Leeward Investments, LLC - MA

Position in IOSP — Innospec Inc.

CIK 1923173 BOSTON, MA

Position in IOSP

as of Jun 30, 2026 · filed Jul 30, 2026 Compact

Position Value

$10,198,818

+$5,101,292 QoQ

Shares Held

125,308

+79.5% QoQ

Ownership

0.509%

of shares outstanding

% of Portfolio

0.47%

of 13F equity value

Holder Rank

#36

of 282 holders

Holding Since

Mar 2022

18 quarters on record

Voting authority Sole 85% Shared 0% None 15%

Basic Materials · as of Jun 30, 2026

Leeward Investments, LLC - MA holds $72,730,706 across 5 Specialty Chemicals names. IOSP ranks #4 (14.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AXTA	Axalta Coating Systems Ltd.	711,408	$24,344,381
2	CBT	Cabot Corp	220,156	$19,994,567
3	NGVT	Ingevity Corp	162,534	$12,136,413
4	IOSP	Innospec Inc. This page	125,308	$10,198,818
5	IFF	International Flavors & Fragrances Inc	76,452	$6,056,527

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$10,198,818	125,308	+79.5%	Shares	Sole	2026-07-30
2026-03-31	$5,097,526	69,810	-2.6%	Shares	Sole	2026-04-17
2025-12-31	$5,486,922	71,687	-0.6%	Shares	Sole	2026-02-05
2025-09-30	$5,565,087	72,124	-2.2%	Shares	Sole	2025-11-07
2025-06-30	$6,200,292	73,734	-3.5%	Shares	Sole	2025-07-31
2025-03-31	$7,242,595	76,439	-4.5%	Shares	Sole	2025-04-29
2024-12-31	$8,808,101	80,030	-6.9%	Shares	Sole	2025-02-04
2024-09-30	$9,726,192	86,004	+22.4%	Shares	Sole	2024-10-31
2024-06-30	$8,682,691	70,254	+5.6%	Shares	Sole	2024-07-19
2024-03-31	$8,580,699	66,548	-4.1%	Shares	Sole	2024-04-19
2023-12-31	$8,553,841	69,408	-0.8%	Shares	Sole	2024-02-02
2023-09-30	$7,148,276	69,944	-7.1%	Shares	Sole	2023-10-11
2023-06-30	$7,565,341	75,322	-2.6%	Shares	Sole	2023-07-27
2023-03-31	$7,941,113	77,346	-4.7%	Shares	Sole	2023-04-20
2022-12-31	$8,349,146	81,170	-19.4%	Shares	Sole	2023-02-02
2022-09-30	$8,632,623	100,766	-2.0%	Shares	Sole	2022-10-24
2022-06-30	$9,847,690	102,805	-2.8%	Shares	Sole	2022-07-19
2022-03-31	$9,786,977	105,748	—	Shares	Sole	2022-05-09
No filing history on record for this holder in this stock.