Who owns Alphatec Holdings?

Key details on Alphatec Holdings (Ticker: ATEC)

Who owns Alphatec Holdings?

Is ATEC a good stock to own? Find out who bought Alphatec Holdings, who sold Alphatec Holdings (ATEC) stock, and who holds a large position in Alphatec Holdings.

Fund Name Number of Shares Share Valuation As Of
Paradigm Capital Management 4.47M $6.31M Dec. 31, 2014
Deerfield Management Company 3.98M $5.62M Dec. 31, 2014
Austin W. Marxe and David M. Greenhouse 2.79M $4.60M Dec. 31, 2012
Wellington Management Company 2.47M $4.86M Sept. 30, 2013
BlackRock Institutional Trust Company, N.A. 2.43M $3.42M Dec. 31, 2014
Vanguard 2.39M $3.36M Dec. 31, 2014
Chubb Corporation 2.30M $3.25M Dec. 31, 2014
BlackRock Fund Advisors 1.73M $2.59M March 31, 2014
DIMENSIONAL FUND ADVISORS 1.71M $2.41M Dec. 31, 2014
Robeco Investment Management 1.47M $2.07M Dec. 31, 2014
StepStone 1.34M $1.90M Dec. 31, 2014
Segall Bryant & Hamill 1.11M $1.56M Dec. 31, 2014
Nuveen Asset Management 1.01M $1.42M Dec. 31, 2014
CAM Group Holding A/S 888628 $1.25M Dec. 31, 2014
Broadfin Capital 869217 $1.50M Dec. 31, 2011
STATE STREET CORPORATION 824649 $1.24M March 31, 2014
NORTHERN TRUST 737583 $1.11M March 31, 2014
Bridgeway Capital Management 641599 $962398 March 31, 2014
Waterstone Capital Management 630059 $1.03M June 30, 2014
Dr. Jeffrey R. Jay, M.D 600000 $990000 Sept. 30, 2012
Ameriprise Financial 522587 $736847 Dec. 31, 2014
Verition Fund Management 461179 $848569 June 30, 2012
"Perkins Capital Management, Inc." 451650 $745222 Dec. 31, 2012
Mazama Capital Management 427302 $705048 Dec. 31, 2012
ESSEX INVESTMENT MANAGEMENT 386674 $657345 Sept. 30, 2014

Who sold Alphatec Holdings?

Fund Name Date Sold Number of Shares Sold Share Valuation
Allianz Global Investors of America Sept. 30, 2011 584400 $1.23M
Kleinheinz Capital Partners Sept. 30, 2011 391392 $825837
Diamondback Capital Management June 30, 2010 436800 $2.03M