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What do you say to someone who tells you their poolside reading this year was The Theory Of Value Investing? My first instinct is to marvel at how that is possible in the two hours a day between getting up and opening the first bottle of rosé. But the better side of me gives credit where credit is due, whilst making vague (and, I assume, barely credible) references to how I must get round to reading that myself next year.

In fact, as a consequence of an ill-advisedly early summer holiday this year, I have spent much of the summer pondering how to communicate to our clients how we give fund managers “credit where credit is due”: for outperformance that is due to skill. If we cannot distinguish luck from skill we cannot hope to identify in advance fund managers who will outperform. And if we cannot distinguish simple outperforming attributes from skill then we may be paying an active manager a fee for outperformance we can find more cheaply elsewhere.

One of the biggest areas where this challenge is prevalent within the UK Equity sector is mid-cap investing. About 80% of the value of the FTSE All Share is in the biggest 100 companies, the FTSE 100. About 15% of the value is in the next 250 companies and just about 5% in the remaining, smaller still companies. The vast majority of funds in the UK equity sector are heavily overweight middle-sized (FTSE 250) companies compared with their FTSE All Share benchmark. Over time, this typically leads to strong outperformance as these mid cap companies typically outperform large cap companies. This gives funds that overweight these companies a strong performance

The cynics’ argument is that having an overweight to mid-caps isn’t skill. Most investors in this space know that mid-caps have outperformed large caps for two years out of every three since 1955 thanks to their earlier lifecycle stage and ability to challenge (large cap) incumbents with disruptive growth. Indeed since 1994 UK mid cap companies have grown earnings on average by 8.4% p.a. vs 3.2% for the average FTSE 100 company. Thus a fund manager with a large overweight to mid-caps will, all other things being equal, outperform a manager without over a market cycle, without any difference in manager skill. Given mid-caps are also on average more risky than large caps, why should we judge the outperforming fund “better” or more likely to outperform in the future? After all, if a fund manager sold 50% of their large cap stocks to buy a FTSE 250 ETF, that fund would probably outperform, but few of us would think this outperformance was due to manager skill! 

Source: FactSet
FTSE 100 Weekly Winners
Coca-Cola HBC AG10.4%
Worldpay Group9.8%
Randgold Resources5.3%
Associated British Foods1.5%
Barratt Developments1.1%
Source: FactSet
FTSE 100 Weekly Losers
InterContinental Hotels Group-8.5%
Paddy Power Betfair-8.4%
Standard Life-8.1%
BT Group-7.1%
Standard Chartered-6.1%

Mid-cap exposure may provide additional benefits. Companies in this market segment are more diversified by sector and income than the FTSE 100 and the vast majority of company research is focused on the larger companies, leaving an opportunity for more mis-pricing and stock selection skills in the mid cap space. After all, the best performing FTSE 100 stock over the last year has returned +86% whilst the worst has lost you 40%. In the mid-cap space the numbers are +352% and -77% respectively. 

We therefore spend a lot of time trying to adjust a fund’s track record for structural overweights to mid-caps (and other structural differences for that matter, such as a yield focus, or a style or a geographical bias) that might account for outperformance that is therefore either not due to skill or is not necessarily repeatable in the future. 

We tend to give more credit to managers who vary the market cap mix of their funds rather than keeping it static, the latter perhaps being a sign of a manager looking to “ride” mid-caps’ long term outperformance. After all, over time there have been long periods where large caps have been cheaper than mid-caps.  There are times when the UK’s large cap companies offer better prospects in aggregate than its mid-caps. A poorly performing UK economy with further sterling weakness might well help the UK’s larger companies with their more international revenue streams. A good fund manager may know to be overweight mid-caps over the cycle, but not overweight mid-caps throughout the cycle.

On most risk-adjusted measures over the long term, mid-caps are superior to large caps; they are riskier but you are more than compensated for that with higher returns. Mid-caps provide diversification and more opportunity to add value through stock selection skill. For these reasons alone we understand the value of being overweight mid-caps. But the crucial analysis for us to undertake is to assess the fund manager’s willingness and ability to invest and to add value in stock selection across the market cap spectrum. Finally, not only can sheep recognise up to 50 other sheep faces and remember them for 2 years, but they can also recognise human faces. This week on this day in 1893, which country became the first to introduce registration for motor vehicles?

In other words: credit where credit is due.

Year-to-date market performance

Year-to-date market performance

FTSE 100 Index, past 12 months

FTSE 100 Index, past 12 months
Source: FactSet
Past performance is no indicator of future performance

This newsletter is for professional financial advisers only and is not intended to be a financial promotion for retail clients. The information in this document is for private circulation and is believed to be correct but cannot be guaranteed. Opinions, interpretations and conclusions represent our judgement as of this date and are subject to change. The Company and its related Companies, directors, employees and clients may have positions or engage in transactions in any of the securities mentioned. Past performance is not necessarily a guide to future performance. The value of shares, and the income derived from them, may fall as well as rise. The information contained in this publication does not constitute a personal recommendation and the investment or investment services referred to may not be suitable for all investors. Copyright Investec Wealth & Investment Limited. Reproduction prohibited without permission.

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