PANAGORA ASSET MANAGEMENT INC

Position in IOSP — Innospec Inc.

CIK 883677 Boston, MA

Position in IOSP

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$8,738,668

+$2,454,888 QoQ

Shares Held

119,675

+45.8% QoQ

Ownership

0.486%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 8.058491748485482.ToString("F0")% Shared 0.ToString("F0")% None 91.94150825151452.ToString("F0")%

Basic Materials · as of Mar 31, 2026

PANAGORA ASSET MANAGEMENT INC holds $313,174,737 across 18 Specialty Chemicals names. IOSP ranks #4 (2.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DD	DuPont de Nemours, Inc.	1,843,258	$253,263,649
2	MTX	Minerals Technologies Inc	197,596	$14,013,508
3	AVNT	Avient Corp	344,991	$12,523,173
4	IOSP	Innospec Inc. This page	119,675	$8,738,668
5	APD	Air Products & Chemicals, Inc.	16,025	$4,655,102
6	NGVT	Ingevity Corp	64,583	$4,600,247
7	PRM	Perimeter Solutions, Inc.	168,414	$4,112,669
8	ECL	Ecolab Inc.	13,147	$3,497,364

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,738,668	119,675	+45.8%	Shares	Sole	2026-05-14
2025-12-31	$6,283,780	82,098	+3.3%	Shares	Sole	2026-02-13
2025-09-30	$6,131,056	79,459	+0.4%	Shares	Sole	2025-11-13
2025-06-30	$6,656,396	79,158	+0.1%	Shares	Sole	2025-08-13
2025-03-31	$7,494,535	79,098	+0.0%	Shares	Sole	2025-05-15
2024-12-31	$8,702,664	79,072	+1.1%	Shares	Sole	2025-02-13
2024-09-30	$8,848,840	78,246	+1.1%	Shares	Sole	2024-11-13
2024-06-30	$9,564,506	77,389	+60.1%	Shares	Sole	2024-07-29
2024-03-31	$6,233,475	48,344	-1.6%	Shares	Sole	2024-05-07
2023-12-31	$6,052,686	49,113	+26.1%	Shares	Sole	2024-02-08
2023-09-30	$3,981,405	38,957	+0.2%	Shares	Sole	2023-10-31
2023-06-30	$3,906,412	38,893	+332.3%	Shares	Sole	2023-08-11
2023-03-31	$923,619	8,996	0.0%	Shares	Sole	2023-05-12
2022-12-31	$925,328	8,996	-15.5%	Shares	Sole	2023-02-13
2022-09-30	$912,556	10,652	-22.2%	Shares	Sole	2022-11-14
2022-06-30	$1,312,035	13,697	+48.2%	Shares	Sole	2022-08-15
2022-03-31	$855,347	9,242	-15.9%	Shares	Sole	2022-05-12
2021-12-31	$992,294	10,984	0.0%	Shares	Sole	2022-02-10
2021-09-30	$925,072	10,984	0.0%	Shares	Sole	2021-11-10
2021-06-30	$995,260	10,984	-14.6%	Shares	Sole	2021-08-11
2021-03-31	$1,320,798	12,862	0.0%	Shares	Sole	2021-05-12
2020-12-31	$1,166,969	12,862	-6.4%	Shares	Sole	2021-02-10
2020-09-30	$869,890	13,738	-37.4%	Shares	Sole	2020-11-13
2020-06-30	$1,695,328	21,946	+15.1%	Shares	Sole	2020-08-12
2020-03-31	$1,324,896	19,066	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.