IOSP
INNOSPEC INC.Company with tickers: IOSP
CIK
1054905
CUSIP
45768S105
Shares Outstanding
24,890,467
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Report Date:
Holders: 257
Total Value: $1,612,839,532
Total Shares: 21,071,854
Showing top 100 of 257 holders by value
| Holder | Value (USD) | Shares | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | $280,314,194 | 3,662,323 | Shares | Sole | 2026-02-12 | View |
| Allspring Global Investments Holdings, LLC | $180,366,738 | 2,356,503 | Shares | Defined | 2026-01-15 | View |
| DIMENSIONAL FUND ADVISORS LP | $89,943,836 | 1,175,122 | Shares | Sole | 2026-02-12 | View |
| VICTORY CAPITAL MANAGEMENT INC | $72,718,663 | 950,074 | Shares | Sole | 2026-02-13 | View |
| STATE STREET CORP | $72,639,368 | 949,038 | Shares | Defined | 2026-02-13 | View |
| GEODE CAPITAL MANAGEMENT, LLC | $46,629,698 | 609,220 | Shares | Defined | 2026-02-09 | View |
| MILLENNIUM MANAGEMENT LLC | $40,819,700 | 533,312 | Shares | Sole | 2026-02-17 | View |
| Nuveen, LLC | $38,469,232 | 502,603 | Shares | Defined | 2026-02-12 | View |
| WESTWOOD HOLDINGS GROUP INC | $37,615,659 | 491,451 | Shares | Defined | 2026-02-17 | View |
| GOLDMAN SACHS GROUP INC | $37,119,449 | 484,968 | Shares | Other | 2026-02-10 | View |
| Medina Singh Partners, LLC | $28,990,979 | 378,769 | Shares | Sole | 2026-02-13 | View |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $28,590,751 | 373,540 | Shares | Sole | 2026-02-13 | View |
| BANK OF AMERICA CORP /DE/ | $24,673,278 | 322,358 | Shares | Defined | 2026-02-17 | View |
| Qube Research & Technologies Ltd | $24,531,376 | 320,504 | Shares | Sole | 2026-02-17 | View |
| D. E. Shaw & Co., Inc. | $23,721,812 | 309,927 | Shares | Defined | 2026-02-17 | View |
| BROWN ADVISORY INC | $23,419,479 | 305,977 | Shares | Defined | 2026-02-13 | View |
| JPMORGAN CHASE & CO | $23,411,669 | 305,875 | Shares | Defined | 2026-02-11 | View |
| ROYCE & ASSOCIATES LP | $23,361,998 | 305,226 | Shares | Sole | 2026-02-09 | View |
| GENDELL JEFFREY L | $21,840,764 | 285,351 | Shares | Defined | 2026-02-13 | View |
| NORTHERN TRUST CORP | $21,024,693 | 274,689 | Shares | Other | 2026-02-17 | View |
| Western Standard LLC | $20,540,810 | 268,367 | Shares | Sole | 2026-02-03 | View |
| AQR CAPITAL MANAGEMENT LLC | $20,524,275 | 268,151 | Shares | Other | 2026-02-17 | View |
| Assenagon Asset Management S.A. | $13,639,734 | 178,204 | Shares | Sole | 2026-01-09 | View |
| TWO SIGMA INVESTMENTS, LP | $12,209,201 | 159,514 | Shares | Sole | 2026-02-17 | View |
| TWO SIGMA ADVISERS, LP | $12,185,168 | 159,200 | Shares | Sole | 2026-02-17 | View |
| JANUS HENDERSON GROUP PLC | $11,546,134 | 150,851 | Shares | Defined | 2026-02-17 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $11,526,924 | 150,600 | Shares | Other | 2026-02-17 | View |
| UBS Group AG | $10,872,889 | 142,055 | Shares | Defined | 2026-01-29 | View |
| NORGES BANK | $10,654,368 | 139,200 | Shares | Sole | 2026-02-10 | View |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | $10,593,212 | 138,401 | Shares | Sole | 2026-02-17 | View |
