Ken Griffin Axcelis Technologies Inc Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Axcelis Technologies Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 254,493 shares of ACLS stock, worth $23.2 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

254,493

Previous 288,600 11.82%

Holding current value

$23.2 Million

Previous $14.3 Million 23.73%

% of portfolio

0.0%

Previous 0.0%

28 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$42.42 - $70.92 $9.86 Million - $16.5 Million	232,400 Added 1051.92%	254,493 $17.7 Million
Q1 2025 May 15, 2025	SELL	$49.67 - $74.45 $5.44 Million - $8.15 Million	-109,471 Reduced 83.21%	22,093 $1.1 Million
Q4 2024 Feb 14, 2025	BUY	$69.18 - $105.1 $3.63 Million - $5.51 Million	52,420 Added 66.23%	131,564 $9.19 Million
Q3 2024 Nov 14, 2024	SELL	$96.98 - $155.02 $7.95 Million - $12.7 Million	-81,992 Reduced 50.88%	79,144 $8.3 Million
Q2 2024 Aug 14, 2024	BUY	$94.79 - $142.19 $4.68 Million - $7.03 Million	49,410 Added 44.22%	161,136 $22.9 Million
Q1 2024 May 15, 2024	BUY	$107.61 - $140.11 $12 Million - $15.7 Million	111,726 New	111,726 $12.5 Million
Q3 2023 Nov 14, 2023	SELL	$154.04 - $200.48 $1.67 Million - $2.17 Million	-10,835 Reduced 39.84%	16,361 $2.67 Million
Q2 2023 Aug 14, 2023	SELL	$113.54 - $183.33 $16.1 Million - $26.1 Million	-142,114 Reduced 83.94%	27,196 $4.99 Million
Q1 2023 May 15, 2023	BUY	$78.2 - $133.45 $13 Million - $22.2 Million	166,117 Added 5202.54%	169,310 $22.6 Million
Q4 2022 Feb 14, 2023	SELL	$50.79 - $86.52 $68,820 - $117,234	-1,355 Reduced 29.79%	3,193 $253,000
Q3 2022 Nov 14, 2022	SELL	$47.95 - $81.73 $213,809 - $364,434	-4,459 Reduced 49.51%	4,548 $275,000
Q2 2022 Aug 15, 2022	SELL	$51.63 - $72.3 $372,149 - $521,138	-7,208 Reduced 44.45%	9,007 $494,000
Q1 2022 May 16, 2022	SELL	$57.3 - $82.53 $1.02 Million - $1.47 Million	-17,776 Reduced 52.3%	16,215 $1.23 Million
Q4 2021 Feb 14, 2022	SELL	$45.52 - $74.56 $682 - $1,118	-15 Reduced 0.04%	33,991 $2.53 Million
Q3 2021 Nov 15, 2021	SELL	$34.06 - $51.67 $2 Million - $3.04 Million	-58,838 Reduced 63.37%	34,006 $1.6 Million
Q2 2021 Aug 16, 2021	BUY	$35.51 - $49.32 $1.07 Million - $1.48 Million	30,083 Added 47.93%	92,844 $3.75 Million
Q1 2021 May 17, 2021	SELL	$28.6 - $42.82 $331,474 - $496,283	-11,590 Reduced 15.59%	62,761 $2.58 Million
Q4 2020 Feb 16, 2021	SELL	$21.94 - $29.69 $817,594 - $1.11 Million	-37,265 Reduced 33.39%	74,351 $2.17 Million
Q3 2020 Nov 16, 2020	SELL	$20.5 - $31.26 $2.89 Million - $4.4 Million	-140,821 Reduced 55.78%	111,616 $2.46 Million
Q2 2020 Aug 14, 2020	BUY	$16.82 - $28.19 $1.37 Million - $2.3 Million	81,687 Added 47.84%	252,437 $7.03 Million
Q1 2020 May 15, 2020	BUY	$13.42 - $28.76 $1.12 Million - $2.39 Million	83,109 Added 94.83%	170,750 $3.13 Million
Q4 2019 Feb 14, 2020	SELL	$16.43 - $24.89 $212,242 - $321,529	-12,918 Reduced 12.85%	87,641 $2.11 Million
Q3 2019 Nov 14, 2019	BUY	$14.67 - $18.66 $292,021 - $371,445	19,906 Added 24.68%	100,559 $1.72 Million
Q2 2019 Aug 14, 2019	SELL	$14.06 - $22.08 $95,087 - $149,327	-6,763 Reduced 7.74%	80,653 $1.21 Million
Q2 2018 Aug 10, 2018	BUY	$19.6 - $25.0 $602,268 - $768,200	30,728 Added 54.21%	87,416 $0
Q1 2018 May 11, 2018	BUY	$22.45 - $31.3 $868,186 - $1.21 Million	38,672 Added 214.65%	56,688 $1.4 Million
Q4 2017 Feb 09, 2018	BUY	$27.9 - $36.63 $265,440 - $348,497	9,514 Added 111.9%	18,016 $517,000
Q3 2017 Nov 09, 2017	BUY	$19.45 - $27.35 $165,363 - $232,529	8,502	8,502 $233,000

Others Institutions Holding ACLS

# of Institutions

371

Shares Held

32.1M

Call Options Held

436K

Put Options Held

418K

View Full List

About AXCELIS TECHNOLOGIES INC

Ticker ACLS
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 33,033,800
Market Cap $3.01B
Description
Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia. The company offers high energy, high current, and medium current implanters for various application requirements. It also provides aftermarket lifecy...

More about ACLS

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