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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
Maryland State Retirement & Pension System9,973$1.02M0.02%−221−2.2%Reduced
STRS Ohio9,800$1.01M0.00%−200−2.0%Reduced
Manufacturers Life Insurance Company, The9,776$1.00M0.00%+42+0.4%Added
Amundi9,782$1.00M0.00%+5,733+141.6%Added
Ergoteles LLC9,699$995.8K0.04%+7,234+293.5%Added
James Investment Research Inc9,512$977.0K0.13%+44+0.5%Added
Aviva PLC9,250$949.7K0.00%+9,250New
Ensign Peak Advisors, Inc9,072$931.4K0.00%+1,050+13.1%Added
Panagora Asset Management Inc8,996$923.6K0.01%00.0%Unchanged
ExodusPoint Capital Management, LP8,946$918.0K0.01%+599+7.2%Added
First Hawaiian Bank8,570$879.9K0.03%−23−0.3%Reduced
Diversified Trust Co8,511$873.8K0.03%+1,966+30.0%Added
Envestnet Asset Management Inc8,380$860.4K0.00%+645+8.3%Added
Oregon Public Employees Retirement Fund7,995$820.8K0.01%−249−3.0%Reduced
Allianz Asset Management GmbH7,975$818.8K0.00%+7,975New
Hillsdale Investment Management Inc.7,900$811.1K0.07%00.0%Unchanged
American Century Companies Inc7,955$803.1K0.00%+1,257+18.8%Added
Teachers Retirement System of the State of Kentucky7,420$762.0K0.01%00.0%Unchanged
XTX Topco Ltd7,350$754.6K0.16%+3,267+80.0%Added
Gsa Capital Partners LLP7,282$748.0K0.07%+119+1.7%Added
Bank of Montreal7,170$736.9K0.00%+708+11.0%Added
Arizona State Retirement System7,175$736.7K0.01%+180+2.6%Added
HSBC Holdings PLC7,101$725.3K0.00%+1,097+18.3%Added
Balyasny Asset Management LLC6,571$674.6K0.00%+1,100+20.1%Added
Dynamic Technology Lab Private Ltd6,570$674.0K0.06%+860+15.1%Added
HGK Asset Management Inc6,423$659.0K0.20%−138−2.1%Reduced
Jane Street Group, LLC6,399$657.0K0.00%−3,941−38.1%Reduced
Engineers Gate Manager LP6,269$643.6K0.03%+3,033+93.7%Added
Voloridge Investment Management, LLC5,756$591.0K0.00%−21,344−78.8%Reduced
Keybank National Association5,660$581.1K0.00%−410−6.8%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC5,600$575.0K0.00%−5,100−47.7%Reduced
Tower Research Capital LLC (TRC)5,243$538.0K0.02%+5,203+13,007.5%Added
Bell & Brown Wealth Advisors, LLC5,216$535.5K0.29%00.0%Unchanged
Los Angeles Capital Management LLC5,124$526.1K0.00%−723−12.4%Reduced
New York Life Investment Management LLC4,643$476.7K0.01%−1,488−24.3%Reduced
Public Employees Retirement Association of Colorado4,482$460.0K0.00%−329−6.8%Reduced
Everence Capital Management Inc4,330$445.0K0.04%00.0%Unchanged
LPL Financial LLC4,107$421.7K0.00%+251+6.5%Added
Axq Capital, LP3,879$398.3K0.16%+3,879New
Point72 Middle East FZE3,699$379.8K0.02%+3,144+566.5%Added
Gotham Asset Management, LLC3,667$376.5K0.01%+3,667New
ProShare Advisors LLC3,590$368.6K0.00%−319−8.2%Reduced
Hancock Whitney Corp3,562$366.0K0.01%−138−3.7%Reduced
Y-Intercept (Hong Kong) Ltd3,563$365.8K0.04%+743+26.3%Added
O'Shaughnessy Asset Management, LLC3,386$347.6K0.01%+139+4.3%Added
Citadel Advisors LLC3,351$344.0K0.00%−24,575−88.0%Reduced
Pictet Asset Management SA3,262$334.9K0.00%00.0%Unchanged
