Ken Griffin Clear Sign Technologies Corp Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Clear Sign Technologies Corp stock. As of the latest transaction made, Citadel Advisors LLC holds 26,714 shares of CLIR stock, worth $23,508. This represents 0.0% of its overall portfolio holdings.

Number of Shares

26,714

Previous 44,316 39.72%

Holding current value

$23,508

Previous $24,000 16.67%

% of portfolio

0.0%

Previous 0.0%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$0.48 - $0.84 $8,448 - $14,785	-17,602 Reduced 39.72%	26,714 $20,000
Q2 2025 Aug 14, 2025	BUY	$0.5 - $0.76 $2,117 - $3,217	4,234 Added 10.56%	44,316 $24,000
Q1 2025 May 15, 2025	BUY	$0.75 - $1.48 $4,461 - $8,803	5,948 Added 17.43%	40,082 $30,000
Q4 2024 Feb 14, 2025	BUY	$0.77 - $1.51 $26,283 - $51,542	34,134 New	34,134 $48,000
Q1 2024 May 15, 2024	SELL	$0.93 - $1.28 $7,694 - $10,590	-8,274 Reduced 13.71%	52,069 $50,000

Q4 2023 Feb 14, 2024	SELL	$0.81 - $1.5 $6,815 - $12,621	-8,414 Reduced 12.24%	60,343 $66,000
Q3 2023 Nov 14, 2023	BUY	$0.91 - $1.46 $48,037 - $77,071	52,789 Added 330.59%	68,757 $74,000
Q2 2023 Aug 14, 2023	SELL	$0.79 - $1.63 $16,230 - $33,488	-20,545 Reduced 56.27%	15,968 $20,000
Q1 2023 May 15, 2023	BUY	$0.53 - $0.85 $6,339 - $10,167	11,962 Added 48.72%	36,513 $29,000
Q4 2022 Feb 14, 2023	SELL	$0.54 - $0.95 $617 - $1,086	-1,144 Reduced 4.45%	24,551 $13,000
Q3 2022 Nov 14, 2022	BUY	$0.85 - $1.26 $21,840 - $32,375	25,695 New	25,695 $24,000
Q3 2021 Nov 15, 2021	BUY	$2.0 - $4.9 $18,238 - $44,683	9,119 Added 56.45%	25,272 $51,000
Q2 2021 Aug 16, 2021	BUY	$3.99 - $5.8 $19,435 - $28,251	4,871 Added 43.17%	16,153 $77,000
Q4 2020 Feb 16, 2021	SELL	$2.23 - $3.35 $6,426 - $9,654	-2,882 Reduced 20.35%	11,282 $33,000
Q2 2020 Aug 14, 2020	SELL	$0.49 - $2.55 $1,442 - $7,507	-2,944 Reduced 17.21%	14,164 $29,000
Q3 2019 Nov 14, 2019	BUY	$1.08 - $1.46 $41 - $55	38 Added 0.22%	17,108 $21,000
Q4 2018 Feb 14, 2019	BUY	$0.88 - $1.75 $4,751 - $9,448	5,399 Added 46.26%	17,070 $17,000
Q2 2018 Aug 10, 2018	SELL	$1.75 - $2.15 $24,004 - $29,491	-13,717 Reduced 54.03%	11,671 $0
Q1 2018 May 11, 2018	SELL	$1.93 - $3.5 $1,945 - $3,528	-1,008 Reduced 3.82%	25,388 $51,000
Q4 2017 Feb 09, 2018	BUY	$2.08 - $4.45 $54,903 - $117,462	26,396	26,396 $95,000

Others Institutions Holding CLIR

# of Institutions

Shares Held

4.29M

Call Options Held

14.1K

Put Options Held

View Full List

About ClearSign Technologies Corp

Ticker CLIR
Exchange NASDAQ
Sector Industrials
Industry Pollution & Treatment Controls
Shares Outstandng 37,951,600
Market Cap $33.4M
Description
ClearSign Technologies Corporation designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States and the People's Republic of China. Its ClearSign Core Burner Technology consists of an indus...

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