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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 2021

Institutional positions in Innospec Inc. as of Dec 31, 2021. 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
184
0 vs. Q3 2021
Shares held
23.7M
+282.6K (+1.2%) vs. Q3 2021
Total value
$2.14B
+$168.9M (+8.6%) vs. Q3 2021
New holders
28
65 more added
Sold out
28
61 more reduced

4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 184 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 2021: $2.14B
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 2021

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q3 2021.

Institutions holding IOSP in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
James Investment Research Inc9,436$852.0K0.08%+2,600+38.0%Added
Bank of Montreal9,192$847.0K0.00%+32+0.3%Added
State Board of Administration of Florida Retirement System9,156$827.0K0.00%−12,135−57.0%Reduced
AXA S.A.9,100$822.0K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP9,084$821.0K0.07%−172−1.9%Reduced
Los Angeles Capital Management LLC8,797$795.0K0.00%−2,669−23.3%Reduced
Federation des caisses Desjardins du Quebec8,710$787.0K0.01%−3,360−27.8%Reduced
MetLife Investment Management8,439$762.4K0.01%00.0%Unchanged
Hillsdale Investment Management Inc.8,400$759.0K0.05%−2,500−22.9%Reduced
Ensign Peak Advisors, Inc7,372$666.0K0.00%−11,880−61.7%Reduced
Teachers Retirement System of the State of Kentucky6,973$630.0K0.01%00.0%Unchanged
HGK Asset Management Inc6,967$629.0K0.19%−1,637−19.0%Reduced
Arizona State Retirement System6,632$599.0K0.00%−71−1.1%Reduced
Tudor Investment Corp Et Al6,468$584.0K0.01%−8,137−55.7%Reduced
Metropolitan Life Insurance Co6,369$575.4K0.01%−496−7.2%Reduced
ProShare Advisors LLC6,132$553.0K0.00%+2,353+62.3%Added
Russell Investments Group, Ltd.6,061$546.0K0.00%−11,069−64.6%Reduced
O'Shaughnessy Asset Management, LLC5,916$534.0K0.01%00.0%Unchanged
Citadel Advisors LLC5,869$530.0K0.00%−37,741−86.5%Reduced
Keybank National Association5,290$478.0K0.00%+5,290New
Bell & Brown Wealth Advisors, LLC5,186$477.0K0.23%+36+0.7%Added
Hellman Jordan Management Co Inc5,000$452.0K0.54%+5,000New
American Century Companies Inc4,932$446.0K0.00%+915+22.8%Added
Teacher Retirement System of Texas4,737$428.0K0.00%+773+19.5%Added
SEI Investments Co4,491$405.0K0.00%+4,491New
Millennium Management LLC4,113$372.0K0.00%−90,478−95.7%Reduced
Jane Street Group, LLC3,879$350.0K0.00%+1,261+48.2%Added
Envestnet Asset Management Inc3,811$344.0K0.00%+736+23.9%Added
Lido Advisors, LLC3,483$314.0K0.01%+3,483New
Mutual of America Capital Management LLC3,367$304.0K0.00%+81+2.5%Added
Boston Private Wealth LLC3,341$302.0K0.00%00.0%Unchanged
LPL Financial LLC3,328$301.0K0.00%+323+10.7%Added
Susquehanna International Group, LLP3,275$296.0K0.00%+3,275New
CIBC Asset Management Inc3,173$287.0K0.00%+3,173New
Zebra Capital Management LLC2,826$255.0K0.41%−1,043−27.0%Reduced
CWM Advisors, LLC2,769$250.0K0.03%−3−0.1%Reduced
Profund Advisors LLC2,748$248.0K0.01%+209+8.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)2,699$244.0K0.00%00.0%Unchanged
Engineers Gate Manager LP2,684$242.0K0.01%+2,684New
Caxton Associates LP2,659$240.0K0.03%00.0%Unchanged
KBC Group NV2,650$239.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,567$232.0K0.00%+67+2.7%Added
Grandfield & Dodd, LLC2,400$220.0K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.1,881$170.0K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC1,750$163.0K0.00%−550−23.9%Reduced
The PNC Financial Services Group, Inc.1,642$148.0K0.00%+3+0.2%Added
Macquarie Group Ltd1,108$100.0K0.00%00.0%Unchanged
HM Payson & Co909$82.0K0.00%00.0%Unchanged
First Quadrant L P751$68.0K0.01%00.0%Unchanged
Signaturefd, LLC707$64.0K0.00%+4+0.6%Added
Ellevest, Inc.709$64.0K0.01%+709New
Optiver Holding B.V.751$63.0K0.00%00.0%Unchanged
US Bancorp678$61.0K0.00%−159−19.0%Reduced
Mystic Asset Management, Inc.650$58.0K0.03%+650New
Spire Wealth Management580$52.0K0.00%+580New
Eaton Vance Management447$40.0K0.00%+12+2.8%Added
Tower Research Capital LLC (TRC)429$39.0K0.00%−1,093−71.8%Reduced
Allworth Financial LP400$36.0K0.00%+400New
Aquatic Capital Management LLC300$27.0K0.05%+300New
Captrust Financial Advisors285$26.0K0.00%+148+108.0%Added
AdvisorNet Financial, Inc200$18.0K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC166$15.0K0.00%+166New
Confluence Wealth Services, Inc.133$12.0K0.00%+133New
Rockefeller Capital Management L.P.121$11.0K0.00%−27−18.2%Reduced
Sageworth Trust Co of South Dakota111$10.0K0.02%+111New
Sutton Wealth Advisors Inc.108$9.76K0.00%+13+13.7%Added
Parkside Financial Bank & Trust81$7.00K0.00%00.0%Unchanged
Snowden Capital Advisors LLC80$7.00K0.00%+80New
CWM, LLC67$6.00K0.00%+67New
Fieldpoint Private Securities, LLC60$5.00K0.00%−5−7.7%Reduced
TCI Wealth Advisors, Inc.52$5.00K0.00%00.0%Unchanged
Parallel Advisors, LLC46$4.00K0.00%−16−25.8%Reduced
Sageworth Trust Co34$3.00K0.00%−116−77.3%Reduced
Bedel Financial Consulting, Inc.34$3.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc29$3.00K0.00%−1−3.3%Reduced
Quadrant Capital Group LLC23$2.00K0.00%00.0%Unchanged
Private Capital Group, LLC17$2.00K0.00%+1+6.3%Added
Washington Trust Co10$1.00K0.00%00.0%Unchanged
Assetmark, Inc8$1.00K0.00%00.0%Unchanged
Carroll Financial Associates, Inc.18$1.00K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC7$1.00K0.00%+7New
Signet Financial Management, LLC13$1.00K0.00%+13New
Covestor Ltd10$1.00K0.00%+10New
Schubert & Co5$00.00%+5New
Lazard Asset Management LLC0$00.00%−249,235−100.0%Sold out
Amundi0$00.00%−48,031−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−26,200−100.0%Sold out
Renaissance Technologies LLC0$00.00%−22,300−100.0%Sold out
HRT Financial LP0$00.00%−18,190−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−12,583−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−11,560−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−10,143−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−10,000−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−7,995−100.0%Sold out
Quadrature Capital Ltd0$00.00%−7,482−100.0%Sold out
Paloma Partners Management Co0$00.00%−6,865−100.0%Sold out
Zacks Investment Management0$00.00%−5,670−100.0%Sold out
Winton Group Ltd0$00.00%−4,911−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−3,987−100.0%Sold out
Gotham Asset Management, LLC0$00.00%−3,787−100.0%Sold out