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Livermore
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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 2025

Institutional positions in Innospec Inc. as of Mar 31, 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
272
+12 vs. Q4 2024
Shares held
24.5M
+760.3K (+3.2%) vs. Q4 2024
Total value
$2.29B
−$314.1M (−12.0%) vs. Q4 2024
New holders
44
96 more added
Sold out
32
91 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 272 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 2025: $2.29B
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 2025

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q4 2024.

Institutions holding IOSP in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Healthcare of Ontario Pension Plan Trust Fund13,000$1.23M0.00%00.0%Unchanged
Public Employees Retirement System of Ohio12,981$1.23M0.00%−2,500−16.1%Reduced
New York State Teachers Retirement System12,696$1.20M0.00%−2,285−15.3%Reduced
XTX Topco Ltd12,545$1.19M0.06%+12,545New
QSV Equity Investors LLC12,307$1.17M1.21%−28−0.2%Reduced
Round Hill Asset Management11,974$1.13M0.82%00.0%Unchanged
Linden Thomas Advisory Services, LLC11,926$1.13M0.15%−41−0.3%Reduced
Louisiana State Employees Retirement System11,700$1.11M0.02%−400−3.3%Reduced
AMG National Trust Bank11,614$1.10M0.03%+18+0.2%Added
B. Metzler seel. Sohn & Co. AG11,559$1.10M0.01%−13,472−53.8%Reduced
Ensign Peak Advisors, Inc11,159$1.06M0.00%00.0%Unchanged
ExodusPoint Capital Management, LP10,963$1.04M0.01%+10,963New
LPL Financial LLC10,776$1.02M0.00%+1,193+12.4%Added
Brevan Howard Capital Management LP10,709$1.01M0.03%+3,207+42.7%Added
Tredje AP-fonden10,499$994.8K0.01%00.0%Unchanged
Aquatic Capital Management LLC10,371$982.7K0.03%+9,755+1,583.6%Added
Dynamic Technology Lab Private Ltd10,185$965.0K0.14%+10,185New
Amundi10,638$940.9K0.00%−2,380−18.3%Reduced
Walleye Capital LLC9,451$895.5K0.01%+9,451New
Yousif Capital Management, LLC9,234$874.9K0.01%−236−2.5%Reduced
EntryPoint Capital, LLC8,932$846.3K0.39%+5,314+146.9%Added
Schonfeld Strategic Advisors LLC8,460$801.6K0.01%+4,720+126.2%Added
Comerica Bank8,429$798.7K0.00%−208−2.4%Reduced
STRS Ohio8,400$795.9K0.00%00.0%Unchanged
James Investment Research Inc8,334$789.6K0.10%00.0%Unchanged
Virtu Financial LLC8,297$786.0K0.04%+8,297New
Teachers Retirement System of the State of Kentucky7,854$744.0K0.01%00.0%Unchanged
Holocene Advisors, LP7,728$732.2K0.00%+7,728New
New York State Common Retirement Fund7,711$730.6K0.00%00.0%Unchanged
Jump Financial, LLC7,451$706.0K0.01%+693+10.3%Added
HSBC Holdings PLC7,398$700.2K0.00%+208+2.9%Added
Centiva Capital, LP7,320$693.6K0.04%+7,320New
Maryland State Retirement & Pension System7,276$689.4K0.02%−1,083−13.0%Reduced
Magnetar Financial LLC7,181$680.4K0.01%+7,181New
Arizona State Retirement System7,143$676.8K0.00%−80−1.1%Reduced
Amalgamated Bank7,114$674.0K0.01%−203−2.8%Reduced
State Board of Administration of Florida Retirement System6,756$640.1K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)6,649$630.0K0.00%00.0%Unchanged
Keybank National Association6,616$626.9K0.00%+1,187+21.9%Added
Teacher Retirement System of Texas6,201$587.5K0.00%−50,780−89.1%Reduced
Caxton Associates LLP6,182$585.7K0.02%+6,182New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys5,969$565.6K0.00%+644+12.1%Added
