For further details regarding MSCI's methodology, see footnote 1 at the bottom of the page. MSCI rates underlying holdings according to their exposure to industry specific ESG risks and their ability to manage those risks relative to peers.

The Score also considers ESG Rating trend of holdings and the fund exposure to holdings in the laggard category. The MSCI ESG Quality Score (0 - 10) for funds is calculated using the weighted average of the ESG scores of fund holdings. The number of funds from the relevant Lipper Global Classification peer group that are also in ESG coverage. The fund peer group as defined by the Lipper Global Classification. The fund’s ESG percentile compared to its Lipper peer group.

The ESG Ratings range from leader (AAA, AA), average (A, BBB, BB) to laggard (B, CCC). The MSCI ESG Rating is calculated as a direct mapping of ESG Quality Scores to letter rating categories (e.g. For newly launched funds, sustainability characteristics are typically available 6 months after launch. To be included in MSCI ESG Fund Ratings, 65% of the fund’s gross weight must come from securities covered by MSCI ESG Research (certain cash positions and other asset types deemed not relevant for ESG analysis by MSCI are removed prior to calculating a fund’s gross weight the absolute values of short positions are included but treated as uncovered), the fund’s holdings date must be less than one year old, and the fund must have at least ten securities.

Ishare mid cap etf