MIGHX Fees and Costs — Massachusetts Investors Growth Stock Fund, Class R3
Data updated: 2026-07-23
The net expense ratio is 0.71%: a 0.33% management fee, a 0.25% 12b-1 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%.
MIGHX Fees and Expenses
Annual operating expenses and sales charges of MIGHX. Prospectus, as of November 30, 2025.
| Annual operating expenses | |
|---|---|
| Management fee | 0.33% |
| 12b-1 fee | 0.25% |
| Other expenses | 0.13% |
| Gross expense ratio | 0.71% |
| Fee waiver | — |
| Net expense ratio | 0.71% |
| Sales charges | |
|---|---|
| Max front load | 0.00% |
| Max deferred load | 0.00% |
| Redemption fee | — |
| Expense limitation in place (N-CEN) | Yes |
| Fees waived or reduced during the year | Yes |
| Waived fees subject to recoupment | No |
MIGHX Costs Over Time
On $10,000 invested in MIGHX, assuming 5% a year before costs, total costs come to $449 over 5 years, cutting the return by 0.75% a year. Illustration, not a forecast: it assumes today's net expense ratio throughout (a fee waiver may end).
| $10,000 invested | Sell after 1 year | Sell after 3 years | Sell after 5 years |
|---|---|---|---|
| Value before costs | $10,500 | $11,576 | $12,763 |
| Fund expenses (net expense ratio 0.71%) | $75 | $233 | $406 |
| Trading costs (broker commissions) | $0 | $1 | $2 |
| Lost growth on money paid in costs | $0 | $12 | $41 |
| Total costs | $75 | $246 | $449 |
| Value after costs | $10,425 | $11,330 | $12,314 |
| Impact on return, per year | 0.75% | 0.75% | 0.75% |
MIGHX 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)
MIGHX Agency Brokers
Commissions paid.
| Broker | Amount | Share |
|---|---|---|
| Jefferies LLC | $86K | 22.63% |
| Goldman Sachs & Co. LLC | $45K | 11.86% |
| Morgan Stanley & Co. LLC | $45K | 11.85% |
| J.P. Morgan Securities LLC | $41K | 10.86% |
| JonesTrading Institutional Services LLC | $36K | 9.45% |
| UBS Securities LLC | $36K | 9.40% |
| Citigroup Global Markets Inc. | $25K | 6.50% |
| Merrill Lynch, Pierce, Fenner & Smith Inc. | $23K | 6.14% |
| BofA Securities, Inc. | $23K | 6.09% |
| RBC Capital Markets, LLC | $20K | 5.21% |
MIGHX Dealer Counterparties
Securities bought directly from dealers (principal trades).
| Broker | Amount | Share |
|---|---|---|
| J.P. Morgan Securities LLC | $11.7M | 79.14% |
| State Street Global Markets, LLC | $3.1M | 20.78% |
| Bank of New York Mellon Corp. | $11K | 0.08% |
Massachusetts Investors Growth Stock Fund Share Classes
Net expense ratio and maximum front-end load of each share class, cheapest first.
| Ticker | Class | Net expense ratio | Front load |
|---|---|---|---|
| MIGNX | Class R6 | 0.37% | none |
| MGTIX | Class I | 0.46% | none |
| MIGKX | Class R4 | 0.46% | none |
| MIGFX | Class A | 0.71% | 5.75% |
| MIGHX | Class R3 | 0.71% | none |
| MIRGX | Class R2 | 0.96% | none |
| MIGBX | Class B | 1.46% | none |
| MIGDX | Class C | 1.46% | none |
| MIGMX | Class R1 | 1.46% | 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.