,504,123.62 2.24% $26,504,123.62 2.24% 10,707.85 Utilities United States
079087 SSE LN SSE PLC 1,066,924 $24,988,889.52 2.11% $24,988,889.52 2.11% 25,949.15 Utilities United Kingdom
B39GNW EDPR PL EDP Renovaveis SA 1,622,018 $21,424,008.39 1.81% $21,424,008.39 1.81% 13,882.30 Utilities Portugal
04956010 ATO US Atmos Energy Corp 124,494 $21,257,350.50 1.80% $21,257,350.50 1.80% 27,409.40 Utilities United States
714456 ENEL IM Enel SpA 2,055,519 $19,495,431.42 1.65% $19,495,431.42 1.65% 96,425.19 Utilities Italy
73650884 POR US Portland General Electric Co 382,750 $16,841,000.00 1.43% $16,841,000.00 1.43% 4,820.74 Utilities United States
67083710 OGE US OGE Energy Corp 318,936 $14,757,168.72 1.25% $14,757,168.72 1.25% 9,318.55 Utilities United States
29364G10 ETR US Entergy Corp 157,800 $14,705,382.00 1.24% $14,705,382.00 1.24% 41,600.86 Utilities United States
BDR05C NG/ LN National Grid PLC 1,010,692 $14,570,745.42 1.23% $14,570,745.42 1.23% 71,525.32 Utilities United Kingdom
B39J2M UU/ LN United Utilities Group PLC 826,025 $12,736,709.52 1.08% $12,736,709.52 1.08% 10,514.41 Utilities United Kingdom
26441C20 DUK US Duke Energy Corp 100,553 $12,443,433.75 1.05% $12,443,433.75 1.05% 96,277.50 Utilities United States
410359 EDP PL EDP SA 2,587,011 $12,287,924.77 1.04% $12,287,924.77 1.04% 19,873.49 Utilities Portugal
65473P10 NI US NiSource Inc 276,315 $11,964,439.50 1.01% $11,964,439.50 1.01% 20,388.02 Utilities United States
92939U10 WEC US WEC Energy Group Inc 103,123 $11,816,864.57 1.00% $11,816,864.57 1.00% 36,882.67 Utilities United States
494290 EOAN GY E.ON SE 491,329 $9,238,169.67 0.78% $9,238,169.67 0.78% 49,663.16 Utilities Germany
15189T10 CNP US CenterPoint Energy Inc 230,667 $8,949,879.60 0.76% $8,949,879.60 0.76% 25,331.16 Utilities United States
403187 VIE FP Veolia Environnement SA 166,994 $5,705,281.49 0.48% $5,705,281.49 0.48% 25,340.68 Utilities France
36873610 GNRC US Generac Holdings Inc 23,073 $3,862,420.20 0.33% $3,862,420.20 0.33% 9,822.35 Industrials United States
505160 HTO GA Hellenic Telecommunications Organization SA 180,573 $3,417,467.90 0.29% $3,417,467.90 0.29% 7,643.20 Communication Services Greece
84857L10 SR US Laclede Group Inc/The 36,132 $2,945,480.64 0.25% $2,945,480.64 0.25% 4,811.72 Utilities United States
CASH CASH Cash & Cash Equivalents - $13,936,400.23 1.18% $13,860,987.02 1.17% - - -
CASH_DERV CASH_DERV Other - $-195,998.96 -0.02% $-120,585.75 -0.01% - - -

*Short positions, unlike long positions, lose value if the underlying asset gains value.

Portfolio characteristics are based on equivalent exposure, which measures how a portfolio's value would change due to price changes in an asset held either directly or, in the case of a derivative contract, indirectly. The market value of the holding may differ.
Other. Other consists of: (i) currency derivatives and/or (ii) any derivative offsets.
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