PEAK6 Group LLC - DRESSER-RAND GROUP INC ownership

Quarter-by-quarter ownership
PEAK6 Group LLC ownership history of DRESSER-RAND GROUP INC
ValueSharesWeighting
Q4 2014$850,000
-92.2%
10,389
-93.9%
0.01%
-94.3%
Q2 2014$10,939,000
-68.0%
171,639
-70.7%
0.10%
-64.3%
Q1 2014$34,208,000
+75.4%
585,658
+79.1%
0.29%
+117.8%
Q4 2013$19,503,000
+2052.6%
327,077
+2154.1%
0.14%
+13400.0%
Q3 2013$906,000
-80.6%
14,510
-81.3%
0.00%
-94.1%
Q2 2013$4,665,00077,7760.02%
Other shareholders
DRESSER-RAND GROUP INC shareholders Q3 2023
NameSharesValueWeighting ↓
Calypso Capital Management, LP 203,476$12,223,0005.90%
BERNZOTT CAPITAL ADVISORS 298,710$17,917,0004.92%
NEUMEIER POMA INVESTMENT COUNSEL LLC 221,925$13,311,0003.47%
MRJ CAPITAL INC 78,100$4,684,0003.36%
VIKING FUND MANAGEMENT LLC 280,000$16,794,0003.08%
IRIDIAN ASSET MANAGEMENT LLC/CT 3,966,422$237,906,0003.00%
ARMSTRONG SHAW ASSOCIATES INC/CT 1,092,389$65,521,0002.74%
Oceanic Investment Management LTD 115,468$6,926,0002.48%
HALSEY ASSOCIATES INC/CT 152,887$9,170,0002.35%
ZEVENBERGEN CAPITAL INVESTMENTS LLC 747,700$44,847,0001.81%
View complete list of DRESSER-RAND GROUP INC shareholders