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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 2023

Institutional positions in Innospec Inc. as of Mar 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
219
−1 vs. Q4 2022
Shares held
23.9M
+144.7K (+0.6%) vs. Q4 2022
Total value
$2.45B
+$10.2M (+0.4%) vs. Q4 2022
New holders
13
95 more added
Sold out
14
82 more reduced

3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 219 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 2023: $2.45B
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 2023

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q4 2022.

Institutions holding IOSP in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
XTX Topco Ltd7,350$754.6K0.16%+3,267+80.0%Added
Teachers Retirement System of the State of Kentucky7,420$762.0K0.01%00.0%Unchanged
American Century Companies Inc7,955$803.1K0.00%+1,257+18.8%Added
Hillsdale Investment Management Inc.7,900$811.1K0.07%00.0%Unchanged
Allianz Asset Management GmbH7,975$818.8K0.00%+7,975New
Oregon Public Employees Retirement Fund7,995$820.8K0.01%−249−3.0%Reduced
Envestnet Asset Management Inc8,380$860.4K0.00%+645+8.3%Added
Diversified Trust Co8,511$873.8K0.03%+1,966+30.0%Added
First Hawaiian Bank8,570$879.9K0.03%−23−0.3%Reduced
ExodusPoint Capital Management, LP8,946$918.0K0.01%+599+7.2%Added
Panagora Asset Management Inc8,996$923.6K0.01%00.0%Unchanged
Ensign Peak Advisors, Inc9,072$931.4K0.00%+1,050+13.1%Added
Aviva PLC9,250$949.7K0.00%+9,250New
James Investment Research Inc9,512$977.0K0.13%+44+0.5%Added
Ergoteles LLC9,699$995.8K0.04%+7,234+293.5%Added
Amundi9,782$1.00M0.00%+5,733+141.6%Added
Manufacturers Life Insurance Company, The9,776$1.00M0.00%+42+0.4%Added
STRS Ohio9,800$1.01M0.00%−200−2.0%Reduced
Maryland State Retirement & Pension System9,973$1.02M0.02%−221−2.2%Reduced
HRT Financial LP10,166$1.04M0.01%−10,271−50.3%Reduced
Royal Bank of Canada10,441$1.07M0.00%−3,459−24.9%Reduced
Tredje AP-fonden10,499$1.08M0.02%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.10,777$1.11M0.00%+161+1.5%Added
Russell Investments Group, Ltd.10,887$1.12M0.00%+5,658+108.2%Added
Amalgamated Bank11,167$1.15M0.01%−838−7.0%Reduced
Louisiana State Employees Retirement System11,500$1.18M0.03%−300−2.5%Reduced
Citigroup Inc11,700$1.20M0.00%−3,124−21.1%Reduced
UBS Group AG11,890$1.22M0.00%+4,888+69.8%Added
Putnam Investments LLC12,384$1.27M0.00%−521−4.0%Reduced
Susquehanna International Group, LLP12,491$1.28M0.00%+2,698+27.6%Added
Barclays PLC12,600$1.29M0.00%+623+5.2%Added
State of Tennessee, Treasury Department12,638$1.30M0.01%−8,290−39.6%Reduced
New York State Common Retirement Fund12,866$1.32M0.00%−5,827−31.2%Reduced
First Trust Advisors LP12,912$1.33M0.00%−1,058−7.6%Reduced
MetLife Investment Management13,161$1.35M0.01%00.0%Unchanged
Martingale Asset Management L P13,207$1.36M0.03%+100+0.8%Added
Price T Rowe Associates Inc13,336$1.37M0.00%+605+4.8%Added
American International Group, Inc.13,518$1.39M0.01%+60+0.4%Added
New York State Teachers Retirement System13,625$1.40M0.00%−300−2.2%Reduced
Teacher Retirement System of Texas13,670$1.40M0.01%−10.0%Reduced
FMR LLC13,742$1.41M0.00%+45+0.3%Added
Graham Capital Management, L.P.14,229$1.46M0.05%−8,622−37.7%Reduced
Yousif Capital Management, LLC14,327$1.47M0.02%−1,830−11.3%Reduced
AQR Capital Management LLC14,443$1.48M0.00%+668+4.8%Added
SG Americas Securities, LLC15,350$1.58M0.02%+13,728+846.4%Added
Trexquant Investment LP15,613$1.60M0.04%+13,244+559.1%Added
