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Tower Research Capital (TRC)’s Amtech Systems ASYS Stock Holding History

Tower Research Capital (TRC)’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 		$22.7K Buy
+1,941
New +$26.1K ﹤0.01% 3393
2025
Q3 		– Sell
-884
Closed -$3.92K – 5217
2025
Q2 		$3.92K Sell
884
-641
-42% -$2.5K ﹤0.01% 4410
2025
Q1 		$7.37K Buy
1,525
+670
+78% +$3.46K ﹤0.01% 3961
2024
Q4 		$4.66K Buy
855
+199
+30% +$1.13K ﹤0.01% 4422
2024
Q3 		$3.81K Sell
656
-1,957
-75% -$11.9K ﹤0.01% 4770
2024
Q2 		$15.3K Buy
2,613
+624
+31% +$3.37K ﹤0.01% 3912
2024
Q1 		$10.8K Sell
1,989
-497
-20% -$2.24K ﹤0.01% 3655
2023
Q4 		$10.4K Sell
2,486
-1,201
-33% -$8.16K ﹤0.01% 4246
2023
Q3 		$28.1K Buy
3,687
+3,149
+585% +$28.6K ﹤0.01% 3070
2023
Q2 		$5.14K Sell
538
-4,409
-89% -$40K ﹤0.01% 4857
2023
Q1 		$48K Buy
4,947
+4,111
+492% +$38.6K ﹤0.01% 2523
2022
Q4 		$6K Sell
836
-793
-49% -$7.18K ﹤0.01% 4678
2022
Q3 		$14K Sell
1,629
-773
-32% -$7.12K ﹤0.01% 4203
2022
Q2 		$18K Buy
+2,402
New +$20.7K ﹤0.01% 3883
2022
Q1 		– Sell
-531
Closed -$5K – 6069
2021
Q4 		$5K Buy
+531
New +$6.13K ﹤0.01% 5127
2021
Q3 		– Sell
-1,704
Closed -$16K – 5749
2021
Q2 		$16K Buy
1,704
+717
+73% +$7.35K ﹤0.01% 4068
2021
Q1 		$12K Sell
987
-146
-13% -$1.35K ﹤0.01% 4243
2020
Q4 		$7K Buy
+1,133
New +$6.74K ﹤0.01% 4474
2020
Q2 		– Sell
-529
Closed -$2K – 4723
2020
Q1 		$2K Buy
529
+431
+440% +$2.42K ﹤0.01% 2542
2019
Q4 		$1K Sell
98
-5,653
-98% -$32.8K ﹤0.01% 3200
2019
Q3 		$30K Buy
5,751
+5,676
+7,568% +$31.1K ﹤0.01% 2186
2019
Q2 		$0 Sell
75
-8,639
-99% -$52.7K ﹤0.01% 3646
2019
Q1 		$46K Buy
8,714
+6,361
+270% +$31.4K ﹤0.01% 1802
2018
Q4 		$11K Buy
+2,353
New +$11.5K ﹤0.01% 2370
2018
Q2 		– Sell
-1,157
Closed -$8K – 3618
2018
Q1 		$8K Buy
1,157
+912
+372% +$8.21K ﹤0.01% 2529
2017
Q4 		$2K Sell
245
-1,296
-84% -$15.8K ﹤0.01% 3176
2017
Q3 		$18K Sell
1,541
-3,091
-67% -$31.1K ﹤0.01% 2776
2017
Q2 		$39K Buy
4,632
+4,622
+46,220% +$33.8K ﹤0.01% 866
2017
Q1 		$0 Sell
10
-1,998
-100% -$10.9K ﹤0.01% 3032
2016
Q4 		$9K Buy
2,008
+500
+33% +$2.27K ﹤0.01% 2706
2016
Q3 		$7K Sell
1,508
-4,803
-76% -$26.5K ﹤0.01% 2302
2016
Q2 		$38K Buy
6,311
+4,540
+256% +$28.8K ﹤0.01% 1741
2016
Q1 		$12K Buy
+1,771
New +$9.98K ﹤0.01% 1749
2015
Q4 		– Sell
-787
Closed -$3K – 4450
2015
Q3 		$3K Sell
787
-20
-2% -$132 ﹤0.01% 3094
2015
Q2 		$8K Sell
807
-754
-48% -$8.36K ﹤0.01% 2867
2015
Q1 		$17K Buy
1,561
+567
+57% +$5.7K ﹤0.01% 2366
2014
Q4 		$10K Buy
+994
New +$9.34K ﹤0.01% 2130
2014
Q3 		– Sell
-3,714
Closed -$45K – 4403
2014
Q2 		$45K Buy
3,714
+3,118
+523% +$30.9K 0.01% 1355
2014
Q1 		$8K Buy
596
+129
+28% +$1.34K ﹤0.01% 2795
2013
Q4 		$3K Buy
467
+267
+134% +$2.08K ﹤0.01% 3812
2013
Q3 		$1K Buy
+200
New +$1.34K ﹤0.01% 4270

Other funds holding ASYS

First Eagle Investment Management
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
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Marshall Wace
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
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Tower Research Capital (TRC)'s ASYS Position: Q1 2026 in Review

Tower Research Capital (TRC) opened a new position in Amtech Systems (ASYS) in Q1 2026: 1,941 shares worth $22.7K. The stake represents ﹤0.01% of the portfolio and ranks #3393 among its holdings. This is a return to the name: Tower Research Capital (TRC) previously reported a position in ASYS as recently as Q2 2025.

Tower Research Capital (TRC) first reported a position in ASYS in Q3 2013 and has held it in 41 quarters since. The position peaked at $48K in Q1 2023. 79 funds tracked by Wall St. Rank hold ASYS as of Q1 2026.

  • Tower Research Capital (TRC) held 1,941 shares of Amtech Systems worth $22.7K as of Q1 2026.
  • Amtech Systems was a new Tower Research Capital (TRC) position in Q1 2026.
  • Amtech Systems made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3393 holding.
  • Tower Research Capital (TRC) first reported a position in Amtech Systems in Q3 2013 and has held it in 41 quarters since.
  • Tower Research Capital (TRC)'s Amtech Systems position peaked at $48K in Q1 2023.
  • 79 funds tracked by Wall St. Rank held Amtech Systems as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.