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Innospec Inc.

IOSP
Exchange
Nasdaq
Industry
Chemicals & Allied Products
SEC CIK
0001054905

No open-market purchases or sales by Innospec Inc. insiders were filed in the last 90 days; 281 institutions reported holding it in 13F filings for Q2 2026, worth $2.00B in total; no superinvestor holds it.

13F holders, Q3 2023

Institutional positions in Innospec Inc. as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
212
+9 vs. Q2 2023
Shares held
23.8M
+47.5K (+0.2%) vs. Q2 2023
Total value
$2.44B
+$47.1M (+2.0%) vs. Q2 2023
New holders
22
81 more added
Sold out
13
80 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IOSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 212 institutions
Q1 2021: 180 institutionsQ2 2021: 180 institutionsQ3 2021: 188 institutionsQ4 2021: 184 institutionsQ1 2022: 188 institutionsQ2 2022: 199 institutionsQ3 2022: 193 institutionsQ4 2022: 223 institutionsQ1 2023: 219 institutionsQ2 2023: 205 institutionsQ3 2023: 212 institutionsQ4 2023: 223 institutionsQ1 2024: 239 institutionsQ2 2024: 266 institutionsQ3 2024: 261 institutionsQ4 2024: 262 institutionsQ1 2025: 272 institutionsQ2 2025: 262 institutionsQ3 2025: 266 institutionsQ4 2025: 261 institutionsQ1 2026: 266 institutionsQ2 2026: 281 institutions
Value heldQ3 2023: $2.44B
Q1 2021: $2.42BQ2 2021: $2.12BQ3 2021: $1.97BQ4 2021: $2.14BQ1 2022: $2.20BQ2 2022: $2.29BQ3 2022: $2.03BQ4 2022: $2.44BQ1 2023: $2.45BQ2 2023: $2.39BQ3 2023: $2.44BQ4 2023: $2.96BQ1 2024: $3.10BQ2 2024: $2.96BQ3 2024: $2.73BQ4 2024: $2.66BQ1 2025: $2.29BQ2 2025: $2.03BQ3 2025: $1.85BQ4 2025: $1.86BQ1 2026: $1.82BQ2 2026: $2.00B
Institutions holding IOSP and their total value by quarter
QuarterHoldersValue
Q2 2026281$2.00B
Q1 2026266$1.82B
Q4 2025261$1.86B
Q3 2025266$1.85B
Q2 2025262$2.03B
Q1 2025272$2.29B
Q4 2024262$2.66B
Q3 2024261$2.73B
Q2 2024266$2.96B
Q1 2024239$3.10B
Q4 2023223$2.96B
Q3 2023212$2.44B
Q2 2023205$2.39B
Q1 2023219$2.45B
Q4 2022223$2.44B
Q3 2022193$2.03B
Q2 2022199$2.29B
Q1 2022188$2.20B
Q4 2021184$2.14B
Q3 2021188$1.97B
Q2 2021180$2.12B
Q1 2021180$2.42B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q2 2023.

