GROUP ONE TRADING LLC

Position in ACTG — Acacia Research Corp

CIK 932540 CHICAGO, IL

Position in ACTG

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

Position Value

$118,455

+$110,699 QoQ

Shares Held

24,627

+1087.4% QoQ

Ownership

0.025%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

20 quarters on record

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

Industrials · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $118,455 across 1 Business Equipment & Supplies name. ACTG ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	ACTG	Acacia Research Corp This page	24,627	$118,455

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$118,455	24,627	+1087.4%	Shares	Sole	2026-05-13
2025-12-31	$7,756	2,074	-49.4%	Shares	Sole	2026-02-12
2025-09-30	$13,321	4,099	+32.0%	Shares	Sole	2025-11-12
2025-03-31	$9,939	3,106	-33.1%	Shares	Sole	2025-05-14
2024-09-30	$21,650	4,646	-58.7%	Shares	Sole	2024-11-14
2024-06-30	$56,297	11,237	+147.7%	Shares	Sole	2024-08-14
2024-03-31	$24,182	4,537	-33.6%	Shares	Sole	2024-05-10
2023-12-31	$26,801	6,837	-2.6%	Shares	Sole	2024-02-14
2023-09-30	$25,619	7,019	+136.6%	Shares	Sole	2023-11-09
2022-12-31	$12,491	2,967	-97.1%	Shares	Sole	2023-02-09
2022-06-30	$524,341	104,036	-9.3%	Shares	Sole	2022-08-11
2022-03-31	$517,283	114,697	-33.4%	Shares	Sole	2022-05-12
2021-12-31	$883,575	172,237	+142.7%	Shares	Sole	2022-02-11
2021-09-30	$481,940	70,978	+67.8%	Shares	Sole	2021-11-12
2021-06-30	$285,920	42,296	-57.3%	Shares	Sole	2021-08-10
2021-03-31	$658,084	98,960	+4791.7%	Shares	Sole	2021-05-12
2020-12-31	$7,970	2,023	-91.2%	Shares	Sole	2021-02-10
2020-09-30	$79,882	23,021	-51.9%	Shares	Sole	2020-11-12
2020-06-30	$195,927	47,904	-6.5%	Shares	Sole	2020-08-13
2020-03-31	$113,695	51,214	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.