INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.3,662,323$280,314
VANGUARD GROUP INC3,121,151$238,893
Allspring Global Investments Holdings, LLC2,356,503$179,754
DIMENSIONAL FUND ADVISORS LP1,175,122$89,946
VICTORY CAPITAL MANAGEMENT INC950,074$72,719
STATE STREET CORP949,038$72,639
GEODE CAPITAL MANAGEMENT, LLC609,220$46,638
MILLENNIUM MANAGEMENT LLC533,312$40,820
Nuveen, LLC502,603$38,469
WESTWOOD HOLDINGS GROUP INC491,451$37,616
GOLDMAN SACHS GROUP INC484,968$37,119
Medina Value Partners, LLC378,769$28,991
CHARLES SCHWAB INVESTMENT MANAGEMENT INC373,540$28,591
BANK OF AMERICA CORP /DE/322,358$24,673
Qube Research & Technologies Ltd320,504$24,531
D. E. Shaw & Co., Inc.309,927$23,722
BROWN ADVISORY INC305,977$23,420
JPMORGAN CHASE & CO305,875$23,412
ROYCE & ASSOCIATES LP305,226$23,362
GENDELL JEFFREY L285,351$21,841
NORTHERN TRUST CORP274,689$21,025
Western Standard LLC268,367$20,541
AQR CAPITAL MANAGEMENT LLC268,151$20,524
MORGAN STANLEY243,535$18,640
Assenagon Asset Management S.A.178,204$13,640
TWO SIGMA INVESTMENTS, LP159,514$12,209
TWO SIGMA ADVISERS, LP159,200$12,185
JANUS HENDERSON GROUP PLC150,851$11,546
UBS Group AG142,055$10,873
NORGES BANK139,200$10,654
VOLORIDGE INVESTMENT MANAGEMENT, LLC138,401$10,593
Bank of New York Mellon Corp137,828$10,549
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC125,062$9,572
RENAISSANCE TECHNOLOGIES LLC120,300$9,208
PRINCIPAL FINANCIAL GROUP INC118,107$9,040
HRT FINANCIAL LP116,932$9
JANE STREET GROUP, LLC108,961$8,340
Invesco Ltd.104,639$8,009
Walleye Capital LLC103,935$7,955
SEI INVESTMENTS CO103,702$7,938
FIRST WILSHIRE SECURITIES MANAGEMENT INC100,574$7,698
Numerai GP LLC98,269$7,522
Point72 Asset Management, L.P.95,775$7,331
ZWJ INVESTMENT COUNSEL INC94,535$7,236
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC87,921$6,729
Public Sector Pension Investment Board85,714$6,561
TEACHER RETIREMENT SYSTEM OF TEXAS84,425$6,462
ProShare Advisors LLC83,739$6,409
PANAGORA ASSET MANAGEMENT INC82,098$6,284
UBS ASSET MANAGEMENT AMERICAS INC78,672$6,022
SG Americas Securities, LLC75,814$6
CITADEL ADVISORS LLC72,694$5,564
Leeward Investments, LLC - MA71,687$5,487
RHUMBLINE ADVISERS70,197$5,373
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND68,049$5,208
Legal & General Group Plc62,461$4,781
AMERIPRISE FINANCIAL INC60,287$4,614
AMERICAN CENTURY COMPANIES INC54,316$4,157
INTECH INVESTMENT MANAGEMENT LLC51,556$3,946
Engineers Gate Manager LP49,862$3,816
Swiss National Bank49,003$3,751
Edgestream Partners, L.P.46,434$3,554
Trexquant Investment LP46,073$3,526
BARCLAYS PLC45,848$3,509
Creative Planning44,693$3,421
DARK FOREST CAPITAL MANAGEMENT LP44,524$3,408
PDT Partners, LLC42,876$3,282
AlphaQuest LLC42,228$3,232
Moran Wealth Management, LLC42,035$3,217
IEQ CAPITAL, LLC39,774$3,044
FMR LLC36,921$2,826
WELLS FARGO & COMPANY/MN35,091$2,686
ALGERT GLOBAL LLC34,278$3
CONNORS INVESTOR SERVICES INC32,525$2,489
State of New Jersey Common Pension Fund D30,314$2,320
INGALLS & SNYDER LLC28,927$2
FRANKLIN RESOURCES INC28,511$2,182
PRICE T ROWE ASSOCIATES INC /MD/28,383$2
ALLIANCEBERNSTEIN L.P.26,923$2,061
Verition Fund Management LLC26,664$2,041
CANADA PENSION PLAN INVESTMENT BOARD26,000$1,990
Voya Investment Management LLC25,264$1,934
Y-Intercept (Hong Kong) Ltd24,614$1,884
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM23,800$1,822
PRUDENTIAL FINANCIAL INC23,464$1,796
Atom Investors LP22,830$1,747
Huber Capital Management LLC22,548$1,726
Jump Financial, LLC22,300$1,707
Jain Global LLC22,159$1,696
CAPITAL FUND MANAGEMENT S.A.21,877$1,674
GREAT WEST LIFE ASSURANCE CO /CAN/21,279$2
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO20,136$1,541
CM Management, LLC20,000$1,531
WEDGE CAPITAL MANAGEMENT L L P/NC19,699$1,508
DEUTSCHE BANK AG\19,665$1,505
Cerity Partners LLC19,309$1,478
Holocene Advisors, LP19,045$1,458
CITIGROUP INC17,713$1,356
Schonfeld Strategic Advisors LLC17,677$1,353
ExodusPoint Capital Management, LP17,622$1,349
157 other institutions676,373$44,200
Total (257 institutions)24,288,969$1,827,538