SAC Capital's history under Cohen: Dazzling success, achieved with dubious actions

Even in the high-flying hedge fund world, where vast pools of capital dart in and out of markets with billions at stake, SAC Capital has stood out for its audacity, ambition and mammoth returns.

And it's impossible to discuss SAC Capital without invoking Steven A. Cohen, the firm's founder and guiding hand. The firm, which was hit with criminal insider trading charges Thursday, bears his initials in its name and his imprint on its business.

Cohen left an old-line Wall Street brokerage, Gruntal & Co., to establish SAC Capital in 1992 with an investment that included millions of his own money. And over the past two decades, he built SAC Capital into one of the largest and most envied hedge funds. With its hothouse competitive environment for portfolio managers — and outsize bonuses for trading success and swift punishment for losses — the firm achieved extraordinary success.

And Cohen rose to become one of the highest-profile figures in U.S. finance and the 40th-richest American, with a net worth of $8.8 billion, according to Forbes. He is among an elite group of hedge fund managers who have personally earned at least $1 billion a year.

Of the roughly $15 billion in assets that SAC Capital managed as of earlier this year, about half belongs to Cohen and the firm's employees. The other half is the firm's clients' money.

Were SAC Capital's returns too good to be true?

The firm, based in Stamford, Conn., drew the attention of regulators as far back as 2003. That's when the Securities and Exchange Commission investigated an employee for possible insider trading violations. No charges were brought.

At the center was Raj Rajaratnam, the one-time billionaire and founder of the Galleon group of 14 hedge funds. Rajaratnam is serving an 11-year prison sentence for illegally reaping up to $75 million through his trades.

In their investigation, the authorities came across several portfolio managers at SAC Capital whom they accused in criminal charges of using information from expert network consultants for illegal insider trades. As the managers were charged, the government scrutiny of SAC Capital tightened.

By November, the SEC had brought civil insider trading charges against an affiliate of SAC Capital. The $615 million paid to settle those charges represented the biggest insider trading deal ever, according to the agency.

In its indictment of the firm Thursday, the Justice Department said: "The relentless pursuit of an information 'edge' fostered a business culture within SAC in which there was no meaningful commitment to ensure that such 'edge' came from legitimate research and not inside information."

In one case, it charged, SAC hired a candidate for portfolio manager in 2008 despite his "recognized reputation for insider trading" and over the objections of the firm's legal department.

Traditionally, the funds catered to institutional investors and wealthy individuals. In recent years, they've grown substantially and attracted many pension funds, university endowments and ordinary investors. That means that, at least indirectly, millions of people now invest through hedge funds.

The fund managers use a range of strategies, including some highly risky ones, in pursuit of outsize gains. They invest in nearly anything: commodities, real estate and complex derivatives as well as ordinary stocks.