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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 2021

Institutional positions in Innospec Inc. as of Sep 30, 2021. 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
188
+8 vs. Q2 2021
Shares held
23.4M
+74.3K (+0.3%) vs. Q2 2021
Total value
$1.97B
−$143.0M (−6.8%) vs. Q2 2021
New holders
18
81 more added
Sold out
10
57 more reduced

Compare with Q2 2021: 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 2021: 188 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 2021: $1.97B
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 2021

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q2 2021.

Institutions holding IOSP in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,897,893$328.3M0.01%−113,339−2.8%Reduced
Vanguard Group Inc2,655,574$223.7M0.01%+15,599+0.6%Added
Wells Fargo & Company2,452,830$206.6M0.05%+137,028+5.9%Added
Royce & Associates LP1,198,018$100.9M0.75%+281,743+30.7%Added
Dimensional Fund Advisors LP1,165,747$98.2M0.03%−9,497−0.8%Reduced
Alliancebernstein L.P.972,962$81.9M0.03%+105,526+12.2%Added
Janus Henderson Group PLC904,299$76.2M0.03%+76,319+9.2%Added
Champlain Investment Partners, LLC837,580$70.5M0.34%+16,390+2.0%Added
State Street Corp808,422$68.1M0.00%+676+0.1%Added
FMR LLC719,089$60.6M0.00%−948,609−56.9%Reduced
Wasatch Advisors Inc557,098$46.9M0.19%+139,022+33.3%Added
Nuveen Asset Management, LLC464,103$39.1M0.01%+34,153+7.9%Added
Geode Capital Management, LLC448,952$37.8M0.01%+13,713+3.2%Added
Northern Trust Corp400,166$33.7M0.01%−14,962−3.6%Reduced
Bank of New York Mellon Corp315,288$26.6M0.01%+5,326+1.7%Added
Norges Bank292,374$24.6M0.01%+46,204+18.8%Added
Westwood Holdings Group Inc.278,311$23.4M0.25%+4,245+1.5%Added
Lazard Asset Management LLC249,235$21.0M0.02%+7,128+2.9%Added
Charles Schwab Investment Management Inc245,140$20.6M0.01%+9,637+4.1%Added
Bank of America Corp234,407$19.7M0.00%+30,252+14.8%Added
Eagle Asset Management Inc217,171$18.3M0.08%−33,082−13.2%Reduced
Goldman Sachs Group Inc191,866$16.2M0.00%+80,438+72.2%Added
Invesco Ltd.186,556$15.7M0.00%−52,902−22.1%Reduced
Morgan Stanley181,283$15.3M0.00%+61,904+51.9%Added
Principal Financial Group Inc171,016$14.4M0.01%−2,318−1.3%Reduced
Telemark Asset Management, LLC150,000$12.6M0.91%+50,000+50.0%Added
Royal Bank of Canada141,915$12.0M0.00%−5,931−4.0%Reduced
Huber Capital Management LLC136,107$11.5M2.96%+27,976+25.9%Added
Price T Rowe Associates Inc131,684$11.1M0.00%−30,962−19.0%Reduced
Thrivent Financial for Lutherans128,904$10.9M0.02%−149,626−53.7%Reduced
Tygh Capital Management, Inc.125,019$10.5M1.42%−18,313−12.8%Reduced
Ameriprise Financial Inc105,921$8.92M0.00%−2,724−2.5%Reduced
JPMorgan Chase & Co99,622$8.39M0.00%−10,017−9.1%Reduced
Millennium Management LLC94,591$7.97M0.01%+80,180+556.4%Added
Man Group plc84,034$7.08M0.03%+11,278+15.5%Added
Kirr Marbach & Co LLC83,680$7.05M2.06%−3,355−3.9%Reduced
Two Sigma Investments, LP82,233$6.93M0.02%+22,201+37.0%Added
Parametric Portfolio Associates LLC81,859$6.89M0.00%+9,545+13.2%Added
D. E. Shaw & Co., Inc.70,057$5.90M0.01%+36,778+110.5%Added
Two Sigma Advisers, LP68,200$5.74M0.01%+35,600+109.2%Added
Legal & General Group Plc68,156$5.74M0.00%+5,010+7.9%Added
Rhumbline Advisers67,948$5.72M0.01%−9,529−12.3%Reduced
Mondrian Investment Partners LTD58,349$4.91M0.10%+54+0.1%Added
Kennedy Capital Management, Inc.56,232$4.74M0.11%−1,962−3.4%Reduced
Swiss National Bank54,403$4.58M0.00%+200+0.4%Added
