OAKMX Fees and Costs — Oakmark Fund, Investor Class
Data updated: 2026-08-26
The net expense ratio is 0.89%: a 0.59% management fee plus 0.30% other expenses. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $11.0M in broker commissions, 0.0458% of average net assets, and portfolio turnover was 35%.
OAKMX Fees and Expenses
Annual operating expenses and sales charges of OAKMX. Prospectus, as of January 31, 2026.
| Annual operating expenses | |
|---|---|
| Management fee | 0.59% |
| 12b-1 fee | 0.00% |
| Other expenses | 0.30% |
| Gross expense ratio | 0.89% |
| Fee waiver | — |
| Net expense ratio | 0.89% |
| Sales charges | |
|---|---|
| Max front load | — |
| Max deferred load | — |
| Redemption fee | — |
| Expense limitation in place (N-CEN) | Yes |
| Fees waived or reduced during the year | No |
| Waived fees subject to recoupment | No |
OAKMX Costs Over Time
On $10,000 invested in OAKMX, assuming 5% a year before costs, total costs come to $586 over 5 years, cutting the return by 0.98% 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 0.89%) | $93 | $292 | $506 |
| Trading costs (broker commissions) | $5 | $15 | $26 |
| Lost growth on money paid in costs | $0 | $15 | $54 |
| Total costs | $98 | $322 | $586 |
| Value after costs | $10,402 | $11,254 | $12,177 |
| Impact on return, per year | 0.98% | 0.98% | 0.98% |
OAKMX 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): 0.0458%
- Total broker commissions: $11.0M
- Bought from dealers (principal trades, not a cost): $371.6B
- Portfolio turnover (prospectus): 35%
- Securities lending: none during the year
OAKMX Agency Brokers
Commissions paid.
| Broker | Amount | Share |
|---|---|---|
| UBS Securities LLC | $4.1M | 42.54% |
| BNY Capital Markets, LLC | $1.5M | 15.78% |
| BofA Securities, Inc. | $1.0M | 10.35% |
| Morgan Stanley & Co. LLC | $983K | 10.13% |
| BMO Capital Markets Corp. | $458K | 4.72% |
| Sanford C. Bernstein & Co., LLC | $444K | 4.57% |
| Citadel Securities LLC | $366K | 3.77% |
| Jefferies LLC | $328K | 3.38% |
| Jane Street Execution Services, LLC | $258K | 2.65% |
| Liquidnet, Inc. | $204K | 2.11% |
OAKMX Dealer Counterparties
Securities bought directly from dealers (principal trades).
| Broker | Amount | Share |
|---|---|---|
| State Street Bank and Trust Company | $371.6B | 99.99% |
| TD Securities (USA) LLC | $11.8M | 0.00% |
| UBS Securities LLC | $7.2M | 0.00% |
Oakmark Fund Share Classes
Net expense ratio and maximum front-end load of each share class, cheapest first.
| Ticker | Class | Net expense ratio | Front load |
|---|---|---|---|
| OAZMX | R6 Class | 0.61% | — |
| OANMX | Institutional Class | 0.67% | — |
| OAYMX | Advisor Class | 0.70% | — |
| OAKMX | Investor Class | 0.89% | — |
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.