Here are the eleven most important moves made in the hedge fund world this week.
Bill Ackman reduced his Herbalife short significantly, replacing it with long-term put options.
Dan Loeb ups his activist campaign at Sotheby’s, snatching 9.3% of the company while calling for its CEO to resign.
Mick McGuire and Marcato Capital reported that they still hold a large stake in Sotheby’s alongside Loeb.
Jeff Ubben and ValueAct, another activist, now own 9.7% of Rockwell Collins; say they’re banking on avionics division.
Richard Perry cuts 9M J.C. Penney shares.
Dmitry Balyasny’s Walter Energy bet shows he doesn’t think coal is dead just yet.
Ken Griffin’s Citadel Advisors reported a new 5.8% stake in Global Brass and Copper Holdings.
Ricky Sandler, Eminence Capital up their Aeropostale position.
Peter Kolchinsky’s biotech fund doubles its Achillion Pharmaceuticals stake.