Winton Group’s Amtech Systems ASYS Stock Holding History

Winton Group’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 Q2	$654K	Buy	+28,350	New	+$538K	0.02%	622
2021 Q4	–	Sell	-18,885	Closed	-$216K	–	1027
2021 Q3	$216K	Sell	18,885 -3,035	-14%	-$31.1K	0.01%	1217
2021 Q2	$211K	Sell	21,920 -869	-4%	-$8.91K	0.01%	1325
2021 Q1	$269K	Buy	22,789 +221	+1%	+$2.04K	0.02%	1184
2020 Q4	$144K	Sell	22,568 -25,890	-53%	-$154K	0.01%	1237
2020 Q3	$237K	Sell	48,458 -13,917	-22%	-$71.7K	0.01%	1314
2020 Q2	$304K	Buy	62,375 +27,390	+78%	+$135K	0.01%	1279
2020 Q1	$152K	Buy	34,985 +20,254	+137%	+$114K	﹤0.01%	1286
2019 Q4	$105K	Sell	14,731 -9,137	-38%	-$53K	﹤0.01%	1484
2019 Q3	$127K	Buy	+23,868	New	+$131K	﹤0.01%	1442

Other funds holding ASYS

ACM

AIGH Capital Management Baltimore, Maryland $1.59B AUM 855.46% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AIC

AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Winton Group's ASYS Position: Q2 2026 in Review

Winton Group opened a new position in Amtech Systems (ASYS) in Q2 2026: 28,350 shares worth $654K. The stake represents 0.02% of the portfolio and ranks #622 among its holdings. This is a return to the name: Winton Group previously reported a position in ASYS as recently as Q3 2021.

Winton Group first reported a position in ASYS in Q3 2019 and has held it in 10 quarters since. 111 funds tracked by Wall St. Rank hold ASYS as of Q2 2026.

Winton Group held 28,350 shares of Amtech Systems worth $654K as of Q2 2026.
Amtech Systems was a new Winton Group position in Q2 2026.
Amtech Systems made up 0.02% of Winton Group's portfolio in Q2 2026, its #622 holding.
Winton Group first reported a position in Amtech Systems in Q3 2019 and has held it in 10 quarters since.
111 funds tracked by Wall St. Rank held Amtech Systems as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.