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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, Q1 2024

Institutional positions in Innospec Inc. as of Mar 31, 2024. 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
239
+17 vs. Q4 2023
Shares held
24.0M
+64.3K (+0.3%) vs. Q4 2023
Total value
$3.10B
+$143.5M (+4.9%) vs. Q4 2023
New holders
29
83 more added
Sold out
12
97 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 239 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 heldQ1 2024: $3.10B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q4 2023.

Institutions holding IOSP in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,926,090$506.2M0.01%−48,255−1.2%Reduced
Vanguard Group Inc3,115,167$401.7M0.01%+161,249+5.5%Added
Allspring Global Investments Holdings, LLC2,318,589$299.0M0.47%−19,055−0.8%Reduced
Wasatch Advisors Inc1,972,110$254.3M1.33%+22,094+1.1%Added
Dimensional Fund Advisors LP1,198,964$154.6M0.04%−16,561−1.4%Reduced
Victory Capital Management Inc978,587$126.2M0.12%−45,045−4.4%Reduced
State Street Corp975,263$125.8M0.01%+15,356+1.6%Added
Royce & Associates LP803,275$103.6M0.92%−20,850−2.5%Reduced
Geode Capital Management, LLC615,889$79.4M0.01%+24,152+4.1%Added
Janus Henderson Group PLC578,958$74.6M0.04%−2,095−0.4%Reduced
Champlain Investment Partners, LLC489,820$63.2M0.36%−289,745−37.2%Reduced
Nuveen Asset Management, LLC474,129$61.1M0.02%+9,597+2.1%Added
Invesco Ltd.410,140$52.9M0.01%+123,090+42.9%Added
Northern Trust Corp370,755$47.8M0.01%−30,667−7.6%Reduced
Charles Schwab Investment Management Inc316,326$40.8M0.01%+8,836+2.9%Added
Morgan Stanley315,175$40.6M0.00%+95,769+43.6%Added
Westwood Holdings Group Inc.271,237$35.0M0.27%−763−0.3%Reduced
Goldman Sachs Group Inc254,811$32.9M0.01%+6,467+2.6%Added
Bank of New York Mellon Corp252,146$32.5M0.01%−10,909−4.1%Reduced
Bank of America Corp186,127$24.0M0.00%+2,443+1.3%Added
Eagle Asset Management Inc183,272$23.2M0.12%−15,072−7.6%Reduced
Voya Investment Management LLC162,266$20.9M0.02%+6,471+4.2%Added
Telemark Asset Management, LLC160,000$20.6M2.13%+13,000+8.8%Added
Norges Bank150,897$19.5M0.00%−59,462−28.3%Reduced
JPMorgan Chase & Co149,203$19.2M0.00%+19,303+14.9%Added
SEI Investments Co138,788$17.9M0.03%+6,532+4.9%Added
Principal Financial Group Inc133,106$17.2M0.01%−2,083−1.5%Reduced
Bessemer Group Inc121,921$15.7M0.03%+3,775+3.2%Added
Millennium Management LLC85,879$11.1M0.01%+25,709+42.7%Added
Segall Bryant & Hamill, LLC85,821$11.1M0.21%−1,222−1.4%Reduced
Raymond James & Associates84,196$10.9M0.01%−3,586−4.1%Reduced
Ameriprise Financial Inc82,367$10.6M0.00%−4,771−5.5%Reduced
Osterweis Capital Management Inc82,355$10.6M0.62%+2,745+3.4%Added
Kirr Marbach & Co LLC78,336$10.1M2.44%−1,440−1.8%Reduced
Rhumbline Advisers74,126$9.56M0.01%−1,260−1.7%Reduced
Hotchkis & Wiley Capital Management LLC72,340$9.33M0.03%−7,460−9.3%Reduced
Legal & General Group Plc70,973$9.15M0.00%+252+0.4%Added
UBS Group AG68,716$8.86M0.00%+11,306+19.7%Added
Leeward Investments, LLC - MA66,548$8.58M0.38%−2,860−4.1%Reduced
Thrivent Financial for Lutherans64,622$8.33M0.02%−586−0.9%Reduced
Acadian Asset Management LLC63,064$8.13M0.03%−36,361−36.6%Reduced
Assenagon Asset Management S.A.60,528$7.80M0.02%+40,250+198.5%Added
Wells Fargo & Company59,360$7.65M0.00%−701−1.2%Reduced
Credit Suisse AG56,447$7.28M0.01%−220−0.4%Reduced
Gendell Jeffrey L54,990$7.09M0.27%+54,990New
Qube Research & Technologies Ltd54,649$7.05M0.01%+31,007+131.2%Added
