ELKHORN PARTNERS LIMITED PARTNERSHIP

Position in ACTG — Acacia Research Corp

CIK 928400 OMAHA, NE

Position in ACTG

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

Position Value

$120,250

-$8,780 QoQ

Shares Held

25,000

-27.5% QoQ

Ownership

0.026%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Industrials · as of Mar 31, 2026

ELKHORN PARTNERS LIMITED PARTNERSHIP holds $120,250 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	25,000	$120,250

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$120,250	25,000	-27.5%	Shares	Sole	2026-05-14
2025-12-31	$129,030	34,500	-2.8%	Shares	Sole	2026-02-17
2025-09-30	$115,375	35,500	+2.9%	Shares	Sole	2025-11-13
2025-06-30	$123,510	34,500	+1.5%	Shares	Sole	2025-08-14
2025-03-31	$108,800	34,000	+21.4%	Shares	Sole	2025-05-14
2024-12-31	$121,520	28,000	-3.4%	Shares	Sole	2025-02-13
2024-09-30	$135,140	29,000	+11.5%	Shares	Sole	2024-11-13
2024-06-30	$130,260	26,000	-5.5%	Shares	Sole	2024-08-12
2024-03-31	$146,575	27,500	-14.3%	Shares	Sole	2024-05-16
2023-12-31	$125,832	32,100	0.0%	Shares	Sole	2024-02-13
2023-09-30	$117,165	32,100	-0.6%	Shares	Sole	2023-11-13
2023-06-30	$134,368	32,300	+7.7%	Shares	Sole	2023-08-14
2023-03-31	$115,800	30,000	+20.0%	Shares	Sole	2023-05-12
2022-12-31	$105,250	25,000	+4.2%	Shares	Sole	2023-02-14
2022-09-30	$96,960	24,000	+6.7%	Shares	Sole	2022-11-14
2022-06-30	$113,400	22,500	-27.4%	Shares	Sole	2022-08-12
2022-03-31	$139,810	31,000	+7.6%	Shares	Sole	2022-05-10
2021-12-31	$147,744	28,800	+34.6%	Shares	Sole	2022-02-14
2021-09-30	$145,306	21,400	+7.0%	Shares	Sole	2021-11-12
2021-06-30	$135,200	20,000	+33.3%	Shares	Sole	2021-08-13
2021-03-31	$99,750	15,000	-76.9%	Shares	Sole	2021-05-11
2020-12-31	$256,100	65,000	-29.3%	Shares	Sole	2021-02-12
2020-09-30	$318,893	91,900	-7.2%	Shares	Sole	2020-11-16
2020-06-30	$404,910	99,000	-23.3%	Shares	Sole	2020-08-13
2020-03-31	$286,380	129,000	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.