ENGLEWOOD, CO
INNOSPEC INC.IOSP— Latest position per institution from SEC 13F filings
15
Institutional holders
25.06M
Total shares held
2.19B
Estimated value
1.25M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
4.38M
Value
356.60M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.91M
Value
482.97M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
3.12M
Value
238.89M
Filed
Dec 31, 2025
ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC
CIK 1890906
Shares
1.89M
Value
154.75M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.88M
Value
153.36M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.31M
Value
106.22M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.11M
Value
90.19M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
996.03K
Value
81.07M
Filed
Jun 30, 2026
NUVEEN, LLC
CIK 1871926
Shares
755.72K
Value
61.51M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
666.59K
Value
54.26M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
662.21K
Value
53.90M
Filed
Jun 30, 2026
VICTORY CAPITAL MANAGEMENT INC
CIK 1040188
Shares
660.11K
Value
53.73M
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
568.71K
Value
46.29M
Filed
Jun 30, 2026
WESTWOOD HOLDINGS GROUP INC
CIK 1165002
Shares
491.45K
Value
37.62M
Filed
Dec 31, 2025
PACER ADVISORS, INC.
CIK 1616667
Shares
485.71K
Value
53.46M
Filed
Dec 31, 2024
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
482.55K
Value
39.27M
Filed
Jun 30, 2026
NUVEEN ASSET MANAGEMENT, LLC
CIK 1521019
Shares
471.10K
Value
51.85M
Filed
Dec 31, 2024
FINANCIAL HARVEST, LLC
CIK 2052933
Shares
433.84K
Value
12.63M
Filed
Mar 31, 2025
BROWN ADVISORY INC
CIK 1345929
Shares
408.47K
Value
33.25M
Filed
Jun 30, 2026
MEDINA VALUE PARTNERS, LLC
CIK 1843543
Shares
378.77K
Value
28.99M
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 4.38M | 356.60M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 3.91M | 482.97M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 3.12M | 238.89M | Dec 31, 2025 |
| 4 | ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | 1890906 | 1.89M | 154.75M | Jun 30, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.88M | 153.36M | Jun 30, 2026 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.31M | 106.22M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.11M | 90.19M | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 996.03K | 81.07M | Jun 30, 2026 |
| 9 | NUVEEN, LLC | 1871926 | 755.72K | 61.51M | Jun 30, 2026 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 666.59K | 54.26M | Jun 30, 2026 |
| 11 | GOLDMAN SACHS GROUP INC | 886982 | 662.21K | 53.90M | Jun 30, 2026 |
| 12 | VICTORY CAPITAL MANAGEMENT INC | 1040188 | 660.11K | 53.73M | Jun 30, 2026 |
| 13 | TWO SIGMA INVESTMENTS, LP | 1179392 | 568.71K | 46.29M | Jun 30, 2026 |
| 14 | WESTWOOD HOLDINGS GROUP INC | 1165002 | 491.45K | 37.62M | Dec 31, 2025 |
| 15 | PACER ADVISORS, INC. | 1616667 | 485.71K | 53.46M | Dec 31, 2024 |
| 16 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 482.55K | 39.27M | Jun 30, 2026 |
| 17 | NUVEEN ASSET MANAGEMENT, LLC | 1521019 | 471.10K | 51.85M | Dec 31, 2024 |
| 18 | FINANCIAL HARVEST, LLC | 2052933 | 433.84K | 12.63M | Mar 31, 2025 |
| 19 | BROWN ADVISORY INC | 1345929 | 408.47K | 33.25M | Jun 30, 2026 |
| 20 | MEDINA VALUE PARTNERS, LLC | 1843543 | 378.77K | 28.99M | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.