D. E. Shaw & Co., Inc.

Position in IOSP — Innospec Inc.

CIK 1009207 New York, NY

Back to IOSP Full portfolio

Position in IOSP

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$13,490,066

-$7,451,631 QoQ

Shares Held

165,746

-42.2% QoQ

Ownership

0.673%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#27

of 282 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 99% Shared 0% None 1%

Common Shares in IOSP Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $1,683,552,826 across 37 Specialty Chemicals names. IOSP ranks #14 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SHW	Sherwin Williams Co	2,100,884	$723,376,378
2	AXTA	Axalta Coating Systems Ltd.	6,547,107	$224,042,001
3	APD	Air Products & Chemicals, Inc.	581,019	$170,343,149
4	LIN	Linde PLC	292,884	$151,989,222
5	SQM	Chemical & Mining Co Of Chile Inc	908,075	$67,233,872
6	CC	Chemours Co	2,870,039	$58,893,199
7	LYB	LyondellBasell Industries N.V.	990,499	$52,149,771
8	SOLS	Solstice Advanced Materials Inc.	534,836	$47,386,469

All Filings in IOSP

Export CSV

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,490,066	165,746	-42.2%	Shares	Defined	2026-08-14
2026-03-31	$20,941,697	286,794	-7.5%	Shares	Defined	2026-05-15
2025-12-31	$23,721,812	309,927	+13.2%	Shares	Defined	2026-02-17
2025-09-30	$21,134,509	273,905	+59.5%	Shares	Defined	2025-11-14
2025-06-30	$14,441,447	171,738	+73.3%	Shares	Defined	2025-08-14
2025-03-31	$9,387,451	99,076	+160.5%	Shares	Defined	2025-05-15
2024-12-31	$4,185,801	38,032	+188.8%	Shares	Defined	2025-02-14
2024-09-30	$1,489,282	13,169	+82.3%	Shares	Defined	2024-11-14
2024-06-30	$892,690	7,223	-9.5%	Shares	Defined	2024-08-14
2024-03-31	$1,028,554	7,977	-20.3%	Shares	Defined	2024-05-15
2023-12-31	$1,233,385	10,008	-47.4%	Shares	Defined	2024-02-14
2023-09-30	$1,944,866	19,030	-14.8%	Shares	Defined	2023-11-14
2023-06-30	$2,242,925	22,331	+42.3%	Shares	Defined	2023-08-14
2023-03-31	$1,611,302	15,694	-12.7%	Shares	Defined	2023-05-15
2022-12-31	$1,849,834	17,984	+26.9%	Shares	Defined	2023-02-14
2022-09-30	$1,214,029	14,171	+104.0%	Shares	Defined	2022-11-14
2022-06-30	$665,548	6,948	-76.8%	Shares	Defined	2022-08-15
2022-03-31	$2,776,592	30,001	-51.6%	Shares	Defined	2022-05-16
2021-12-31	$5,598,550	61,972	-11.5%	Shares	Defined	2022-02-14
2021-09-30	$5,900,200	70,057	+110.5%	Shares	Defined	2021-11-15
2021-06-30	$3,015,410	33,279	+408.3%	Shares	Defined	2021-08-16
2021-03-31	$672,311	6,547	-63.8%	Shares	Defined	2021-05-17
2020-12-31	$1,642,484	18,103	-44.7%	Shares	Defined	2021-02-16
2020-09-30	$2,071,323	32,712	+86.8%	Shares	Defined	2020-11-16
2020-06-30	$1,353,111	17,516	-1.0%	Shares	Defined	2020-08-14
2020-03-31	$1,229,764	17,697	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.