Public Sector Pension Investment Board50,972$6.57M0.05%−630−1.2%Reduced
Algert Global LLC49,598$6.40M0.25%−26,729−35.0%Reduced
Swiss National Bank49,003$6.32M0.00%00.0%Unchanged
Panagora Asset Management Inc48,344$6.23M0.03%−769−1.6%Reduced
Moran Wealth Management, LLC47,116$6.08M0.20%+247+0.5%Added
Huber Capital Management LLC45,537$5.87M1.32%−11,249−19.8%Reduced
ZWJ Investment Counsel Inc40,531$5.23M0.24%−1,405−3.4%Reduced
B. Metzler seel. Sohn & Co. AG37,554$4.84M0.05%−98−0.3%Reduced
Cubist Systematic Strategies, LLC37,413$4.82M0.05%+34,007+998.4%Added
Bahl & Gaynor Inc36,161$4.66M0.03%+160+0.4%Added
UBS Asset Management Americas Inc35,142$4.53M0.00%−2,259−6.0%Reduced
First Trust Advisors LP33,382$4.30M0.00%+21,038+170.4%Added
Teacher Retirement System of Texas33,134$4.27M0.03%+22,481+211.0%Added
FMR LLC31,003$4.00M0.00%+1,221+4.1%Added
Royal Bank of Canada30,301$3.91M0.00%−6,814−18.4%Reduced
Great West Life Assurance Co29,888$3.85M0.01%+1,864+6.7%Added
Alliancebernstein L.P.28,221$3.64M0.00%−450−1.6%Reduced
Prudential Financial Inc27,784$3.58M0.01%−960−3.3%Reduced
BNP Paribas Arbitrage, SA25,063$3.23M0.00%+6,237+33.1%Added
California State Teachers Retirement System24,873$3.21M0.00%−1,461−5.5%Reduced
Envestnet Asset Management Inc24,154$3.11M0.00%+44+0.2%Added
Connors Investor Services Inc23,769$3.06M0.32%−9,080−27.6%Reduced
Franklin Resources Inc23,116$2.98M0.00%+7,345+46.6%Added
State of New Jersey Common Pension Fund D22,991$2.96M0.01%00.0%Unchanged
American Century Companies Inc22,658$2.92M0.00%+1,164+5.4%Added
Barclays PLC22,575$2.91M0.00%−16,650−42.4%Reduced
Texas Permanent School Fund21,762$2.81M0.02%+281+1.3%Added
State of Tennessee, Treasury Department19,011$2.45M0.01%−1,647−8.0%Reduced
ExodusPoint Capital Management, LP18,081$2.33M0.03%+9,780+117.8%Added
State Board of Administration of Florida Retirement System22,507$2.31M0.01%−2,860−11.3%Reduced
Cerity Partners LLC17,734$2.29M0.01%+17,734New
Price T Rowe Associates Inc17,228$2.22M0.00%+916+5.6%Added
Citigroup Inc17,000$2.19M0.00%+1,102+6.9%Added
Round Hill Asset Management16,279$2.10M1.27%−4,100−20.1%Reduced
AQR Capital Management LLC15,956$2.06M0.00%−2,488−13.5%Reduced
Pathstone Holdings, LLC15,712$2.03M0.01%+12,880+454.8%Added
Oppenheimer Asset Management Inc.15,324$1.98M0.03%−5,588−26.7%Reduced
Public Employees Retirement System of Ohio15,168$1.96M0.01%−4,253−21.9%Reduced
State of Alaska, Department of Revenue15,148$1.95M0.02%−149−1.0%Reduced
New York State Teachers Retirement System15,010$1.94M0.00%−100−0.7%Reduced
Illinois Municipal Retirement Fund14,185$1.83M0.03%+120+0.9%Added
Gsa Capital Partners LLP14,071$1.81M0.14%−2,696−16.1%Reduced
Deutsche Bank AG13,603$1.75M0.00%+150+1.1%Added
American International Group, Inc.13,458$1.74M0.01%−120−0.9%Reduced
Manufacturers Life Insurance Company, The13,370$1.72M0.00%+1,050+8.5%Added
Martingale Asset Management L P13,207$1.70M0.03%00.0%Unchanged
PDT Partners, LLC13,166$1.70M0.16%+1,921+17.1%Added
MetLife Investment Management12,816$1.65M0.01%−345−2.6%Reduced
QSV Equity Investors LLC12,395$1.60M1.54%−2,910−19.0%Reduced
Louisiana State Employees Retirement System12,300$1.59M0.03%−100−0.8%Reduced
Danske Bank A/S12,134$1.56M0.00%+12,134New
Linden Thomas Advisory Services, LLC11,807$1.52M0.24%+218+1.9%Added
AMG National Trust Bank11,591$1.49M0.04%−40.0%Reduced
Yousif Capital Management, LLC11,243$1.45M0.02%−1,052−8.6%Reduced