GSA CAPITAL PARTNERS LLP

Position in IOSP — Innospec Inc.

CIK 1362033 LONDON, X0

Position in IOSP

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$1,161,516

-$379,206 QoQ

Shares Held

14,271

-32.4% QoQ

Ownership

0.058%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#107

of 282 holders

Holding Since

Sep 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

GSA CAPITAL PARTNERS LLP holds $15,723,371 across 22 Specialty Chemicals names. IOSP ranks #4 (7.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SHW	Sherwin Williams Co	7,216	$2,484,613
2	OEC	Orion S.A.	209,368	$1,388,109
3	ALTO	Alto Ingredients, Inc.	232,071	$1,322,804
4	IOSP	Innospec Inc. This page	14,271	$1,161,516
5	SCL	Stepan Co	19,292	$1,074,950
6	FF	FutureFuel Corp.	227,599	$1,028,747
7	RPM	Rpm International Inc/De/	8,007	$889,978
8	SXT	Sensient Technologies Corp	6,826	$841,577

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,161,516	14,271	-32.4%	Shares	Sole	2026-08-06
2026-03-31	$1,540,722	21,100	+21.1%	Shares	Sole	2026-05-08
2025-12-31	$1,333,479	17,422	-38.4%	Shares	Sole	2026-02-06
2025-09-30	$2,181,621	28,274	+46.5%	Shares	Sole	2025-11-07
2025-06-30	$1,622,937	19,300	+286.9%	Shares	Sole	2025-07-22
2024-12-31	$549,089	4,989	-58.4%	Shares	Sole	2025-02-07
2024-06-30	$1,481,226	11,985	-14.8%	Shares	Sole	2024-08-15
2024-03-31	$1,814,314	14,071	-16.1%	Shares	Sole	2024-05-03
2023-12-31	$2,066,365	16,767	-13.4%	Shares	Sole	2024-02-16
2023-09-30	$1,977,672	19,351	+165.7%	Shares	Sole	2023-11-15
2023-03-31	$747,642	7,282	+1.7%	Shares	Sole	2023-05-12
2022-12-31	$736,786	7,163	-1.6%	Shares	Sole	2023-02-13
2022-09-30	$623,763	7,281	+82.6%	Shares	Sole	2022-11-14
2021-09-30	$335,785	3,987	—	Shares	Sole	2021-11-12
No filing history on record for this holder in this stock.