iShares ESG Aware MSCI USA Small-Cap ETF

ESML
ETF Ticker

+15.18%

+16.32%

Cboe BZX

Equity

United States

Small Cap

ETF Strategy Fund Grade AAA

The iShares ESG Aware MSCI USA Small-Cap ETF, ESML_US, is listed on the Cboe BZX and tracks the MSCI USA Small Cap Extended ESG Focus index. The fund provides exposure to United States, Small Cap Equity and has assets under management of $2,980.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Apr 10, 2018. It has a net expense ratio of 17bps. (All data in USD as of Oct 15, 2026 unless stated.)

The underlying MSCI USA Small Cap Extended ESG Focus Index targets small-cap U.S. equities while maximizing ESG profile relative to the MSCI USA Small Cap parent through an optimization. The optimizer targets a predicted tracking error of 0.5% and applies constraints: minimum constituent weight 0.05%; single-name active weight within ±2%; each security’s weight capped at 20× its parent weight; active sector weights within ±5%; one-way turnover capped at 10% in May/Nov and 5% in Feb/Aug reviews. Eligibility excludes Parent constituents flagged with an ESG Controversy Score of 0 and companies with business involvement in tobacco (producers and material distributors/retailers), controversial weapons, civilian firearms (producer and certain retailers), oil sands, and thermal coal. The index is reviewed quarterly, maintaining sector diversification and a small-cap risk/return profile while systematically tilting toward higher ESG-rated names.

ETF Details

Key Facts

Issuer:
iShares
AUM:
$2,980.0m (as of Aug 31, 2026)
Net Expense Ratio:
17 bps
Inception Date:
Apr 10, 2018
Index:
MSCI USA Small Cap Extended ESG Focus Index
Dividend Frequency:
Quarterly

Trading

Ticker:
ESML
Exchange:
Cboe BZX
ISIN:
US46435U6635
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Equity
Asset Region:
United States
Theme:
Small Cap
Economic Development:
Developed Markets
1 Year Volatility:
16.43%
3 Year Volatility:
19.46%
5 Year Volatility:
21.11%

Performance

TTM Dividend Yield:
1.10% (verify with issuer)
1 Month Performance:
-1.15%
3 Month Performance:
-3.04%
6 Month Performance:
5.39%
1 Year Performance:
16.32%
3 Year Performance:
67.47%
5 Year Performance:
38.70%
Investment Proposition

iShares ESG Aware MSCI USA Small-Cap ETF (ESML) offers diversified exposure to U.S. small-cap companies while applying ESG-aware screening and optimization to keep overall risk comparable to a broad small-cap universe. The design targets the small-cap premium and local economic sensitivity typical of the segment, while increasing weight to issuers with stronger ESG profiles and limiting exposures that would materially alter factor balance. Investors should expect higher volatility and cyclicality than large-caps, with returns more tied to domestic growth, labor and input costs, and financing conditions; the fund can participate strongly in early-cycle recoveries and broadening rallies, yet may lag during tightening liquidity or profit-margin pressure. Use cases include a satellite small-cap sleeve within U.S. equities, factor completion for portfolios underweight smaller companies, and values alignment without abandoning core small-cap characteristics. Appropriate for allocators pursuing multi-cap diversification or advisers constructing style-aware models where small-cap exposure is intentionally sized. A fund-specific risk to monitor is liquidity and trading costs inherent in small-caps, which can interact with periodic rebalances and contribute to turnover-related drag.

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