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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, Q4 2023

Institutional positions in Innospec Inc. as of Dec 31, 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
223
+13 vs. Q3 2023
Shares held
24.0M
+144.8K (+0.6%) vs. Q3 2023
Total value
$2.96B
+$519.0M (+21.3%) vs. Q3 2023
New holders
29
71 more added
Sold out
16
94 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 223 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 heldQ4 2023: $2.96B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q3 2023.

Institutions holding IOSP in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
First Hawaiian Bank7,464$919.9K0.03%−1,076−12.6%Reduced
Gotham Asset Management, LLC7,720$951.4K0.02%−2,342−23.3%Reduced
Teachers Retirement System of the State of Kentucky7,854$968.0K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)8,202$1.01M0.01%+7,621+1,311.7%Added
Amundi8,818$1.02M0.00%−596−6.3%Reduced
ExodusPoint Capital Management, LP8,301$1.02M0.01%−6,685−44.6%Reduced
Summit Global Investments8,574$1.06M0.07%+8,574New
Susquehanna International Group, LLP8,655$1.07M0.00%+1,102+14.6%Added
Bank of Montreal8,744$1.09M0.00%+1,264+16.9%Added
Maryland State Retirement & Pension System9,037$1.11M0.02%−122−1.3%Reduced
STRS Ohio9,500$1.17M0.00%−400−4.0%Reduced
James Investment Research Inc9,512$1.17M0.15%00.0%Unchanged
Jefferies Financial Group Inc.9,552$1.18M0.02%+9,552New
Canada Pension Plan Investment Board9,813$1.21M0.00%+9,813New
D. E. Shaw & Co., Inc.10,008$1.23M0.00%−9,022−47.4%Reduced
Balyasny Asset Management LLC10,034$1.24M0.00%+808+8.8%Added
New York State Common Retirement Fund10,300$1.27M0.00%−647−5.9%Reduced
TD Asset Management Inc10,300$1.27M0.00%00.0%Unchanged
Tredje AP-fonden10,499$1.29M0.02%00.0%Unchanged
Amalgamated Bank10,569$1.30M0.01%−247−2.3%Reduced
Teacher Retirement System of Texas10,653$1.31M0.01%−5,652−34.7%Reduced
Jane Street Group, LLC10,818$1.33M0.00%+7,626+238.9%Added
Diversified Trust Co11,154$1.37M0.05%+185+1.7%Added
PDT Partners, LLC11,245$1.39M0.15%+110+1.0%Added
Comerica Bank11,466$1.41M0.01%−134−1.2%Reduced
Mirae Asset Global Investments Co., Ltd.11,551$1.42M0.00%+774+7.2%Added
Putnam Investments LLC11,557$1.42M0.00%−358−3.0%Reduced
Linden Thomas Advisory Services, LLC11,589$1.43M0.27%−133−1.1%Reduced
AMG National Trust Bank11,595$1.43M0.04%+2,721+30.7%Added
Ensign Peak Advisors, Inc11,722$1.44M0.00%+2,650+29.2%Added
Edgestream Partners, L.P.11,755$1.45M0.10%+11,755New
Yousif Capital Management, LLC12,295$1.52M0.02%−435−3.4%Reduced
Two Sigma Advisers, LP12,300$1.52M0.00%−19,700−61.6%Reduced
Manufacturers Life Insurance Company, The12,320$1.52M0.00%−223−1.8%Reduced
First Trust Advisors LP12,344$1.52M0.00%−16,000−56.4%Reduced
Louisiana State Employees Retirement System12,400$1.53M0.03%−300−2.4%Reduced
MetLife Investment Management13,161$1.62M0.01%00.0%Unchanged
Martingale Asset Management L P13,207$1.63M0.03%00.0%Unchanged
Deutsche Bank AG13,453$1.66M0.00%+111+0.8%Added
American International Group, Inc.13,578$1.67M0.01%−113−0.8%Reduced
Illinois Municipal Retirement Fund14,065$1.73M0.03%−512−3.5%Reduced
New York State Teachers Retirement System15,110$1.86M0.00%+2,185+16.9%Added
State of Alaska, Department of Revenue15,297$1.89M0.02%−185−1.2%Reduced
QSV Equity Investors LLC15,305$1.89M1.83%+15,305New
Franklin Resources Inc15,771$1.94M0.00%−307−1.9%Reduced
