Holdings

MFS Mid Cap Growth Fund

As of May 31, 2026, MFS Mid Cap Growth Fund reported 106 positions worth US$13.7B. Largest: Monolithic Power Systems, Inc., Howmet Aerospace Inc. and Quanta Services, Inc. What it bought and sold, with each filing.

CompanySharesValue as reportedChangeAs of
Monolithic Power Systems, Inc.375KUS$587M−10,727May 31, 2026
Howmet Aerospace Inc.2.11MUS$544M−195KMay 31, 2026
Quanta Services, Inc.646KUS$460M−21,473May 31, 2026
Take-two Interactive Software, Inc.1.67MUS$375M−212KMay 31, 2026
Live Nation Entertainment, Inc.2.15MUS$362M−9,946May 31, 2026
Natera, Inc.1.35MUS$301M−71,652May 31, 2026
Tko Group Holdings, Inc.1.42MUS$292M−6,599May 31, 2026
Masimo Corporation1.64MUS$292M−7,579May 31, 2026
Ascendis Pharma A/s1.27MUS$285M−5,902May 31, 2026
Burlington Stores, Inc.828KUS$268M+35,993May 31, 2026