See what your fund actually adds

Oberweis Small-Cap Opportunities Fund OBSOX

Historical return decomposition and an investable replication portfolio, using data through 2026-10-09.

Fund and replication metrics

OBSOX compared with its replication portfolio
MeasureOBSOXReplication
Annualized growth14.0%7.8%
Annualized volatility23.0%19.8%
Sharpe ratio0.690.48
Maximum drawdown27.2%31.9%
Replication fit (R²)0.87 · Tracking error 8.3%

Replication portfolio

The published portfolio below is the investable basket used to model OBSOX’s historical return behavior.

OBSOX replication basket weights
TickerBuilding blockWeight
VBKSmall-Cap · Growth47.9%
IJRUS Small Cap27.0%
MTUMFactor · Momentum16.9%
XLKSector · Technology8.2%