WESTFIELD CAPITAL MANAGEMENT CO LP - RACKSPACE HOSTING INC ownership

RACKSPACE HOSTING INC's ticker is RAX and the CUSIP is 750086100. A total of 264 filers reported holding RACKSPACE HOSTING INC in Q3 2013. The put-call ratio across all filers is 0.85 and the average weighting 0.1%.

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of RACKSPACE HOSTING INC
ValueSharesWeighting
Q2 2015$1,081,000
-97.1%
29,080
-96.0%
0.01%
-96.8%
Q1 2015$37,475,000
+41.5%
726,392
+28.4%
0.22%
+38.5%
Q4 2014$26,479,000
+109.1%
565,672
+45.4%
0.16%
+102.6%
Q3 2014$12,664,000
-5.7%
389,060
-2.5%
0.08%
-3.8%
Q2 2014$13,432,000
-79.7%
399,060
-68.3%
0.08%
-81.1%
Q3 2013$66,328,0001,257,1700.42%
Other shareholders
RACKSPACE HOSTING INC shareholders Q3 2013
NameSharesValueWeighting ↓
Wavelength Asset Management LLC 202,091$4,988,00016.11%
Blue Harbour Group 11,363,939$280,462,0008.74%
OMT Capital Management LLC 108,710$2,683,0003.27%
Parametrica Management Ltd 19,582$483,0003.04%
TOBAM 1,756,085$43,340,0001.69%
Barton Investment Management 184,365$4,550,0001.65%
DIKER MANAGEMENT LLC 294,820$7,276,0001.61%
CEDAR HILL ASSOCIATES, LLC 341,717$8,434,0001.50%
Clearline Capital LP 309,859$7,647,0001.29%
Ionic Capital Management LLC 946,892$23,369,0001.27%
View complete list of RACKSPACE HOSTING INC shareholders