Jim Simons’s Amtech Systems ASYS Stock Holding History

Jim Simons’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	$1.26M	Sell	108,096 -38,500	-26%	-$519K	﹤0.01%	2142
2025 Q4	$1.84M	Buy	146,596 +126,296	+622%	+$1.14M	﹤0.01%	1916
2025 Q3	$188K	Buy	20,300 +5,800	+40%	+$35.4K	﹤0.01%	3145
2025 Q2	$64.4K	Buy	14,500 +1,800	+14%	+$7.03K	﹤0.01%	3360
2025 Q1	$61.3K	Buy	12,700 +1,000	+9%	+$5.16K	﹤0.01%	3270
2024 Q4	$63.8K	Buy	+11,700	New	+$66.4K	﹤0.01%	3353
2023 Q3	–	Sell	-77,661	Closed	-$742K	–	3644
2023 Q2	$742K	Buy	77,661 +2,114	+3%	+$19.2K	﹤0.01%	2662
2023 Q1	$721K	Buy	75,547 +7,951	+12%	+$74.7K	﹤0.01%	2676
2022 Q4	$514K	Buy	67,596 +20,800	+44%	+$188K	﹤0.01%	2934
2022 Q3	$398K	Buy	46,796 +11,600	+33%	+$107K	﹤0.01%	3059
2022 Q2	$257K	Sell	35,196 -14,900	-30%	-$129K	﹤0.01%	3534
2022 Q1	$504K	Sell	50,096 -100,461	-67%	-$959K	﹤0.01%	3188
2021 Q4	$1.49M	Buy	150,557 +67,564	+81%	+$779K	﹤0.01%	2368
2021 Q3	$949K	Sell	82,993 -139,703	-63%	-$1.43M	﹤0.01%	2582
2021 Q2	$2.15M	Buy	222,696 +77,600	+53%	+$796K	﹤0.01%	2210
2021 Q1	$1.72M	Sell	145,096 -40,366	-22%	-$373K	﹤0.01%	2320
2020 Q4	$1.18M	Buy	185,462 +36,600	+25%	+$218K	﹤0.01%	2418
2020 Q3	$728K	Buy	148,862 +102,500	+221%	+$528K	﹤0.01%	2669
2020 Q2	$226K	Buy	46,362 +23,596	+104%	+$117K	﹤0.01%	3126
2020 Q1	$99K	Buy	+22,766	New	+$128K	﹤0.01%	3230
2018 Q3	–	Sell	-21,191	Closed	-$128K	–	3341
2018 Q2	$128K	Sell	21,191 -541,841	-96%	-$4.23M	﹤0.01%	3125
2018 Q1	$4.12M	Buy	563,032 +16,100	+3%	+$145K	﹤0.01%	1936
2017 Q4	$5.51M	Buy	546,932 +175,009	+47%	+$2.14M	0.01%	1743
2017 Q3	$4.46M	Buy	371,923 +242,787	+188%	+$2.44M	0.01%	1842
2017 Q2	$1.09M	Buy	129,136 +23,400	+22%	+$171K	﹤0.01%	2535
2017 Q1	$582K	Buy	105,736 +6,500	+7%	+$35.6K	﹤0.01%	2728
2016 Q4	$422K	Buy	99,236 +22,600	+29%	+$102K	﹤0.01%	2815
2016 Q3	$380K	Buy	76,636 +16,200	+27%	+$89.5K	﹤0.01%	2897
2016 Q2	$361K	Buy	60,436 +4,600	+8%	+$29.2K	﹤0.01%	2893
2016 Q1	$362K	Sell	55,836 -3,700	-6%	-$20.9K	﹤0.01%	2938
2015 Q4	$373K	Sell	59,536 -35,300	-37%	-$182K	﹤0.01%	2821
2015 Q3	$408K	Sell	94,836 -47,600	-33%	-$314K	﹤0.01%	2683
2015 Q2	$1.48M	Sell	142,436 -69,364	-33%	-$769K	﹤0.01%	2247
2015 Q1	$2.37M	Buy	211,800 +29,004	+16%	+$292K	0.01%	1843
2014 Q4	$1.86M	Sell	182,796 -6,996	-4%	-$65.7K	﹤0.01%	1838
2014 Q3	$2.03M	Buy	189,792 +33,296	+21%	+$350K	0.01%	1672
2014 Q2	$1.91M	Sell	156,496 -2,600	-2%	-$25.8K	﹤0.01%	1754
2014 Q1	$1.94M	Buy	159,096 +34,342	+28%	+$358K	﹤0.01%	1786
2013 Q4	$868K	Buy	124,754 +15,263	+14%	+$119K	﹤0.01%	2144
2013 Q3	$799K	Sell	109,491 -1,105	-1%	-$7.38K	﹤0.01%	2109
2013 Q2	$703K	Buy	+110,596	New	+$495K	﹤0.01%	2095

Other funds holding ASYS

First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

PRCP

Pacific Ridge Capital Partners Lake Oswego, Oregon $551M AUM 49.99% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Jim Simons's ASYS Position: Q1 2026 in Review

Jim Simons reduced its Amtech Systems (ASYS) stake by 26% in Q1 2026, selling an estimated $519K and leaving 108,096 shares worth $1.26M. The position accounts for ﹤0.01% of the portfolio, ranked #2142.

Jim Simons first reported a position in ASYS in Q2 2013 and has held it in 41 quarters since. The position peaked at $5.51M in Q4 2017. 79 funds tracked by Wall St. Rank hold ASYS as of Q1 2026.

Jim Simons held 108,096 shares of Amtech Systems worth $1.26M as of Q1 2026.
Jim Simons sold 38,500 Amtech Systems shares in Q1 2026, an estimated $519K.
Amtech Systems made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2142 holding.
Jim Simons first reported a position in Amtech Systems in Q2 2013 and has held it in 41 quarters since.
Jim Simons's Amtech Systems position peaked at $5.51M in Q4 2017.
79 funds tracked by Wall St. Rank held Amtech Systems as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.