Institutions holding IOSP in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,836,146$392.1M0.01%−70,494−1.8%Reduced
Vanguard Group Inc2,941,356$300.6M0.01%+11,502+0.4%Added
Allspring Global Investments Holdings, LLC2,400,328$245.3M0.44%−42,865−1.8%Reduced
Wasatch Advisors Inc1,975,170$201.9M1.28%+75,090+4.0%Added
Dimensional Fund Advisors LP1,222,075$124.9M0.04%−4,485−0.4%Reduced
Victory Capital Management Inc1,138,421$116.3M0.13%−1490.0%Reduced
State Street Corp908,562$92.9M0.01%+24,047+2.7%Added
Royce & Associates LP847,650$86.6M0.88%−9,640−1.1%Reduced
Champlain Investment Partners, LLC823,030$84.1M0.55%−1100.0%Reduced
Janus Henderson Group PLC580,137$59.3M0.04%−58,476−9.2%Reduced
Geode Capital Management, LLC565,589$57.8M0.01%+22,065+4.1%Added
Nuveen Asset Management, LLC453,960$46.4M0.02%+564+0.1%Added
Northern Trust Corp401,351$41.0M0.01%+370.0%Added
Westwood Holdings Group Inc.312,767$32.0M0.30%+2,646+0.9%Added
Charles Schwab Investment Management Inc298,635$30.5M0.01%+12,135+4.2%Added
Goldman Sachs Group Inc283,931$29.0M0.01%+161,670+132.2%Added
Bank of New York Mellon Corp263,452$26.9M0.01%−27,302−9.4%Reduced
Morgan Stanley201,101$20.6M0.00%−64,007−24.1%Reduced
Eagle Asset Management Inc189,700$19.4M0.11%−6,358−3.2%Reduced
Bank of America Corp182,735$18.7M0.00%+4,693+2.6%Added
Norges Bank182,311$18.6M0.00%−21,897−10.7%Reduced
Telemark Asset Management, LLC150,000$15.3M2.33%−10,000−6.3%Reduced
Invesco Ltd.143,109$14.6M0.00%−28,095−16.4%Reduced
Principal Financial Group Inc137,145$14.0M0.01%−7,092−4.9%Reduced
JPMorgan Chase & Co133,334$13.6M0.00%−4,491−3.3%Reduced
SEI Investments Co128,506$13.1M0.02%+10,268+8.7%Added
Voya Investment Management LLC121,240$12.4M0.01%−56,482−31.8%Reduced
Acadian Asset Management LLC111,652$11.4M0.05%+18,371+19.7%Added
Bessemer Group Inc93,666$9.57M0.02%+7,381+8.6%Added
Raymond James & Associates90,149$9.21M0.01%+4,460+5.2%Added
Ameriprise Financial Inc89,526$9.15M0.00%+884+1.0%Added
Segall Bryant & Hamill, LLC87,908$8.98M0.10%−545−0.6%Reduced
Huber Capital Management LLC83,333$8.52M2.00%−5,129−5.8%Reduced
Osterweis Capital Management Inc82,355$8.42M0.62%+9,425+12.9%Added
Hotchkis & Wiley Capital Management LLC81,900$8.37M0.03%+81,900New
Kirr Marbach & Co LLC80,399$8.22M2.33%+442+0.6%Added
Algert Global LLC78,288$8.00M0.38%+4,310+5.8%Added
Rhumbline Advisers74,812$7.65M0.01%−1,242−1.6%Reduced
Legal & General Group Plc70,059$7.16M0.00%−1,928−2.7%Reduced
Leeward Investments, LLC - MA69,944$7.15M0.37%−5,378−7.1%Reduced
Thrivent Financial for Lutherans68,341$6.98M0.02%−1,043−1.5%Reduced
Wells Fargo & Company60,430$6.18M0.00%−2,035−3.3%Reduced
Swiss National Bank54,703$5.59M0.00%+400+0.7%Added
Credit Suisse AG47,941$4.90M0.01%−1,867−3.7%Reduced
Moran Wealth Management, LLC46,385$4.74M0.18%+376+0.8%Added
Cubist Systematic Strategies, LLC43,779$4.47M0.06%+19,757+82.2%Added
ZWJ Investment Counsel Inc39,821$4.07M0.23%+671+1.7%Added
Qube Research & Technologies Ltd39,055$3.99M0.01%+1,946+5.2%Added
Panagora Asset Management Inc38,957$3.98M0.02%+64+0.2%Added
B. Metzler seel. Sohn & Co. AG37,137$3.80M0.06%−35,239−48.7%Reduced
Millennium Management LLC36,317$3.71M0.00%+13,028+55.9%Added
