OBMCX Fees and Costs — Oberweis Micro-Cap Fund, Investor Class
Data updated: 2026-08-28
The net expense ratio is 1.46%: a 1.00% management fee, a 0.25% 12b-1 fee plus 0.21% other expenses. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $823K in broker commissions, 0.1111% of average net assets, and portfolio turnover was 41%.
OBMCX Fees and Expenses
Annual operating expenses and sales charges of OBMCX. Prospectus, as of December 31, 2025.
| Annual operating expenses | |
|---|---|
| Management fee | 1.00% |
| 12b-1 fee | 0.25% |
| Other expenses | 0.21% |
| Gross expense ratio | 1.46% |
| Fee waiver | — |
| Net expense ratio | 1.46% |
| 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 |
OBMCX Costs Over Time
On $10,000 invested in OBMCX, assuming 5% a year before costs, total costs come to $972 over 5 years, cutting the return by 1.65% 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 1.46%) | $153 | $475 | $820 |
| Trading costs (broker commissions) | $12 | $36 | $62 |
| Lost growth on money paid in costs | $0 | $25 | $90 |
| Total costs | $165 | $537 | $972 |
| Value after costs | $10,335 | $11,039 | $11,791 |
| Impact on return, per year | 1.65% | 1.65% | 1.65% |
OBMCX Trading Costs
Brokerage costs reported on SEC Form N-CEN for the fiscal year ending December 31, 2025.
- Explicit cost rate (commissions ÷ average net assets): 0.1111%
- Total broker commissions: $823K
- Bought from dealers (principal trades, not a cost): —
- Portfolio turnover (prospectus): 41%
- Securities lending: none during the year
OBMCX Agency Brokers
Commissions paid.
| Broker | Amount | Share |
|---|---|---|
| Liquidnet, Inc. | $633K | 77.49% |
| Cabrera Capital Markets LLC | $90K | 11.05% |
| JonesTrading Institutional Services LLC | $33K | 4.06% |
| Craig-Hallum Capital | $18K | 2.23% |
| Piper Sandler & Co | $12K | 1.52% |
| Stifel, Nicolaus Co., Inc. | $10K | 1.21% |
| Raymond James, Ltd. | $10K | 1.19% |
| Instinet, LLC | $4K | 0.49% |
| The Benchmark Co. LLC | $3K | 0.42% |
| William Blair & Company LLC | $3K | 0.35% |
Oberweis Micro-Cap Fund Share Classes
Net expense ratio and maximum front-end load of each share class, cheapest first.
| Ticker | Class | Net expense ratio | Front load |
|---|---|---|---|
| OMCIX | Institutional Class | 1.21% | — |
| OBMCX | Investor Class | 1.46% | — |
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.