Public Sector Pension Investment Board49,792$4.19M0.02%−500−1.0%Reduced
Amundi48,031$4.04M0.00%−36,238−43.0%Reduced
Citadel Advisors LLC43,610$3.67M0.00%+24,592+129.3%Added
Tocqueville Asset Management L.P.40,375$3.40M0.05%−300−0.7%Reduced
Raymond James & Associates37,521$3.16M0.00%+15,172+67.9%Added
Barclays PLC35,686$3.01M0.00%+16,925+90.2%Added
Segall Bryant & Hamill, LLC34,822$2.93M0.03%+894+2.6%Added
UBS Asset Management Americas Inc34,138$2.88M0.00%+642+1.9%Added
California State Teachers Retirement System33,426$2.81M0.00%−376−1.1%Reduced
Acadian Asset Management LLC30,962$2.60M0.01%+22,696+274.6%Added
Connors Investor Services Inc30,234$2.55M0.27%+972+3.3%Added
ZWJ Investment Counsel Inc30,108$2.54M0.14%+2,575+9.4%Added
State of New Jersey Common Pension Fund D29,157$2.46M0.01%+4,224+16.9%Added
Cubist Systematic Strategies, LLC28,100$2.37M0.03%+9,230+48.9%Added
BNP Paribas Arbitrage, SA27,139$2.29M0.01%+15,015+123.8%Added
Prudential Financial Inc27,012$2.27M0.00%−233−0.9%Reduced
State of Wisconsin Investment Board26,200$2.21M0.00%−54,200−67.4%Reduced
Comerica Bank22,342$1.98M0.01%−699−3.0%Reduced
Round Hill Asset Management22,832$1.92M0.97%00.0%Unchanged
Public Employees Retirement System of Ohio22,732$1.91M0.01%+123+0.5%Added
Renaissance Technologies LLC22,300$1.88M0.00%−18,700−45.6%Reduced
Credit Suisse AG22,055$1.86M0.00%−2,020−8.4%Reduced
Voya Investment Management LLC21,856$1.84M0.00%+54+0.2%Added
Great West Life Assurance Co21,393$1.81M0.00%+448+2.1%Added
State Board of Administration of Florida Retirement System21,291$1.79M0.00%−2,389−10.1%Reduced
Ensign Peak Advisors, Inc19,252$1.62M0.00%00.0%Unchanged
Deutsche Bank AG18,784$1.58M0.00%+1,793+10.6%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys18,684$1.57M0.02%−201−1.1%Reduced
Voloridge Investment Management, LLC18,663$1.57M0.01%+14,222+320.2%Added
Aviva PLC18,642$1.57M0.01%+18,642New
Texas Permanent School Fund18,228$1.53M0.02%−111−0.6%Reduced
HRT Financial LP18,190$1.53M0.01%+15,167+501.7%Added
State of Alaska, Department of Revenue17,972$1.51M0.02%+947+5.6%Added
New York State Common Retirement Fund17,658$1.49M0.00%−3,643−17.1%Reduced
Russell Investments Group, Ltd.17,130$1.44M0.00%+6,851+66.7%Added
HITE Hedge Asset Management LLC16,573$1.40M0.18%+16,573New
B. Metzler seel. Sohn & Co. Holding AG16,553$1.39M0.02%+4,086+32.8%Added
Holocene Advisors, LP15,663$1.32M0.01%+8,935+132.8%Added
American International Group, Inc.15,405$1.30M0.01%−532−3.3%Reduced
State of Tennessee, Treasury Department15,380$1.30M0.01%−844−5.2%Reduced
Tudor Investment Corp Et Al14,605$1.23M0.03%+14,605New
New York State Teachers Retirement System14,525$1.22M0.00%−237−1.6%Reduced
NFJ Investment Group, LLC13,945$1.17M0.02%−342−2.4%Reduced
Citigroup Inc13,897$1.17M0.00%−1,743−11.1%Reduced
STRS Ohio13,500$1.14M0.00%+300+2.3%Added
Dynamic Technology Lab Private Ltd12,583$1.06M0.13%+8,809+233.4%Added
Manufacturers Life Insurance Company, The12,347$1.04M0.00%−1,224−9.0%Reduced
Amalgamated Bank12,133$1.02M0.01%−231−1.9%Reduced
Federation des caisses Desjardins du Quebec12,070$1.01M0.01%+660+5.8%Added
Louisiana State Employees Retirement System11,900$1.00M0.02%+800+7.2%Added
Diversified Trust Co11,651$981.0K0.04%+6,758+138.1%Added
Assenagon Asset Management S.A.11,560$974.0K0.00%+11,560New
Los Angeles Capital Management LLC11,466$966.0K0.00%00.0%Unchanged
Panagora Asset Management Inc10,984$925.0K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.10,900$918.0K0.07%+10,900New