Innospec Inc.

IOSP

Exchange: Nasdaq
Industry: Chemicals & Allied Products
SEC CIK: 0001054905

SEC filings (opens in a new tab)

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.

Q3 2023 vs. Q2 2023

How the institutions holding Innospec Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023 All holders in Q2 2023

13F holders of IOSP: Q2 2023 compared with Q3 2023
Measure	Q2 2023	Of which not filed for Q3 2023	Q3 2023	Change
Holders	205	2	212	+9
Shares	23.8M	7.99K	23.8M	+47.5K (+0.2%)
Value	$2.39B	$802.1K	$2.44B	+$47.1M (+2.0%)

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Innospec Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to IOSP in Q3 2023
Institution	Shares	Value	% of portfolio
Hotchkis & Wiley Capital Management LLC	81,900	$8.37M	0.03%
SG Americas Securities, LLC	19,772	$2.02M	0.03%
Gsa Capital Partners LLP	19,351	$1.98M	0.17%
ExodusPoint Capital Management, LP	14,986	$1.53M	0.02%
Illinois Municipal Retirement Fund	14,577	$1.49M	0.03%
Assenagon Asset Management S.A.	11,815	$1.21M	0.00%
Comerica Bank	11,600	$1.19M	0.01%
AMG National Trust Bank	8,874	$906.9K	0.03%
Inspire Advisors, LLC	6,627	$677.2K	0.12%
Point72 Middle East FZE	3,208	$327.9K	0.02%
Pictet Asset Management Holding SA	2,770	$283.1K	0.00%
State of Wisconsin Investment Board	2,708	$276.8K	0.00%
Advisor Partners II, LLC	2,707	$276.7K	0.01%
AlphaMark Advisors, LLC	2,517	$257.0K	0.11%
Baird Financial Group, Inc.	2,501	$255.6K	0.00%
Oak Thistle LLC	2,237	$228.6K	0.07%
Citadel Advisors LLC	2,005	$204.9K	0.00%
Tocqueville Asset Management L.P.	1,990	$203.4K	0.00%
Federated Hermes, Inc.	45	$4.60K	0.00%
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	42	$4.29K	0.00%
LGT Financial Advisors LLC	42	$4.29K	0.01%
Steward Financial Group LLC	21	$2.00K	0.00%

Sold out (13)

Institutions that held Innospec Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of IOSP in Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Renaissance Technologies LLC	30,800	$3.09M
Tudor Investment Corp Et Al	20,785	$2.09M
Ergoteles LLC	4,920	$494.2K
MQS Management LLC	3,150	$316.4K
Schroder Investment Management Group	3,083	$304.4K
Lazard Asset Management LLC	1,239	$124.0K
Pinebridge Investments, L.P.	778	$78.1K
Exchange Traded Concepts, LLC	436	$43.8K
Harbor Capital Advisors, Inc.	308	$30.9K
Massmutual Trust Co FSB	5	$502
Disciplined Investments, LLC	5	$502
Sofos Investments, Inc.	100	$134
Ronald Blue Trust, Inc.	3	$0

Not filed for Q3 2023 yet (2)

Institutions that held Innospec Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IOSP in Q2 2023 that haven't filed for Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Bell & Brown Wealth Advisors, LLC	5,216	$523.9K
Pictet Asset Management SA	2,770	$278.2K