[3][5][6] In December 1988, PNP closed due to financial burdens imposed by a Racketeer Influenced and Corrupt Organizations Act investigation.

[3] When TGS started trading, it pursued a form of statistical arbitrage and within a few years, it had made enough to return money to most of its outside investors.

[3][4] In late 1990s, TGS briefly appeared in the news where it mounted an arbitrage campaign against several closed-end funds under the Scottish Investment Trust.

[3][4] The Wall Street Journal reported that TGS outbid Renaissance Technologies and Citadel LLC to hire a International Mathematical Olympiad gold medalist for $700,000 a year.

[3] It also wanted more generous tax treatment for donors who target rare diseases or contribute securities such as bonds to a private foundation.