NORTHERN TRUST CORP

Bank

Position in ASYS — Amtech Systems Inc

CIK 73124 CHICAGO, IL

Position in ASYS

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$455,565

-$36,106 QoQ

Shares Held

39,004

-0.4% QoQ

Ownership

0.269%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Mar 31, 2026

NORTHERN TRUST CORP holds $10,733,873,871 across 27 Semiconductor Equipment & Materials names. ASYS ranks #26 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LRCX	Lam Research Corp	14,189,351	$3,031,696,730
2	AMAT	Applied Materials Inc /De	8,788,352	$3,003,770,825
3	KLAC	Kla Corp	1,571,945	$2,314,547,533
4	ASML	Asml Holding NV	736,801	$973,188,863
5	TER	Teradyne, Inc	1,574,900	$466,894,850
6	Q	Qnity Electronics, Inc.	2,231,900	$257,516,618
7	ENTG	Entegris Inc	1,558,980	$182,774,811
8	ONTO	Onto Innovation Inc.	456,017	$93,515,402

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$455,565	39,004	-0.4%	Shares	Defined	2026-05-14
2025-12-31	$491,671	39,177	+6.7%	Shares	Defined	2026-02-17
2025-09-30	$339,868	36,703	-21.5%	Shares	Defined	2025-11-14
2025-06-30	$207,644	46,767	0.0%	Shares	Defined	2025-08-13
2025-03-31	$225,883	46,767	+4.4%	Shares	Defined	2025-05-13
2024-12-31	$244,246	44,816	+31.7%	Shares	Defined	2025-02-14
2024-09-30	$197,344	34,025	-0.5%	Shares	Defined	2024-11-13
2024-06-30	$200,382	34,195	+8.9%	Shares	Defined	2024-08-14
2024-03-31	$169,943	31,413	-5.5%	Shares	Defined	2024-05-14
2023-12-31	$139,645	33,249	+49.5%	Shares	Defined	2024-02-13
2023-09-30	$169,498	22,244	-0.2%	Shares	Defined	2023-11-13
2023-06-30	$213,062	22,287	+1.4%	Shares	Defined	2023-08-11
2023-03-31	$209,669	21,978	-8.8%	Shares	Defined	2023-05-15
2022-12-31	$183,106	24,093	-0.3%	Shares	Defined	2023-02-13
2022-09-30	$205,326	24,156	+1.1%	Shares	Defined	2022-11-14
2022-06-30	$174,477	23,901	-1.5%	Shares	Defined	2022-08-12
2022-03-31	$244,115	24,266	-9.6%	Shares	Defined	2022-05-13
2021-12-31	$265,237	26,846	-1.6%	Shares	Defined	2022-02-08
2021-09-30	$311,752	27,275	-6.2%	Shares	Defined	2021-11-15
2021-06-30	$280,397	29,087	-6.5%	Shares	Defined	2021-08-13
2021-03-31	$367,837	31,120	+1.8%	Shares	Defined	2021-05-12
2020-12-31	$194,977	30,561	-2.7%	Shares	Defined	2021-02-11
2020-09-30	$153,588	31,409	+0.9%	Shares	Defined	2020-11-16
2020-06-30	$151,539	31,117	-8.8%	Shares	Other	2020-08-14
2020-03-31	$148,434	34,123	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.