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Funds Holding MFS Mid Cap Growth Fund Class R6

Every registered fund lists what it holds each quarter. These are the ones reporting a position in MFS Mid Cap Growth Fund Class R6, ordered by how much of each fund the position represents rather than by its size.

Institutional holders of OTCKX →
Funds holding
4
as of 2026-08-31
Reported value
$1.5B
summed across funds
Fund families
1
named trusts
Largest conviction
9.70%
3 above 5% of a fund

Largest share of a fund

A small position that is a large part of its fund says more than a large one that is a rounding error.

FundOf the fund
MFS Aggressive Growth Allocation FundMFS SERIES TRUST X10.2M sh$300.5M9.70%
MFS Growth Allocation FundMFS SERIES TRUST X20.2M sh$594.3M8.81%
MFS Moderate Allocation FundMFS SERIES TRUST X14.9M sh$438.9M6.88%
MFS Conservative Allocation FundMFS SERIES TRUST X4.7M sh$138.3M3.94%

Source: quarterly NPORT-P filings, via EDGAR. Positions arrive by CUSIP; each one here has been confirmed against OpenFIGI rather than matched by name. NPORT covers mutual funds, ETFs and closed-end funds alike and does not distinguish them, and positions are as of quarter end — a fund may have sold out entirely since. The summed value counts each filing once, so two share classes of the same fund appear twice.

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