Ken Griffin Acacia Research Corp Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Acacia Research Corp stock. As of the latest transaction made, Citadel Advisors LLC holds 450,088 shares of ACTG stock, worth $1.59 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

450,088

Previous 594,104 24.24%

Holding current value

$1.59 Million

Previous $2.13 Million 31.84%

% of portfolio

0.0%

Previous 0.0%

28 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$3.2 - $3.97 $460,851 - $571,743	-144,016 Reduced 24.24%	450,088 $1.45 Million
Q2 2025 Aug 14, 2025	BUY	$2.84 - $3.89 $1.38 Million - $1.9 Million	487,294 Added 456.23%	594,104 $2.13 Million
Q1 2025 May 15, 2025	BUY	$3.2 - $4.44 $235,648 - $326,961	73,640 Added 222.01%	106,810 $341,000
Q4 2024 Feb 14, 2025	BUY	$4.31 - $4.79 $89,708 - $99,699	20,814 Added 168.45%	33,170 $143,000
Q3 2024 Nov 14, 2024	SELL	$4.48 - $5.62 $111,363 - $139,701	-24,858 Reduced 66.8%	12,356 $57,000

Q2 2024 Aug 14, 2024	BUY	$4.82 - $5.68 $168,083 - $198,072	34,872 Added 1488.98%	37,214 $186,000
Q1 2024 May 15, 2024	SELL	$3.73 - $5.33 $196,190 - $280,347	-52,598 Reduced 95.74%	2,342 $12,000
Q4 2023 Feb 14, 2024	BUY	$3.46 - $4.0 $110,290 - $127,504	31,876 Added 138.21%	54,940 $215,000
Q3 2023 Nov 14, 2023	SELL	$3.48 - $4.16 $156,095 - $186,596	-44,855 Reduced 66.04%	23,064 $84,000
Q2 2023 Aug 14, 2023	SELL	$3.62 - $4.61 $196,768 - $250,581	-54,356 Reduced 44.45%	67,919 $282,000
Q1 2023 May 15, 2023	SELL	$3.73 - $4.57 $186,436 - $228,422	-49,983 Reduced 29.02%	122,275 $471,000
Q4 2022 Feb 14, 2023	BUY	$3.51 - $4.26 $604,625 - $733,819	172,258 New	172,258 $725,000
Q2 2022 Aug 15, 2022	BUY	$4.24 - $5.15 $382,490 - $464,581	90,210 Added 249.05%	126,431 $637,000
Q1 2022 May 16, 2022	SELL	$3.35 - $5.34 $88,440 - $140,976	-26,400 Reduced 42.16%	36,221 $163,000
Q4 2021 Feb 14, 2022	BUY	$4.6 - $6.88 $186,829 - $279,431	40,615 Added 184.56%	62,621 $321,000
Q3 2021 Nov 15, 2021	SELL	$5.39 - $7.15 $210,592 - $279,357	-39,071 Reduced 63.97%	22,006 $149,000
Q2 2021 Aug 16, 2021	BUY	$5.2 - $6.76 $38,162 - $49,611	7,339 Added 13.66%	61,077 $412,000
Q1 2021 May 17, 2021	BUY	$3.8 - $8.5 $63,805 - $142,723	16,791 Added 45.45%	53,738 $357,000
Q4 2020 Feb 16, 2021	BUY	$3.15 - $4.13 $26,185 - $34,332	8,313 Added 29.03%	36,947 $146,000
Q1 2020 May 15, 2020	BUY	$2.01 - $2.77 $19,824 - $27,320	9,863 Added 52.54%	28,634 $63,000
Q2 2019 Aug 14, 2019	SELL	$2.86 - $3.29 $27,824 - $32,008	-9,729 Reduced 34.14%	18,771 $56,000
Q1 2019 May 15, 2019	BUY	$2.99 - $3.27 $18,768 - $20,525	6,277 Added 28.25%	28,500 $0
Q4 2018 Feb 14, 2019	SELL	$2.85 - $3.31 $20,879 - $24,249	-7,326 Reduced 24.79%	22,223 $66,000
Q3 2018 Nov 13, 2018	SELL	$3.15 - $4.15 $100 - $132	-32 Reduced 0.11%	29,549 $0
Q2 2018 Aug 10, 2018	BUY	$3.3 - $4.4 $41,058 - $54,744	12,442 Added 72.59%	29,581 $0
Q1 2018 May 11, 2018	SELL	$3.35 - $4.05 $1,366 - $1,652	-408 Reduced 2.33%	17,139 $60,000
Q4 2017 Feb 09, 2018	SELL	$3.9 - $4.65 $44,869 - $53,498	-11,505 Reduced 39.6%	17,547 $71,000
Q3 2017 Nov 09, 2017	BUY	$2.9 - $5.05 $84,250 - $146,712	29,052	29,052 $132,000

Others Institutions Holding ACTG

# of Institutions

Shares Held

85.3M

Call Options Held

Put Options Held

View Full List

About ACACIA RESEARCH CORP

Ticker ACTG
Exchange NASDAQ
Sector Industrials
Industry Specialty Business Services
Shares Outstandng 38,306,200
Market Cap $135M
Description
Acacia Research Corporation, together with its subsidiaries, invests in intellectual property and related absolute return assets; and engages in the licensing and enforcement of patented technologies. The company operates through two segments, Intellectual Property Operations and Industrial Operations. The company owns or controls the rights to ...

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