Full & Historical Holdings

Mid Cap Growth Fund


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Based on Market Value Based on Equivalent Exposure
CUSIP/SEDOL Ticker Securities
(on 04-30-26)
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
60983910 MPWR US Monolithic Power Systems Inc 383,934 $619,826,888.94 4.55% $619,826,888.94 4.55% 79,314.35 Information Technology United States
44320110 HWM US Howmet Aerospace Inc 2,239,172 $544,208,362.88 4.00% $544,208,362.88 4.00% 97,609.97 Industrials United States
74762E10 PWR US Quanta Services Inc 664,501 $483,603,892.77 3.55% $483,603,892.77 3.55% 109,206.78 Industrials United States
87405410 TTWO US Take-Two Interactive Software Inc 1,877,458 $401,325,422.08 2.95% $401,325,422.08 2.95% 39,583.11 Communication Services United States
53803410 LYV US Live Nation Entertainment Inc 2,146,807 $339,066,697.58 2.49% $339,066,697.58 2.49% 37,182.39 Communication Services United States
50212V10 LPLA US LPL Financial Holdings Inc 893,743 $298,626,348.59 2.19% $298,626,348.59 2.19% 26,793.24 Financials United States
K0858810 ASND US Ascendis Pharma AS 1,273,836 $292,192,501.68 2.15% $292,192,501.68 2.15% 14,308.00 Health Care Denmark
57479510 MASI US Masimo Corp 1,635,871 $291,888,462.53 2.14% $291,888,462.53 2.14% 9,343.10 Health Care United States
16411R20 LNG US Cheniere Energy Inc 1,024,185 $281,599,665.75 2.07% $281,599,665.75 2.07% 58,399.38 Energy United States
63230710 NTRA US Natera Inc 1,345,572 $277,403,123.52 2.04% $277,403,123.52 2.04% 29,219.31 Health Care United States
12201710 BURL US Burlington Stores Inc 828,361 $265,083,803.61 1.95% $265,083,803.61 1.95% 20,106.32 Consumer Discretionary United States
87256C10 TKO US TKO Group Holdings Inc 1,424,248 $265,038,310.32 1.95% $265,038,310.32 1.95% 14,508.76 Communication Services United States
92840M10 VST US Vistra Corp 1,607,651 $253,751,633.84 1.86% $253,751,633.84 1.86% 53,436.62 Utilities United States
63110310 NDAQ US Nasdaq Inc 2,599,820 $238,949,456.20 1.76% $238,949,456.20 1.76% 51,978.85 Financials United States
14686910 CVNA US Carvana Co 564,883 $223,580,691.40 1.64% $223,580,691.40 1.64% 56,701.39 Consumer Discretionary United States
92916010 VMC US Vulcan Materials Co 725,769 $218,993,538.06 1.61% $218,993,538.06 1.61% 39,316.72 Materials United States
G93A5A10 VIK US Viking Holdings Ltd 2,656,473 $217,591,703.43 1.60% $217,591,703.43 1.60% 36,505.48 Consumer Discretionary United States
29084Q10 EME US EMCOR Group Inc 242,423 $216,161,316.41 1.59% $216,161,316.41 1.59% 39,697.15 Industrials United States
18915M10 NET US Cloudflare Inc 1,026,868 $210,477,133.96 1.55% $210,477,133.96 1.55% 72,126.28 Information Technology United States
13321L10 CCJ US Cameco Corp 1,692,308 $208,221,576.32 1.53% $208,221,576.32 1.53% 53,578.75 Energy Canada
44857910 H US Hyatt Hotels Corp 1,211,795 $203,060,488.15 1.49% $203,060,488.15 1.49% 15,852.79 Consumer Discretionary United States
G7997R10 STX US Seagate Technology Holdings PLC 298,321 $200,960,958.44 1.48% $200,960,958.44 1.48% 151,049.62 Information Technology United States
05464C10 AXON US Axon Enterprise Inc 477,302 $191,760,851.52 1.41% $191,760,851.52 1.41% 32,370.69 Industrials United States
17177930 CIEN US Ciena Corp 350,612 $184,975,878.96 1.36% $184,975,878.96 1.36% 74,627.77 Information Technology United States
14316J10 CG US Carlyle Group Inc 3,643,320 $182,421,032.40 1.34% $182,421,032.40 1.34% 18,083.84 Financials United States
