Back To Basics For A 76% Return

Published in Investing Strategy on 26 February 2010

Classic value investing beat the market last year, but what would Ben Graham buy today?

What portfolio strategy has delivered gains of nearly 80% over the past year? Hint: It doesn't require knowledge of the Black-Scholes formula or the Greek alphabet.

The answer is good old-fashioned value investing, as espoused by Ben Graham.

The results so far

I've run two Graham filters to date, 18 months ago and 12 months ago, and the results (assuming even weightings) are as follows, excluding dividends:

 Aug '08 to
Feb '10
Feb '09 to
Feb '10
Portfolio 1 (Aug '08)11.3%
Portfolio 2 (Feb '09)76.2%
FTSE All-Share-4.1%40.2%

But before we get too carried away with our results so far, one caveat: I've just checked the prices at the start and end of each period, and have not been monitoring actively throughout that time. 

One of Graham's sell signals was if a share price had risen more than 50% since buying; on that basis, many companies would have been dropped before achieving their current levels.

What to buy today

Nevertheless, encouraged by this statistically insignificant victory, let's see what a Graham filter would produce today.

You can find the selection criteria in my biog article on Graham, and I've used ADVFN's Filter-X application to trawl through the data.

Applying all ten criteria produces, bizarrely, exactly one company -- Interior Services Group (LSE: ISG), currently priced at 163.5p. This also popped up last year as being very cheap on an enterprise-value-to-sales ratio (ESR) basis.

Opinions about this firm are mixed amongst other Motley Fool contributors; you can read reviews here and here.

But an important point about Graham's method is that we are aiming to construct a portfolio of shares, rather than find one or two companies. If we just apply his four main criteria, we get a list of 24 companies, but many of these are quite small.

As Graham preferred larger companies, restricting our search to market capitalisations above £100m gives us the following portfolio of twelve shares:

CompanySectorPrice
(p)
Market cap
(£m)
Balfour Beatty (LSE: BBY)Construction & Materials269.21,859
Debenhams (LSE: DEB)General Retailers63.4790
Findel (LSE: FDL)General Retailers29.5146
Game Group (LSE: GMG)General Retailers79.4278
Greggs (LSE: GRG)Food & Drug Retailers414.1431
HMV (LSE: HMV)General Retailers69.8289
Hogg Robinson (LSE: HRG)Support Services33.8103
Huntsworth (LSE: HNT)Media64.0136
Interserve (LSE: IRV)Support Services203.4250
Menzies (J) (LSE: MNZS)Support Services314.0185
Morgan Sindall (LSE: MGNS)Construction & Materials567.0242
National Express (LSE: NEX)Travel & Leisure202.51,010

As always, when working with filters, it's a good idea to manually check the relevant data for any shortlists or portfolios, as errors are not uncommon.

Let's see how this lot performs over the next year.

More from Padraig O'Hannelly:

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Comments

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BarrenFluffit 26 Feb 2010 , 11:07am

"In selecting the common stock portfolio, do you advise careful study of and selectivity among different issues?

In general, no. I am no longer an advocate of elaborate techniques of security analysis in order to find superior value opportunities. This was a rewarding activity, say, 40 years ago, when our textbook "Graham and Dodd" was first published; but the situation has changed a great deal since then."
http://www.bylo.org/bgraham76.html

Esquilax100 27 Feb 2010 , 1:33am

BarrenFluffit, thanks for your comment.

Yes, when he gave that interview in the mid-1970s he was leaning towards the efficient market school, ie, why bother chasing anomalies as they've all been found. Anyone stock-picking has implicitly rejected that idea (rightly or wrongly).

He was also concerned about the cost of number crunching, but that has come down by orders of magnitude since then.

- Padraig.

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