DUPONT CAPITAL MANAGEMENT CORP - CYBERONICS INC ownership

CYBERONICS INC's ticker is CYBX and the CUSIP is 23251P102. A total of 198 filers reported holding CYBERONICS INC in Q3 2015. The put-call ratio across all filers is 0.67 and the average weighting 0.2%.

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 2015
NameSharesValueWeighting ↓
Palo Alto Investors LP 1,863,118$96,808,00011.43%
Century Capital Management, LLC 806,332$41,897,0001.64%
Nichols Asset Management LLC 97,605$5,072,0001.54%
QUANTUM CAPITAL MANAGEMENT 142,748$7,417,0001.51%
OBERWEIS ASSET MANAGEMENT INC/ 97,943$5,089,0001.44%
Redmile Group, LLC 139,100$7,228,0001.27%
HUSSMAN STRATEGIC ADVISORS, INC. 522,000$27,123,0001.24%
WASHINGTON CAPITAL MANAGEMENT, INC 88,936$4,621,0001.20%
Marshall Wace North America L.P. 242,114$12,580,0000.99%
Perella Weinberg Partners Capital Management LP 277,500$14,419,0000.98%
View complete list of CYBERONICS INC shareholders