77104910 RBLX US ROBLOX Corp 3,174,286 $175,411,044.36 1.29% $175,411,044.36 1.29% 39,143.92 Communication Services United States
23156110 CW US Curtiss-Wright Corp 242,420 $174,590,884.00 1.28% $174,590,884.00 1.28% 26,580.54 Industrials United States
19247G10 COHR US Coherent Corp 535,072 $171,067,869.12 1.26% $171,067,869.12 1.26% 62,429.78 Information Technology United States
92537N10 VRT US Vertiv Holdings Co 518,765 $170,409,114.85 1.25% $170,409,114.85 1.25% 126,175.91 Industrials United States
67103H10 ORLY US O'Reilly Automotive Inc 1,546,340 $153,706,196.00 1.13% $153,706,196.00 1.13% 83,167.93 Consumer Discretionary United States
516529 ASM NA ASM International NV 155,844 $152,639,660.95 1.12% $152,639,660.95 1.12% 48,314.30 Information Technology Netherlands
97415510 WING US Wingstop Inc 905,454 $148,548,783.24 1.09% $148,548,783.24 1.09% 4,467.77 Consumer Discretionary United States
05605H10 BWXT US BWX Technologies Inc 684,877 $148,200,534.03 1.09% $148,200,534.03 1.09% 19,823.90 Industrials United States
87603010 TPR US Tapestry Inc 1,015,696 $147,316,547.84 1.08% $147,316,547.84 1.08% 29,399.61 Consumer Discretionary United States
12504L10 CBRE US CBRE Group Inc 998,276 $142,483,933.48 1.05% $142,483,933.48 1.05% 41,797.20 Real Estate United States
42829110 HXL US Hexcel Corp 1,483,161 $139,224,323.07 1.02% $139,224,323.07 1.02% 7,080.35 Industrials United States
46631310 JBL US Jabil Inc 407,729 $137,604,460.21 1.01% $137,604,460.21 1.01% 35,712.52 Information Technology United States
00846U10 A US Agilent Technologies Inc 1,174,080 $135,664,944.00 1.00% $135,664,944.00 1.00% 32,665.52 Health Care United States
G8473T10 STE US STERIS PLC 596,923 $129,460,660.24 0.95% $129,460,660.24 0.95% 21,275.93 Health Care United States
44351060 HUBB US Hubbell Inc 237,942 $120,914,986.14 0.89% $120,914,986.14 0.89% 27,062.09 Industrials United States
75524B10 RBC US RBC Bearings Inc 195,223 $116,956,147.07 0.86% $116,956,147.07 0.86% 18,942.63 Industrials United States
94184810 WAT US Waters Corp 373,631 $115,537,914.13 0.85% $115,537,914.13 0.85% 30,355.71 Health Care United States
16516773 EXE US Expand Energy Corp 1,127,301 $115,153,797.15 0.85% $115,153,797.15 0.85% 24,524.78 Energy United States
26142V10 DKNG US DraftKings Inc 4,908,785 $114,472,866.20 0.84% $114,472,866.20 0.84% 11,560.72 Consumer Discretionary United States
89623910 TRMB US Trimble Inc 1,687,473 $113,600,682.36 0.83% $113,600,682.36 0.83% 15,887.52 Information Technology United States
03852U10 ARMK US Aramark 2,474,197 $113,046,060.93 0.83% $113,046,060.93 0.83% 12,008.98 Consumer Discretionary United States
22266T10 CPNG US Coupang Inc 5,413,854 $108,168,802.92 0.79% $108,168,802.92 0.79% 36,423.54 Consumer Discretionary South Korea
03110010 AME US AMETEK Inc 454,724 $107,087,502.00 0.79% $107,087,502.00 0.79% 53,944.91 Industrials United States
09073M10 TECH US Techne Corp 1,909,638 $105,641,174.16 0.78% $105,641,174.16 0.78% 8,655.00 Health Care United States
40171V10 GWRE US Guidewire Software Inc 760,060 $105,184,703.40 0.77% $105,184,703.40 0.77% 11,715.75 Information Technology United States
75991610 RGEN US Repligen Corp 862,365 $102,026,403.15 0.75% $102,026,403.15 0.75% 6,672.60 Health Care United States
71377A10 PFGC US Performance Food Group Co 1,073,573 $97,222,770.88 0.71% $97,222,770.88 0.71% 14,226.88 Consumer Staples United States
V7780T10 RCL US Royal Caribbean Cruises Ltd 366,172 $96,581,526.72 0.71% $96,581,526.72 0.71% 70,738.51 Consumer Discretionary United States
