William Ackman
Bill Ackman runs hedge fund Pershing Square Capital, which he started in 2003 following the dissolution of Gotham Partners.
Ackman is a value investor with an activist bent. Activist investors agitate management for changes. He owns large positions in Target (NYSE: TGT) and Borders (NYSE: BGP). He has also been involved in activist situations at Wendy's (NYSE: WEN) and McDonald's (NYSE: MCD).
Ackman proved his acumen as a short seller in 2007/2008 as short positions he held in MBIA (NYSE: MBI) and Ambac (NYSE: ABK) proved to be big winners due to the credit crunch.
In July 2008, Ackman said he was short the common stock of Fannie Mae (NYSE: FNM) and Freddie Mac (NYSE: FRE). Ackman also laid out a plan to reorganize the GSEs, which would wipe out the common shareholders.
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Ackman has a winner that is up 30 percent but will not name names
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Pershing Square Bill Ackman Discusses Howard Hughes (HHC) Again at Sohn
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Six New York City Scientists Win Pershing Square Sohn Prize for Young Investigators in Cancer Research
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WPP Quarterly Trading Update
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Pershing Square Holdings, Ltd. Announces First Quarter 2017 Investor Call
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Sohn Investment Idea Contest Sponsored by GLG Is Accepting Submissions in Advance of 22nd Annual Sohn Investment Conference
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Mondelez lays groundwork to replace its CEO: WSJ
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Chipotle shareholders pull vote to split CEO, chairman jobs
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9th Annual SALT Conference to Take Place May 16-19th, 2017 in Las Vegas
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Ackman apologizes for Valeant losses, calls bet a mistake
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Fannie, Freddie investors seek rehearing of U.S. case on profit seizure
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Ackman's Pershing Square Holdings seeks London listing
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Hedge fund manager Eric Mindich shuts down Eton Park
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Senate panel presses SEC nominee Clayton on conflicts
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NBA's Chris Paul, other celebrity athletes, invest for a cause
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Chipotle says one-third of directors will not run again
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ValueAct boosts Valeant stake after Pershing exits
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ValueAct Buys 3M Valeant Pharma (VRX) Shares
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Valeant shares fall as Ackman exit highlights company's challenges
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Ackman's Pershing Square Confirms Liquidating Valeant Pharma (VRX) Stake
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LPC: Valeant refinancing on track despite Ackman stock sale
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Valeant (VRX) call put ratio 1 to 1 after Ackman’s Pershing Square liquidates his entire stake
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Bill Ackman tells CNBC 'I should have sold Valeant Pharma (VRX) sooner'
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Chipotle Mexican Grill (CMG) Down 1.4% as Traders Fear Ackman Could Liquidate Next
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Pre-Open Movers 03/14: (MGI) (RT) (ETRM) Higher; (ANTH) (AUPH) (VRX) Lower (more...)
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Energy drags on Wall St. as oil falls further; airlines slide
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Valeant (VRX) call put ratio 1.48 calls to 1 put into Bill Ackman’s Pershing Square sells entire stake
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Valeant (VRX) volatility flat into Bill Ackman’s Pershing Square liquidates entire stake
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After-Hours Stock Movers 03/13: (RT) (REN) Higher; (ANTH) (AUPH) (VRX) Lower (more...)
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Pershing Square Sells Stake in Valeant (VRX), Potentially Losing Over $5 Billion
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Pershing Square Capital Management, L.P. Announces Sale of Its Investment In Valeant Pharmaceuticals International, Inc.
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Ackman's Pershing Square sells Valeant stake, takes $3 billion loss
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Wall Street drifts with eyes on Fed; Intel drops
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Ackman's Pershing Square Has No Current Plans to Sell Chipotle Mexican Grill (CMG) Shares Amid Prospectus
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WPP 2016 Preliminary Results
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Fannie, Freddie shares dive after U.S. appeals court ruling
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Northern Dynasty Minerals (NAK) Says Short Seller's Claims Are Unfounded
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Northern Dynasty Refutes Short Seller Claims
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Icahn raises stakes in Herbalife, Hertz, cuts Freeport-McMoran in fourth quarter
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Herbalife investor Stiritz cuts holding; Icahn lifts his: filing
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Ackman's Pershing Square Exits Zoetis (ZTS) (more) - 13F
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General Mills (GIS) Gains on Rumors
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Valeant (VRX), J. Michael Pearson, Pershing Square, and Bill Ackman Enter 'Litigation Management Agreement'
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National Oilwell Varco (NOV) Gains on Activist Rumor
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CEOs targeted more by activists but give them fewer board seats

