MMNGX Fees and Costs — MassMutual Mid Cap Growth Fund, Class Y

Data updated: 2026-08-27

The net expense ratio is 0.76%: a 0.64% management fee plus 0.14% other expenses, less a 0.02% fee waiver. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $1.1M in broker commissions, 0.0258% of average net assets, and portfolio turnover was 38%.

MMNGX Fees and Expenses

Annual operating expenses and sales charges of MMNGX. Prospectus, as of September 30, 2025.

Annual operating expenses
Management fee0.64%
12b-1 fee0.00%
Other expenses0.14%
Gross expense ratio0.78%
Fee waiver−0.02%
Net expense ratio0.76%
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

MMNGX Costs Over Time

On $10,000 invested in MMNGX, assuming 5% a year before costs, total costs come to $494 over 5 years, cutting the return by 0.83% 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 0.76%)$80$250$434
Trading costs (broker commissions)$3$8$15
Lost growth on money paid in costs$0$13$45
Total costs$83$271$494
Value after costs$10,417$11,305$12,269
Impact on return, per year0.83%0.83%0.83%

MMNGX Trading Costs

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

  • Explicit cost rate (commissions ÷ average net assets): 0.0258%
  • Total broker commissions: $1.1M
  • Bought from dealers (principal trades, not a cost): $27.5B
  • Portfolio turnover (prospectus): 38%
  • Securities on loan, average value: $180.5M
  • Net income from securities lending: $305K (0.007% of average net assets)

MMNGX Agency Brokers

Commissions paid.

BrokerAmountShare
Capital Institutional Services, Inc.$221K26.97%
Liquidnet, Inc.$129K15.79%
J.P. Morgan Securities LLC$97K11.85%
Goldman Sachs & Co. LLC$92K11.21%
Citigroup Global Markets Inc.$66K8.10%
Morgan Stanley & Co. LLC$64K7.85%
BofA Securities, Inc.$41K5.04%
TD Securities (USA) LLC$38K4.60%
Jefferies LLC$35K4.31%
Wells Fargo Securities, LLC$35K4.28%

MMNGX Dealer Counterparties

Securities bought directly from dealers (principal trades).

BrokerAmountShare
State Street Bank and Trust Company$27.2B99.19%
Morgan Stanley & Co. LLC$106.5M0.39%
Goldman Sachs & Co. LLC$97.4M0.35%
J.P. Morgan Securities LLC$16.0M0.06%
Citigroup Global Markets Inc.$1.5M0.01%
BofA Securities, Inc.$879K0.00%
T. Rowe Price Investment Services, Inc.$170.00%

MassMutual Mid Cap Growth Fund Share Classes

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

TickerClassNet expense ratioFront load
MEFZXClass I0.66%none
MGRFXClass R50.76%none
MMNGXClass Y0.76%none
MEFYXService Class0.86%none
MMELXAdministrative Class0.96%none
MEFFXClass R41.11%none
MEFAXClass A1.16%5.50%
MEFNXClass R31.36%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.