Innospec Inc.

Historical 13F Holders

Symbol
IOSP
CUSIP
45768S105
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 45768S105 since 12/18/2024, newest first.

Filer % of Class Filed
Allspring Global Investments Holdings, LLC 13G/A Amendment 6 4.7% 10/7/2026
Event 9/30/2026
Allspring Global Investments Holdings, LLC 13G 4.7% 10/7/2026
Event 9/30/2026
Allspring Global Investments Holdings, LLC 13G/A Amendment 5 7.7% 7/31/2026
Event 6/30/2026
Dimensional Fund Advisors LP 13G 5.3% 7/14/2026
Event 6/30/2026
Vanguard Capital Management LLC 13G 5.2% 4/30/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 7.5% 4/29/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 12 0% 3/27/2026
Event 3/13/2026
Wasatch Advisors LP 13G/A Amendment 3 2.1% 5/13/2025
Event 3/31/2025
BlackRock, Inc. 13G/A Amendment 6 14.7% 4/30/2025
Event 3/31/2025
Wasatch Advisors LP 13G/A Amendment 2 6.3% 2/12/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 9 1.83 k $174 k
2026 Q2 284 27.1 M $2.05 B
2026 Q1 267 24.9 M $1.82 B
2025 Q4 265 24.3 M $1.86 B
2025 Q3 271 24.3 M $1.87 B
2025 Q2 267 24.2 M $2.05 B
2025 Q1 278 24.8 M $2.32 B
2024 Q4 268 24.2 M $2.66 B
2024 Q3 268 24.4 M $2.76 B
2024 Q2 271 24.4 M $3.02 B
2024 Q1 247 24.8 M $3.20 B
2023 Q4 232 24.6 M $3.03 B
2023 Q3 219 23.9 M $2.44 B
2023 Q2 209 23.8 M $2.39 B
2023 Q1 226 23.9 M $2.45 B
2022 Q4 234 24.8 M $2.55 B
2022 Q3 199 24.5 M $2.10 B
2022 Q2 205 23.9 M $2.29 B
2022 Q1 194 23.8 M $2.20 B
2021 Q4 189 23.8 M $2.15 B
2021 Q3 190 23.5 M $1.98 B
2021 Q2 186 23.4 M $2.12 B
2021 Q1 184 23.6 M $2.42 B
2020 Q4 189 25.0 M $2.27 B
2020 Q3 201 23.2 M $1.47 B
2020 Q2 192 23.5 M $1.82 B
2020 Q1 189 23.3 M $1.62 B
2019 Q4 216 23.6 M $2.44 B
2019 Q3 215 23.1 M $2.06 B
2019 Q2 210 23.2 M $2.14 B
2019 Q1 191 23.2 M $1.94 B
2018 Q4 186 23.3 M $1.44 B
2018 Q3 198 23.7 M $1.82 B
2018 Q2 188 23.1 M $1.77 B
2018 Q1 181 22.9 M $1.57 B
2017 Q4 185 22.5 M $1.59 B
2017 Q3 176 22.2 M $1.37 B
2017 Q2 170 22.2 M $1.46 B
2017 Q1 183 22.3 M $1.44 B
2016 Q4 205 22.3 M $1.53 B
2016 Q3 208 21.5 M $1.30 B
2016 Q2 185 21.4 M $987 M
2016 Q1 192 21.9 M $948 M
2015 Q4 198 22.3 M $1.21 B
2015 Q3 171 22.8 M $1.07 B
2015 Q2 151 22.2 M $999 M
2015 Q1 138 22.3 M $1.03 B
2014 Q4 126 22.7 M $967 M
2014 Q3 105 23.0 M $825 M
2014 Q2 110 22.9 M $989 M
2014 Q1 109 22.9 M $1.04 B