JANA Partners LLC
JANA Partners LLC is a New York based hedge fund managed by Barry Rosenstein. Mr. Rosenstein founded JANA Partners in 2001. The fund primarily invests in the United States public equity markets and uses activist strategies, a market neutral strategy, a long/short equity strategy, and a risk arbitrage strategy.
Before starting JANA Partners, Mr. Rosenstein was the managing partner at Sagaponack Partners, a private equity fund. Prior to Sagaponack Partners, Mr. Rosenstein was the founder and head of Genesis Merchant Group's Investment and Merchant Banking Group. Before Genesis, he formed and was the managing partner of Reatta Partners. Prior to Reatta Partners, Mr. Rosenstein worked at Plaza Securities Corp. and Merrill Lynch.
Mr. Rosenstein is a CPA. He received his MBA from the Wharton School of Business at the University of Pennsylvania in 1984 and his BS from Lehigh University in 1981.
Rosenstein's JANA Partners Boosts GM (GM), Enters Sirius (SIRI), Edwards Lifesciences (EW) (MORE...)
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Rosenstein's JANA Partners Enters Eastman Chemical (EMN), Health Management (HMA); Liquidates Zynga (ZNGA) (more...)
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Oil States (OIS) Falls as IRS REIT Conversion in Question
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David Einhorn bullish on Oil States International (OIS) at Ira Sohn
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Oil States (OIS) Confirms Evaluation of Split of Accommodations Business after JANA Partners Inquiry
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Market Wrap: Home Prices Show Strong Gains; Apple Taps Debt Markets; Best Buy Eases Exposure
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StreetInsider.com Pre-Open Movers 4/30: (HPY) (OIS) (AVP) Higher; (NBS) (NUAN) (PBI) Lower (more...)
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Streetinsider.com After-Hours Movers 4/29: (HTWR) (TXRH) (OIS) Higher; (RVBD) (IDTI) (MBI) Lower (more...)
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JANA Partners Shows New 9.1% Stake in Oil States International, Inc. (OIS)