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.

Q4 2023 vs. Q3 2023

How the institutions holding Innospec Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of IOSP: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	212	2	223	+13
Shares	23.8M	2.73K	24.0M	+144.8K (+0.6%)
Value	$2.44B	$278.7K	$2.96B	+$519.0M (+21.3%)

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (29)

Institutions that held Innospec Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to IOSP in Q4 2023
Institution	Shares	Value	% of portfolio
QSV Equity Investors LLC	15,305	$1.89M	1.83%
Edgestream Partners, L.P.	11,755	$1.45M	0.10%
Canada Pension Plan Investment Board	9,813	$1.21M	0.00%
Jefferies Financial Group Inc.	9,552	$1.18M	0.02%
Summit Global Investments	8,574	$1.06M	0.07%
Bell & Brown Wealth Advisors, LLC	5,216	$642.8K	0.30%
Campbell & CO Investment Adviser LLC	4,093	$504.4K	0.05%
Jump Financial, LLC	4,087	$503.7K	0.02%
Schonfeld Strategic Advisors LLC	3,340	$411.6K	0.00%
Pathstone Holdings, LLC	2,832	$349.0K	0.00%
Renaissance Technologies LLC	2,600	$320.0K	0.00%
Quest Partners LLC	2,470	$304.4K	0.06%
HighTower Advisors, LLC	2,351	$288.0K	0.00%
CI Private Wealth, LLC	2,218	$273.3K	0.00%
Ballentine Partners, LLC	2,186	$269.4K	0.01%
Toroso Investments, LLC	2,092	$257.8K	0.01%
Stonegate Investment Group, LLC	1,654	$203.8K	0.01%
Cetera Advisor Networks LLC	1,630	$200.9K	0.00%
Centiva Capital, LP	1,628	$200.6K	0.01%
Shell Asset Management Co	1,573	$194.0K	0.01%
Aquatic Capital Management LLC	1,500	$185.0K	0.00%
Smartleaf Asset Management LLC	707	$81.3K	0.02%
GAMMA Investing LLC	381	$44.2K	0.01%
Point72 Asia (Singapore) Pte. Ltd.	340	$42.0K	0.01%
Creekmur Asset Management LLC	189	$23.3K	0.01%
SYSTM Wealth Solutions LLC	159	$19.6K	0.00%
Ronald Blue Trust, Inc.	45	$5.00K	0.00%
Northwestern Mutual Wealth Management Co	20	$2.46K	0.00%
DiNuzzo Private Wealth, Inc.	4	$493	0.00%

Sold out (16)

Institutions that held Innospec Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of IOSP in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Quadrature Capital Ltd	14,553	$1.49M
HRT Financial LP	9,028	$922.0K
Trexquant Investment LP	6,439	$658.1K
Y-Intercept (Hong Kong) Ltd	6,206	$634.3K
Nebula Research & Development LLC	5,663	$578.8K
Graham Capital Management, L.P.	4,083	$417.3K
XTX Topco Ltd	3,616	$369.6K
Point72 Middle East FZE	3,208	$327.9K
AlphaMark Advisors, LLC	2,517	$257.0K
Oak Thistle LLC	2,237	$228.6K
HSBC Holdings PLC	2,046	$209.8K
Citadel Advisors LLC	2,005	$204.9K
Point72 Asset Management, L.P.	907	$92.7K
Farther Finance Advisors, LLC	35	$3.58K
Barrow Hanley Mewhinney & Strauss LLC	20	$2.04K
Baker Avenue Asset Management, LP	5	$511

Not filed for Q4 2023 yet (2)

Institutions that held Innospec Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IOSP in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Advisor Partners II, LLC	2,707	$276.7K
Steward Financial Group LLC	21	$2.00K