ProShare Advisors LLC5,871$556.3K0.00%−1,641−21.8%Reduced
Oregon Public Employees Retirement Fund5,731$543.0K0.01%−169−2.9%Reduced
Gotham Asset Management, LLC5,617$532.2K0.00%−67−1.2%Reduced
Scientech Research LLC5,612$531.7K0.14%+5,612New
CIBC World Markets Corp5,532$524.2K0.00%+3,200+137.2%Added
Hancock Whitney Corp5,435$515.0K0.02%+347+6.8%Added
BNP Paribas Arbitrage, SA5,429$514.4K0.00%+1,189+28.0%Added
Police & Firemen's Retirement System of New Jersey5,308$502.9K0.01%00.0%Unchanged
Creative Planning5,307$502.8K0.00%+560+11.8%Added
Bell & Brown Wealth Advisors, LLC5,216$494.2K0.19%00.0%Unchanged
US Bancorp5,082$481.5K0.00%+207+4.2%Added
Bank of Montreal5,021$475.7K0.00%−1,472−22.7%Reduced
KLP Kapitalforvaltning AS5,000$473.8K0.00%00.0%Unchanged
Russell Investments Group, Ltd.4,995$473.3K0.00%+753+17.8%Added
Petrus Trust Company, LTA4,839$458.5K0.04%+4,839New
HGK Asset Management Inc4,823$457.0K0.09%−100−2.0%Reduced
Legacy Wealth Asset Management, LLC4,750$450.1K0.12%−660−12.2%Reduced
Guggenheim Capital LLC4,643$439.9K0.00%+1,914+70.1%Added
GWM Advisors LLC4,567$432.7K0.00%+1,243+37.4%Added
Bailard, Inc.4,500$426.4K0.01%+4,500New
Man Group plc4,426$419.4K0.00%+1,205+37.4%Added
Campbell & CO Investment Adviser LLC4,376$414.6K0.03%+4,376New
Inceptionr LLC4,279$405.4K0.12%+4,279New
Aigen Investment Management, LP3,859$365.6K0.06%+3,859New
Two Sigma Securities, LLC3,729$353.3K0.05%+3,729New
Pictet Asset Management Holding SA3,648$345.6K0.00%00.0%Unchanged
Allianz Asset Management GmbH3,644$345.3K0.00%−1,379−27.5%Reduced
Mutual of America Capital Management LLC3,633$344.2K0.00%−146−3.9%Reduced
CWM Advisors, LLC3,630$343.9K0.04%−9−0.2%Reduced
Aster Capital Management (DIFC) Ltd3,266$337.7K0.06%+3,266New
Mackenzie Financial Corp3,559$337.2K0.00%+580+19.5%Added
Diversified Trust Co3,510$332.6K0.01%−33−0.9%Reduced
HighTower Advisors, LLC3,392$321.4K0.00%−102−2.9%Reduced
Stifel Financial Corp3,250$307.9K0.00%−102−3.0%Reduced
Sanctuary Advisors, LLC3,056$289.6K0.00%−53−1.7%Reduced
Public Employees Retirement Association of Colorado3,018$286.0K0.00%00.0%Unchanged
Point72 (DIFC) Ltd2,999$284.2K0.03%+2,999New
Quest Partners LLC2,967$281.1K0.03%−9,689−76.6%Reduced
Ethic Inc.2,922$276.2K0.01%−868−22.9%Reduced
Acadian Asset Management LLC2,864$271.0K0.00%−3,688−56.3%Reduced
R Squared Ltd2,770$262.5K0.28%+2,770New
State of Wisconsin Investment Board2,655$251.6K0.00%+340+14.7%Added
Ameritas Investment Partners, Inc.2,608$247.1K0.01%00.0%Unchanged
SG Americas Securities, LLC2,575$244.0K0.00%−13,146−83.6%Reduced
Lido Advisors, LLC2,482$235.2K0.00%+15+0.6%Added
Grandfield & Dodd, LLC2,400$227.4K0.01%00.0%Unchanged
DRW Securities, LLC2,337$221.4K0.02%+2,337New
CI Private Wealth, LLC2,276$215.7K0.00%+9+0.4%Added
Crossmark Global Holdings, Inc.2,250$213.2K0.00%−17−0.7%Reduced
Stonegate Investment Group, LLC2,208$209.2K0.01%−9−0.4%Reduced
Baird Financial Group, Inc.2,170$205.6K0.00%+223+11.5%Added
Vestcor Inc2,141$203.0K0.01%00.0%Unchanged
The PNC Financial Services Group, Inc.1,853$175.5K0.00%−15−0.8%Reduced
Point72 Asia (Singapore) Pte. Ltd.1,829$173.3K0.05%+237+14.9%Added
Nisa Investment Advisors, LLC1,762$166.9K0.00%−326−15.6%Reduced
Smartleaf Asset Management LLC1,429$136.0K0.01%−373−20.7%Reduced
FMR LLC1,317$124.8K0.00%−734−35.8%Reduced
Shell Asset Management Co1,298$123.0K0.01%−55−4.1%Reduced