SIMPLEX TRADING, LLC - INNOSPEC INC ownership

INNOSPEC INC's ticker is IOSP and the CUSIP is 45768S105. A total of 194 filers reported holding INNOSPEC INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of INNOSPEC INC
ValueSharesWeighting
Q3 2021$18,0000.0%2000.0%0.00%
Q2 2021$18,000
-91.6%
200
-94.1%
0.00%
Q3 2020$215,000
+211.6%
3,396
+348.6%
0.00%
Q2 2019$69,000
+6800.0%
757
+2811.5%
0.00%
Q1 2016$1,000
-91.7%
26
-90.3%
0.00%
-100.0%
Q3 2015$12,000
+20.0%
267
+17.1%
0.00%0.0%
Q2 2015$10,0002280.00%
Other shareholders
INNOSPEC INC shareholders Q4 2015
NameSharesValueWeighting ↓
Huber Capital Management LLC 108,131$9,798,0002.50%
KIRR MARBACH & CO LLC /IN/ 87,035$7,886,0002.24%
Tygh Capital Management, Inc. 143,332$12,987,0001.77%
Round Hill Asset Management 22,832$2,069,0001.01%
Telemark Asset Management, LLC 100,000$9,061,0000.72%
Zebra Capital Management LLC 6,614$599,0000.70%
ROYCE & ASSOCIATES LP 916,275$83,024,0000.57%
Champlain Investment Partners, LLC 821,190$74,408,0000.35%
CONNORS INVESTOR SERVICES INC 29,262$2,651,0000.28%
WESTWOOD HOLDINGS GROUP INC 274,066$24,833,0000.25%
View complete list of INNOSPEC INC shareholders