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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
Diversified Trust Co11,154$1.37M0.05%+185+1.7%Added
Jane Street Group, LLC10,818$1.33M0.00%+7,626+238.9%Added
Teacher Retirement System of Texas10,653$1.31M0.01%−5,652−34.7%Reduced
Amalgamated Bank10,569$1.30M0.01%−247−2.3%Reduced
Tredje AP-fonden10,499$1.29M0.02%00.0%Unchanged
New York State Common Retirement Fund10,300$1.27M0.00%−647−5.9%Reduced
TD Asset Management Inc10,300$1.27M0.00%00.0%Unchanged
Balyasny Asset Management LLC10,034$1.24M0.00%+808+8.8%Added
D. E. Shaw & Co., Inc.10,008$1.23M0.00%−9,022−47.4%Reduced
Canada Pension Plan Investment Board9,813$1.21M0.00%+9,813New
Jefferies Financial Group Inc.9,552$1.18M0.02%+9,552New
James Investment Research Inc9,512$1.17M0.15%00.0%Unchanged
STRS Ohio9,500$1.17M0.00%−400−4.0%Reduced
Maryland State Retirement & Pension System9,037$1.11M0.02%−122−1.3%Reduced
Bank of Montreal8,744$1.09M0.00%+1,264+16.9%Added
Susquehanna International Group, LLP8,655$1.07M0.00%+1,102+14.6%Added
Summit Global Investments8,574$1.06M0.07%+8,574New
ExodusPoint Capital Management, LP8,301$1.02M0.01%−6,685−44.6%Reduced
Amundi8,818$1.02M0.00%−596−6.3%Reduced
Tower Research Capital LLC (TRC)8,202$1.01M0.01%+7,621+1,311.7%Added
Teachers Retirement System of the State of Kentucky7,854$968.0K0.01%00.0%Unchanged
Gotham Asset Management, LLC7,720$951.4K0.02%−2,342−23.3%Reduced
First Hawaiian Bank7,464$919.9K0.03%−1,076−12.6%Reduced
Russell Investments Group, Ltd.7,365$908.0K0.00%−2,731−27.1%Reduced
Oregon Public Employees Retirement Fund7,255$894.1K0.02%−100−1.4%Reduced
Arizona State Retirement System6,952$856.8K0.01%−129−1.8%Reduced
Inspire Advisors, LLC6,844$843.5K0.13%+217+3.3%Added
Engineers Gate Manager LP6,561$808.6K0.02%+107+1.7%Added
Aviva PLC5,498$677.6K0.00%−252−4.4%Reduced
Legacy Wealth Asset Management, LLC5,461$673.0K0.22%+41+0.8%Added
SG Americas Securities, LLC5,413$667.0K0.01%−14,359−72.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys5,366$661.3K0.00%−11,258−67.7%Reduced
Keybank National Association5,295$652.6K0.00%−710−11.8%Reduced
Bell & Brown Wealth Advisors, LLC5,216$642.8K0.30%+5,216New
LPL Financial LLC5,163$636.3K0.00%+417+8.8%Added
Two Sigma Investments, LP4,851$597.8K0.00%−17,077−77.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)4,820$594.0K0.00%+611+14.5%Added
HGK Asset Management Inc4,693$578.4K0.13%−787−14.4%Reduced
ProShare Advisors LLC4,683$577.1K0.00%+885+23.3%Added
Mutual of America Capital Management LLC4,352$536.3K0.01%−30,020−87.3%Reduced
Everence Capital Management Inc4,330$534.0K0.04%00.0%Unchanged
Campbell & CO Investment Adviser LLC4,093$504.4K0.05%+4,093New
Jump Financial, LLC4,087$503.7K0.02%+4,087New
Allianz Asset Management GmbH3,961$488.2K0.00%+5+0.1%Added
O'Shaughnessy Asset Management, LLC3,793$467.4K0.01%−153−3.9%Reduced
Public Employees Retirement Association of Colorado3,555$438.0K0.00%00.0%Unchanged
