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)....

Recent research on blockholders focuses on activist hedge funds and documents positive stock but negative bond returns. This study investigates the role of blockholder heterogeneity on security market effects and target firm follow-on activities across three important dimensions: identity,...