ETF Overlap Checker

ETF comparison

SMMD vs IWMW overlap

Compare SMMD ETF and IWMW ETF by shared holdings, expense ratio, issuer, category, and tracked overlap.

Tracked overlap42.16%

1 shared holdings

SMMD expense0.00%

Unknown

IWMW expense0.00%

Unknown

Data date2026-05-01

2026-05-01

Shared top holdings

Overlap uses the smaller fund weight for each shared holding.

IWMISHARES RUSSELL 2000 ETF
42.16%overlap weight

Interpretation

Should you own both SMMD and IWMW?

SMMD and IWMW share 1 tracked holdings with 42.16% overlap in the imported holdings set. High overlap can be fine when the funds serve a deliberate role, but it can also mean less diversification than the ticker count suggests.

Use the portfolio analyzer to test your actual allocations. Pairwise overlap does not account for how much of each ETF you own.