CENTRAL SECURITIES CORP - RADISYS CORP ownership

RADISYS CORP's ticker is RSYS and the CUSIP is 750459109. A total of 53 filers reported holding RADISYS CORP in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
CENTRAL SECURITIES CORP ownership history of RADISYS CORP
ValueSharesWeighting
Q2 2015$1,241,000
+19.0%
484,9000.0%0.28%
+12.0%
Q1 2015$1,043,000
-8.1%
484,9000.0%0.25%
+1.2%
Q4 2014$1,135,000
-12.4%
484,9000.0%0.25%
-12.8%
Q3 2014$1,295,000
-23.5%
484,9000.0%0.28%
-19.7%
Q2 2014$1,692,000
-2.8%
484,9000.0%0.35%
-6.6%
Q1 2014$1,741,000
+42.1%
484,900
-9.3%
0.38%
+41.9%
Q4 2013$1,225,000
-28.7%
534,9000.0%0.26%
-35.8%
Q3 2013$1,717,000
-61.6%
534,900
-42.4%
0.41%
-64.7%
Q2 2013$4,467,000928,7001.17%
Other shareholders
RADISYS CORP shareholders Q4 2014
NameSharesValueWeighting ↓
VIEX Capital Advisors, LLC 483,490$310,0000.20%
Herald Investment Management Ltd 605,500$387,0000.12%
Malaga Cove Capital, LLC 62,250$40,0000.02%
Ancora Advisors LLC 709,312$455,0000.02%
B. Riley Financial, Inc. 96,600$62,0000.02%
KENNEDY CAPITAL MANAGEMENT LLC 499,803$320,0000.01%
A.R.T. Advisors, LLC 182,274$116,0000.01%
Moors & Cabot, Inc. 42,000$27,0000.00%
Stone Ridge Asset Management LLC 83,499$54,0000.00%
Renaissance Technologies 3,146,799$2,017,0000.00%
View complete list of RADISYS CORP shareholders