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Nov 29, 2017 08:13AM Chipotle founder out as CEO as investor patience expires

Nov 7, 2017 06:05AM Billionaire investor Ackman loses bitter ADP proxy battle

Aug 4, 2017 08:11AM Activist Ackman looks for board seats, better returns at payroll firm ADP

Jun 26, 2017 04:53PM Hedge fund Paulson & Co discloses 6.3 percent stake in Valeant

Jun 19, 2017 09:01AM Billionaire investor Paulson joins Valeant board, shares jump

Jun 8, 2017 04:45AM Small is lucrative for Wachtell, corporate America's legal defense force

Jun 5, 2017 06:15PM Drugmaker Perrigo says CEO Hendrickson plans to retire

May 18, 2017 08:08PM Humbled by Valeant, Ackman goes back to basics

May 3, 2017 04:11PM Herbalife CEO talks about obesity, vindication at Milken Conference

Apr 6, 2017 09:57PM Exclusive: Billionaire investor Julian Robertson pulls plug on protege fund

Mar 29, 2017 06:31PM Ackman apologizes for Valeant losses, calls bet a mistake

Mar 14, 2017 07:43AM Energy drags on Wall St. as oil falls further; airlines slide

Mar 13, 2017 07:40AM Wall Street drifts with eyes on Fed; Intel drops

Mar 10, 2017 03:28PM Sessions asks 46 Obama-era U.S. attorneys to resign

Jan 17, 2017 04:41PM Allergan to pay $15 million over failing to disclose merger talks

Jan 9, 2017 08:33AM Japan's Takeda to buy U.S. cancer drug maker Ariad in $5.2 billion deal

Dec 16, 2016 09:21AM Pushed by investor Ackman, Chipotle adds four new directors

Nov 21, 2016 01:02AM Hedge funds slow to adjust champagne tastes to beer budgets

Nov 10, 2016 07:14PM Valeant may seek to clean up its name by changing it: Ackman

Oct 28, 2016 02:11PM Exclusive: Ackman's Pershing Square shakes up fees amid losses

Sep 12, 2016 07:16AM Activist Starboard demands rapid changes at Perrigo

Sep 6, 2016 05:33PM Ackman buys into Chipotle, to talk to management; shares jump

Jun 20, 2016 04:04PM Ackman releases new Herbalife video; stock climbs

Jun 7, 2016 12:09PM Streetinsider.com's Hot Lunchtime Reads 6/7: (BIIB) (YHOO) (VRX) (RGLS) (TSLA)

May 18, 2016 05:29PM Activist investor heavyweights form new lobbying arm

May 16, 2016 04:54PM Regulatory filings show which Valeant investors exited in first quarter

May 11, 2016 04:22PM Key player in Pershing Square's Valeant bet leaving firm

Apr 14, 2016 06:12PM Exclusive: Valeant calls in investment banks to weigh options - sources

Apr 6, 2016 06:09AM Ackman to face investor grilling after record quarterly loss

Apr 4, 2016 01:08PM U.S. regulator sues ValueAct over Halliburton-Baker Hughes disclosures

Mar 25, 2016 02:24PM Senate's request for info from Ackman related to Valeant: source

Mar 17, 2016 04:32PM S&P says it may cut Ackman hedge fund's rating

Feb 10, 2016 07:12PM Ackman's Pershing Square Holdings down 18.6 percent so far in 2016: investor

Jan 28, 2016 11:00AM Bearish views abound at elite hedge fund conference

Jan 20, 2016 04:11PM U.S. hedge funds boast lower losses as markets tumble further

Jan 5, 2016 08:51AM Ackman's Pershing Square ends 2015 with 20.5 pct drop

Dec 18, 2015 01:39AM Big U.S. pharmacies square off on Daraprim supplies

Dec 15, 2015 09:17PM Ackman tells investors that this year could be his firm's worst ever

Dec 8, 2015 04:39PM Ackman plays big role in laying out Canadian Pacific rail deal

Nov 23, 2015 05:44PM Ackman boosts stake in drugmaker Valeant

Nov 23, 2015 04:29PM Hedge funds' favorite stocks lag broader market: Goldman data

Nov 18, 2015 06:35PM Ackman's Pershing Square Holdings off 24.5 percent YTD

Nov 17, 2015 07:29PM Norfolk Southern hostile to Canadian Pacific's $28.4 billion bid

Nov 11, 2015 03:01PM Valeant, Ackman must face U.S. insider trading lawsuit

Nov 9, 2015 07:16PM Citron turns spotlight on Mallinckrodt, shares plunge

Nov 9, 2015 08:20AM Ackman says Valeant likely to pay down debt in the next 18 months

Nov 6, 2015 10:08PM Valeant investors divided on fate of CEO Pearson

Nov 6, 2015 03:36PM Big bets on Valeant hit some hedge funds hard in October

Nov 5, 2015 02:43PM Ackman, in email, says supports Valeant CEO Pearson

Nov 5, 2015 10:58AM Ackman backs Valeant CEO as shares tumble to 2-1/2 year lows

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