Citigroup Inc15,898$1.96M0.00%+5,270+49.6%Added
Price T Rowe Associates Inc16,312$2.01M0.00%+829+5.4%Added
Gsa Capital Partners LLP16,767$2.07M0.17%−2,584−13.4%Reduced
AQR Capital Management LLC18,444$2.27M0.00%−1,370−6.9%Reduced
Skandinaviska Enskilda Banken AB (publ)18,700$2.30M0.01%+7,800+71.6%Added
BNP Paribas Arbitrage, SA18,826$2.32M0.00%−3,091−14.1%Reduced
Public Employees Retirement System of Ohio19,421$2.39M0.01%+60.0%Added
Assenagon Asset Management S.A.20,278$2.50M0.01%+8,463+71.6%Added
Round Hill Asset Management20,379$2.51M1.58%−2,223−9.8%Reduced
State of Tennessee, Treasury Department20,658$2.55M0.01%+6,546+46.4%Added
Oppenheimer Asset Management Inc.20,912$2.58M0.04%+715+3.5%Added
Texas Permanent School Fund21,481$2.65M0.02%+362+1.7%Added
American Century Companies Inc21,494$2.65M0.00%+644+3.1%Added
State of New Jersey Common Pension Fund D22,991$2.83M0.01%00.0%Unchanged
Qube Research & Technologies Ltd23,642$2.91M0.01%−15,413−39.5%Reduced
Envestnet Asset Management Inc24,110$2.97M0.00%+1,242+5.4%Added
State Board of Administration of Florida Retirement System25,367$3.13M0.01%00.0%Unchanged
California State Teachers Retirement System26,334$3.25M0.00%−1,158−4.2%Reduced
Great West Life Assurance Co28,024$3.45M0.01%+434+1.6%Added
Alliancebernstein L.P.28,671$3.53M0.00%−520−1.8%Reduced
Prudential Financial Inc28,744$3.54M0.01%−358−1.2%Reduced
FMR LLC29,782$3.67M0.00%−181−0.6%Reduced
Connors Investor Services Inc32,849$4.05M0.45%+1,357+4.3%Added
Bahl & Gaynor Inc36,001$4.44M0.03%+1,177+3.4%Added
Royal Bank of Canada37,115$4.58M0.00%+13,701+58.5%Added
UBS Asset Management Americas Inc37,401$4.61M0.00%+1,857+5.2%Added
B. Metzler seel. Sohn & Co. AG37,652$4.64M0.06%+515+1.4%Added
Barclays PLC39,225$4.83M0.00%+26,725+213.8%Added
ZWJ Investment Counsel Inc41,936$5.17M0.27%+2,115+5.3%Added
Moran Wealth Management, LLC46,869$5.78M0.21%+484+1.0%Added
Swiss National Bank49,003$6.04M0.00%−5,700−10.4%Reduced
Panagora Asset Management Inc49,113$6.05M0.03%+10,156+26.1%Added
Public Sector Pension Investment Board51,602$6.36M0.05%+20,868+67.9%Added
Credit Suisse AG56,667$6.98M0.01%+8,726+18.2%Added
Huber Capital Management LLC56,786$7.00M1.76%−26,547−31.9%Reduced
UBS Group AG57,410$7.08M0.00%+57,382+204,935.7%Added
Wells Fargo & Company60,061$7.40M0.00%−369−0.6%Reduced
Millennium Management LLC60,170$7.42M0.01%+23,853+65.7%Added
Thrivent Financial for Lutherans65,208$8.04M0.02%−3,133−4.6%Reduced
Leeward Investments, LLC - MA69,408$8.55M0.40%−536−0.8%Reduced
Legal & General Group Plc70,721$8.72M0.00%+662+0.9%Added
Rhumbline Advisers75,386$9.29M0.01%+574+0.8%Added
Algert Global LLC76,327$9.41M0.38%−1,961−2.5%Reduced
Osterweis Capital Management Inc79,610$9.81M0.62%−2,745−3.3%Reduced
Kirr Marbach & Co LLC79,776$9.83M2.58%−623−0.8%Reduced
Hotchkis & Wiley Capital Management LLC79,800$9.83M0.04%−2,100−2.6%Reduced
Segall Bryant & Hamill, LLC87,043$10.7M0.21%−865−1.0%Reduced
Ameriprise Financial Inc87,138$10.7M0.00%−2,388−2.7%Reduced
Raymond James & Associates87,782$10.8M0.01%−2,367−2.6%Reduced
Acadian Asset Management LLC99,425$12.2M0.05%−12,227−11.0%Reduced
Bessemer Group Inc118,146$14.6M0.03%+24,480+26.1%Added
JPMorgan Chase & Co129,900$16.0M0.00%−3,434−2.6%Reduced
SEI Investments Co132,256$16.3M0.03%+3,750+2.9%Added
Principal Financial Group Inc135,189$16.7M0.01%−1,956−1.4%Reduced
Telemark Asset Management, LLC147,000$18.1M2.70%−3,000−2.0%Reduced