MIGKX Fees and Costs — Massachusetts Investors Growth Stock Fund, Class R4

Data updated: 2026-07-23

The net expense ratio is 0.46%: a 0.33% management fee plus 0.13% other expenses. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $486K in broker commissions, 0.0040% of average net assets, and portfolio turnover was 21%.

MIGKX Fees and Expenses

Annual operating expenses and sales charges of MIGKX. Prospectus, as of November 30, 2025.

Annual operating expenses
Management fee0.33%
12b-1 fee0.00%
Other expenses0.13%
Gross expense ratio0.46%
Fee waiver—
Net expense ratio0.46%
Sales charges
Max front load0.00%
Max deferred load0.00%
Redemption fee—
Expense limitation in place (N-CEN)Yes
Fees waived or reduced during the yearYes
Waived fees subject to recoupmentNo

MIGKX Costs Over Time

On $10,000 invested in MIGKX, assuming 5% a year before costs, total costs come to $293 over 5 years, cutting the return by 0.49% a year. Illustration, not a forecast: it assumes today's net expense ratio throughout (a fee waiver may end).

$10,000 investedSell after 1 yearSell after 3 yearsSell after 5 years
Value before costs$10,500$11,576$12,763
Fund expenses (net expense ratio 0.46%)$48$152$264
Trading costs (broker commissions)$0$1$2
Lost growth on money paid in costs$0$8$27
Total costs$49$160$293
Value after costs$10,451$11,416$12,469
Impact on return, per year0.49%0.49%0.49%

MIGKX Trading Costs

Brokerage costs reported on SEC Form N-CEN for the fiscal year ending November 30, 2025.

  • Explicit cost rate (commissions ÷ average net assets): 0.0040%
  • Total broker commissions: $486K
  • Bought from dealers (principal trades, not a cost): $14.8M
  • Portfolio turnover (prospectus): 21%
  • Securities on loan, average value: $41.4M
  • Net income from securities lending: $35K (0.000% of average net assets)

MIGKX Agency Brokers

Commissions paid.

BrokerAmountShare
Jefferies LLC$86K22.63%
Goldman Sachs & Co. LLC$45K11.86%
Morgan Stanley & Co. LLC$45K11.85%
J.P. Morgan Securities LLC$41K10.86%
JonesTrading Institutional Services LLC$36K9.45%
UBS Securities LLC$36K9.40%
Citigroup Global Markets Inc.$25K6.50%
Merrill Lynch, Pierce, Fenner & Smith Inc.$23K6.14%
BofA Securities, Inc.$23K6.09%
RBC Capital Markets, LLC$20K5.21%

MIGKX Dealer Counterparties

Securities bought directly from dealers (principal trades).

BrokerAmountShare
J.P. Morgan Securities LLC$11.7M79.14%
State Street Global Markets, LLC$3.1M20.78%
Bank of New York Mellon Corp.$11K0.08%

Massachusetts Investors Growth Stock Fund Share Classes

Net expense ratio and maximum front-end load of each share class, cheapest first.

TickerClassNet expense ratioFront load
MIGNXClass R60.37%none
MGTIXClass I0.46%none
MIGKXClass R40.46%none
MIGFXClass A0.71%5.75%
MIGHXClass R30.71%none
MIRGXClass R20.96%none
MIGBXClass B1.46%none
MIGDXClass C1.46%none
MIGMXClass R11.46%none

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.