Full & Historical Holdings
Mid Cap Growth Series
View Historical Holdings by Month
| Based on Market Value | Based on Equivalent Exposure | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| CUSIP/SEDOL | Ticker |
Securities
(on 05-31-25)
|
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 | |
| 44320110 | HWM US | Howmet Aerospace Inc | 97,866 | $16,626,454.74 | 4.60% | $16,626,454.74 | 4.60% | 68,635.56 | Industrials | United States | |
| L8681T10 | SPOT US | Spotify Technology SA | 17,310 | $11,513,573.40 | 3.18% | $11,513,573.40 | 3.18% | 136,390.95 | Communication Services | Sweden | |
| 87405410 | TTWO US | Take-Two Interactive Software Inc | 49,414 | $11,181,399.92 | 3.09% | $11,181,399.92 | 3.09% | 40,147.71 | Communication Services | United States | |
| 40171V10 | GWRE US | Guidewire Software Inc | 48,876 | $10,509,317.52 | 2.91% | $10,509,317.52 | 2.91% | 18,036.09 | Information Technology | United States | |
| 92345Y10 | VRSK US | Verisk Analytics Inc | 28,790 | $9,044,090.60 | 2.50% | $9,044,090.60 | 2.50% | 43,966.41 | Industrials | United States | |
| 05464C10 | AXON US | Axon Enterprise Inc | 11,817 | $8,867,004.12 | 2.45% | $8,867,004.12 | 2.45% | 58,416.14 | Industrials | United States | |
| 50212V10 | LPLA US | LPL Financial Holdings Inc | 21,478 | $8,315,422.48 | 2.30% | $8,315,422.48 | 2.30% | 30,963.40 | Financials | United States | |
| 36357610 | AJG US | Arthur J Gallagher & Co | 22,467 | $7,805,934.48 | 2.16% | $7,805,934.48 | 2.16% | 88,979.38 | Financials | United States | |
| 90225210 | TYL US | Tyler Technologies Inc | 13,342 | $7,698,200.58 | 2.13% | $7,698,200.58 | 2.13% | 24,881.86 | Information Technology | United States | |
| B15C4L | CSU CN | Constellation Software Inc/Canada | 2,039 | $7,392,847.77 | 2.04% | $7,392,847.77 | 2.04% | 76,836.31 | Information Technology | Canada | |
| 92974010 | WAB US | Westinghouse Air Brake Technologies Corp | 35,449 | $7,172,041.68 | 1.98% | $7,172,041.68 | 1.98% | 34,622.28 | Industrials | United States | |
| 53803410 | LYV US | Live Nation Entertainment Inc | 49,647 | $6,811,071.93 | 1.88% | $6,811,071.93 | 1.88% | 32,114.81 | Communication Services | United States | |
| 16411R20 | LNG US | Cheniere Energy Inc | 28,644 | $6,788,341.56 | 1.88% | $6,788,341.56 | 1.88% | 52,801.37 | Energy | United States | |
| 77104910 | RBLX US | ROBLOX Corp | 74,084 | $6,443,826.32 | 1.78% | $6,443,826.32 | 1.78% | 58,950.70 | Communication Services | United States | |
| 57479510 | MASI US | Masimo Corp | 38,674 | $6,284,525.00 | 1.74% | $6,284,525.00 | 1.74% | 8,810.61 | Health Care | United States | |
| 89400J10 | TRU US | TransUnion | 68,594 | $5,873,704.22 | 1.62% | $5,873,704.22 | 1.62% | 16,709.88 | Industrials | United States | |
| 63230710 | NTRA US | Natera Inc | 36,936 | $5,825,915.28 | 1.61% | $5,825,915.28 | 1.61% | 21,537.49 | Health Care | United States | |
| 03990B10 | ARES US | Ares Management Corp | 34,832 | $5,764,696.00 | 1.59% | $5,764,696.00 | 1.59% | 36,142.88 | Financials | United States | |
| 25213110 | DXCM US | Dexcom Inc | 66,820 | $5,733,156.00 | 1.59% | $5,733,156.00 | 1.59% | 33,642.82 | Health Care | United States | |
| 10919410 | BFAM US | Bright Horizons Family Solutions Inc | 43,874 | $5,668,520.80 | 1.57% | $5,668,520.80 | 1.57% | 7,426.29 | Consumer Discretionary | United States | |
| 16516773 | EXE US | Expand Energy Corp | 48,668 | $5,651,814.84 | 1.56% | $5,651,814.84 | 1.56% | 27,636.55 | Energy | United States | |
| 92840M10 | VST US | Vistra Corp | 34,557 | $5,548,817.49 | 1.53% | $5,548,817.49 | 1.53% | 54,601.51 | Utilities | United States | |
