TWO SIGMA INVESTMENTS, LP

Position in IOSP — Innospec Inc.

CIK 1179392 NEW YORK, NY

Position in IOSP

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$43,303,707

+$31,094,506 QoQ

Shares Held

593,039

+271.8% QoQ

Ownership

2.41%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

21 quarters on record

Voting authority Sole 98.6172916115129.ToString("F0")% Shared 0.ToString("F0")% None 1.3827083884870977.ToString("F0")%

Basic Materials · as of Mar 31, 2026

TWO SIGMA INVESTMENTS, LP holds $1,550,102,304 across 41 Specialty Chemicals names. IOSP ranks #9 (2.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALB	Albemarle Corp	2,320,881	$416,667,765
2	LIN	Linde PLC	476,650	$236,304,004
3	SOLS	Solstice Advanced Materials Inc.	2,450,069	$186,597,255
4	SHW	Sherwin Williams Co	353,269	$113,240,377
5	EMN	Eastman Chemical Co	1,420,840	$108,438,508
6	BCPC	Balchem Corp	430,210	$72,911,990
7	DD	DuPont de Nemours, Inc.	523,801	$71,970,257
8	ECL	Ecolab Inc.	219,775	$58,464,545

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$43,303,707	593,039	+271.8%	Shares	Sole	2026-05-15
2025-12-31	$12,209,201	159,514	+7.6%	Shares	Sole	2026-02-17
2025-09-30	$11,435,497	148,205	+7.2%	Shares	Sole	2025-11-14
2025-06-30	$11,624,517	138,239	+76.2%	Shares	Sole	2025-08-14
2025-03-31	$7,432,758	78,446	+495.6%	Shares	Sole	2025-05-15
2024-12-31	$1,449,490	13,170	-48.5%	Shares	Sole	2025-02-14
2024-09-30	$2,894,538	25,595	-14.6%	Shares	Sole	2024-11-14
2024-06-30	$3,705,598	29,983	+324.1%	Shares	Sole	2024-08-14
2024-03-31	$911,605	7,070	+45.7%	Shares	Sole	2024-05-15
2023-12-31	$597,837	4,851	-77.9%	Shares	Sole	2024-02-14
2023-09-30	$2,241,041	21,928	-34.5%	Shares	Sole	2023-11-14
2023-06-30	$3,363,434	33,487	-22.6%	Shares	Sole	2023-08-14
2023-03-31	$4,441,093	43,256	+254.8%	Shares	Sole	2023-05-15
2022-12-31	$1,254,171	12,193	+110.3%	Shares	Sole	2023-02-14
2022-09-30	$496,714	5,798	+123.7%	Shares	Sole	2022-11-14
2022-06-30	$248,287	2,592	-85.1%	Shares	Sole	2022-08-15
2022-03-31	$1,607,871	17,373	-46.2%	Shares	Sole	2022-05-16
2021-12-31	$2,915,000	32,267	-60.8%	Shares	Sole	2022-02-14
2021-09-30	$6,925,663	82,233	+37.0%	Shares	Sole	2021-11-15
2021-06-30	$5,439,499	60,032	+493.3%	Shares	Sole	2021-08-16
2021-03-31	$1,039,120	10,119	—	Shares	Sole	2021-05-17
No filing history on record for this holder in this stock.