| Bank of New York Mellon Corp | $10,549,352 | 137,828 | Shares | Defined | 2026-02-10 | View |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $9,572,245 | 125,062 | Shares | Sole | 2026-02-17 | View |
| RENAISSANCE TECHNOLOGIES LLC | $9,207,762 | 120,300 | Shares | Sole | 2026-02-12 | View |
| PRINCIPAL FINANCIAL GROUP INC | $9,039,909 | 118,107 | Shares | Defined | 2026-02-02 | View |
| HRT FINANCIAL LLC | $8,949,975 | 116,932 | Shares | Defined | 2026-02-12 | View |
| Invesco Ltd. | $8,009,067 | 104,639 | Shares | Defined | 2026-02-19 | View |
| Walleye Capital LLC | $7,955,184 | 103,935 | Shares | Sole | 2026-02-13 | View |
| SEI INVESTMENTS CO | $7,937,350 | 103,702 | Shares | Sole | 2026-02-13 | View |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | $7,697,933 | 100,574 | Shares | Sole | 2026-02-12 | View |
| Numerai GP LLC | $7,521,509 | 98,269 | Shares | Sole | 2026-02-17 | View |
| Point72 Asset Management, L.P. | $7,330,618 | 95,775 | Shares | Defined | 2026-02-17 | View |
| ZWJ INVESTMENT COUNSEL INC | $7,235,708 | 94,535 | Shares | Sole | 2026-01-23 | View |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | $6,729,473 | 87,921 | Shares | Sole | 2026-02-10 | View |
| Public Sector Pension Investment Board | $6,560,549 | 85,714 | Shares | Sole | 2026-02-13 | View |
| TEACHER RETIREMENT SYSTEM OF TEXAS | $6,461,889 | 84,425 | Shares | Sole | 2026-01-28 | View |
| ProShare Advisors LLC | $6,409,383 | 83,739 | Shares | Sole | 2026-02-06 | View |
| PANAGORA ASSET MANAGEMENT INC | $6,283,780 | 82,098 | Shares | Sole | 2026-02-13 | View |
| UBS ASSET MANAGEMENT AMERICAS INC | $6,021,552 | 78,672 | Shares | Defined | 2026-02-13 | View |
| SG Americas Securities, LLC | $5,802,803 | 75,814 | Shares | Sole | 2026-01-09 | View |
| JANE STREET GROUP, LLC | $5,784,204 | 75,571 | Shares | Defined | 2026-02-12 | View |
| CITADEL ADVISORS LLC | $5,563,998 | 72,694 | Shares | Defined | 2026-02-17 | View |
| Leeward Investments, LLC - MA | $5,486,922 | 71,687 | Shares | Sole | 2026-02-05 | View |
| RHUMBLINE ADVISERS | $5,372,878 | 70,197 | Shares | Sole | 2026-02-13 | View |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $5,208,470 | 68,049 | Shares | Sole | 2026-02-13 | View |
| Legal & General Group Plc | $4,780,764 | 62,461 | Shares | Defined | 2026-02-09 | View |
| AMERIPRISE FINANCIAL INC | $4,614,366 | 60,287 | Shares | Defined | 2026-02-17 | View |
| AMERICAN CENTURY COMPANIES INC | $4,157,346 | 54,316 | Shares | Defined | 2026-02-13 | View |
| INTECH INVESTMENT MANAGEMENT LLC | $3,946,096 | 51,556 | Shares | Sole | 2026-02-10 | View |
| Engineers Gate Manager LP | $3,816,437 | 49,862 | Shares | Sole | 2026-02-17 | View |
| Swiss National Bank | $3,750,689 | 49,003 | Shares | Sole | 2026-02-12 | View |
| Edgestream Partners, L.P. | $3,554,058 | 46,434 | Shares | Sole | 2026-02-13 | View |
| Trexquant Investment LP | $3,526,427 | 46,073 | Shares | Sole | 2026-02-17 | View |
| BARCLAYS PLC | $3,509,205 | 45,848 | Shares | Sole | 2026-02-13 | View |
| Creative Planning | $3,420,802 | 44,693 | Shares | Sole | 2026-02-17 | View |
| DARK FOREST CAPITAL MANAGEMENT LP | $3,407,866 | 44,524 | Shares | Sole | 2026-02-17 | View |
