Abstract

http://ssrn.com/abstract=1742641
 
 

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Hedge Funds in M&A Deals: Is There Exploitation of Private Information?


Rui Dai


University of Pennsylvania - Wharton Research Data Services

Nadia Massoud


Melbourne Business School, University of Melbourne

Debarshi K. Nandy


Brandeis University - International Business School

Anthony Saunders


New York University - Leonard N. Stern School of Business

January 11, 2011


Abstract:     
This paper investigates recent allegations regarding the misuse of private insider information by hedge funds prior to the public announcement of M&A deals. We analyze this issue by using a unique and comprehensive dataset which allows us to analyze the trading pattern of hedge funds around corporate mergers and acquisitions in both the equity and derivatives markets. In general, our results are consistent with hedge funds, with short-term investment horizons (henceforth, short-term hedge funds) taking advantage of private information and engaging in trading based on such information. We show that short-term hedge funds holdings of a target’s shares in the quarter prior to the M&A announcement date are positively related to the profitability of the deal as measured by the target premium. In addition, we also find that the target price run-up before the deal announcement date is significantly greater for deals with greater short term hedge fund holdings. We also find evidence consistent with informed abnormal short selling and put buying in the corresponding acquirer’s stock prior to M&A announcements. This is particularly evident when hedge funds take larger stakes in target firms. In addition, we show that such a strategy is potentially very profitable. We consider alternative explanations for such short term hedge fund holdings in target firms; however our results seem inconsistent with these alternative explanations but rather, seem to be consistent with trading based on insider information. Overall, our results have important implications regarding the recent policy debate on hedge fund regulation.

Number of Pages in PDF File: 59

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Date posted: January 19, 2011 ; Last revised: March 16, 2011

Suggested Citation

Dai, Rui and Massoud, Nadia and Nandy, Debarshi K. and Saunders, Anthony, Hedge Funds in M&A Deals: Is There Exploitation of Private Information? (January 11, 2011). Available at SSRN: http://ssrn.com/abstract=1742641 or http://dx.doi.org/10.2139/ssrn.1742641

Contact Information

Rui Dai
University of Pennsylvania - Wharton Research Data Services ( email )
3641 Locust Walk
Philadelphia, PA 19104-6365
United States

Nadia Massoud
Melbourne Business School, University of Melbourne ( email )
200 Leicester Street
Carlton, Victoria 3053 3186
Australia
+61 3 9349 8130 (Phone)
+61 3 9349 8136 (Fax)
HOME PAGE: http://mbs.edu/facultyresearch/facultydirectory/Pages/NadiaMassoud.aspx
Debarshi K. Nandy (Contact Author)
Brandeis University - International Business School ( email )
Mailstop 32
Waltham, MA 02454-9110
United States
Anthony Saunders
New York University - Leonard N. Stern School of Business ( email )
44 West 4th Street
9-190, MEC
New York, NY 10012-1126
United States
212-998-0711 (Phone)
212-995-4220 (Fax)
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References:  41
Citations:  3

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