Group One Trading
ASYS icon

Group One Trading’s Amtech Systems ASYS Stock Holding History

Group One Trading’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 		$34.6K Buy
1,500
+600
+67% +$11.4K ﹤0.01% 5642
2026
Q1 		$10.5K Buy
+900
New +$12.1K ﹤0.01% 6350
2025
Q3 		– Sell
-2,500
Closed -$11.1K – 8375
2025
Q2 		$11.1K Buy
+2,500
New +$9.77K ﹤0.01% 6652
2023
Q4 		– Sell
-500
Closed -$3.81K – 7352
2023
Q3 		$3.81K Sell
500
-8,000
-94% -$72.7K ﹤0.01% 6825
2023
Q2 		$81.3K Buy
+8,500
New +$77.2K ﹤0.01% 4824
2021
Q4 		– Sell
-4,200
Closed -$48K – 8167
2021
Q3 		$48K Hold
4,200
– – ﹤0.01% 6569
2021
Q2 		$40K Buy
4,200
+1,300
+45% +$13.3K ﹤0.01% 6751
2021
Q1 		$34K Buy
+2,900
New +$26.8K ﹤0.01% 6460
2019
Q1 		– Sell
-4,000
Closed -$18K – 4771
2018
Q4 		$18K Buy
4,000
+1,100
+38% +$5.37K ﹤0.01% 4055
2018
Q3 		$15K Buy
2,900
+900
+45% +$4.94K ﹤0.01% 4489
2018
Q2 		$12K Hold
2,000
– – ﹤0.01% 4548
2018
Q1 		$15K Buy
2,000
+1,900
+1,900% +$17.1K ﹤0.01% 4174
2017
Q4 		$1K Buy
+100
New +$1.22K ﹤0.01% 4740
2013
Q3 		– Sell
-6,200
Closed -$39K – 5186
2013
Q2 		$39K Buy
+6,200
New +$27.8K ﹤0.01% 3638

Other funds holding ASYS

ACM
AIGH Capital Management Baltimore, Maryland $1.59B AUM 855.46% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
BlackRock
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Group One Trading's ASYS Position: Q2 2026 in Review

Group One Trading increased its Amtech Systems (ASYS) stake by 26% in Q2 2026, buying an estimated $16.3K and bringing the position to 4,170 shares worth $96.2K. The position accounts for ﹤0.01% of the portfolio, ranked #4895.

Group One Trading first reported a position in ASYS in Q2 2013 and has held it in 17 quarters since. 112 funds tracked by Wall St. Rank hold ASYS as of Q2 2026.

  • Group One Trading held 4,170 shares of Amtech Systems worth $96.2K as of Q2 2026.
  • Group One Trading bought 859 Amtech Systems shares in Q2 2026, an estimated $16.3K.
  • Amtech Systems made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4895 holding.
  • Group One Trading first reported a position in Amtech Systems in Q2 2013 and has held it in 17 quarters since.
  • 112 funds tracked by Wall St. Rank held Amtech Systems as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.