Innospec Inc. (NASDAQ:IOSP) showed up in the 13F filings of 252 institutional investors as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 3,878,975 | 216,652 | 5.92% | $283,242,788.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 3,662,323 | 29,338 | 0.81% | $280,314,199.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 3,121,151 | -22,271 | -0.71% | $238,892,898.00 |
| Allspring Global Investments Holdings, LLC | 31 Mar, 2026 | 2,356,503 | -35,246 | -1.47% | $179,754,049.00 |
| Allspring Global Investments Holdings, LLC | 31 Mar, 2026 | 2,315,942 | -40,561 | -1.72% | $170,453,331.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 1,860,091 | 1,860,091 | 0.00% | $135,823,845.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 1,242,089 | 66,967 | 5.70% | $90,698,470.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 1,175,122 | 8,147 | 0.70% | $89,946,408.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,114,598 | 1,114,598 | 0.00% | $81,387,946.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 969,936 | 687,293 | 243.17% | $74,238,906.00 |
| State Street Corp | 31 Mar, 2026 | 964,335 | 15,297 | 1.61% | $70,415,742.00 |
| VICTORY CAPITAL MANAGEMENT INC | 31 Mar, 2026 | 950,074 | 114,179 | 13.66% | $72,718,664.00 |
| State Street Corp | 31 Mar, 2026 | 949,038 | 19,915 | 2.14% | $72,639,369.00 |
| VICTORY CAPITAL MANAGEMENT INC | 31 Mar, 2026 | 864,994 | -85,080 | -8.96% | $63,161,862.00 |
| Nuveen, LLC | 31 Mar, 2026 | 643,248 | 140,645 | 27.98% | $46,969,968.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 630,592 | 21,372 | 3.51% | $46,054,326.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 609,220 | -4,992 | -0.81% | $46,637,981.00 |
| TWO SIGMA INVESTMENTS, LP | 31 Mar, 2026 | 593,039 | 433,525 | 271.78% | $43,303,708.00 |
| UBS Group AG | 31 Mar, 2026 | 565,911 | 423,856 | 298.37% | $41,322,822.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 533,312 | 51,824 | 10.76% | $40,819,700.00 |