MPEXX Fees and Costs — Prime Portfolio, Institutional Select Class

Data updated: 2026-02-27

The net expense ratio is 0.25% (0.27% before fee waivers). There are no sales loads or redemption fees.

MPEXX Fees and Expenses

Annual operating expenses and sales charges of MPEXX. Prospectus, as of October 31, 2025.

Annual operating expenses
Management fee0.15%
12b-1 fee0.00%
Other expenses0.07%
Gross expense ratio0.27%
Fee waiver−0.02%
Net expense ratio0.25%
Sales charges
Max front load—
Max deferred load—
Redemption fee—
Expense limitation in place (N-CEN)Yes
Fees waived or reduced during the yearYes
Waived fees subject to recoupmentNo

MPEXX Costs Over Time

On $10,000 invested in MPEXX, assuming 5% a year before costs, total costs come to $159 over 5 years, cutting the return by 0.26% 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 0.25%)$26$83$144
Lost growth on money paid in costs$0$4$14
Total costs$26$87$159
Value after costs$10,474$11,490$12,604
Impact on return, per year0.26%0.26%0.26%

MPEXX Trading Costs

Brokerage costs reported on SEC Form N-CEN for the fiscal year ending October 31, 2025.

  • Explicit cost rate (commissions ÷ average net assets): —
  • Total broker commissions: —
  • Bought from dealers (principal trades, not a cost): $1.09T
  • Portfolio turnover (prospectus): —
  • Securities lending: none during the year

MPEXX Dealer Counterparties

Securities bought directly from dealers (principal trades).

BrokerAmountShare
Wells Fargo Securities, LLC$167.1B18.02%
Scotia Capital (USA) Inc.$140.9B15.19%
MUFG Securities Americas Inc.$133.5B14.39%
ABN AMRO Securities (USA) LLC$129.8B14.00%
Mizuho Securities USA LLC$83.9B9.04%
SG Americas Securities, LLC$70.0B7.55%
TD Securities (USA) LLC$59.8B6.45%
Barclays Capital Inc.$53.5B5.76%
Citigroup Global Markets Inc.$50.0B5.40%
HSBC Securities (USA) Inc.$38.9B4.20%

Prime Portfolio Share Classes

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

TickerClassNet expense ratioFront load
CASXXCastleOak Share Class0.20%—
IMTXXImpact Class0.20%—
IPYXXImpact Partner Class0.20%—
MPFXXInstitutional Class0.20%—
MPEXXInstitutional Select Class0.25%—
MPVXXC0000116760.30%—
MPMXXC0000116720.35%—
MSPXXCash Management Class0.35%—
MAVXXAdvisory Class0.45%—
MPNXXC0000116750.70%—

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.