MARSHALL WACE, LLP - INNOSPEC INC ownership

INNOSPEC INC's ticker is IOSP and the CUSIP is 45768S105. A total of 181 filers reported holding INNOSPEC INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of INNOSPEC INC
ValueSharesWeighting
Q3 2020$840,000
-88.2%
13,260
-85.6%
0.01%
-90.0%
Q2 2020$7,131,000
+58.3%
92,313
+42.4%
0.05%
+11.1%
Q1 2020$4,505,000
+858.5%
64,829
+1129.0%
0.04%
+1025.0%
Q3 2019$470,000
-30.5%
5,275
-64.1%
0.00%
-33.3%
Q2 2016$676,000
+9.2%
14,706
+3.0%
0.01%0.0%
Q1 2016$619,000
+39.7%
14,275
+49.7%
0.01%
+20.0%
Q3 2015$443,0009,5340.01%
Other shareholders
INNOSPEC INC shareholders Q4 2020
NameSharesValueWeighting ↓
KIRR MARBACH & CO LLC /IN/ 89,796$8,147,0002.55%
Huber Capital Management LLC 62,861$5,703,0001.87%
Zebra Capital Management LLC 10,907$990,0001.26%
Round Hill Asset Management 22,938$2,081,0001.17%
Tygh Capital Management, Inc. 66,181$6,005,0000.93%
ROYCE & ASSOCIATES LP 889,968$80,747,0000.67%
Champlain Investment Partners, LLC 808,995$73,400,0000.42%
CONNORS INVESTOR SERVICES INC 31,476$2,856,0000.35%
HITE Hedge Asset Management LLC 13,944$1,265,0000.29%
ZWJ INVESTMENT COUNSEL INC 42,632$3,868,0000.26%
View complete list of INNOSPEC INC shareholders