Acadian Asset Management’s Amtech Systems ASYS Stock Holding History

Acadian Asset Management’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	$5.45M	Buy	466,837 +230,829	+98%	+$3.11M	0.01%	689
2025 Q4	$2.96M	Buy	236,008 +152,476	+183%	+$1.37M	﹤0.01%	808
2025 Q3	$771K	Buy	83,532 +40,564	+94%	+$248K	﹤0.01%	1121
2025 Q2	$190K	Buy	42,968 +384	+0.9%	+$1.5K	﹤0.01%	1314
2025 Q1	$204K	Buy	42,584 +20,264	+91%	+$105K	﹤0.01%	1257
2024 Q4	$120K	Sell	22,320 -3,421	-13%	-$19.4K	﹤0.01%	1331
2024 Q3	$148K	Buy	25,741 +7,265	+39%	+$44.2K	﹤0.01%	1470
2024 Q2	$107K	Buy	18,476 +2,991	+19%	+$16.2K	﹤0.01%	1524
2024 Q1	$83K	Buy	15,485 +1,457	+10%	+$6.56K	﹤0.01%	1315
2023 Q4	$58K	Sell	14,028 -9,058	-39%	-$61.5K	﹤0.01%	1441
2023 Q3	$175K	Sell	23,086 -30,714	-57%	-$279K	﹤0.01%	1216
2023 Q2	$513K	Hold	53,800	–	–	﹤0.01%	1049
2023 Q1	$512K	Buy	53,800 +12,339	+30%	+$116K	﹤0.01%	1042
2022 Q4	$314K	Hold	41,461	–	–	﹤0.01%	1167
2022 Q3	$352K	Hold	41,461	–	–	﹤0.01%	1081
2022 Q2	$303K	Sell	41,461 -37,175	-47%	-$321K	﹤0.01%	1100
2022 Q1	$789K	Sell	78,636 -44,701	-36%	-$427K	﹤0.01%	883
2021 Q4	$1.22M	Buy	123,337 +8,705	+8%	+$100K	﹤0.01%	783
2021 Q3	$1.31M	Sell	114,632 -8,695	-7%	-$89.1K	0.01%	776
2021 Q2	$1.19M	Buy	123,327 +2,389	+2%	+$24.5K	﹤0.01%	862
2021 Q1	$1.43M	Buy	120,938 +34,341	+40%	+$318K	0.01%	841
2020 Q4	$552K	Sell	86,597 -2,728	-3%	-$16.2K	﹤0.01%	1201
2020 Q3	$437K	Sell	89,325 -40,039	-31%	-$206K	﹤0.01%	1177
2020 Q2	$630K	Buy	+129,364	New	+$639K	﹤0.01%	1117
2019 Q4	–	Sell	-72,584	Closed	-$384K	–	1870
2019 Q3	$384K	Buy	+72,584	New	+$398K	﹤0.01%	1163
2019 Q2	–	Sell	-17,195	Closed	-$91K	–	1783
2019 Q1	$91K	Sell	17,195 -7,772	-31%	-$38.4K	﹤0.01%	1548
2018 Q4	$113K	Sell	24,967 -64,312	-72%	-$314K	﹤0.01%	1247
2018 Q3	$477K	Sell	89,279 -76,912	-46%	-$422K	﹤0.01%	894
2018 Q2	$1.01M	Sell	166,191 -21,626	-12%	-$169K	﹤0.01%	726
2018 Q1	$1.37M	Buy	187,817 +114,105	+155%	+$1.03M	0.01%	672
2017 Q4	$743K	Buy	73,712 +12,257	+20%	+$150K	﹤0.01%	743
2017 Q3	$736K	Buy	61,455 +55,528	+937%	+$559K	﹤0.01%	728
2017 Q2	$50K	Buy	+5,927	New	+$43.4K	﹤0.01%	1130

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 $481B AUM 30.42% 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 $462M AUM 40.76% 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

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

Acadian Asset Management's ASYS Position: Q1 2026 in Review

Acadian Asset Management increased its Amtech Systems (ASYS) stake by 98% in Q1 2026, buying an estimated $3.11M and bringing the position to 466,837 shares worth $5.45M. The position accounts for 0.01% of the portfolio, ranked #689.

Acadian Asset Management first reported a position in ASYS in Q2 2017 and has held it in 33 quarters since. 79 funds tracked by Wall St. Rank hold ASYS as of Q1 2026.

Acadian Asset Management held 466,837 shares of Amtech Systems worth $5.45M as of Q1 2026.
Acadian Asset Management bought 230,829 Amtech Systems shares in Q1 2026, an estimated $3.11M.
Amtech Systems made up 0.01% of Acadian Asset Management's portfolio in Q1 2026, its #689 holding.
Acadian Asset Management first reported a position in Amtech Systems in Q2 2017 and has held it in 33 quarters since.
79 funds tracked by Wall St. Rank held Amtech Systems as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.