Rosenberg Equities, the quantitative unit of AXA Investment Managers, manages this strategy and has a long history of systematic and factor-based investing. CIO Gideon Smith leads this strategy and is supported by large securities and ESG research teams, internally and from the wider AXA IM stable. The team undertakes consistent research with slow incremental improvements, rather than the frequent tinkering of typical quantitative strategies. We think this line-up is well-resourced for the approach taken. Incoming CEO Paul Flavier has added some structure with Rosenberg as the broader AXA IM group continues to reshape itself with numerous reshuffles, both in personnel and operationally, over the past few years including its ESG operation. At this stage, it appears these changes have not seeped into Rosenberg which does not appear to have incurred any negative impacts.
We are comforted by the depth and well-documented process at Rosenberg but are watchful of the impact of the parent and its requirements of its subsidiaries. Using the MSCI World Index, this fund ranks each stock based on low volatility and quality factors. The shop seeks diversity by reducing mega-cap exposure using a proprietary weighting mechanism to give a slightly higher small- and mid-cap bias. Rosenberg also applies a machine learning tail risk filter to avoid negative surprises. Finally, although not an afterthought, an ESG component is applied which excludes certain industries entirely and then over- or underweights the remaining 300-600 stocks based on their qualitative ESG scores.
Performance asymmetry has been strong since the inception of the strategy in 2013 with index beating returns coupled with an attractive 80% downside capture ratio, which has become even lower during recent stressed periods. The rally of low-quality, high-volatility stocks in late 2020 was hurtful but Rosenberg’s approach over the long term offers a simple yet effective systematic approach to global equities with significant ESG considerations.
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