INNOSPEC INC. - Common Stock (IOSP)

Historical Holders from Q1 2014 to Q3 2025

Symbol
IOSP on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
25M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
24M
Holdings value
$1.85B
% of all portfolios
0.002%
Grand Portfolio weight change
0%
Number of holders
262
Number of buys
134
Number of sells
-123
Average Value change %
+0%
Average buys %
+0.001%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of INNOSPEC INC. - Common Stock (IOSP)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 14.7% $331M 3.68M BlackRock, Inc. 31 Mar 2025
WASATCH ADVISORS LP 2.1% -70% $47.5M -$94.6M 528K -66.6% WASATCH ADVISORS LP 31 Mar 2025

Institutional Holders of INNOSPEC INC. - Common Stock (IOSP)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 24M $1.85B -$14.2M $77.16 262
2025 Q2 24.1M $2.03B -$245K $84.09 262
2025 Q1 24M $2.27B -$35.9M $94.75 270
2024 Q4 24.2M $2.66B +$14.6M $110.06 261
2024 Q3 24.1M $2.73B +$4.42M $113.09 259
2024 Q2 24M $2.96B +$1.5M $123.59 265
2024 Q1 24M $3.09B +$6.81M $128.94 236
2023 Q4 24M $2.96B +$15.8M $123.24 223
2023 Q3 23.8M $2.44B +$4.04M $102.20 212
2023 Q2 23.8M $2.39B -$7.22M $100.44 203
2023 Q1 23.9M $2.45B +$13.4M $102.67 218
2022 Q4 24M $2.46B -$11.1M $102.86 221
2022 Q3 24M $2.06B -$14.3M $85.67 185
2022 Q2 23.9M $2.29B +$28.4M $95.79 194
2022 Q1 23.8M $2.2B +$3.24M $92.55 179
2021 Q4 23.7M $2.14B -$194M $90.34 180
2021 Q3 23.4M $1.97B +$4.27M $84.22 181
2021 Q2 23.4M $2.12B -$19.8M $90.61 174
2021 Q1 23.6M $2.42B -$18.3M $102.69 175
2020 Q4 23.8M $2.16B +$63.8M $90.73 171
2020 Q3 23.2M $1.47B -$21.5M $63.32 181
2020 Q2 23.5M $1.82B +$23.5M $77.25 178
2020 Q1 23.3M $1.62B -$17.9M $69.49 173
2019 Q4 23.3M $2.41B +$21.7M $103.44 204
2019 Q3 23.1M $2.06B -$7.37M $89.14 206
2019 Q2 23.1M $2.11B +$21.7M $91.24 195
2019 Q1 23.2M $1.93B +$18.7M $83.35 180
2018 Q4 23M $1.42B -$15.9M $61.76 174
2018 Q3 23.2M $1.78B +$12.3M $76.75 181
2018 Q2 23.1M $1.77B +$25.2M $76.55 179
2018 Q1 22.8M $1.56B +$16.1M $68.60 173
2017 Q4 22.5M $1.59B +$23.8M $70.60 179
2017 Q3 22.2M $1.37B -$3.09M $61.65 175
2017 Q2 22.2M $1.46B +$19.5M $65.55 169
2017 Q1 22.2M $1.43B +$174M $64.75 181
2016 Q4 22.2M $1.52B +$53M $68.50 196
2016 Q3 21.5M $1.3B +$4.54M $60.81 202
2016 Q2 21.4M $985M -$18.7M $45.99 179
2016 Q1 21.9M $948M -$18.4M $43.36 186
2015 Q4 22M $1.19B -$36.8M $54.31 191
2015 Q3 22.8M $1.06B +$30M $46.51 164
2015 Q2 22.2M $999M -$6.08M $45.04 146
2015 Q1 22.3M $1.03B -$527K $46.39 135
2014 Q4 22.4M $954M -$27.1M $42.70 121
2014 Q3 23M $825M +$16.5M $35.90 103
2014 Q2 22.5M $971M +$4.16M $43.17 105
2014 Q1 22.4M $1.01B +$8.12M $45.23 105