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.
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Pre-Open Movers 1/20: (INSM) (MSFT) (IBM) Higher; (NCIT) (GOOG) (ISRG) Lower (more...)
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After-Hours Movers 01/19: (CLGX) (SWKS) (MPC) (IBM) Higher; (GOOG) (ISRG) (COF) (MMLP) Lower
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JANA Partners Shows New 5.27% Stake in Marathon Petroleum (MPC)
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After-Hours Movers 08/22: (PWRD) (FMCN) (VRTU) Higher; (GS) Lower
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JANA, Ontario Teachers Fund Suggest Details of McGraw-Hill (MHP) Breakup
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Rosenstein's JANA Partners Makes New Bets on Forest Oil (FST) and Sealed Air (SEE); Exits Comcast (CMCSA), Williams Cos (WMB)
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Notable 52-Week Highs and Lows of the Day 08/02: (MHP) (HLF) (SM) High; (ITUB) (TEVA) (MTOR) Low
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Jana May Pressure McGraw-Hill (MHP) to Split-Up; Move Could Unlock Gobs of Value
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JANA Partners Raises Stake in McGraw-Hill Cos. (MHP) to 2.92%, Teams with Ontario Teachers' Pension Plan
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Ontario Teachers' Pension Plan and JANA Partners Go Hostile on McGraw-Hill Cos. (MHP)
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Barry Rosenstein's JANA Opens New Positions in Pfizer (PFE), McGraw Hill (MHP); Liquidates Stakes in Automakers (GM) (F)
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JANA Partners Ditches Communications for Autos, Takes a Bigger Stake in Gold (GLD) (GM) (F) (MSFT) (S)
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Top 10 News Items 11/15-11/19: The General (GM) Is Back!, China Raises Reserve Requirement for 5th Time This Year, 'Merger Monday' - Literally!
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13F from Rosenstein's Jana Shows Lowered Stake in Motorola (MOT), New Positions in Apple (AAPL), RadioShack (RSH), Raised Stake in Hertz (HTZ)
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Notable Mergers and Acquisitions of the Day 07/30: CRL/WX, DIS, WXS
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Charles River (CRL) Terminates Agreement to Acquire WuXi PharmaTech (WX)
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JANA Partners Comments on Charles River (CRL) and WuXi PharmaTech (WX) Proposed Acquisition; Sends Letter to Charles River
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After-Hours Movers 6/7: DRRX, DEPO, CASC, AONE, CRL Higher; NWY, TRCI, CHP, PBY Lower
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Jana Partners Discloses 7% Stake In Charles Rivers (CRL), Raises Doubts About WuXi (WX) Merger
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Rosenstein's Jana Partners Q4 13F Breakdown: Ups Bets In Financials
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JANA Partners Latest Filing Shows New Stakes in BAC, NFG, SGP and CMCSA
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Rosenstein's JANA Partners Shows New 3.6M Share Stake In BofA (BAC)
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Jana Partners Changes Filing Status On PRG-Schultz (PRGX) to '13D', Wants Co To Review Strategic Alternatives
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JANA Partners Discloses New 5.5% Stake In Immucor (BLUD)
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Quarterly Data Confirms Hedge Funds Exited Stocks In A Big Way
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JANA Partners Discloses 5.7% Stake in Hayes Lemmerz (HAYZ)
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JANA Partners Raises Stake in Convergys (CVG) to 11.3%
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JANA Partners 13F Shows New Stakes in Genentech (DNA), Sears (SHLD), Washington Mutual (WM); Adds to Positions in AK Steel (AKS), Focus Media (FMCN), Transocean (RIG); Sells Out of Apple (AAPL), Lehma
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Jana Partners Boosts Stake in Corel (CREL) Above 5%
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Jana Partners Boosts Stake in Health Net (HNT) to 6.2%
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JANA Partners Discloses 14.5% Stake in ULURU (ULU)
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Jana Partners Discloses 7.6% Stake in Xerium Tech (XRM)
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Unusual 11 Mid-Day Movers 6/4: BOBE, SQNM, GES, FED Higher; IDEV, WBCO, ROYL, COR Lower
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JANA Partners Discloses 9.9% Stake in FirstFed Financial (FED)
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Health Net (HNT) Continues Higher on Takeover Chatter
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Summary of JANA Partners 13F; New Stakes in AAPL, CROX, RAI, MSFT, MF, FMCN, Ups Stake in CSCO, FCX
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CNET Networks (CNET) Reports Mixed Q1 Earnings; Guides Q2; Cut Workforce 10% in Qtr.
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Unusual 11 Mid-Day Movers 4/18: OSTK, MF, GOOG, PMCS Higher; TOMO, GFIG, ISRG Lower
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Pre-Open Movers 4/18: Citi (C) Up As Results Prove Not As Bad; Google (GOOG) Continues To Run on Blow-Out Results
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JANA Partners Discloses 8.2% Stake in MF Global (MF)
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Rosenstein's JANA Partners Discloses 5.1% Stake in Convergys (CVG)
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Buckingham Research Upgrades Omnicare (OCR) to Accumulate
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CNET Networks Comments on Jana Partners' White Paper
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JANA Partners Boosts Stake in Commscope (CTV) to 7.2%
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CNET Networks Issues Statement
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JANA Partners Comments on CNET Reorganization
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JANA Partners Discloses 7.3% Stake in Omnicare (OCR)
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Jana Partners Discloses 6.2% Stake in Actuate (ACTU)
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CNET Networks (CNET) Appealing to Delaware Supreme Court Decision
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CNET Networks (CNET) Issues Statement Regarding Delaware Court of Chancery Ruling

