Should Invesco S&P MidCap 400 Revenue ETF (RWK) Be on Your Investing Radar?

Designed to provide broad exposure to the Mid Cap Value segment of the US equity market, the Invesco S&P MidCap 400 Revenue ETF (RWK) is a passively managed exchange traded fund launched on February 22, 2008.

Zacks Investment Research • Feb 5, 2026

RWK: It Is Time To Take This Midcap ETF Seriously

Midcaps historically outperform large caps, offer better downside protection, and currently trade at attractive valuations versus the S&P 500. RWK, the Invesco S&P MidCap 400 Revenue ETF, uses a revenue-weighted approach, delivering superior risk-adjusted returns and positive alpha. RWK is a buy for most investor styles, especially aggressive and growth, thanks to strong performance metrics, despite some index lag concerns.

Seeking Alpha • Aug 4, 2025

RWK: Performance Not Bad For This Low Valuation ETF

The Invesco S&P MidCap 400 Revenue ETF offers an alternative approach to mid-cap investing, outperforming the S&P MidCap 400 but lagging behind the S&P 500. RWK has a relatively low price-to-earnings ratio, making it attractive in a market with premium valuations. RWK's sector allocation is overweight in consumer cyclical and consumer defensive sectors, but underweight in real estate and healthcare.

Seeking Alpha • Jun 6, 2024

RWK: Targeted Mid-Cap Exposure

RWK, an ETF focused on revenue-weighted mid-cap companies, offers an attractive investment option. It prioritizes established mid-caps with better funding profiles, allowing them to perform well in a rising interest rate environment.

Seeking Alpha • Mar 17, 2024

Gift Yourself Some Surging Macy's Stock Via RWK & RFW

Christmas has come early for Macy's Inc. (M). The Wall Street Journal reported that the retail giant received a $5.8 billion buyout from Arkhouse Management and Brigade Capital Management.

ETF Trends • Dec 11, 2023

RWK: Weighing Pros And Cons Of Revenue-Centered Strategy

RWK tracks the S&P MidCap 400 Revenue-Weighted Index, a recalibrated version of the S&P 400, with revenues being the key factor influencing a constituent's weight. RWK has an edge over MDY in terms of value factor exposure.

Seeking Alpha • Feb 20, 2023