D. E. Shaw & Co., Inc.15,694$1.61M0.00%−2,290−12.7%Reduced
BNP Paribas Arbitrage, SA16,939$1.74M0.00%+10,997+185.1%Added
State of Alaska, Department of Revenue16,958$1.74M0.02%−291−1.7%Reduced
Deutsche Bank AG17,752$1.82M0.00%+5,078+40.1%Added
Oppenheimer Asset Management Inc.17,970$1.84M0.03%+2,043+12.8%Added
Public Employees Retirement System of Ohio19,420$1.99M0.01%+2,486+14.7%Added
State of New Jersey Common Pension Fund D20,835$2.14M0.01%00.0%Unchanged
Tudor Investment Corp Et Al21,389$2.20M0.04%−11,772−35.5%Reduced
Texas Permanent School Fund22,209$2.28M0.02%+5,560+33.4%Added
State Board of Administration of Florida Retirement System22,507$2.31M0.01%+14,501+181.1%Added
Round Hill Asset Management22,602$2.32M1.45%00.0%Unchanged
Prudential Financial Inc24,248$2.49M0.00%−735−2.9%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys26,222$2.69M0.02%−282−1.1%Reduced
Great West Life Assurance Co28,755$2.95M0.01%−1,513−5.0%Reduced
California State Teachers Retirement System30,969$3.18M0.00%−487−1.5%Reduced
Connors Investor Services Inc31,580$3.24M0.38%+183+0.6%Added
Qube Research & Technologies Ltd33,923$3.48M0.02%+16,421+93.8%Added
Renaissance Technologies LLC34,362$3.53M0.00%+16,362+90.9%Added
UBS Asset Management Americas Inc35,251$3.62M0.00%+1,678+5.0%Added
B. Metzler seel. Sohn & Co. AG37,480$3.85M0.06%+5,102+15.8%Added
ZWJ Investment Counsel Inc40,188$4.13M0.23%−1,778−4.2%Reduced
Two Sigma Investments, LP43,256$4.44M0.01%+31,063+254.8%Added
Public Sector Pension Investment Board43,556$4.47M0.03%−1,499−3.3%Reduced
Two Sigma Advisers, LP45,400$4.66M0.01%+30,300+200.7%Added
Moran Wealth Management, LLC45,675$4.69M0.18%+4,150+10.0%Added
Credit Suisse AG46,007$4.72M0.00%+1,933+4.4%Added
Millennium Management LLC47,093$4.83M0.01%−7,711−14.1%Reduced
Swiss National Bank53,403$5.48M0.00%−6,400−10.7%Reduced
Wells Fargo & Company54,233$5.57M0.00%+3,851+7.6%Added
Mutual of America Capital Management LLC54,388$5.58M0.07%−13,120−19.4%Reduced
Kennedy Capital Management, Inc.62,783$6.45M0.19%−17,157−21.5%Reduced
Cubist Systematic Strategies, LLC65,348$6.71M0.06%+15,277+30.5%Added
Osterweis Capital Management Inc66,160$6.79M0.46%+345+0.5%Added
Algert Global LLC68,778$7.06M0.33%+31,058+82.3%Added
Thrivent Financial for Lutherans71,770$7.37M0.02%−4,428−5.8%Reduced
Legal & General Group Plc72,818$7.48M0.00%−980−1.3%Reduced
Acadian Asset Management LLC74,431$7.63M0.03%+2,553+3.6%Added
Rhumbline Advisers76,536$7.86M0.01%+5,056+7.1%Added
Leeward Investments, LLC - MA77,346$7.94M0.36%−3,824−4.7%Reduced
Bessemer Group Inc78,029$8.01M0.02%+2,431+3.2%Added
Kirr Marbach & Co LLC79,782$8.19M2.54%−565−0.7%Reduced
Huber Capital Management LLC81,262$8.34M2.07%−15,700−16.2%Reduced
Raymond James & Associates83,435$8.57M0.01%+7,134+9.3%Added
Segall Bryant & Hamill, LLC88,033$9.04M0.10%+1,088+1.3%Added
Ameriprise Financial Inc93,421$9.59M0.00%−4,223−4.3%Reduced
JPMorgan Chase & Co130,188$13.4M0.00%+28,146+27.6%Added
Voya Investment Management LLC131,891$13.5M0.01%−83,720−38.8%Reduced
SEI Investments Co132,744$13.6M0.03%+54,297+69.2%Added
Goldman Sachs Group Inc141,862$14.6M0.00%+15,578+12.3%Added
Principal Financial Group Inc149,566$15.4M0.01%−2,964−1.9%Reduced
Invesco Ltd.173,945$17.9M0.00%+5,042+3.0%Added
Telemark Asset Management, LLC180,000$18.5M2.74%−30,000−14.3%Reduced
Eagle Asset Management Inc188,967$19.4M0.11%+4,019+2.2%Added
Alliancebernstein L.P.196,917$20.2M0.01%−458,130−69.9%Reduced