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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, Q2 2025

Institutional positions in Innospec Inc. as of Jun 30, 2025. 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
262
−9 vs. Q1 2025
Shares held
24.0M
−458.5K (−1.9%) vs. Q1 2025
Total value
$2.03B
−$263.2M (−11.5%) vs. Q1 2025
New holders
31
110 more added
Sold out
40
86 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 262 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 heldQ2 2025: $2.03B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q1 2025.

Institutions holding IOSP in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Royal Bank of Canada18,501$1.56M0.00%−11,766−38.9%Reduced
CBOE Vest Financial, LLC18,253$1.53M0.02%−2,126−10.4%Reduced
Envestnet Asset Management Inc17,253$1.45M0.00%−10,941−38.8%Reduced
Dynamic Technology Lab Private Ltd16,801$1.41M0.19%+6,616+65.0%Added
State of Tennessee, Treasury Department16,582$1.39M0.00%00.0%Unchanged
Deutsche Bank AG16,395$1.38M0.00%−3,315−16.8%Reduced
Tredje AP-fonden15,047$1.27M0.01%+4,548+43.3%Added
Public Employees Retirement System of Ohio14,957$1.26M0.00%+1,976+15.2%Added
Wedge Capital Management L L P14,952$1.26M0.02%+14,952New
MetLife Investment Management14,889$1.25M0.01%+159+1.1%Added
Cerity Partners LLC14,833$1.25M0.00%+1,615+12.2%Added
State of Alaska, Department of Revenue14,845$1.25M0.01%+1,024+7.4%Added
Mirae Asset Global ETFs Holdings Ltd.13,772$1.16M0.00%−1,061−7.2%Reduced
PDT Partners, LLC13,443$1.13M0.06%+13,443New
Manufacturers Life Insurance Company, The13,127$1.10M0.00%−638−4.6%Reduced
Aquatic Capital Management LLC13,024$1.10M0.02%+2,653+25.6%Added
Illinois Municipal Retirement Fund12,917$1.09M0.01%−301−2.3%Reduced
Jump Financial, LLC12,259$1.03M0.01%+4,808+64.5%Added
QSV Equity Investors LLC12,165$1.02M1.07%−142−1.2%Reduced
Comerica Bank12,095$1.02M0.00%+3,666+43.5%Added
Round Hill Asset Management11,974$1.01M0.68%00.0%Unchanged
HSBC Holdings PLC11,857$1.00M0.00%+4,459+60.3%Added
Linden Thomas Advisory Services, LLC11,736$986.9K0.11%−190−1.6%Reduced
Louisiana State Employees Retirement System11,700$983.9K0.02%00.0%Unchanged
New York State Teachers Retirement System11,596$975.0K0.00%−1,100−8.7%Reduced
Ensign Peak Advisors, Inc11,159$938.4K0.00%00.0%Unchanged
Point72 Asset Management, L.P.11,048$929.1K0.00%−4,552−29.2%Reduced
Pathstone Holdings, LLC10,509$883.7K0.00%−4,833−31.5%Reduced
Entropy Technologies, LP10,379$872.8K0.07%+10,379New
CM Management, LLC10,000$840.9K0.77%+10,000New
Ieq Capital, LLC9,977$839.0K0.01%+9,977New
State of Wisconsin Investment Board9,592$806.6K0.00%+6,937+261.3%Added
Freestone Grove Partners LP9,277$780.1K0.01%+9,277New
Yousif Capital Management, LLC9,275$779.9K0.01%+41+0.4%Added
Brevan Howard Capital Management LP9,053$761.3K0.01%−1,656−15.5%Reduced
New York State Common Retirement Fund8,911$749.3K0.00%+1,200+15.6%Added
James Investment Research Inc8,334$700.8K0.08%00.0%Unchanged
XTX Topco Ltd8,039$676.0K0.03%−4,506−35.9%Reduced
Squarepoint Ops LLC7,727$649.8K0.00%+7,727New
STRS Ohio7,400$622.3K0.00%−1,000−11.9%Reduced
Teachers Retirement System of the State of Kentucky7,339$617.0K0.00%−515−6.6%Reduced
Arizona State Retirement System7,318$615.4K0.00%+175+2.4%Added
Maryland State Retirement & Pension System7,276$611.8K0.01%00.0%Unchanged
