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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Pershing Square Reaches Agreement in Principle to Settle Allergan (AGN) Related Lawsuits; to Split $290M Settlement with Valent (VRX)
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Chipotle founder out as CEO as investor patience expires
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Billionaire investor Ackman loses bitter ADP proxy battle
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Pershing Square’s Nominees for ADP’s Transformation to Participate in a Fireside Chat
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Pershing Square Nominates Three to Board of Directors of ADP (ADP)
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Pershing Square Announces Nominees for Election to the Board of Directors of ADP
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Activist Ackman looks for board seats, better returns at payroll firm ADP
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Pershing Square's Bill Ackman Joins Twitter using @BillAckman1
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Billionaire investor Paulson joins Valeant board, shares jump
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Humbled by Valeant, Ackman goes back to basics
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Ackman has a winner that is up 30 percent but will not name names
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Drugmaker Valeant raises profit forecast; shares spike
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Herbalife CEO talks about obesity, vindication at Milken Conference
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Ackman apologizes for Valeant losses, calls bet a mistake
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ValueAct Buys 3M Valeant Pharma (VRX) Shares
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Ackman's Pershing Square Confirms Liquidating Valeant Pharma (VRX) Stake
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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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Wall Street drifts with eyes on Fed; Intel drops
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Ackman's Pershing Square Exits Zoetis (ZTS) (more) - 13F
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Valeant (VRX), J. Michael Pearson, Pershing Square, and Bill Ackman Enter 'Litigation Management Agreement'
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Allergan to pay $15 million over failing to disclose merger talks
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Bill Ackman and his wife of 25 years have split and are headed toward a 'big-money divorce' - New York Post
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Pushed by investor Ackman, Chipotle adds four new directors
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Hedge funds slow to adjust champagne tastes to beer budgets
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Ex-Valeant executive, ex-pharmacy CEO charged for fraud scheme
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Valeant Pharma (VRX) Sees Solid Upside
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Valeant may seek to clean up its name by changing it: Ackman
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Exclusive: Ackman's Pershing Square shakes up fees amid losses
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Valeant (VRX) Legal Woes Will Continue to Weigh on Stock, Including Movement in Insider Trading Suit - Wells Fargo's Maris
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Pre-Open Stock Movers 09/07: (RTRX) (AAOI) (FRAN) (CMG) Higher; (SFM) (HDS) (CASY) Lower (more...)
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After-Hours Stock Movers 09/06: (AAOI) (PGNX) (CMG) Higher; (CASY) (PLAY) (SIGM) Lower (more...)
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Ackman buys into Chipotle, to talk to management; shares jump
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Herbalife (HLF) Gains on Chatter Icahn Adding More as He Looks to Bury Ackman
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Bill Ackman Says Valeant (VRX) Now 'Classic' Pershing Square Investment - CNBC
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Valeant stock falls as report of criminal probe adds to woes
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Valeant under criminal investigation over Philidor ties: WSJ
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Big Valeant Pharma (VRX) Investors, Pershing Square's Ackman Met Ahead of Q2 Report -NYP
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Valeant looks to sell billions in assets to cut debt, stock soars
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Valeant names new general counsel, says PR head to leave
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Citron's Left Keeps Changing His Position on Valeant (VRX) - Ackman
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Bill Ackman said Valeant Pharma (VRX) won't sell Bausch & Lomb, will build out it