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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
BlackRock Inc.3,974,345$489.8M0.01%+138,199+3.6%Added
Vanguard Group Inc2,953,918$364.0M0.01%+12,562+0.4%Added
Allspring Global Investments Holdings, LLC2,337,644$288.1M0.48%−62,684−2.6%Reduced
Wasatch Advisors Inc1,950,016$240.3M1.32%−25,154−1.3%Reduced
Dimensional Fund Advisors LP1,215,525$149.8M0.04%−6,550−0.5%Reduced
Victory Capital Management Inc1,023,632$126.2M0.13%−114,789−10.1%Reduced
State Street Corp959,907$118.3M0.01%+51,345+5.7%Added
Royce & Associates LP824,125$101.6M0.94%−23,525−2.8%Reduced
Champlain Investment Partners, LLC779,565$96.1M0.57%−43,465−5.3%Reduced
Geode Capital Management, LLC591,737$72.9M0.01%+26,148+4.6%Added
Janus Henderson Group PLC581,053$71.6M0.04%+916+0.2%Added
Nuveen Asset Management, LLC464,532$57.2M0.02%+10,572+2.3%Added
Northern Trust Corp401,422$49.5M0.01%+710.0%Added
Charles Schwab Investment Management Inc307,490$37.9M0.01%+8,855+3.0%Added
Invesco Ltd.287,050$35.4M0.01%+143,941+100.6%Added
Westwood Holdings Group Inc.272,000$33.5M0.28%−40,767−13.0%Reduced
Bank of New York Mellon Corp263,055$32.4M0.01%−397−0.2%Reduced
Goldman Sachs Group Inc248,344$30.6M0.01%−35,587−12.5%Reduced
Morgan Stanley219,406$27.0M0.00%+18,305+9.1%Added
Norges Bank210,359$25.9M0.00%+28,048+15.4%Added
Eagle Asset Management Inc198,344$24.4M0.13%+8,644+4.6%Added
Bank of America Corp183,684$22.6M0.00%+949+0.5%Added
Voya Investment Management LLC155,795$19.2M0.02%+34,555+28.5%Added
Telemark Asset Management, LLC147,000$18.1M2.70%−3,000−2.0%Reduced
Principal Financial Group Inc135,189$16.7M0.01%−1,956−1.4%Reduced
SEI Investments Co132,256$16.3M0.03%+3,750+2.9%Added
JPMorgan Chase & Co129,900$16.0M0.00%−3,434−2.6%Reduced
Bessemer Group Inc118,146$14.6M0.03%+24,480+26.1%Added
Acadian Asset Management LLC99,425$12.2M0.05%−12,227−11.0%Reduced
Raymond James & Associates87,782$10.8M0.01%−2,367−2.6%Reduced
Ameriprise Financial Inc87,138$10.7M0.00%−2,388−2.7%Reduced
Segall Bryant & Hamill, LLC87,043$10.7M0.21%−865−1.0%Reduced
Hotchkis & Wiley Capital Management LLC79,800$9.83M0.04%−2,100−2.6%Reduced
Kirr Marbach & Co LLC79,776$9.83M2.58%−623−0.8%Reduced
Osterweis Capital Management Inc79,610$9.81M0.62%−2,745−3.3%Reduced
Algert Global LLC76,327$9.41M0.38%−1,961−2.5%Reduced
Rhumbline Advisers75,386$9.29M0.01%+574+0.8%Added
Legal & General Group Plc70,721$8.72M0.00%+662+0.9%Added
Leeward Investments, LLC - MA69,408$8.55M0.40%−536−0.8%Reduced
Thrivent Financial for Lutherans65,208$8.04M0.02%−3,133−4.6%Reduced
Millennium Management LLC60,170$7.42M0.01%+23,853+65.7%Added
Wells Fargo & Company60,061$7.40M0.00%−369−0.6%Reduced
UBS Group AG57,410$7.08M0.00%+57,382+204,935.7%Added
Huber Capital Management LLC56,786$7.00M1.76%−26,547−31.9%Reduced
Credit Suisse AG56,667$6.98M0.01%+8,726+18.2%Added
Public Sector Pension Investment Board51,602$6.36M0.05%+20,868+67.9%Added
Panagora Asset Management Inc49,113$6.05M0.03%+10,156+26.1%Added
Swiss National Bank49,003$6.04M0.00%−5,700−10.4%Reduced
Moran Wealth Management, LLC46,869$5.78M0.21%+484+1.0%Added
ZWJ Investment Counsel Inc41,936$5.17M0.27%+2,115+5.3%Added
