Dimensional Fund Advisors LP Amtech Systems Inc Transaction History

Dimensional Fund Advisors LP

$418 Billion
Q2 2025

A detailed history of Dimensional Fund Advisors LP transactions in Amtech Systems Inc stock. As of the latest transaction made, Dimensional Fund Advisors LP holds 909,566 shares of ASYS stock, worth $4.21 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

909,566

Previous 927,626 1.95%

Holding current value

$4.21 Million

Previous $4.48 Million 9.87%

% of portfolio

0.0%

Previous 0.0%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 12, 2025	SELL	$3.35 - $4.81 $60,501 - $86,868	-18,060 Reduced 1.95%	909,566 $4.04 Million
Q1 2025 May 13, 2025	SELL	$4.77 - $5.7 $17,038 - $20,360	-3,572 Reduced 0.38%	927,626 $4.48 Million
Q4 2024 Feb 13, 2025	BUY	$5.42 - $6.01 $38,308 - $42,478	7,068 Added 0.76%	931,198 $5.08 Million
Q3 2024 Nov 07, 2024	SELL	$5.25 - $6.76 $97,146 - $125,087	-18,504 Reduced 1.96%	924,130 $5.36 Million
Q2 2024 Aug 09, 2024	SELL	$4.65 - $6.63 $362,504 - $516,861	-77,958 Reduced 7.64%	942,634 $5.52 Million
Q1 2024 May 10, 2024	SELL	$3.44 - $5.41 $351,168 - $552,274	-102,084 Reduced 9.09%	1,020,592 $5.52 Million
Q4 2023 Feb 07, 2024	SELL	$3.69 - $8.0 $14,962 - $32,440	-4,055 Reduced 0.36%	1,122,676 $4.72 Million
Q3 2023 Nov 09, 2023	SELL	$7.32 - $10.91 $99,588 - $148,430	-13,605 Reduced 1.19%	1,126,731 $8.59 Million
Q2 2023 Aug 09, 2023	SELL	$8.5 - $10.21 $136,391 - $163,829	-16,046 Reduced 1.39%	1,140,336 $10.9 Million
Q1 2023 May 12, 2023	BUY	$7.98 - $11.18 $65,978 - $92,436	8,268 Added 0.72%	1,156,382 $11 Million
Q4 2022 Feb 09, 2023	BUY	$7.54 - $11.05 $98,027 - $143,661	13,001 Added 1.15%	1,148,114 $8.73 Million
Q3 2022 Nov 10, 2022	BUY	$6.87 - $12.93 $7,941 - $14,947	1,156 Added 0.1%	1,135,113 $9.65 Million
Q2 2022 Aug 12, 2022	BUY	$7.25 - $10.19 $89,465 - $125,744	12,340 Added 1.1%	1,133,957 $8.28 Million
Q1 2022 May 13, 2022	BUY	$8.07 - $10.96 $172,875 - $234,785	21,422 Added 1.95%	1,121,617 $11.3 Million
Q4 2021 Feb 09, 2022	BUY	$8.62 - $15.51 $10,447 - $18,798	1,212 Added 0.11%	1,100,195 $10.9 Million
Q3 2021 Nov 12, 2021	BUY	$8.88 - $12.5 $51,628 - $72,675	5,814 Added 0.53%	1,098,983 $12.6 Million
Q2 2021 Aug 12, 2021	BUY	$8.79 - $14.13 $263,128 - $422,981	29,935 Added 2.82%	1,093,169 $10.5 Million
Q1 2021 May 14, 2021	SELL	$6.36 - $12.32 $241,540 - $467,888	-37,978 Reduced 3.45%	1,063,234 $12.6 Million
Q4 2020 Feb 25, 2021	BUY	$5.05 - $7.13 $5.56 Million - $7.85 Million	1,101,212 New	1,101,212 $7.03 Million

Others Institutions Holding ASYS

# of Institutions

Shares Held

6.36M

Call Options Held

18.3K

Put Options Held

View Full List

About AMTECH SYSTEMS INC

Ticker ASYS
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 13,889,300
Market Cap $64.3M
Description
Amtech Systems, Inc. manufactures and sells capital equipment and related consumables for use in fabricating silicon carbide (SiC), silicon power devices, analog and discrete devices, electronic assemblies, and light-emitting diodes (LEDs) worldwide. The company operates in Semiconductor and Material and Substrate segments. The Semiconductor seg...

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Dimensional Fund Advisors LP Amtech Systems Inc Transaction History