GROUP ONE TRADING LLC

Position in CLW — Clearwater Paper Corp

CIK 932540 CHICAGO, IL

Position in CLW

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$51,365

-$132,309 QoQ

Shares Held

3,572

-66.2% QoQ

Ownership

0.022%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

18 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $51,395 across 2 Paper & Paper Products names. CLW ranks #1 (99.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	CLW	Clearwater Paper Corp This page	3,572	$51,365
2	ITP	It Tech Packaging, Inc.	172	$30

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$51,365	3,572	-66.2%	Shares	Sole	2026-05-13
2025-12-31	$183,674	10,556	-22.5%	Shares	Sole	2026-02-12
2025-09-30	$282,751	13,620	+815.9%	Shares	Sole	2025-11-12
2025-06-30	$40,505	1,487	-96.7%	Shares	Sole	2025-08-14
2025-03-31	$1,131,146	44,586	+63.2%	Shares	Sole	2025-05-14
2024-12-31	$813,197	27,316	+1490.0%	Shares	Sole	2025-05-14
2024-09-30	$49,031	1,718	+1093.1%	Shares	Sole	2024-11-14
2024-06-30	$6,979	144	-97.7%	Shares	Sole	2024-08-14
2023-09-30	$228,810	6,312	+1462.4%	Shares	Sole	2023-11-09
2023-06-30	$12,653	404	-78.5%	Shares	Sole	2023-08-09
2022-12-31	$70,893	1,875	-81.3%	Shares	Sole	2023-02-09
2022-03-31	$280,832	10,019	-86.5%	Shares	Sole	2022-05-12
2021-12-31	$2,713,836	74,007	+224.0%	Shares	Sole	2022-02-11
2021-09-30	$875,495	22,841	+1297.0%	Shares	Sole	2021-11-12
2021-06-30	$47,365	1,635	-97.7%	Shares	Sole	2021-08-10
2020-09-30	$2,646,315	69,750	+726.6%	Shares	Sole	2020-11-12
2020-06-30	$304,864	8,438	-48.0%	Shares	Sole	2020-08-13
2020-03-31	$354,128	16,237	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.