Barclays PLC39,225$4.83M0.00%+26,725+213.8%Added
B. Metzler seel. Sohn & Co. AG37,652$4.64M0.06%+515+1.4%Added
UBS Asset Management Americas Inc37,401$4.61M0.00%+1,857+5.2%Added
Royal Bank of Canada37,115$4.58M0.00%+13,701+58.5%Added
Bahl & Gaynor Inc36,001$4.44M0.03%+1,177+3.4%Added
Connors Investor Services Inc32,849$4.05M0.45%+1,357+4.3%Added
FMR LLC29,782$3.67M0.00%−181−0.6%Reduced
Prudential Financial Inc28,744$3.54M0.01%−358−1.2%Reduced
Alliancebernstein L.P.28,671$3.53M0.00%−520−1.8%Reduced
Great West Life Assurance Co28,024$3.45M0.01%+434+1.6%Added
California State Teachers Retirement System26,334$3.25M0.00%−1,158−4.2%Reduced
State Board of Administration of Florida Retirement System25,367$3.13M0.01%00.0%Unchanged
Envestnet Asset Management Inc24,110$2.97M0.00%+1,242+5.4%Added
Qube Research & Technologies Ltd23,642$2.91M0.01%−15,413−39.5%Reduced
State of New Jersey Common Pension Fund D22,991$2.83M0.01%00.0%Unchanged
American Century Companies Inc21,494$2.65M0.00%+644+3.1%Added
Texas Permanent School Fund21,481$2.65M0.02%+362+1.7%Added
Oppenheimer Asset Management Inc.20,912$2.58M0.04%+715+3.5%Added
State of Tennessee, Treasury Department20,658$2.55M0.01%+6,546+46.4%Added
Round Hill Asset Management20,379$2.51M1.58%−2,223−9.8%Reduced
Assenagon Asset Management S.A.20,278$2.50M0.01%+8,463+71.6%Added
Public Employees Retirement System of Ohio19,421$2.39M0.01%+60.0%Added
BNP Paribas Arbitrage, SA18,826$2.32M0.00%−3,091−14.1%Reduced
Skandinaviska Enskilda Banken AB (publ)18,700$2.30M0.01%+7,800+71.6%Added
AQR Capital Management LLC18,444$2.27M0.00%−1,370−6.9%Reduced
Gsa Capital Partners LLP16,767$2.07M0.17%−2,584−13.4%Reduced
Price T Rowe Associates Inc16,312$2.01M0.00%+829+5.4%Added
Citigroup Inc15,898$1.96M0.00%+5,270+49.6%Added
Franklin Resources Inc15,771$1.94M0.00%−307−1.9%Reduced
QSV Equity Investors LLC15,305$1.89M1.83%+15,305New
State of Alaska, Department of Revenue15,297$1.89M0.02%−185−1.2%Reduced
New York State Teachers Retirement System15,110$1.86M0.00%+2,185+16.9%Added
Illinois Municipal Retirement Fund14,065$1.73M0.03%−512−3.5%Reduced
American International Group, Inc.13,578$1.67M0.01%−113−0.8%Reduced
Deutsche Bank AG13,453$1.66M0.00%+111+0.8%Added
Martingale Asset Management L P13,207$1.63M0.03%00.0%Unchanged
MetLife Investment Management13,161$1.62M0.01%00.0%Unchanged
Louisiana State Employees Retirement System12,400$1.53M0.03%−300−2.4%Reduced
First Trust Advisors LP12,344$1.52M0.00%−16,000−56.4%Reduced
Manufacturers Life Insurance Company, The12,320$1.52M0.00%−223−1.8%Reduced
Two Sigma Advisers, LP12,300$1.52M0.00%−19,700−61.6%Reduced
Yousif Capital Management, LLC12,295$1.52M0.02%−435−3.4%Reduced
Edgestream Partners, L.P.11,755$1.45M0.10%+11,755New
Ensign Peak Advisors, Inc11,722$1.44M0.00%+2,650+29.2%Added
AMG National Trust Bank11,595$1.43M0.04%+2,721+30.7%Added
Linden Thomas Advisory Services, LLC11,589$1.43M0.27%−133−1.1%Reduced
Putnam Investments LLC11,557$1.42M0.00%−358−3.0%Reduced
Mirae Asset Global Investments Co., Ltd.11,551$1.42M0.00%+774+7.2%Added
Comerica Bank11,466$1.41M0.01%−134−1.2%Reduced
PDT Partners, LLC11,245$1.39M0.15%+110+1.0%Added