"iShares MSCI USA Small Cap ESG Enhanced UCITS ETF" is an exchange-traded investment fund (ETF). It refers to the MSCI USA Small Cap ESG Enhanced Focus CTB Index. This index reflects the development of securities . The ETF replicates its index using physical replication with sampling, so it contains the most important securities of its reference index. The ETF's earnings are automatically reinvested (accumulated). The fund company iShares claims a total expense ratio (TER) of 0.43% per year. The yearly average divergence from the index performance (Tracking Difference) since 2010 was 0.16% per year. Therefore, the ETF was less expensive than the TER suggests.