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Acadian's quants exploit investor 'mistakes'

Firm says a lot of engineering goes into deciding what it buys and sells in portfolios it manages

Boston

THREE times a day, Acadian Asset Management calculates the relative attractiveness and expected return of 40,000 stocks around the world.

"You may notice we like numbers," Churchill Franklin says with a laugh. The Acadian CEO is sitting in a conference room at the Boston headquarters of the quantitative investment firm for an interview in early May.

Across the table, chief investment officer John Chisholm says that in essence what Acadian does is look for inefficiencies in the pricing of securities. "Investors make certain systematic behavioural errors in the way they make investment decisions," he says.

Take value. Companies that are cheap in terms of price to earnings tend to generate higher...

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