Ethic Inc.3,494$430.6K0.01%+494+16.5%Added
Hancock Whitney Corp3,425$422.1K0.02%−117−3.3%Reduced
Cubist Systematic Strategies, LLC3,406$419.7K0.01%−40,373−92.2%Reduced
Stifel Financial Corp3,363$414.4K0.00%−39−1.1%Reduced
New York Life Investment Management LLC3,362$414.3K0.00%−100−2.9%Reduced
Schonfeld Strategic Advisors LLC3,340$411.6K0.00%+3,340New
Man Group plc3,297$406.3K0.00%––
Los Angeles Capital Management LLC3,287$405.1K0.00%−110−3.2%Reduced
CWM Advisors, LLC3,129$385.6K0.04%+128+4.3%Added
Mackenzie Financial Corp3,024$372.7K0.00%00.0%Unchanged
Creative Planning2,984$367.7K0.00%+515+20.9%Added
Advisor Group Holdings, Inc.2,936$362.1K0.00%−2,228−43.1%Reduced
Pathstone Holdings, LLC2,832$349.0K0.00%+2,832New
Pictet Asset Management Holding SA2,770$341.4K0.00%00.0%Unchanged
Renaissance Technologies LLC2,600$320.0K0.00%+2,600New
Ameritas Investment Partners, Inc.2,584$318.5K0.01%+103+4.2%Added
Contravisory Investment Management, Inc.2,504$308.6K0.08%00.0%Unchanged
Raymond James Trust N.A.2,494$307.4K0.01%−75−2.9%Reduced
Quest Partners LLC2,470$304.4K0.06%+2,470New
Grandfield & Dodd, LLC2,400$295.8K0.02%00.0%Unchanged
State of Wisconsin Investment Board2,358$290.6K0.00%−350−12.9%Reduced
Baird Financial Group, Inc.2,349$289.5K0.00%−152−6.1%Reduced
HighTower Advisors, LLC2,351$288.0K0.00%+2,351New
Dakota Wealth Management2,279$280.9K0.01%−262−10.3%Reduced
CI Private Wealth, LLC2,218$273.3K0.00%+2,218New
Ballentine Partners, LLC2,186$269.4K0.01%+2,186New
Boston Private Wealth LLC2,184$269.2K0.01%+22+1.0%Added
Toroso Investments, LLC2,092$257.8K0.01%+2,092New
Evergreen Capital Management LLC2,069$255.0K0.01%−141−6.4%Reduced
Tocqueville Asset Management L.P.1,990$245.2K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,960$241.6K0.00%+100+5.4%Added
Crossmark Global Holdings, Inc.1,941$239.0K0.00%−160−7.6%Reduced
The PNC Financial Services Group, Inc.1,659$204.4K0.00%−129−7.2%Reduced
Stonegate Investment Group, LLC1,654$203.8K0.01%+1,654New
Cetera Advisor Networks LLC1,630$200.9K0.00%+1,630New
Centiva Capital, LP1,628$200.6K0.01%+1,628New
Shell Asset Management Co1,573$194.0K0.01%+1,573New
Aquatic Capital Management LLC1,500$185.0K0.00%+1,500New
Metropolitan Life Insurance Co1,437$177.1K0.01%00.0%Unchanged
Signaturefd, LLC944$116.3K0.00%−224−19.2%Reduced
HM Payson & Co909$112.0K0.00%00.0%Unchanged
GWM Advisors LLC701$86.4K0.00%−4−0.6%Reduced
KBC Group NV678$84.0K0.00%00.0%Unchanged
Smartleaf Asset Management LLC707$81.3K0.02%+707New
US Bancorp648$79.9K0.00%+64+11.0%Added
Covestor Ltd549$68.0K0.05%−2−0.4%Reduced
Parallel Advisors, LLC518$63.8K0.00%−130−20.1%Reduced
PEAK6 Investments LLC503$62.0K0.00%−1,248−71.3%Reduced
Allworth Financial LP406$50.0K0.00%+4+1.0%Added
GAMMA Investing LLC381$44.2K0.01%+381New
Point72 Asia (Singapore) Pte. Ltd.340$42.0K0.01%+340New
Quadrant Capital Group LLC315$38.8K0.00%−217−40.8%Reduced
CWM, LLC233$29.0K0.00%−57−19.7%Reduced
Global Retirement Partners, LLC220$25.5K0.00%−120−35.3%Reduced