See what your fund actually adds

iShares Russell 2000 Index Fund IWM

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

Fund and replication metrics

IWM compared with its replication portfolio
MeasureIWMReplication
Annualized growth5.7%5.7%
Annualized volatility21.0%20.7%
Sharpe ratio0.370.37
Maximum drawdown31.1%31.7%
Replication fit (R²)0.99 · Tracking error 1.8%

Replication portfolio

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

IWM replication basket weights
TickerBuilding blockWeight
IJRUS Small Cap44.1%
IWCMicro Cap29.6%
VBKSmall-Cap · Growth24.0%
VBRSmall-Cap · Value2.3%