- ISIN
- US6743752098
- CUSIP
- 674375209
- Issuer
- Oberweis
- Inception Date
- Dec 29, 1995
- Category
- Small Cap Growth Equities
- Min. Investment
- $1,000
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Small-Cap
- Asset Class Style
- Growth
Share Price Chart
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Performance
OBMCX Performance Chart
Oberweis Micro Cap Fund (OBMCX) is up 35.6% since the beginning of the year. OBMCX is currently trading at $69 per share. Investors who bought $1,000 worth of OBMCX shares 5 years ago would now be looking at an investment worth $2,289.
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Returns By Period
Oberweis Micro Cap Fund (OBMCX) has returned 35.57% so far this year and 52.75% over the past 12 months. Looking at the last ten years, OBMCX has achieved an annualized return of 20.12%, outperforming the S&P 500 Index benchmark, which averaged 13.26% per year.
Oberweis Micro Cap Fund
- 1D
- 5.04%
- 1M
- -6.99%
- 6M
- 28.25%
- YTD
- 35.57%
- 1Y
- 52.75%
- 3Y*
- 22.46%
- 5Y*
- 18.01%
- 10Y*
- 20.12%
- ALL TIME*
- 11.14%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
OBMCX Monthly Returns History
Based on dividend-adjusted daily data since Jun 3, 1996, OBMCX's average daily return is +0.06%, while the average monthly return is +1.16%. At this rate, an investment would double in approximately 5.0 years.
Historically, 61% of months were positive and 39% were negative. The best month was Feb 2000 with a return of +23.8%, while the worst month was Aug 1998 at -25.4%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 5 months.
On a daily basis, OBMCX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +11.6%, while the worst single day was Nov 10, 2000 at -15.4%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.71% | 9.13% | -1.60% | 23.13% | 0.35% | 11.11% | -13.01% | 35.57% | |||||
| 2025 | 1.73% | -7.44% | -7.61% | -0.33% | 6.40% | 8.78% | 3.69% | 8.23% | 3.09% | 0.57% | -1.37% | -0.41% | 14.70% |
| 2024 | -3.88% | 6.94% | 0.72% | -5.75% | 10.74% | 1.89% | 4.54% | 1.71% | 1.73% | -2.23% | 12.74% | -6.44% | 22.82% |
| 2023 | 11.69% | 0.48% | -2.82% | -6.58% | 4.44% | 11.40% | 4.27% | -5.24% | -7.10% | -10.75% | 8.88% | 12.40% | 18.87% |
| 2022 | -12.57% | 4.49% | 0.18% | -8.71% | 2.94% | -9.20% | 14.67% | -1.71% | -9.15% | 14.99% | 4.18% | -6.65% | -10.57% |
| 2021 | 9.11% | 13.76% | 1.74% | 4.05% | 1.78% | 4.03% | -2.35% | 2.83% | -3.96% | 6.12% | 2.00% | 5.47% | 53.20% |
Benchmark Metrics
Oberweis Micro Cap Fund has an annualized alpha of 3.86%, beta of 1.03, and R2 of 0.59 versus S&P 500 Index. Calculated based on daily prices since June 03, 1996.
- This fund captured 137.70% of S&P 500 Index gains and 120.63% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- This fund generated an annualized alpha of 3.86% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
- With beta of 1.03 and R2 of 0.59, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 3.86%
- Beta
- 1.03
- R²
- 0.59
- Upside Capture
- 137.70%
- Downside Capture
- 120.63%
Expense Ratio
OBMCX has a high expense ratio of 1.48%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
OBMCX ranks 75 for risk / return — above 75% of mutual funds peers on PortfoliosLab. Its historical combined result is above most peers.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for Oberweis Micro Cap Fund (OBMCX) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| OBMCX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.37 | ||
| Sortino ratioReturn per unit of downside risk | +0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.25 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 2.99 | 2.00 | +0.99 |
| Martin ratioReturn relative to average drawdown | 12.18 | 8.49 | +3.68 |
Dividends
Dividend History
Oberweis Micro Cap Fund provided a 1.04% dividend yield over the last twelve months, with an annual payout of $0.72 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.72 | $0.72 | $1.14 | $0.00 | $0.44 | $8.74 | $0.00 | $0.00 | $3.61 | $2.95 | $0.01 | $0.54 |
Dividend yield | 1.04% | 1.41% | 2.53% | 0.00% | 1.37% | 24.35% | 0.00% | 0.00% | 19.67% | 11.76% | 0.05% | 3.07% |
Monthly Dividends
The table displays the monthly dividend distributions for Oberweis Micro Cap Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | |||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.72 | $0.72 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.14 | $1.14 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.44 | $0.44 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $8.74 | $8.74 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Oberweis Micro Cap Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Oberweis Micro Cap Fund was 68.24%, occurring on Mar 9, 2009. Recovery took 1110 trading sessions.
The current Oberweis Micro Cap Fund drawdown is 13.01%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-68.24%Mar 2009 | 1y 5mo | 4y 5mo | 5y 10moOct 2007 - Aug 2013 | Financial crisis2007–2009 |
-50.69%Oct 1998 | 11mo 29d | 1y 2mo | 2y 1moOct 1997 - Dec 1999 | — |
-50.04%Mar 2020 | 1y 6mo | 8mo 7d | 2y 2moSep 2018 - Nov 2020 | COVID crash2020 |
-47.46%Oct 2002 | 2y 6mo | 8mo 26d | 3y 3moMar 2000 - Jul 2003 | Dot-com crash2000–2002 |
-34.96%Aug 2004 | 6mo 19d | 1y 3mo | 1y 9moJan 2004 - Nov 2005 | — |
Drawdown Indicators
| OBMCX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -68.24% | -56.78% | -11.46% |
Max Drawdown (1Y)Largest decline over 1 year | -17.19% | -9.10% | -8.09% |
Max Drawdown (3Y)Largest decline over 3 years | -28.11% | -18.90% | -9.21% |
Max Drawdown (5Y)Largest decline over 5 years | -28.11% | -25.43% | -2.68% |
Max Drawdown (10Y)Largest decline over 10 years | -50.04% | -33.92% | -16.12% |
Current DrawdownCurrent decline from peak | -13.01% | -1.58% | -11.43% |
Average DrawdownAverage peak-to-trough decline | -16.36% | -10.70% | -5.66% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.21% | 2.14% | +2.07% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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