Who owns Cyberonics?

Key details on Cyberonics (Ticker: CYBX)

Who owns Cyberonics?

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

Fund Name Number of Shares Share Valuation As Of
Schroder Investment Management 6.06M $307.66M Sept. 30, 2013
Renaissance Technologies 2.22M $145.09M March 31, 2014
Timpani Capital Management 2.06M $2.06M Dec. 31, 2012
Icahn Capital 1.93M $61.38M March 31, 2011
Vanguard 1.81M $117.89M March 31, 2014
Palo Alto Investors 1.71M $111.71M March 31, 2014
BlackRock Fund Advisors 1.41M $92.00M March 31, 2014
Damian Sousa 1.33M $83.19M June 30, 2014
RS INVESTMENT MANAGEMENT 1.27M $82.64M March 31, 2014
BlackRock Institutional Trust Company, N.A. 925056 $60.37M March 31, 2014
KALMAR INVESTMENTS INC /DE/ 872476 $56.94M March 31, 2014
MACKENZIE FINANCIAL 845088 $55.15M March 31, 2014
Waddell & Reed Financial 810468 $52.88M March 31, 2014
Columbus Circle Investors 738235 $34.55M March 31, 2013
Luther King Capital Management Corporation 714533 $46.63M March 31, 2014
CITADEL ADVISORS 648412 $30.35M March 31, 2013
Neuberger Berman 642156 $28.86M June 30, 2012
FMR 613600 $31.88M June 30, 2013
Visium Asset Management 606914 $28.40M March 31, 2013
Sentinel Asset Management 589400 $22.47M March 31, 2012
Century Capital Management 556089 $36.43M Dec. 31, 2013
Westfield Capital Management Company 544600 $35.63M Dec. 31, 2013
STATE STREET CORPORATION 543569 $35.47M March 31, 2014
Chartwell Investment Partners 532785 $20.32M March 31, 2012
William Blair $ Company 523767 $34.18M March 31, 2014
DIMENSIONAL FUND ADVISORS 516466 $33.83M Dec. 31, 2013
Hussman Econometrics Advisors 509000 $25.83M Sept. 30, 2013
Heather K. Mellem, Esq. 504310 $16.89M Dec. 31, 2011

Who sold Cyberonics?

Fund Name Date Sold Number of Shares Sold Share Valuation
Rainier Investment Management Dec. 31, 2010 710940 $22.05M
Manulife Asset Management Sept. 30, 2006 534795 $9.37M