| 87256C10 | TKO US | TKO Group Holdings Inc | 34,491 | $5,443,024.71 | 1.51% | $5,443,024.71 | 1.51% | 12,900.57 | Communication Services | United States | |
| 92916010 | VMC US | Vulcan Materials Co | 20,051 | $5,314,918.57 | 1.47% | $5,314,918.57 | 1.47% | 35,016.68 | Materials | United States | |
| 44357310 | HUBS US | HubSpot Inc | 9,000 | $5,309,100.00 | 1.47% | $5,309,100.00 | 1.47% | 31,109.89 | Information Technology | United States | |
| 22266T10 | CPNG US | Coupang Inc | 188,560 | $5,289,108.00 | 1.46% | $5,289,108.00 | 1.46% | 50,686.35 | Consumer Discretionary | South Korea | |
| 92247510 | VEEV US | Veeva Systems Inc | 18,536 | $5,184,519.20 | 1.43% | $5,184,519.20 | 1.43% | 45,578.37 | Health Care | United States | |
| 04351P10 | ASND US | Ascendis Pharma AS ADR | 31,332 | $5,102,102.88 | 1.41% | $5,102,102.88 | 1.41% | 9,928.45 | Health Care | Denmark | |
| 21720410 | CPRT US | Copart Inc | 92,814 | $4,778,064.72 | 1.32% | $4,778,064.72 | 1.32% | 49,734.47 | Industrials | United States | |
| 67103H10 | ORLY US | O'Reilly Automotive Inc | 3,430 | $4,690,525.00 | 1.30% | $4,690,525.00 | 1.30% | 78,103.40 | Consumer Discretionary | United States | |
| 67929510 | OKTA US | Okta Inc | 44,890 | $4,631,301.30 | 1.28% | $4,631,301.30 | 1.28% | 17,895.76 | Information Technology | United States | |
| 12504L10 | CBRE US | CBRE Group Inc | 36,509 | $4,564,355.18 | 1.26% | $4,564,355.18 | 1.26% | 37,453.99 | Real Estate | United States | |
| 60983910 | MPWR US | Monolithic Power Systems Inc | 6,868 | $4,545,929.20 | 1.26% | $4,545,929.20 | 1.26% | 31,691.77 | Information Technology | United States | |
| G8473T10 | STE US | STERIS PLC | 18,042 | $4,424,078.82 | 1.22% | $4,424,078.82 | 1.22% | 24,121.87 | Health Care | United States | |
| 12738710 | CDNS US | Cadence Design Systems Inc | 15,343 | $4,404,515.01 | 1.22% | $4,404,515.01 | 1.22% | 78,382.17 | Information Technology | United States | |
| 26142V10 | DKNG US | DraftKings Inc | 122,631 | $4,400,000.28 | 1.22% | $4,400,000.28 | 1.22% | 17,808.64 | Consumer Discretionary | United States | |
| 61770010 | MORN US | Morningstar Inc | 14,126 | $4,356,740.92 | 1.20% | $4,356,740.92 | 1.20% | 13,108.16 | Financials | United States | |
| 567151 | WKL NA | Wolters Kluwer NV | 24,309 | $4,314,138.53 | 1.19% | $4,314,138.53 | 1.19% | 42,329.66 | Industrials | Netherlands | |
| 55354G10 | MSCI US | MSCI Inc | 7,458 | $4,206,461.16 | 1.16% | $4,206,461.16 | 1.16% | 43,769.08 | Financials | United States | |
| 22160N10 | CSGP US | CoStar Group Inc | 56,503 | $4,156,360.68 | 1.15% | $4,156,360.68 | 1.15% | 31,127.65 | Real Estate | United States | |
| 77070010 | HOOD US | Robinhood Markets Inc | 58,616 | $3,877,448.40 | 1.07% | $3,877,448.40 | 1.07% | 58,514.64 | Financials | United States | |
| 63110310 | NDAQ US | Nasdaq Inc | 45,505 | $3,801,487.70 | 1.05% | $3,801,487.70 | 1.05% | 47,962.12 | Financials | United States | |
| 12201710 | BURL US | Burlington Stores Inc | 16,350 | $3,732,214.50 | 1.03% | $3,732,214.50 | 1.03% | 14,400.87 | Consumer Discretionary | United States | |
| 36168Q10 | GFL US | GFL Environmental Inc | 73,537 | $3,708,470.91 | 1.03% | $3,708,470.91 | 1.03% | 19,245.30 | Industrials | Canada | |
| 23804L10 | DDOG US | Datadog Inc | 31,417 | $3,703,435.96 | 1.02% | $3,703,435.96 | 1.02% | 40,658.11 | Information Technology | United States | |
| 03110010 | AME US | AMETEK Inc | 20,686 | $3,697,415.64 | 1.02% | $3,697,415.64 | 1.02% | 41,267.31 | Industrials | United States | |