UBS Asset Management Americas Inc35,544$3.63M0.00%+293+0.8%Added
Bahl & Gaynor Inc34,824$3.56M0.02%+18,407+112.1%Added
Mutual of America Capital Management LLC34,372$3.51M0.04%−16,278−32.1%Reduced
Two Sigma Advisers, LP32,000$3.27M0.01%−16,800−34.4%Reduced
Connors Investor Services Inc31,492$3.21M0.39%−172−0.5%Reduced
Public Sector Pension Investment Board30,734$3.14M0.02%−13,409−30.4%Reduced
FMR LLC29,963$3.06M0.00%+4,323+16.9%Added
Alliancebernstein L.P.29,191$2.98M0.00%00.0%Unchanged
Prudential Financial Inc29,102$2.97M0.00%−1,715−5.6%Reduced
First Trust Advisors LP28,344$2.90M0.00%−3,075−9.8%Reduced
Great West Life Assurance Co27,590$2.82M0.01%+161+0.6%Added
California State Teachers Retirement System27,492$2.81M0.00%−2,763−9.1%Reduced
State Board of Administration of Florida Retirement System25,367$2.59M0.01%+447+1.8%Added
Royal Bank of Canada23,414$2.39M0.00%+13,955+147.5%Added
State of New Jersey Common Pension Fund D22,991$2.35M0.01%−2,949−11.4%Reduced
Envestnet Asset Management Inc22,868$2.34M0.00%+10,559+85.8%Added
Round Hill Asset Management22,602$2.31M1.52%00.0%Unchanged
Two Sigma Investments, LP21,928$2.24M0.01%−11,559−34.5%Reduced
BNP Paribas Arbitrage, SA21,917$2.24M0.00%+10,390+90.1%Added
Texas Permanent School Fund21,119$2.16M0.02%−778−3.6%Reduced
American Century Companies Inc20,850$2.13M0.00%+5,843+38.9%Added
Oppenheimer Asset Management Inc.20,197$2.06M0.03%+1,960+10.7%Added
AQR Capital Management LLC19,814$2.02M0.00%+2,145+12.1%Added
SG Americas Securities, LLC19,772$2.02M0.03%+19,772New
Public Employees Retirement System of Ohio19,415$1.98M0.01%−50.0%Reduced
Gsa Capital Partners LLP19,351$1.98M0.17%+19,351New
D. E. Shaw & Co., Inc.19,030$1.94M0.00%−3,301−14.8%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys16,624$1.70M0.01%−11,487−40.9%Reduced
Teacher Retirement System of Texas16,305$1.67M0.01%+2,813+20.8%Added
Franklin Resources Inc16,078$1.64M0.00%+449+2.9%Added
Price T Rowe Associates Inc15,483$1.58M0.00%+1,337+9.5%Added
State of Alaska, Department of Revenue15,482$1.58M0.02%−882−5.4%Reduced
ExodusPoint Capital Management, LP14,986$1.53M0.02%+14,986New
Illinois Municipal Retirement Fund14,577$1.49M0.03%+14,577New
Quadrature Capital Ltd14,553$1.49M0.03%−6,980−32.4%Reduced
State of Tennessee, Treasury Department14,112$1.44M0.01%−825−5.5%Reduced
American International Group, Inc.13,691$1.40M0.01%+292+2.2%Added
Deutsche Bank AG13,342$1.36M0.00%+1,599+13.6%Added
Martingale Asset Management L P13,207$1.35M0.03%00.0%Unchanged
MetLife Investment Management13,161$1.35M0.01%00.0%Unchanged
New York State Teachers Retirement System12,925$1.32M0.00%−400−3.0%Reduced
Yousif Capital Management, LLC12,730$1.30M0.02%−820−6.1%Reduced
Louisiana State Employees Retirement System12,700$1.30M0.03%−400−3.1%Reduced
Manufacturers Life Insurance Company, The12,543$1.28M0.00%+2,602+26.2%Added
Barclays PLC12,500$1.28M0.00%−859−6.4%Reduced
Putnam Investments LLC11,915$1.22M0.00%−99−0.8%Reduced
Assenagon Asset Management S.A.11,815$1.21M0.00%+11,815New
Linden Thomas Advisory Services, LLC11,722$1.20M0.27%−24−0.2%Reduced
Comerica Bank11,600$1.19M0.01%+11,600New