GAMCO INVESTORS, INC. ET AL - CALGON CARBON CORP ownership

Quarter-by-quarter ownership
GAMCO INVESTORS, INC. ET AL ownership history of CALGON CARBON CORP
ValueSharesWeighting
Q4 2017$8,698,000
+46.6%
408,358
+47.3%
0.05%
+45.9%
Q3 2017$5,934,000
+2725.7%
277,286
+2849.9%
0.04%
+3600.0%
Q2 2014$210,000
+2.4%
9,4000.0%0.00%0.0%
Q1 2014$205,0009,4000.00%
Other shareholders
CALGON CARBON CORP shareholders Q1 2018
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