| 14316J10 | CG US | Carlyle Group Inc | 77,774 | $3,515,384.80 | 0.97% | $3,515,384.80 | 0.97% | 16,323.34 | Financials | United States | |
| 81762P10 | NOW US | ServiceNow Inc | 3,358 | $3,395,240.22 | 0.94% | $3,395,240.22 | 0.94% | 209,278.34 | Information Technology | United States | |
| 89267210 | TW US | Tradeweb Markets Inc | 23,406 | $3,380,996.70 | 0.94% | $3,380,996.70 | 0.94% | 30,821.59 | Financials | United States | |
| 36665110 | IT US | Gartner Inc | 7,179 | $3,133,059.18 | 0.87% | $3,133,059.18 | 0.87% | 33,773.23 | Information Technology | United States | |
| 14686910 | CVNA US | Carvana Co | 8,827 | $2,887,841.32 | 0.80% | $2,887,841.32 | 0.80% | 44,174.27 | Consumer Discretionary | United States | |
| 97415510 | WING US | Wingstop Inc | 8,274 | $2,827,225.80 | 0.78% | $2,827,225.80 | 0.78% | 9,534.46 | Consumer Discretionary | United States | |
| 00846U10 | A US | Agilent Technologies Inc | 24,482 | $2,740,025.44 | 0.76% | $2,740,025.44 | 0.76% | 31,908.70 | Health Care | United States | |
| 05550J10 | BJ US | BJ's Wholesale Club Holdings Inc | 24,164 | $2,735,606.44 | 0.76% | $2,735,606.44 | 0.76% | 14,949.46 | Consumer Staples | United States | |
| 94184810 | WAT US | Waters Corp | 7,773 | $2,714,642.52 | 0.75% | $2,714,642.52 | 0.75% | 20,782.95 | Health Care | United States | |
| 03852U10 | ARMK US | Aramark | 66,074 | $2,675,997.00 | 0.74% | $2,675,997.00 | 0.74% | 10,642.59 | Consumer Discretionary | United States | |
| 74762E10 | PWR US | Quanta Services Inc | 7,446 | $2,550,701.76 | 0.71% | $2,550,701.76 | 0.71% | 50,788.97 | Industrials | United States | |
| 87265710 | TPG US | TPG Inc | 49,352 | $2,375,311.76 | 0.66% | $2,375,311.76 | 0.66% | 6,641.50 | Financials | United States | |
| 69370C10 | PTC US | PTC Inc | 13,660 | $2,299,251.20 | 0.64% | $2,299,251.20 | 0.64% | 20,189.62 | Information Technology | United States | |
| 00091G10 | ACVA US | ACV Auctions Inc | 126,838 | $2,077,606.44 | 0.57% | $2,077,606.44 | 0.57% | 2,802.04 | Industrials | United States | |
| 44857910 | H US | Hyatt Hotels Corp | 15,715 | $2,074,851.45 | 0.57% | $2,074,851.45 | 0.57% | 12,599.75 | Consumer Discretionary | United States | |
| 13321L10 | CCJ US | Cameco Corp | 34,781 | $2,035,731.93 | 0.56% | $2,035,731.93 | 0.56% | 25,479.10 | Energy | Canada | |
| 74736L10 | QTWO US | Q2 Holdings Inc | 23,114 | $2,022,937.28 | 0.56% | $2,022,937.28 | 0.56% | 5,452.85 | Information Technology | United States | |
| M7518J10 | ODD US | Oddity Tech Ltd | 26,278 | $1,955,871.54 | 0.54% | $1,955,871.54 | 0.54% | 4,155.28 | Consumer Staples | Israel | |
| 17134010 | CHD US | Church & Dwight Co Inc | 17,878 | $1,757,586.18 | 0.49% | $1,757,586.18 | 0.49% | 24,211.52 | Consumer Staples | United States | |
| N1450610 | ESTC US | Elastic NV | 21,364 | $1,727,706.68 | 0.48% | $1,727,706.68 | 0.48% | 8,534.62 | Information Technology | United States | |
| 16965610 | CMG US | Chipotle Mexican Grill Inc | 33,505 | $1,677,930.40 | 0.46% | $1,677,930.40 | 0.46% | 67,597.48 | Consumer Discretionary | United States | |
| 85223410 | XYZ US | Block Inc | 23,875 | $1,474,281.25 | 0.41% | $1,474,281.25 | 0.41% | 38,092.03 | Financials | United States | |
| 70557310 | PEGA US | Pegasystems Inc | 14,252 | $1,398,833.80 | 0.39% | $1,398,833.80 | 0.39% | 8,399.90 | Information Technology | United States | |
| 92537N10 | VRT US | Vertiv Holdings Co | 12,834 | $1,385,173.62 | 0.38% | $1,385,173.62 | 0.38% | 41,132.68 | Industrials | United States | |
