WESTFIELD CAPITAL MANAGEMENT CO LP - CALGON CARBON CORP ownership

CALGON CARBON CORP's ticker is CCC and the CUSIP is 129603106. A total of 163 filers reported holding CALGON CARBON CORP in Q2 2013. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.

Quarter-by-quarter ownership
WESTFIELD CAPITAL MANAGEMENT CO LP ownership history of CALGON CARBON CORP
ValueSharesWeighting
Q3 2013$325,000
+14.0%
17,1000.0%0.00%0.0%
Q2 2013$285,00017,1000.00%
Other shareholders
CALGON CARBON CORP shareholders Q2 2013
NameSharesValueWeighting ↓
Kassirer Asset Management Corp 134,594$2,867,0002.95%
Kellner Capital, LLC 148,700$3,167,0002.51%
WATER ISLAND CAPITAL LLC 1,653,315$35,216,0002.17%
Versor Investments LP 348,479$7,423,0002.15%
Highlander Capital Management, LLC 104,885$2,234,0001.63%
Segantii Capital Management Ltd 169,140$3,603,0001.11%
GABELLI & Co INVESTMENT ADVISERS, INC. 381,684$8,130,0001.07%
ST GERMAIN D J CO INC 386,495$8,232,0000.98%
Magnetar Financial LLC 2,383,349$50,765,0000.90%
S. MUOIO & CO. LLC 60,000$1,278,0000.76%
View complete list of CALGON CARBON CORP shareholders