ENGLEWOOD, CO
INNOSPEC INC.IOSP— Latest position per institution from SEC 13F filings
15
Institutional holders
25.10M
Total shares held
2.07B
Estimated value
1.25M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.91M
Value
482.97M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
3.88M
Value
283.24M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
3.12M
Value
238.89M
Filed
Dec 31, 2025
ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC
CIK 1890906
Shares
2.32M
Value
170.45M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.86M
Value
135.82M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.24M
Value
90.70M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.11M
Value
81.39M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
964.34K
Value
70.42M
Filed
Mar 31, 2026
VICTORY CAPITAL MANAGEMENT INC
CIK 1040188
Shares
864.99K
Value
63.16M
Filed
Mar 31, 2026
NUVEEN, LLC
CIK 1871926
Shares
643.25K
Value
46.97M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
630.59K
Value
46.05M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
593.04K
Value
43.30M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
565.91K
Value
41.32M
Filed
Mar 31, 2026
WASATCH ADVISORS LP
CIK 814133
Shares
528.14K
Value
50.04M
Filed
Mar 31, 2025
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
492.01K
Value
35.93M
Filed
Mar 31, 2026
WESTWOOD HOLDINGS GROUP INC
CIK 1165002
Shares
491.45K
Value
37.62M
Filed
Dec 31, 2025
ASSENAGON ASSET MANAGEMENT S.A.
CIK 1546007
Shares
490.88K
Value
35.84M
Filed
Mar 31, 2026
PACER ADVISORS, INC.
CIK 1616667
Shares
485.71K
Value
53.46M
Filed
Dec 31, 2024
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
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 3.91M | 482.97M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 3.88M | 283.24M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 3.12M | 238.89M | Dec 31, 2025 |
| 4 | ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | 1890906 | 2.32M | 170.45M | Mar 31, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.86M | 135.82M | Mar 31, 2026 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.24M | 90.70M | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.11M | 81.39M | Mar 31, 2026 |
| 8 | STATE STREET CORP | 93751 | 964.34K | 70.42M | Mar 31, 2026 |
| 9 | VICTORY CAPITAL MANAGEMENT INC | 1040188 | 864.99K | 63.16M | Mar 31, 2026 |
| 10 | NUVEEN, LLC | 1871926 | 643.25K | 46.97M | Mar 31, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 630.59K | 46.05M | Mar 31, 2026 |
| 12 | TWO SIGMA INVESTMENTS, LP | 1179392 | 593.04K | 43.30M | Mar 31, 2026 |
| 13 | UBS GROUP AG | 1610520 | 565.91K | 41.32M | Mar 31, 2026 |
| 14 | WASATCH ADVISORS LP | 814133 | 528.14K | 50.04M | Mar 31, 2025 |
| 15 | GOLDMAN SACHS GROUP INC | 886982 | 492.01K | 35.93M | Mar 31, 2026 |
| 16 | WESTWOOD HOLDINGS GROUP INC | 1165002 | 491.45K | 37.62M | Dec 31, 2025 |
| 17 | ASSENAGON ASSET MANAGEMENT S.A. | 1546007 | 490.88K | 35.84M | Mar 31, 2026 |
| 18 | PACER ADVISORS, INC. | 1616667 | 485.71K | 53.46M | Dec 31, 2024 |
| 19 | NUVEEN ASSET MANAGEMENT, LLC | 1521019 | 471.10K | 51.85M | Dec 31, 2024 |
| 20 | FINANCIAL HARVEST, LLC | 2052933 | 433.84K | 12.63M | Mar 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.