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 7.67M $15.41M Dec. 31, 2013
Deerfield Management Company 3.98M $8.01M Dec. 31, 2013
Austin W. Marxe and David M. Greenhouse 2.79M $4.60M Dec. 31, 2012
Wellington Management Company 2.47M $4.86M Sept. 30, 2013
Chubb Corporation 2.30M $4.63M Dec. 31, 2013
Vanguard 2.26M $4.54M Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 1.98M $3.99M Dec. 31, 2013
DIMENSIONAL FUND ADVISORS 1.97M $3.97M Dec. 31, 2013
BlackRock Fund Advisors 1.71M $3.44M Dec. 31, 2013
StepStone 1.34M $2.70M Dec. 31, 2013
Broadfin Capital 869217 $1.50M Dec. 31, 2011
Ameriprise Financial 836444 $1.54M June 30, 2012
NORTHERN TRUST 827529 $1.66M Dec. 31, 2013
STATE STREET CORPORATION 818259 $1.64M Dec. 31, 2013
Dr. Jeffrey R. Jay, M.D 600000 $990000 Sept. 30, 2012
Mazama Capital Management 427302 $705048 Dec. 31, 2012
"Perkins Capital Management, Inc." 385150 $774151 Dec. 31, 2013
ESSEX INVESTMENT MANAGEMENT 351601 $706718 Dec. 31, 2013
Verition Fund Management 334869 $673086 Dec. 31, 2013
Daniels & Tansey 323435 $682447 Sept. 30, 2011
Bridgeway Capital Management 309088 $509995 Dec. 31, 2012
Segall Bryant & Hamill 306660 $616386 Dec. 31, 2013
Geode Capital Management 303207 $597317 Sept. 30, 2013
TIAA-CREF Investment Management 271790 $535426 Sept. 30, 2013
GRT Capital Partners 255341 $523449 June 30, 2013
Hudson Bay Capital Management 248875 $410643 Sept. 30, 2012
BlackRock Investment Management 208668 $419422 Dec. 31, 2013

Who sold Alphatec Holdings?

Fund Name Date Sold Number of Shares Sold Share Valuation
Adage Capital Partners GP March 31, 2013 324575 $684853
Allianz Global Investors of America Sept. 30, 2011 584400 $1.23M
Kleinheinz Capital Partners Sept. 30, 2011 391392 $825837
Daniel D. Thurber Sept. 30, 2011 340000 $717400
GAGNON SECURITIES June 30, 2011 356345 $1.24M
Technical Financial Services March 31, 2011 222155 $599818
Catapult Capital Management March 31, 2011 220000 $594000
Diamondback Capital Management June 30, 2010 436800 $2.03M