Citigroup’s Amtech Systems ASYS Stock Holding History

Citigroup’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	$127K	Buy	+5,490	New	+$104K	﹤0.01%	4550
2026 Q1	–	Sell	-2,388	Closed	-$30K	–	5940
2025 Q4	$30K	Buy	2,388 +2,387	+238,700%	+$21.5K	﹤0.01%	4751
2025 Q3	$9	Buy	+1	New	+$6	﹤0.01%	5947
2020 Q1	–	Sell	-44	Closed	–	–	7586
2019 Q4	$0	Buy	+44	New	+$255	﹤0.01%	7657
2015 Q4	–	Sell	-212	Closed	-$1K	–	7533
2015 Q3	$1K	Buy	+212	New	+$1.4K	﹤0.01%	7125
2015 Q2	–	Sell	-45	Closed	-$1K	–	7502
2015 Q1	$1K	Buy	+45	New	+$452	﹤0.01%	7025
2014 Q4	–	Sell	-451	Closed	-$5K	–	7099
2014 Q3	$5K	Sell	451 -2,000	-82%	-$21K	﹤0.01%	6546
2014 Q2	$30K	Buy	+2,451	New	+$24.3K	﹤0.01%	5524
2014 Q1	–	Sell	-34	Closed	–	–	6994
2013 Q4	$0	Buy	+34	New	+$264	﹤0.01%	6970

Other funds holding ASYS

ACM

AIGH Capital Management Baltimore, Maryland $1.59B AUM 855.46% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

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

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citigroup's ASYS Position: Q2 2026 in Review

Citigroup opened a new position in Amtech Systems (ASYS) in Q2 2026: 5,490 shares worth $127K. The stake represents ﹤0.01% of the portfolio and ranks #4550 among its holdings. This is a return to the name: Citigroup previously reported a position in ASYS as recently as Q4 2025.

Citigroup first reported a position in ASYS in Q4 2013 and has held it in 9 quarters since. 111 funds tracked by Wall St. Rank hold ASYS as of Q2 2026.

Citigroup held 5,490 shares of Amtech Systems worth $127K as of Q2 2026.
Amtech Systems was a new Citigroup position in Q2 2026.
Amtech Systems made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #4550 holding.
Citigroup first reported a position in Amtech Systems in Q4 2013 and has held it in 9 quarters since.
111 funds tracked by Wall St. Rank held Amtech Systems as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.