GSA Capital Partners’s Amtech Systems ASYS Stock Holding History

GSA Capital Partners’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	$299K	Sell	25,630 -5,118	-17%	-$68.9K	0.02%	1255
2025 Q4	$386K	Sell	30,748 -3,069	-9%	-$27.6K	0.03%	990
2025 Q3	$313K	Sell	33,817 -10,602	-24%	-$64.8K	0.03%	1176
2025 Q2	$197K	Buy	44,419 +32,303	+267%	+$126K	0.01%	1520
2025 Q1	$59K	Buy	+12,116	New	+$62.5K	0.01%	1539
2018 Q2	–	Sell	-73,166	Closed	-$536K	–	1663
2018 Q1	$536K	Buy	+73,166	New	+$659K	0.03%	1026
2014 Q2	–	Sell	-18,400	Closed	-$224K	–	1793
2014 Q1	$224K	Sell	18,400 -4,900	-21%	-$51.1K	0.02%	1317
2013 Q4	$162K	Sell	23,300 -2,800	-11%	-$21.8K	0.01%	1503
2013 Q3	$191K	Sell	26,100 -2,100	-7%	-$14K	0.02%	1399
2013 Q2	$179K	Buy	+28,200	New	+$126K	0.02%	1125

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

GSA Capital Partners's ASYS Position: Q1 2026 in Review

GSA Capital Partners reduced its Amtech Systems (ASYS) stake by 17% in Q1 2026, selling an estimated $68.9K and leaving 25,630 shares worth $299K. The position accounts for 0.02% of the portfolio, ranked #1255.

GSA Capital Partners first reported a position in ASYS in Q2 2013 and has held it in 10 quarters since. The position peaked at $536K in Q1 2018. 79 funds tracked by Wall St. Rank hold ASYS as of Q1 2026.

GSA Capital Partners held 25,630 shares of Amtech Systems worth $299K as of Q1 2026.
GSA Capital Partners sold 5,118 Amtech Systems shares in Q1 2026, an estimated $68.9K.
Amtech Systems made up 0.02% of GSA Capital Partners's portfolio in Q1 2026, its #1255 holding.
GSA Capital Partners first reported a position in Amtech Systems in Q2 2013 and has held it in 10 quarters since.
GSA Capital Partners's Amtech Systems position peaked at $536K in Q1 2018.
79 funds tracked by Wall St. Rank held Amtech Systems as of Q1 2026.

Based on GSA Capital Partners's 13F filing for Q1 2026, filed 8 May 2026.