This paper combines the use of portfolio holdings data and conditioning information to create a new performance measure. Our conditional weight-based measure has several advantages. Using conditioning information avoids biases in weight-based measures as discussed by Grinblatt and Titman (1993). When conditioning information is used, returns-based measures face a bias if managers can trade between observation dates. The new measures avoid this interim trading bias. We use the new measures to provide fresh insights about performance in a sample of U.S. equity pension fund managers.

We examine the relation between dividends and information asymmetry by using insider returns as a proxy for information asymmetry. We find that dividends are negatively related to returns to insider trades across firms. Firms that pay consistently high dividends have lower insider returns than do firms that pay consistently low dividends. These results do not support traditional dividend signaling models. Rather, they are consistent with the proposition that firms with the highest dividends have the lowest levels of information asymmetry. Copyright (c) 2006 Financial Management Association International.

This paper combines the use of portfolio holdings data and conditioning information to create a new performance measure. Our conditional weight-based measure has several advantages. Using conditioning information avoids biases in weight-based measures as discussed by Grinblatt and Titman (1993). When conditioning information is used, returns-based measures face a bias if managers can trade between observation dates. The new measures avoid this interim trading bias. We use the new measures to provide fresh insights about performance in a sample of U.S. equity pension fund managers.

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