67929510 OKTA US Okta Inc 1,272,828 $93,743,782.20 0.69% $93,743,782.20 0.69% 13,062.34 Information Technology United States
58507V10 MDLN US Medline Inc 2,051,466 $91,228,693.02 0.67% $91,228,693.02 0.67% 58,433.58 Health Care United States
12738710 CDNS US Cadence Design Systems Inc 271,631 $89,526,861.29 0.66% $89,526,861.29 0.66% 90,997.19 Information Technology United States
02043Q10 ALNY US Alnylam Pharmaceuticals Inc 285,915 $88,487,833.35 0.65% $88,487,833.35 0.65% 41,294.61 Health Care United States
09371210 BE US Bloom Energy Corp 297,896 $84,411,810.56 0.62% $84,411,810.56 0.62% 80,600.02 Industrials United States
55405Y10 MTSI US MACOM Technology Solutions Holdings Inc 299,558 $84,358,528.38 0.62% $84,358,528.38 0.62% 21,124.12 Information Technology United States
98074510 WWD US Woodward Inc 228,627 $82,989,314.73 0.61% $82,989,314.73 0.61% 21,691.56 Industrials United States
03820C10 AIT US Applied Industrial Technologies Inc 263,633 $80,605,789.75 0.59% $80,605,789.75 0.59% 11,430.16 Industrials United States
03674X10 AR US Antero Resources Corp 2,038,115 $80,016,394.90 0.59% $80,016,394.90 0.59% 12,164.16 Energy United States
09057220 BIO US Bio-Rad Laboratories Inc 276,995 $77,591,839.40 0.57% $77,591,839.40 0.57% 7,560.44 Health Care United States
60782810 MOD US Modine Manufacturing Co 292,460 $74,469,089.80 0.55% $74,469,089.80 0.55% 13,444.46 Industrials United States
45232710 ILMN US Illumina Inc 580,685 $73,596,016.90 0.54% $73,596,016.90 0.54% 19,391.22 Health Care United States
15986410 CRL US Charles River Laboratories International Inc 428,020 $71,466,499.40 0.52% $71,466,499.40 0.52% 8,238.63 Health Care United States
69047Q10 OVV US Ovintiv Inc 1,129,797 $69,539,005.35 0.51% $69,539,005.35 0.51% 17,439.30 Energy United States
23345M10 DTM US DT Midstream Inc 443,601 $65,648,511.99 0.48% $65,648,511.99 0.48% 15,097.07 Energy United States
36873610 GNRC US Generac Holdings Inc 250,658 $64,978,073.34 0.48% $64,978,073.34 0.48% 15,230.80 Industrials United States
44641310 HII US Huntington Ingalls Industries Inc 175,844 $64,058,210.76 0.47% $64,058,210.76 0.47% 14,344.71 Industrials United States
25213110 DXCM US Dexcom Inc 1,063,871 $63,353,518.05 0.47% $63,353,518.05 0.47% 22,980.35 Health Care United States
31488V10 FERG US Ferguson Enterprises Inc 231,710 $62,031,084.10 0.46% $62,031,084.10 0.46% 52,443.32 Industrials United States
25765110 DCI US Donaldson Co Inc 674,881 $59,504,257.77 0.44% $59,504,257.77 0.44% 10,211.34 Industrials United States
23804L10 DDOG US Datadog Inc 442,150 $58,447,808.50 0.43% $58,447,808.50 0.43% 46,600.41 Information Technology United States
L8681T10 SPOT US Spotify Technology SA 130,156 $58,121,161.80 0.43% $58,121,161.80 0.43% 91,914.73 Communication Services Sweden
53122975 FWONK US Liberty Media Corp-Liberty Formula One 658,386 $56,588,276.70 0.42% $56,588,276.70 0.42% 21,528.24 Communication Services United States
G0260P10 AS US Amer Sports Inc 1,598,911 $56,073,808.77 0.41% $56,073,808.77 0.41% 20,279.99 Consumer Discretionary Finland
77070010 HOOD US Robinhood Markets Inc 720,420 $52,511,413.80 0.39% $52,511,413.80 0.39% 65,689.85 Financials United States
36168Q10 GFL US GFL Environmental Inc 1,299,458 $52,121,260.38 0.38% $52,121,260.38 0.38% 14,880.29 Industrials Canada
004561 ANTO LN Antofagasta PLC 1,042,603 $51,705,706.16 0.38% $51,270,571.29 0.38% 48,480.04 Materials United Kingdom
14365830 CCL US Carnival Corp 1,926,937 $51,083,099.87 0.38% $51,083,099.87 0.38% 36,716.35 Consumer Discretionary United States
