EAM Investors’s Amtech Systems ASYS Stock Holding History

EAM Investors’s Portfolio ASYS Stock Details ASYS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$868K	Hold	74,305	–	–	0.1%	221
2025 Q4	$933K	Buy	+74,305	New	+$669K	0.1%	215
2022 Q4	–	Sell	-126,902	Closed	-$1.08M	–	257
2022 Q3	$1.08M	Buy	+126,902	New	+$1.17M	0.23%	194
2021 Q4	–	Sell	-117,582	Closed	-$1.34M	–	291
2021 Q3	$1.34M	Buy	+117,582	New	+$1.2M	0.23%	224
2021 Q2	–	Sell	-142,121	Closed	-$1.68M	–	318
2021 Q1	$1.68M	Buy	+142,121	New	+$1.31M	0.25%	183
2020 Q1	–	Sell	-62,643	Closed	-$449K	–	217
2019 Q4	$449K	Buy	+62,643	New	+$363K	0.1%	240
2017 Q4	–	Sell	-51,594	Closed	-$618K	–	300
2017 Q3	$618K	Hold	51,594	–	–	0.08%	264
2017 Q2	$435K	Buy	+51,594	New	+$377K	0.07%	279
2014 Q4	–	Sell	-149,817	Closed	-$1.6M	–	313
2014 Q3	$1.6M	Hold	149,817	–	–	0.33%	112
2014 Q2	$1.83M	Sell	149,817 -1,557	-1%	-$15.4K	0.35%	81
2014 Q1	$1.84M	Buy	+151,374	New	+$1.58M	0.33%	100
2013 Q4	–	Sell	-184,019	Closed	-$1.34M	–	310
2013 Q3	$1.34M	Sell	184,019 -6,532	-3%	-$43.6K	0.27%	143
2013 Q2	$1.21M	Buy	+190,551	New	+$854K	0.26%	140

Other funds holding ASYS

First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

PRCP

Pacific Ridge Capital Partners Lake Oswego, Oregon $462M AUM 40.76% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

EAM Investors's ASYS Position: Q1 2026 in Review

EAM Investors held its Amtech Systems (ASYS) position steady in Q1 2026 at 74,305 shares worth $868K. The position accounts for 0.1% of the portfolio, ranked #221.

EAM Investors first reported a position in ASYS in Q2 2013 and has held it in 13 quarters since. The position peaked at $1.84M in Q1 2014. 79 funds tracked by Wall St. Rank hold ASYS as of Q1 2026.

EAM Investors held 74,305 shares of Amtech Systems worth $868K as of Q1 2026.
EAM Investors left its Amtech Systems share count unchanged in Q1 2026.
Amtech Systems made up 0.1% of EAM Investors's portfolio in Q1 2026, its #221 holding.
EAM Investors first reported a position in Amtech Systems in Q2 2013 and has held it in 13 quarters since.
EAM Investors's Amtech Systems position peaked at $1.84M in Q1 2014.
79 funds tracked by Wall St. Rank held Amtech Systems as of Q1 2026.

Based on EAM Investors's 13F filing for Q1 2026, filed 13 May 2026.