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Portfolio pumping: An examination of investment manager quarter-end trading and impact on performance

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Author Info

  • Gallagher, David R.
  • Gardner, Peter
  • Swan, Peter L.

Abstract

Utilizing a database of daily institutional fund manager trades, we examine the contribution of strategic trading at quarter-end associated with potential 'portfolio pumping' or 'ramping up' of reported stock prices around quarter-ends. We provide the first direct evidence that active fund managers tend to purchase illiquid stocks on the last day of the quarter, in stocks in which they already hold overweight portfolio positions. Consistent with the way fund managers are evaluated, we found that the poor-performing managers display greater evidence of portfolio pumping. Both increased regulatory scrutiny and improvements to market microstructure design reduce the severity of stock price changes at quarter-ends.

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Bibliographic Info

Article provided by Elsevier in its journal Pacific-Basin Finance Journal.

Volume (Year): 17 (2009)
Issue (Month): 1 (January)
Pages: 1-27

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Handle: RePEc:eee:pacfin:v:17:y:2009:i:1:p:1-27

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Web page: http://www.elsevier.com/locate/pacfin

Related research

Keywords: Gaming behavior Window dressing Portfolio pumping Market manipulation;

References

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  1. Demir, Isabelle & Muthuswamy, Jay & Walter, Terry, 2004. "Momentum returns in Australian equities: The influences of size, risk, liquidity and return computation," Pacific-Basin Finance Journal, Elsevier, vol. 12(2), pages 143-158, April.
  2. Erik R. Sirri & Peter Tufano, 1998. "Costly Search and Mutual Fund Flows," Journal of Finance, American Finance Association, vol. 53(5), pages 1589-1622, October.
  3. Hillion, Pierre & Suominen, Matti, 2004. "The manipulation of closing prices," Journal of Financial Markets, Elsevier, vol. 7(4), pages 351-375, October.
  4. Michael Aitken & Carole Comerton-Forde & Alex Frino, 2005. "Closing call auctions and liquidity," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 45(4), pages 501-518.
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  6. Guercio, Diane Del & Tkac, Paula A., 2002. "The Determinants of the Flow of Funds of Managed Portfolios: Mutual Funds vs. Pension Funds," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 37(04), pages 523-557, December.
  7. David R. Gallagher & Adrian Looi, 2006. "Trading behaviour and the performance of daily institutional trades," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 46(1), pages 125-147.
  8. Stan Hurn & Vlad Pavlov, 2003. "Momentum in Australian Stock Returns," Australian Journal of Management, Australian School of Business, vol. 28(2), pages 141-155, September.
  9. Narasimhan Jegadeesh, 2001. "Profitability of Momentum Strategies: An Evaluation of Alternative Explanations," Journal of Finance, American Finance Association, vol. 56(2), pages 699-720, 04.
  10. Sawicki, J, 2001. "Investors' Differential Response to Managed Fund Performance," Journal of Financial Research, Southern Finance Association & Southwestern Finance Association, vol. 24(3), pages 367-84, Fall.
  11. Mark M. Carhart & Ron Kaniel & David K. Musto & Adam V. Reed, 2002. "Leaning for the Tape: Evidence of Gaming Behavior in Equity Mutual Funds," Journal of Finance, American Finance Association, vol. 57(2), pages 661-693, 04.
  12. Peter Fortune, 1998. "Mutual funds, part II: fund flows and security returns," New England Economic Review, Federal Reserve Bank of Boston, issue Jan, pages 3-22.
  13. Douglas Foster, F. & Gallagher, David R. & Looi, Adrian, 2011. "Institutional trading and share returns," Journal of Banking & Finance, Elsevier, vol. 35(12), pages 3383-3399.
  14. Jegadeesh, Narasimhan & Titman, Sheridan, 1993. " Returns to Buying Winners and Selling Losers: Implications for Stock Market Efficiency," Journal of Finance, American Finance Association, vol. 48(1), pages 65-91, March.
  15. Harris, Lawrence, 1989. "A Day-End Transaction Price Anomaly," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 24(01), pages 29-45, March.
  16. Keim, Donald B., 1983. "Size-related anomalies and stock return seasonality : Further empirical evidence," Journal of Financial Economics, Elsevier, vol. 12(1), pages 13-32, June.
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Citations

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Cited by:
  1. Marija Corluka & Edwin O. Fischer, 2012. "Forensic Finance: Market Abuse and Price Manipulation in Security Markets on the Trail," Working Paper Series, Social and Economic Sciences 2012-04, Faculty of Social and Economic Sciences, Karl-Franzens-University Graz.
  2. Tālis J. Putniņš, 2012. "Market Manipulation: A Survey," Journal of Economic Surveys, Wiley Blackwell, vol. 26(5), pages 952-967, December.

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