Harbinger's

The probes, along with Harbinger's concentrated bet on LightSquared, have spooked some investors, who have asked for some $1 billion in redemptions from the hedge funds, said people familiar with the matter.

Falcone's Venture Runs Into Static Jenny Strasburg 2011

Reuters Harbinger's Philip Falcone shown at an investor conference last month.

LightSquared's Wireless Network Interferes With GPS Amy Schatz 2011

He acknowledges that his clients see LightSquared as a giant gamble because it accounts for much of Harbinger's portfolio.

A Harbinger of wireless risks to come Anthony Effinger 2010

Losses and withdrawals have contributed to Harbinger's decline in size, to about $6 billion in assets from its peak of $26 billion in 2008.

Falcone's Venture Runs Into Static Jenny Strasburg 2011

Harbinger's huge size at that time meant its burgeoning wireless venture was a much smaller share of the firm's holdings.

Harbinger Says Wireless Venture Signed Sprint Deal Jenny Strasburg 2011

LightSquared and other telecommunications investments account for about 90 percent of net assets in Harbinger's Capital Partners fund and more than 50 percent of its Special Situations Fund, which together hold about $5.5 billion, according to investors.

A Harbinger of wireless risks to come Anthony Effinger 2010

He acknowledges that his clients see LightSquared as a giant gamble because it accounts for much of Harbinger's portfolio.

A Harbinger of wireless risks to come Anthony Effinger 2010

Reuters Harbinger's Philip Falcone shown at an investor conference last month.

LightSquared's Wireless Network Interferes With GPS Amy Schatz 2011

LightSquared and other telecommunications investments account for about 90 percent of net assets in Harbinger's Capital Partners fund and more than 50 percent of its Special Situations Fund, which together hold about $5.5 billion, according to investors.

A Harbinger of wireless risks to come Anthony Effinger 2010

Harbinger's main fund was up 2.17% this year through the end of May, according to a person familiar with the matter.

Investors Seek to Pull $1 Billion From Hedge Fund Shira Ovide 2011