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 		$97.6K Buy
+4,230
New +$80.3K ﹤0.01% 5575
2026
Q1 		– Sell
-681
Closed -$9.17K – 9013
2025
Q4 		$8.55K Buy
+681
New +$6.13K ﹤0.01% 7086
2025
Q3 		– Sell
-2,838
Closed -$17.3K – 9015
2025
Q2 		$12K Sell
2,838
-630
-18% -$2.46K ﹤0.01% 7152
2025
Q1 		$16K Buy
3,468
+2,901
+512% +$15K ﹤0.01% 6741
2024
Q4 		$3K Buy
+567
New +$3.22K ﹤0.01% 7822
2023
Q1 		– Sell
-1,450
Closed -$13.6K – 8965
2022
Q4 		$11K Buy
+1,450
New +$13.1K ﹤0.01% 7424
2022
Q1 		– Sell
-347
Closed -$3.31K – 10332
2021
Q4 		$3K Buy
+347
New +$4K ﹤0.01% 9791
2021
Q2 		– Sell
-5,656
Closed -$58K – 9996
2021
Q1 		$66K Buy
+5,656
New +$52.3K ﹤0.01% 6268
2020
Q4 		– Sell
-914
Closed -$5.43K – 8296
2020
Q3 		$4K Buy
914
+506
+124% +$2.61K ﹤0.01% 7171
2020
Q2 		$1K Sell
408
-208
-34% -$1.03K ﹤0.01% 7329
2020
Q1 		$2K Sell
616
-3,202
-84% -$18K ﹤0.01% 7154
2019
Q4 		$27K Buy
3,818
+3,454
+949% +$20K ﹤0.01% 5725
2019
Q3 		$1K Buy
364
+300
+469% +$1.65K ﹤0.01% 7012
2019
Q2 		$0 Sell
64
-9
-12% -$55 ﹤0.01% 7056
2019
Q1 		$0 Sell
73
-177
-71% -$874 ﹤0.01% 7098
2018
Q4 		$1K Sell
250
-3,375
-93% -$16.5K ﹤0.01% 6698
2018
Q3 		$19K Sell
3,625
-2,342
-39% -$12.8K ﹤0.01% 5980
2018
Q2 		$36K Buy
5,967
+5,824
+4,073% +$45.4K ﹤0.01% 5384
2018
Q1 		$1K Sell
143
-832
-85% -$7.49K ﹤0.01% 5532
2017
Q4 		$9K Buy
+975
New +$11.9K ﹤0.01% 3966
2017
Q3 		– Sell
-23
Closed -$231 – 5855
2017
Q2 		$0 Sell
23
-331
-94% -$2.42K ﹤0.01% 6054
2017
Q1 		$1K Buy
+354
New +$1.94K ﹤0.01% 5537

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.