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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.

Q1 2025 vs. Q4 2024

How the institutions holding Innospec Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of IOSP: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders2622272+12
Shares24.2M471.3K24.5M+760.3K (+3.2%)
Value$2.66B$51.9M$2.29B−$314.1M (−12.0%)

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (44)

Institutions that held Innospec Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to IOSP in Q1 2025
InstitutionSharesValue% of portfolio
Nuveen, LLC453,465$43.0M0.01%
Brown Advisory Inc329,415$31.2M0.04%
Financial Harvest, LLC433,843$12.6M12.79%
Balyasny Asset Management LLC36,001$3.41M0.01%
CBOE Vest Financial, LLC20,379$1.93M0.03%
HRT Financial LP19,193$1.82M0.01%
Quantbot Technologies LP15,996$1.52M0.05%
Tudor Investment Corp Et Al13,315$1.26M0.01%
XTX Topco Ltd12,545$1.19M0.06%
ExodusPoint Capital Management, LP10,963$1.04M0.01%
Dynamic Technology Lab Private Ltd10,185$965.0K0.14%
Walleye Capital LLC9,451$895.5K0.01%
Virtu Financial LLC8,297$786.0K0.04%
Holocene Advisors, LP7,728$732.2K0.00%
Centiva Capital, LP7,320$693.6K0.04%
Magnetar Financial LLC7,181$680.4K0.01%
Caxton Associates LLP6,182$585.7K0.02%
Scientech Research LLC5,612$531.7K0.14%
Petrus Trust Company, LTA4,839$458.5K0.04%
Bailard, Inc.4,500$426.4K0.01%
Campbell & CO Investment Adviser LLC4,376$414.6K0.03%
Inceptionr LLC4,279$405.4K0.12%
Aigen Investment Management, LP3,859$365.6K0.06%
Two Sigma Securities, LLC3,729$353.3K0.05%
Aster Capital Management (DIFC) Ltd3,266$337.7K0.06%
Point72 (DIFC) Ltd2,999$284.2K0.03%
R Squared Ltd2,770$262.5K0.28%
DRW Securities, LLC2,337$221.4K0.02%
Caitong International Asset Management Co., Ltd1,282$121.5K0.09%
TSFG, LLC370$35.0K0.01%
Coldstream Capital Management Inc198$18.8K0.00%
Northwestern Mutual Wealth Management Co192$18.2K0.00%
Rise Advisors, LLC103$9.76K0.00%
Macquarie Group Ltd97$9.19K0.00%
Optiver Holding B.V.79$7.49K0.00%
Harbor Capital Advisors, Inc.72$7.00K0.00%
Private Wealth Asset Management, LLC63$5.97K0.00%
Kestra Investment Management, LLC19$1.80K0.00%
Bare Financial Services, Inc18$1.71K0.00%
CVA Family Office, LLC5$4740.00%
Stephens Consulting, LLC5$4740.00%
Huntington National Bank3$2840.00%
Skopos Labs, Inc.2$1900.00%
HFM Investment Advisors, LLC1$950.00%

Sold out (32)

Institutions that held Innospec Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of IOSP in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Pacer Advisors, Inc.485,706$53.5M
Telemark Asset Management, LLC140,000$15.4M
Weiss Asset Management LP69,735$7.68M
Jefferies Financial Group Inc.26,629$2.93M
Assenagon Asset Management S.A.24,835$2.73M
Oppenheimer Asset Management Inc.18,396$2.02M
Canada Pension Plan Investment Board8,500$935.5K
Inspire Advisors, LLC6,704$737.9K
First Hawaiian Bank6,433$708.0K
Aviva PLC5,181$570.2K
Gsa Capital Partners LLP4,989$549.0K
Ballentine Partners, LLC2,968$326.6K
Dark Forest Capital Management LP2,631$289.6K
Evergreen Capital Management LLC2,482$273.2K
Bokf, NA2,524$265.6K
Quantinno Capital Management LP2,153$237.0K
Fieldview Capital Management, LLC2,149$236.5K
O'Shaughnessy Asset Management, LLC2,062$226.9K
Claro Advisors LLC2,000$220.1K
Tocqueville Asset Management L.P.1,990$219.0K
Wolverine Trading, LLC1,962$215.8K
Commonwealth Equity Services, LLC1,940$214.0K
Everence Capital Management Inc1,890$208.0K
Polymer Capital Management (US) LLC1,824$200.7K
Lazard Asset Management LLC646$71.0K
West Paces Advisors Inc.150$16.5K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC47$5.17K
LGT Financial Advisors LLC42$4.62K
Venturi Wealth Management, LLC38$4.18K
NewSquare Capital LLC15$1.65K
Cornerstone Planning Group LLC4$459
WealthTrak Capital Management LLC1$111

Not filed for Q1 2025 yet (2)

Institutions that held Innospec Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IOSP in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC471,104$51.8M
Global Retirement Partners, LLC210$23.1K