| PDT Partners, LLC | $3,281,729 | 42,876 | Shares | Sole | 2026-02-17 | View |
| Quest Partners LLC | $3,232,131 | 42,228 | Shares | Sole | 2026-02-09 | View |
| Moran Wealth Management, LLC | $3,217,358 | 42,035 | Shares | Defined | 2026-01-26 | View |
| IEQ CAPITAL, LLC | $3,044,301 | 39,774 | Shares | Other | 2026-02-13 | View |
| FMR LLC | $2,825,932 | 36,921 | Shares | Defined | 2026-02-17 | View |
| WELLS FARGO & COMPANY/MN | $2,685,863 | 35,091 | Shares | Defined | 2026-02-13 | View |
| ALGERT GLOBAL LLC | $2,623,638 | 34,278 | Shares | Sole | 2026-02-17 | View |
| CONNORS INVESTOR SERVICES INC | $2,489,463 | 32,525 | Shares | Sole | 2026-02-09 | View |
| State of New Jersey Common Pension Fund D | $2,320,233 | 30,314 | Shares | Sole | 2026-01-30 | View |
| INGALLS & SNYDER LLC | $2,214,072 | 28,927 | Shares | Other | 2026-02-13 | View |
| FRANKLIN RESOURCES INC | $2,182,229 | 28,511 | Shares | Defined | 2026-02-11 | View |
| PRICE T ROWE ASSOCIATES INC /MD/ | $2,172,434 | 28,383 | Shares | Defined | 2026-02-17 | View |
| ALLIANCEBERNSTEIN L.P. | $2,060,686 | 26,923 | Shares | Defined | 2026-02-17 | View |
| Verition Fund Management LLC | $2,040,862 | 26,664 | Shares | Sole | 2026-02-13 | View |
| CANADA PENSION PLAN INVESTMENT BOARD | $1,990,040 | 26,000 | Shares | Sole | 2026-02-17 | View |
| Voya Investment Management LLC | $1,933,706 | 25,264 | Shares | Defined | 2026-02-12 | View |
| Y-Intercept (Hong Kong) Ltd | $1,883,955 | 24,614 | Shares | Sole | 2026-02-13 | View |
| MORGAN STANLEY | $1,833,592 | 23,956 | Shares | Defined | 2026-02-13 | View |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $1,821,652 | 23,800 | Shares | Sole | 2026-02-17 | View |
| PRUDENTIAL FINANCIAL INC | $1,795,934 | 23,464 | Shares | Defined | 2026-02-13 | View |
| Atom Investors LP | $1,747,408 | 22,830 | Shares | Sole | 2026-02-17 | View |
| Huber Capital Management LLC | $1,725,823 | 22,548 | Shares | Sole | 2026-02-13 | View |
| Jump Financial, LLC | $1,706,842 | 22,300 | Shares | Defined | 2026-02-17 | View |
| Jain Global LLC | $1,696,049 | 22,159 | Shares | Sole | 2026-02-17 | View |
| CAPITAL FUND MANAGEMENT S.A. | $1,674,465 | 21,877 | Shares | Sole | 2026-02-17 | View |
| GREAT WEST LIFE ASSURANCE CO /CAN/ | $1,628,694 | 21,279 | Shares | Sole | 2026-02-13 | View |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $1,541,209 | 20,136 | Shares | Sole | 2026-02-17 | View |
| CM Management, LLC | $1,530,800 | 20,000 | Shares | Sole | 2026-02-02 | View |
| WEDGE CAPITAL MANAGEMENT L L P/NC | $1,507,761 | 19,699 | Shares | Sole | 2026-01-14 | View |
| DEUTSCHE BANK AG\ | $1,505,158 | 19,665 | Shares | Defined | 2026-02-11 | View |
| Cerity Partners LLC | $1,477,910 | 19,309 | Shares | Defined | 2026-02-11 | View |
| Holocene Advisors, LP | $1,457,704 | 19,045 | Shares | Sole | 2026-02-17 | View |
| CITIGROUP INC | $1,355,752 | 17,713 | Shares | Defined | 2026-02-13 | View |
| Schonfeld Strategic Advisors LLC | $1,352,997 | 17,677 | Shares | Sole | 2026-02-17 | View |
| ExodusPoint Capital Management, LP | $1,348,787 | 17,622 | Shares | Sole | 2026-02-17 | View |