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 2.41M $150.60M June 30, 2014
Timpani Capital Management 2.06M $2.06M Dec. 31, 2012
Icahn Capital 1.93M $61.38M March 31, 2011
Vanguard 1.80M $112.59M June 30, 2014
Palo Alto Investors 1.71M $111.71M March 31, 2014
Damian Sousa 1.33M $83.19M June 30, 2014
BlackRock Fund Advisors 1.29M $80.65M June 30, 2014
William Blair $ Company 1.19M $74.48M June 30, 2014
RS INVESTMENT MANAGEMENT 1.02M $63.95M June 30, 2014
Brown Capital Management 920166 $57.47M June 30, 2014
Hussman Econometrics Advisors 898000 $42.04M March 31, 2013
KALMAR INVESTMENTS INC /DE/ 873813 $54.58M June 30, 2014
BlackRock Institutional Trust Company, N.A. 837824 $52.33M June 30, 2014
MACKENZIE FINANCIAL 821537 $51.31M June 30, 2014
Waddell & Reed Financial 766282 $47.86M June 30, 2014
Neuberger Berman 740991 $46.28M June 30, 2014
Columbus Circle Investors 738235 $34.55M March 31, 2013
Luther King Capital Management Corporation 689860 $43.09M June 30, 2014
CITADEL ADVISORS 648412 $30.35M March 31, 2013
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
Chartwell Investment Partners 575080 $19.27M Dec. 31, 2011
Century Capital Management 556089 $36.43M Dec. 31, 2013
Westfield Capital Management Company 544600 $35.63M Dec. 31, 2013
STATE STREET CORPORATION 538220 $33.62M June 30, 2014

Who sold Cyberonics?

Fund Name Date Sold Number of Shares Sold Share Valuation
Rainier Investment Management Dec. 31, 2010 710940 $22.05M