Penbrook Management LLC Axcelis Technologies Inc Transaction History

Penbrook Management LLC

$125 Million
Q2 2025

A detailed history of Penbrook Management LLC transactions in Axcelis Technologies Inc stock. As of the latest transaction made, Penbrook Management LLC holds 16,895 shares of ACLS stock, worth $1.41 Million. This represents 0.94% of its overall portfolio holdings.

Number of Shares

16,895

Previous 19,640 13.98%

Holding current value

$1.41 Million

Previous $1.37 Million 13.96%

% of portfolio

0.94%

Previous 1.02%

26 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 25, 2025	SELL	$42.42 - $70.92 $116,442 - $194,675	-2,745 Reduced 13.98%	16,895 $1.18 Million
Q1 2025 Apr 01, 2025	BUY	$49.67 - $74.45 $3,725 - $5,583	75 Added 0.38%	19,640 $976,000
Q3 2024 Oct 15, 2024	SELL	$96.98 - $155.02 $325,852 - $520,867	-3,360 Reduced 14.66%	19,565 $2.05 Million
Q2 2024 Jul 24, 2024	SELL	$94.79 - $142.19 $1.85 Million - $2.78 Million	-19,535 Reduced 46.01%	22,925 $3.26 Million
Q1 2024 Apr 18, 2024	SELL	$107.61 - $140.11 $62,413 - $81,263	-580 Reduced 1.35%	42,460 $4.74 Million
Q4 2023 Jan 16, 2024	SELL	$122.02 - $167.65 $67,111 - $92,207	-550 Reduced 1.26%	43,040 $5.58 Million
Q3 2023 Oct 10, 2023	SELL	$154.04 - $200.48 $159,431 - $207,496	-1,035 Reduced 2.32%	43,590 $7.11 Million
Q2 2023 Jul 17, 2023	SELL	$113.54 - $183.33 $304,854 - $492,241	-2,685 Reduced 5.68%	44,625 $8.18 Million
Q1 2023 Apr 20, 2023	SELL	$78.2 - $133.45 $28,543 - $48,709	-365 Reduced 0.77%	47,310 $6.3 Million
Q3 2022 Oct 31, 2022	SELL	$47.95 - $81.73 $11,987 - $20,432	-250 Reduced 0.52%	47,675 $2.89 Million
Q2 2022 Jul 29, 2022	SELL	$51.63 - $72.3 $11,616 - $16,267	-225 Reduced 0.47%	47,925 $2.63 Million
Q1 2022 Apr 26, 2022	SELL	$57.3 - $82.53 $810,795 - $1.17 Million	-14,150 Reduced 22.71%	48,150 $3.64 Million
Q4 2021 Jan 10, 2022	SELL	$45.52 - $74.56 $68,280 - $111,840	-1,500 Reduced 2.35%	62,300 $4.65 Million
Q3 2021 Oct 26, 2021	SELL	$34.06 - $51.67 $25,545 - $38,752	-750 Reduced 1.16%	63,800 $3 Million
Q2 2021 Jul 27, 2021	SELL	$35.51 - $49.32 $44,387 - $61,650	-1,250 Reduced 1.9%	64,550 $2.61 Million
Q1 2021 May 05, 2021	SELL	$28.6 - $42.82 $444,015 - $664,780	-15,525 Reduced 19.09%	65,800 $2.7 Million
Q1 2021 Apr 16, 2021	BUY	$28.6 - $42.82 $273,845 - $410,001	9,575 Added 13.34%	81,325 $1.49 Million
Q3 2020 Oct 23, 2020	BUY	$20.5 - $31.26 $3,075 - $4,689	150 Added 0.21%	71,750 $1.58 Million
Q2 2020 Jul 28, 2020	SELL	$16.82 - $28.19 $151,380 - $253,710	-9,000 Reduced 11.17%	71,600 $1.99 Million
Q1 2020 Apr 14, 2020	SELL	$13.42 - $28.76 $79,513 - $170,403	-5,925 Reduced 6.85%	80,600 $1.48 Million
Q4 2019 Jan 16, 2020	SELL	$16.43 - $24.89 $4,929 - $7,467	-300 Reduced 0.35%	86,525 $2.09 Million
Q3 2019 Oct 11, 2019	SELL	$14.67 - $18.66 $10,269 - $13,062	-700 Reduced 0.8%	86,825 $1.48 Million
Q1 2019 Apr 24, 2019	SELL	$16.57 - $22.63 $77,464 - $105,795	-4,675 Reduced 5.07%	87,525 $1.76 Million
Q3 2018 Oct 23, 2018	SELL	$18.6 - $23.2 $6,510 - $8,120	-350 Reduced 0.38%	92,200 $1.81 Million
Q1 2018 Apr 27, 2018	SELL	$22.45 - $31.3 $95,524 - $133,181	-4,255 Reduced 4.4%	92,550 $2.28 Million
Q4 2017 Feb 21, 2018	BUY	$27.9 - $36.63 $2.7 Million - $3.55 Million	96,805	96,805 $2.78 Million

Others Institutions Holding ACLS

# of Institutions

375

Shares Held

31.5M

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 $2.76B
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...

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Penbrook Management LLC Axcelis Technologies Inc Transaction History