31677310 FITB US Fifth Third Bancorp 995,658 $50,539,600.08 0.37% $50,539,600.08 0.37% 45,979.58 Financials United States
65566310 NDSN US Nordson Corp 166,154 $47,927,121.30 0.35% $47,927,121.30 0.35% 16,090.89 Industrials United States
60937P10 MDB US MongoDB Inc 189,095 $47,430,698.85 0.35% $47,430,698.85 0.35% 20,190.06 Information Technology United States
H8088L10 SRAD US Sportradar Group AG 3,626,486 $47,325,642.30 0.35% $47,325,642.30 0.35% 4,068.43 Consumer Discretionary Switzerland
53390010 LECO US Lincoln Electric Holdings Inc 168,944 $44,770,160.00 0.33% $44,770,160.00 0.33% 14,534.19 Industrials United States
91820410 VFC US VF Corp 2,298,578 $43,512,081.54 0.32% $43,512,081.54 0.32% 7,406.62 Consumer Discretionary United States
G8711010 FTI US TechnipFMC PLC 561,350 $42,421,219.50 0.31% $42,421,219.50 0.31% 30,280.90 Energy United States
76155X10 RVMD US Revolution Medicines Inc 282,948 $40,778,465.76 0.30% $40,778,465.76 0.30% 30,638.84 Health Care United States
01387210 AA US Alcoa Inc 629,062 $40,127,864.98 0.29% $40,127,864.98 0.29% 16,831.79 Materials United States
45687V10 IR US INGERSOLL-RAND INC 499,262 $39,871,063.32 0.29% $39,871,063.32 0.29% 31,252.16 Industrials United States
BZ3DNP AGI CN Alamos Gold Inc 949,462 $37,884,816.43 0.28% $37,884,816.43 0.28% 16,756.46 Materials Canada
14892910 CAVA US Cava Group Inc 341,451 $31,894,937.91 0.23% $31,894,937.91 0.23% 10,874.08 Consumer Discretionary United States
33975010 FND US Floor & Decor Holdings Inc 624,382 $30,220,088.80 0.22% $30,220,088.80 0.22% 5,231.76 Consumer Discretionary United States
89055F10 BLD US TopBuild Corp 63,056 $27,914,891.20 0.20% $27,914,891.20 0.20% 12,426.15 Consumer Discretionary United States
G4124C10 GRAB US Grab Holdings Ltd 7,245,360 $27,677,275.20 0.20% $27,677,275.20 0.20% 15,621.83 Industrials Singapore
15118V20 CELH US Celsius Holdings Inc 775,983 $26,049,749.31 0.19% $26,049,749.31 0.19% 8,624.33 Consumer Staples United States
80706P10 SRRK US Scholar Rock Holding Corp 547,097 $25,500,191.17 0.19% $25,500,191.17 0.19% 5,354.70 Health Care United States
89235610 TSCO US Tractor Supply Co 610,552 $21,430,375.20 0.16% $21,430,375.20 0.16% 18,498.30 Consumer Discretionary United States
04339D10 ARXS US Arxis Inc 592,781 $20,747,335.00 0.15% $20,747,335.00 0.15% 2,440.51 Industrials United States
65011110 NYT US New York Times Co 225,567 $17,826,560.01 0.13% $17,826,560.01 0.13% 12,789.42 Communication Services United States
92333F10 VG US Venture Global Inc 1,261,169 $16,735,712.63 0.12% $16,735,712.63 0.12% 32,604.39 Energy United States
89400J10 TRU US TransUnion 232,682 $16,520,422.00 0.12% $16,520,422.00 0.12% 13,688.80 Industrials United States
05550J10 BJ US BJ's Wholesale Club Holdings Inc 154,104 $14,468,824.56 0.11% $14,468,824.56 0.11% 12,175.34 Consumer Staples United States
G6543112 NE US Noble Corp PLC 274,015 $13,982,985.45 0.10% $13,982,985.45 0.10% 8,141.63 Energy United States
14428510 CRS US Carpenter Technology Corp 31,473 $13,483,033.20 0.10% $13,476,738.60 0.10% 21,328.21 Industrials United States
M6191J10 FROG US JFrog Ltd 261,740 $12,155,205.60 0.09% $12,155,205.60 0.09% 5,626.55 Information Technology United States
60365F10 MMED US MiniMed Group Inc 721,566 $8,904,124.44 0.07% $8,904,124.44 0.07% 3,465.32 Health Care United States
CASH_USD CASH_USD Cash & Cash Equivalents - $79,590,761.27 0.58% $79,247,504.65 0.58% - - -
CASH_DERV - Other - $-0.01 0.00% $343,256.61 0.00% - - Other

