Quantum Portfolio Management LLC

Position in KOP — Koppers Holdings Inc.

CIK 2003672 New York, NY

Position in KOP

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

Position Value

$29,140

New position

Shares Held

649

first reported quarter

Ownership

0.003%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#165

of 214 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Quantum Portfolio Management LLC holds $1,084,979 across 6 Specialty Chemicals names. KOP ranks #5 (2.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LIN	Linde PLC	947	$491,436
2	ALB	Albemarle Corp	2,750	$371,332
3	CBT	Cabot Corp	1,334	$121,153
4	OEC	Orion S.A.	6,518	$43,214
5	KOP	Koppers Holdings Inc. This page	649	$29,140
6	HWKN	Hawkins Inc	202	$28,704

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$29,140	649	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.