Amalgamated Bank7,127$599.0K0.00%+13+0.2%Added
State Board of Administration of Florida Retirement System6,756$568.1K0.00%00.0%Unchanged
Axq Capital, LP6,751$567.7K0.18%+6,751New
Tower Research Capital LLC (TRC)6,710$564.2K0.02%+6,430+2,296.4%Added
LPL Financial LLC6,693$562.8K0.00%−4,083−37.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)6,649$559.1K0.00%00.0%Unchanged
Aigen Investment Management, LP6,422$540.0K0.07%+2,563+66.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys6,408$538.8K0.00%+439+7.4%Added
Petrus Trust Company, LTA6,135$515.9K0.05%+1,296+26.8%Added
Oregon Public Employees Retirement Fund5,731$481.9K0.01%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey5,628$473.3K0.00%+320+6.0%Added
Guggenheim Capital LLC5,552$466.9K0.00%+909+19.6%Added
R Squared Ltd5,511$463.4K0.26%+2,741+99.0%Added
CWM, LLC5,492$462.0K0.00%+4,860+769.0%Added
Russell Investments Group, Ltd.5,348$449.8K0.00%+353+7.1%Added
Burney Co5,291$444.9K0.02%−24,154−82.0%Reduced
Caxton Associates LLP5,116$430.2K0.01%−1,066−17.2%Reduced
DRW Securities, LLC5,109$429.6K0.03%+2,772+118.6%Added
KLP Kapitalforvaltning AS5,000$420.4K0.00%00.0%Unchanged
Bell & Brown Wealth Advisors, LLC4,966$417.6K0.15%−250−4.8%Reduced
Keybank National Association4,899$412.0K0.00%−1,717−26.0%Reduced
Acadian Asset Management LLC4,685$393.0K0.00%+1,821+63.6%Added
CWM Advisors, LLC4,620$388.5K0.04%+990+27.3%Added
US Bancorp4,586$385.6K0.00%−496−9.8%Reduced
Man Group plc4,544$382.1K0.00%+118+2.7%Added
HGK Asset Management Inc4,525$380.5K0.07%−298−6.2%Reduced
GWM Advisors LLC4,503$378.7K0.00%−64−1.4%Reduced
Amundi4,276$376.8K0.00%−6,362−59.8%Reduced
MQS Management LLC4,311$362.5K0.20%+4,311New
Bank of Montreal4,217$354.6K0.00%−804−16.0%Reduced
Legacy Wealth Asset Management, LLC4,152$349.1K0.09%−598−12.6%Reduced
Wealth Enhancement Advisory Services, LLC3,893$345.3K0.00%+3,893New
Pictet Asset Management Holding SA4,052$340.7K0.00%+404+11.1%Added
Creative Planning4,015$337.6K0.00%−1,292−24.3%Reduced
Mackenzie Financial Corp3,559$299.3K0.00%00.0%Unchanged
Diversified Trust Co3,510$295.2K0.01%00.0%Unchanged
Jain Global LLC3,401$286.0K0.00%+3,401New
Polymer Capital Management (US) LLC3,358$282.4K0.05%+3,358New
Oxford Asset Management LLP3,233$271.9K0.09%+3,233New
Meeder Asset Management Inc3,225$271.2K0.02%+3,225New
CIBC World Markets Corp3,096$260.3K0.00%−2,436−44.0%Reduced
Public Employees Retirement Association of Colorado3,018$254.0K0.00%00.0%Unchanged
HighTower Advisors, LLC2,895$243.4K0.00%−497−14.7%Reduced
Sanctuary Advisors, LLC2,640$222.0K0.00%−416−13.6%Reduced
FORA Capital, LLC2,619$220.2K0.02%+2,619New
Ameritas Investment Partners, Inc.2,608$219.3K0.01%00.0%Unchanged
EntryPoint Capital, LLC2,596$218.3K0.11%−6,336−70.9%Reduced
Grandfield & Dodd, LLC2,400$201.8K0.01%00.0%Unchanged
Vestcor Inc2,141$180.0K0.01%00.0%Unchanged
FMR LLC1,987$167.1K0.00%+670+50.9%Added
Point72 Asia (Singapore) Pte. Ltd.1,950$164.0K0.03%+121+6.6%Added
Nisa Investment Advisors, LLC1,762$148.2K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,756$147.7K0.00%−97−5.2%Reduced
Shell Asset Management Co1,170$98.0K0.00%−128−9.9%Reduced
Murphy & Mullick Capital Management Corp962$76.9K0.06%00.0%Unchanged
HM Payson & Co909$76.4K0.00%00.0%Unchanged
KBC Group NV860$72.0K0.00%−376−30.4%Reduced