Simplex Trading
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Simplex Trading’s Amtech Systems ASYS Stock Holding History

Simplex 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 		$99.2K Buy
4,300
+3,100
+258% +$58.9K ﹤0.01% 5553
2026
Q1 		$14K Buy
1,200
+1,100
+1,100% +$14.8K ﹤0.01% 7049
2025
Q4 		$1.25K Sell
100
-7,100
-99% -$64K ﹤0.01% 7971
2025
Q3 		$66K Buy
7,200
+6,000
+500% +$36.7K ﹤0.01% 6160
2025
Q2 		$5K Buy
+1,200
New +$4.69K ﹤0.01% 7703
2024
Q4 		– Sell
-1,900
Closed -$11K – 8464
2024
Q3 		$11K Buy
1,900
+600
+46% +$3.65K ﹤0.01% 7105
2024
Q2 		$7K Sell
1,300
-1,100
-46% -$5.94K ﹤0.01% 7643
2024
Q1 		$12K Buy
+2,400
New +$10.8K ﹤0.01% 7456
2023
Q4 		– Sell
-900
Closed -$6K – 8733
2023
Q3 		$6K Sell
900
-400
-31% -$3.64K ﹤0.01% 7498
2023
Q2 		$12K Buy
+1,300
New +$11.8K ﹤0.01% 7215
2023
Q1 		– Sell
-400
Closed -$3K – 8964
2022
Q4 		$3K Sell
400
-200
-33% -$1.81K ﹤0.01% 8332
2022
Q3 		$5K Buy
600
+200
+50% +$1.84K ﹤0.01% 8739
2022
Q2 		$2K Sell
400
-300
-43% -$2.59K ﹤0.01% 9287
2022
Q1 		$7K Buy
+700
New +$6.68K ﹤0.01% 9140
2021
Q2 		– Sell
-43
Closed -$50K – 9995
2021
Q1 		$50K Sell
43
-12
-22% -$111 ﹤0.01% 6610
2020
Q4 		$35K Buy
55
+38
+224% +$226 ﹤0.01% 6517
2020
Q3 		$8K Buy
+17
New +$88 ﹤0.01% 6883
2020
Q1 		– Sell
-6
Closed -$4K – 7553
2019
Q4 		$4K Buy
6
+2
+50% +$12 ﹤0.01% 6750
2019
Q3 		$2K Buy
+4
New +$22 ﹤0.01% 6892
2019
Q1 		– Sell
-11
Closed -$4K – 7097
2018
Q4 		$4K Buy
11
+5
+83% +$24 ﹤0.01% 6288
2018
Q3 		$3K Sell
6
-15
-71% -$82 ﹤0.01% 6930
2018
Q2 		$12K Buy
+21
New +$164 ﹤0.01% 6207
2017
Q4 		– Sell
-79
Closed -$3K – 5952
2017
Q3 		$3K Buy
+79
New +$795 ﹤0.01% 4720

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

Simplex Trading's ASYS Position: Q2 2026 in Review

Simplex Trading opened a new position in Amtech Systems (ASYS) in Q2 2026: 4,230 shares worth $97.6K. The stake represents ﹤0.01% of the portfolio and ranks #5575 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ASYS as recently as Q4 2025.

Simplex Trading first reported a position in ASYS in Q1 2017 and has held it in 22 quarters since. 112 funds tracked by Wall St. Rank hold ASYS as of Q2 2026.

  • Simplex Trading held 4,230 shares of Amtech Systems worth $97.6K as of Q2 2026.
  • Amtech Systems was a new Simplex Trading position in Q2 2026.
  • Amtech Systems made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5575 holding.
  • Simplex Trading first reported a position in Amtech Systems in Q1 2017 and has held it in 22 quarters since.
  • 112 funds tracked by Wall St. Rank held Amtech Systems as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.