| 25667710 | DG US | Dollar General Corp | 13,905 | $1,352,261.25 | 0.37% | $1,352,261.25 | 0.37% | 21,389.85 | Consumer Staples | United States | |
| 42829110 | HXL US | Hexcel Corp | 24,721 | $1,307,493.69 | 0.36% | $1,307,493.69 | 0.36% | 4,252.95 | Industrials | United States | |
| 89364110 | TDG US | TransDigm Group Inc | 881 | $1,293,686.83 | 0.36% | $1,293,686.83 | 0.36% | 82,561.01 | Industrials | United States | |
| 30063P10 | EXAS US | Exact Sciences Corp | 22,604 | $1,272,153.12 | 0.35% | $1,272,153.12 | 0.35% | 10,616.53 | Health Care | United States | |
| 16679L10 | CHWY US | Chewy Inc | 27,873 | $1,261,253.25 | 0.35% | $1,261,253.25 | 0.35% | 18,714.99 | Consumer Discretionary | United States | |
| 56275010 | MANH US | Manhattan Associates Inc | 6,579 | $1,241,983.62 | 0.34% | $1,241,983.62 | 0.34% | 11,461.78 | Information Technology | United States | |
| 44351060 | HUBB US | Hubbell Inc | 3,122 | $1,216,268.76 | 0.34% | $1,216,268.76 | 0.34% | 20,793.05 | Industrials | United States | |
| H8088L10 | SRAD US | Sportradar Group AG | 49,617 | $1,186,342.47 | 0.33% | $1,186,342.47 | 0.33% | 7,160.09 | Consumer Discretionary | Switzerland | |
| 89235610 | TSCO US | Tractor Supply Co | 23,873 | $1,155,453.20 | 0.32% | $1,155,453.20 | 0.32% | 25,712.02 | Consumer Discretionary | United States | |
| 05478C10 | AZEK US | AZEK Co Inc | 21,949 | $1,086,694.99 | 0.30% | $1,086,694.99 | 0.30% | 7,122.23 | Industrials | United States | |
| 18915M10 | NET US | Cloudflare Inc | 5,855 | $971,285.95 | 0.27% | $971,285.95 | 0.27% | 57,485.70 | Information Technology | United States | |
| BNGDN8 | MRO LN | Melrose Industries PLC | 152,030 | $958,844.90 | 0.27% | $958,844.90 | 0.27% | 8,032.91 | Industrials | United Kingdom | |
| 23156110 | CW US | Curtiss-Wright Corp | 2,118 | $932,152.98 | 0.26% | $932,152.98 | 0.26% | 16,603.59 | Industrials | United States | |
| 09073M10 | TECH US | Techne Corp | 18,960 | $917,664.00 | 0.25% | $917,664.00 | 0.25% | 7,587.54 | Health Care | United States | |
| 05605H10 | BWXT US | BWX Technologies Inc | 7,303 | $917,256.80 | 0.25% | $917,256.80 | 0.25% | 11,474.91 | Industrials | United States | |
| 33975010 | FND US | Floor & Decor Holdings Inc | 10,932 | $783,715.08 | 0.22% | $783,715.08 | 0.22% | 7,714.27 | Consumer Discretionary | United States | |
| 04626A10 | ALAB US | Astera Labs Inc | 8,229 | $746,534.88 | 0.21% | $746,534.88 | 0.21% | 14,961.25 | Information Technology | United States | |
| 81764X10 | TTAN US | ServiceTitan Inc | 6,689 | $740,271.63 | 0.20% | $740,271.63 | 0.20% | 9,965.61 | Information Technology | United States | |
| 30212P30 | EXPE US | Expedia Group Inc | 2,794 | $465,899.50 | 0.13% | $465,899.50 | 0.13% | 21,301.15 | Consumer Discretionary | United States | |
| 12514G10 | CDW US | CDW Corp/DE | 2,444 | $440,799.84 | 0.12% | $440,799.84 | 0.12% | 23,753.41 | Information Technology | United States | |
| 81730H10 | S US | SentinelOne Inc | 25,036 | $440,883.96 | 0.12% | $440,883.96 | 0.12% | 5,830.18 | Information Technology | United States | |
| 91820410 | VFC US | VF Corp | 28,228 | $351,720.88 | 0.10% | $351,720.88 | 0.10% | 4,856.21 | Consumer Discretionary | United States | |
| 88023B10 | TEM US | Tempus AI Inc | 5,512 | $304,152.16 | 0.08% | $304,152.16 | 0.08% | 9,539.96 | Health Care | United States | |
| CASH_DERV | CASH_DERV | Other | - | $0.00 | 0.00% | $17,182.18 | 0.00% | - | - | - | |
| CASH | CASH | Cash & Cash Equivalents | - | $3,252,677.41 | 0.90% | $3,235,495.23 | 0.89% | - | - | - | |
*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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