*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.

The list of portfolio holdings is as of the date shown and may not represent current or future portfolio composition. This information should not be construed as a recommendation to buy or sell any of the securities mentioned.

This portfolio data has not been audited or adjusted for certain financial statement reclassifications. An audit could potentially result in adjustments to this data. For adjusted holdings information, please refer to the fund's quarterly portfolio holdings and semiannual reports. For audited portfolio holdings information, please refer to the fund's annual report.

A complete list of portfolio holdings for each MFS fund is generally available on mfs.com at the earliest, 19 days after the end of each month. Top 10 portfolio holdings are generally available at the earliest, 11 calendar days after the end of each month.

When posting a fund's top 10 securities holdings, if applicable, for funds with significant investments in both equity and debt instrument securities, the fund's top 10 equity and top 10 debt instrument securities will be made available. In addition, for funds that primarily invest in shares of MFS funds, when posting a fund's top 10 securities holdings, all of the following, as applicable, will be posted all securities positions in shares of MFS funds, top 10 aggregated equity securities contained within fund investments and top 10 aggregated debt instrument securities positions contained within underlying fund investments.

 

This website is a general communication and is provided for informational and/or educational purposes only. None of the content should be viewed as a suggestion that you take or refrain from taking any action nor as a recommendation for any specific investment product, strategy, plan feature or other such purpose. Your use of this website indicates that you agree with the intended purpose. Prior to making any investment or financial decision, you should seek individualized advice from a personal financial, tax, and other professionals who are able to provide advice in the context of your particular financial situation.

The information provided on this page should be read in conjunction with the fund's prospectus or summary prospectus for the portfolio being offered, which are available online here or by contacting MFS. Consider the fund's investment objectives, risks, charges, and expenses, and otherwise read these documents carefully before you invest. Shares of the funds are not FDIC-insured and are not deposits or other obligations of, or guaranteed by, any bank. Shares of the funds involve investment risk, including possible loss of principal. 

MFS registered investment products are offered through MFS® Fund Distributors, Inc., Member SIPC, 111 Huntington Avenue, Boston, MA 02199.

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