Nebula Research & Development LLC3,120$320.3K0.57%+3,120New
State of Wisconsin Investment Board3,118$320.1K0.00%+29+0.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)2,978$305.8K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,967$304.8K0.00%+85+2.9%Added
Centiva Capital, LP2,938$301.6K0.02%+2,938New
Mackenzie Financial Corp2,786$286.0K0.00%+431+18.3%Added
Greenleaf Trust2,722$279.5K0.00%+105+4.0%Added
Squarepoint Ops LLC2,671$274.2K0.00%+148+5.9%Added
CWM Advisors, LLC2,661$273.2K0.03%+367+16.0%Added
Contravisory Investment Management, Inc.2,653$272.4K0.08%+177+7.1%Added
Dakota Wealth Management2,602$267.1K0.02%+169+6.9%Added
Stifel Financial Corp2,583$265.2K0.00%+69+2.7%Added
Prelude Capital Management, LLC2,574$264.3K0.02%+591+29.8%Added
Grandfield & Dodd, LLC2,400$246.4K0.02%00.0%Unchanged
Crossmark Global Holdings, Inc.2,385$245.0K0.01%+275+13.0%Added
Raymond James Trust N.A.2,311$237.0K0.01%+220+10.5%Added
Boston Private Wealth LLC2,168$222.6K0.00%−10−0.5%Reduced
KBC Group NV2,148$221.0K0.00%00.0%Unchanged
Tocqueville Asset Management L.P.1,990$204.3K0.00%−29,000−93.6%Reduced
Ameritas Investment Partners, Inc.1,981$203.4K0.01%00.0%Unchanged
Federation des caisses Desjardins du Quebec1,949$200.1K0.00%−4,691−70.6%Reduced
Ethic Inc.1,949$200.1K0.01%−14−0.7%Reduced
Nisa Investment Advisors, LLC1,862$191.0K0.00%−25−1.3%Reduced
Point72 Asset Management, L.P.1,799$184.7K0.00%+1,799New
The PNC Financial Services Group, Inc.1,644$168.8K0.00%+29+1.8%Added
Skandinaviska Enskilda Banken AB (publ)1,500$154.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co1,314$134.9K0.01%−217−14.2%Reduced
Lazard Asset Management LLC1,234$126.0K0.00%+71+6.1%Added
Aquatic Capital Management LLC1,200$123.0K0.01%−8,200−87.2%Reduced
US Bancorp1,136$116.6K0.00%−437−27.8%Reduced
Ellevest, Inc.1,013$104.0K0.01%00.0%Unchanged
Signaturefd, LLC922$94.7K0.00%−51−5.2%Reduced
Toth Financial Advisory Corp915$93.9K0.01%00.0%Unchanged
HM Payson & Co909$93.3K0.00%00.0%Unchanged
PEAK6 Investments LLC820$84.2K0.01%+820New
GWM Advisors LLC685$70.3K0.00%−286−29.5%Reduced
Quadrant Capital Group LLC510$52.4K0.01%−72−12.4%Reduced
Covestor Ltd458$47.0K0.04%+76+19.9%Added
Allworth Financial LP400$41.1K0.00%00.0%Unchanged
Pinebridge Investments, L.P.384$39.4K0.00%00.0%Unchanged
Global Retirement Partners, LLC305$30.1K0.00%+55+22.0%Added
West Paces Advisors Inc.290$29.8K0.01%+290New
Belpointe Asset Management LLC274$28.1K0.00%+190+226.2%Added
State of Wyoming270$27.7K0.01%+270New
Parallel Advisors, LLC259$26.6K0.00%−60−18.8%Reduced
Advisory Services Network, LLC217$22.3K0.00%−275−55.9%Reduced
CWM, LLC216$22.0K0.00%−78−26.5%Reduced
Lindbrook Capital, LLC133$13.7K0.00%00.0%Unchanged
Manchester Capital Management LLC102$10.5K0.00%00.0%Unchanged
Parkside Financial Bank & Trust81$8.32K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.54$5.54K0.00%00.0%Unchanged
Versant Capital Management, Inc54$5.47K0.00%−113−67.7%Reduced
First Horizon Advisors, Inc.53$5.44K0.00%00.0%Unchanged