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ISIN
US6743752098
CUSIP
674375209
Issuer
Oberweis
Inception Date
Dec 29, 1995
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 50.1% since the beginning of the year. OBMCX is currently trading at $77 per share. Investors who bought $1,000 worth of OBMCX shares 5 years ago would now be looking at an investment worth $2,584.


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S&P 500 Index

Returns By Period

Oberweis Micro Cap Fund (OBMCX) has returned 50.06% so far this year and 81.20% over the past 12 months. Looking at the last ten years, OBMCX has achieved an annualized return of 22.03%, outperforming the S&P 500 Index benchmark, which averaged 13.88% per year.


Oberweis Micro Cap Fund

1D
2.68%
1M
6.77%
YTD
50.06%
6M
45.35%
1Y
81.20%
3Y*
29.33%
5Y*
20.91%
10Y*
22.03%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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 +1.19%. At this rate, an investment would double in approximately 4.9 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%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20265.71%9.13%-1.60%23.13%0.35%6.99%50.06%
20251.73%-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%
202311.69%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%
20219.11%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 4.19%, beta of 1.02, 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 119.38% of its losses - amplifying both gains and losses, but participating more in upside than downside.
  • This fund generated an annualized alpha of 4.19% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
  • With beta of 1.02 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
4.19%
Beta
1.02
0.59
Upside Capture
137.70%
Downside Capture
119.38%

Expense Ratio

OBMCX has a high expense ratio of 1.48%, indicating above-average management fees.


Return for Risk

Risk / Return Rank

OBMCX ranks 91 for risk / return — in the top 91% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


OBMCX Risk / Return Rank: 9191
Overall Rank
OBMCX Sharpe Ratio Rank: 9696
Sharpe Ratio Rank
OBMCX Sortino Ratio Rank: 8585
Sortino Ratio Rank
OBMCX Omega Ratio Rank: 8282
Omega Ratio Rank
OBMCX Calmar Ratio Rank: 9797
Calmar Ratio Rank
OBMCX Martin Ratio Rank: 9797
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by 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.


OBMCXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+1.10

Sortino ratioReturn per unit of downside risk

+0.99

Omega ratioGain probability vs. loss probability

1.49

1.37

+0.13

Calmar ratioReturn relative to maximum drawdown

6.55

2.78

+3.77

Martin ratioReturn relative to average drawdown

25.93

12.44

+13.49

Dividends

Dividend History

Oberweis Micro Cap Fund provided a 0.94% dividend yield over the last twelve months, with an annual payout of $0.72 per share.


0.00%5.00%10.00%15.00%20.00%25.00%$0.00$2.00$4.00$6.00$8.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
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

0.94%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.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$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.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-68.24%Mar 2009
1y 5mo4y 5mo
5y 10moOct 2007 - Aug 2013
1998 bear market1998
-50.69%Oct 1998
11mo 29d1y 2mo
2y 1moOct 1997 - Dec 1999
COVID crash2020
-50.04%Mar 2020
1y 6mo8mo 7d
2y 2moSep 2018 - Nov 2020
Dot-com crash2000–2002
-47.46%Oct 2002
2y 6mo8mo 26d
3y 3moMar 2000 - Jul 2003
2004 bear market2004
-34.96%Aug 2004
6mo 19d1y 3mo
1y 9moJan 2004 - Nov 2005

Drawdown Indicators


OBMCXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-68.24%

-56.78%

-11.46%

Max Drawdown (1Y)

Largest decline over 1 year

-12.45%

-9.10%

-3.35%

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 Drawdown

Current decline from peak

0.00%

-1.80%

+1.80%

Average Drawdown

Average peak-to-trough decline

-16.39%

-10.71%

-5.68%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.14%

2.03%

+1.11%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with OBMCX

Add Oberweis Micro Cap Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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