DUPONT CAPITAL MANAGEMENT CORP - CYBERONICS INC ownership

CYBERONICS INC's ticker is CYBX and the CUSIP is 23251P102. A total of 187 filers reported holding CYBERONICS INC in Q3 2013. The put-call ratio across all filers is 0.69 and the average weighting 0.1%.

Quarter-by-quarter ownership
DUPONT CAPITAL MANAGEMENT CORP ownership history of CYBERONICS INC
ValueSharesWeighting
Q3 2015$575,000
-49.8%
9,463
-54.0%
0.02%
-28.6%
Q4 2014$1,146,000
+8.8%
20,5870.0%0.02%
+16.7%
Q3 2014$1,053,000
-53.9%
20,587
-43.7%
0.02%
-51.4%
Q2 2014$2,284,000
-4.3%
36,5670.0%0.04%
-5.1%
Q1 2014$2,386,000
-0.4%
36,5670.0%0.04%
-7.1%
Q4 2013$2,396,000
+11.8%
36,567
-13.4%
0.04%
+7.7%
Q3 2013$2,143,000
+225.7%
42,230
+233.5%
0.04%
+225.0%
Q2 2013$658,00012,6610.01%
Other shareholders
CYBERONICS INC shareholders Q3 2013
NameSharesValueWeighting ↓
Palo Alto Investors LP 1,621,101$82,936,0006.20%
Ghost Tree Capital, LLC 75,000$3,837,0002.08%
Stanley-Laman Group, Ltd. 134,670$6,890,0001.34%
Brown Capital Management 1,164,097$59,555,0001.06%
Redmile Group, LLC 172,900$8,846,0001.02%
Matarin Capital Management, LLC 36,500$1,867,340,0000.86%
WASHINGTON CAPITAL MANAGEMENT, INC 41,884$2,142,0000.85%
Matterhorn Capital Management, LLC 29,736$1,521,0000.68%
Elk Creek Partners, LLC 48,675$2,490,0000.65%
Rhenman & Partners Asset Management AB 43,000$2,200,0000.64%
View complete list of CYBERONICS INC shareholders