AMTECH SYSTEMS INC - Common Stock (ASYS) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
ASYS on Nasdaq
Shares outstanding
14,306,229
Price per share
$10.99
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
4,545,270
Total reported value
$42,085,951
% of total 13F portfolios
0%
Share change
+449,751
Value change
+$4,703,454
Number of holders
53
Price from insider filings
$10.99
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AMTECH SYSTEMS INC - Common Stock (ASYS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PITON CAPITAL PARTNERS LLC 20% $13,980,860 2,894,588 Robert Averick 13 Feb 2025
Wax Asset Management, LLC 16% $10,922,784 2,261,446 Wax Asset Management, LLC 31 Dec 2024
Pacific Ridge Capital Partners, LLC 4.6% $3,151,058 652,393 Pacific Ridge Capital Partners, LLC 31 Dec 2024
ROYCE & ASSOCIATES LP 4.1% -62% $2,839,972 -$4,305,047 587,986 -60% ROYCE & ASSOCIATES LP 31 Mar 2025

As of 30 Sep 2025, 53 institutional investors reported holding 4,545,270 shares of AMTECH SYSTEMS INC - Common Stock (ASYS). This represents 32% of the company’s total 14,306,229 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of AMTECH SYSTEMS INC - Common Stock (ASYS) together control 30% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
DIMENSIONAL FUND ADVISORS LP 5.9% 849,815 -6.6% 0% $7,869,244
First Eagle Investment Management, LLC 5.3% 752,346 -6% 0.01% $6,966,724
VANGUARD GROUP INC 4.7% 676,006 +2.6% 0% $6,259,815
Pacific Ridge Capital Partners, LLC 4.5% 646,489 -2.2% 1.3% $5,986,488
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.3% 182,429 0% $1,689,293
JANE STREET GROUP, LLC 1.2% 175,422 0% $1,624,408
BlackRock, Inc. 0.93% 132,873 +6.6% 0% $1,230,404
GEODE CAPITAL MANAGEMENT, LLC 0.92% 131,281 -3.7% 0% $1,216,191
MARSHALL WACE, LLP 0.74% 105,272 0% $974,820
ACADIAN ASSET MANAGEMENT LLC 0.58% 83,532 +94% 0% $771,000
CITADEL ADVISORS LLC 0.55% 78,454 +107% 0% $726,484
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.45% 64,800 0% 0.01% $600,048
STATE STREET CORP 0.38% 54,790 0% 0% $507,355
ESSEX INVESTMENT MANAGEMENT CO LLC 0.26% 37,816 0.05% $350,176
NORTHERN TRUST CORP 0.26% 36,703 -22% 0% $339,870
WealthTrust Axiom LLC 0.25% 35,800 -15% 0.09% $331,508
Ancora Advisors LLC 0.25% 35,247 -68% 0.01% $326,387
GSA CAPITAL PARTNERS LLP 0.24% 33,817 -24% 0.03% $313,000
Kovack Advisors, Inc. 0.22% 32,150 -56% 0.03% $297,709
GOLDMAN SACHS GROUP INC 0.22% 31,251 +57% 0% $289,384
IRONWOOD INVESTMENT MANAGEMENT LLC 0.19% 27,591 -0.74% 0.11% $255,493
Janney Montgomery Scott LLC 0.19% 26,700 0% 0% $247,000
EHP Funds Inc. 0.18% 25,242 0.31% $233,741
Cubist Systematic Strategies, LLC 0.17% 24,844 0% $230,055
GWN SECURITIES INC. 0.14% 20,423 0.04% $189,137

Institutional Holders of AMTECH SYSTEMS INC - Common Stock (ASYS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 0 $0 -$122,695 $10.99 0
2025 Q3 4,545,270 $42,085,951 +$4,703,454 $9.26 53
2025 Q2 4,095,519 $18,183,948 -$3,413,240 $4.44 36
2025 Q1 4,798,776 $23,178,100 -$3,673,936 $4.83 37
2024 Q4 5,548,015 $30,236,584 -$3,106,715 $5.45 35
2024 Q3 6,101,303 $35,387,780 -$628,528 $5.80 34
2024 Q2 6,208,462 $36,381,328 -$199,436 $5.86 34
2024 Q1 6,260,089 $33,865,702 +$897,180 $5.41 41
2023 Q4 6,157,364 $25,859,431 -$3,964,849 $4.20 44
2023 Q3 6,723,448 $51,232,884 +$622,757 $7.62 42
2023 Q2 6,612,384 $63,212,484 +$622,536 $9.56 44
2023 Q1 6,547,348 $62,460,055 +$277,421 $9.54 44
2022 Q4 6,611,315 $50,244,545 +$662,255 $7.60 48
2022 Q3 294 $3,000 -$490,000 $9.98 2
2022 Q2 8,992,567 $65,645,000 -$2,906,486 $7.30 38
2022 Q1 9,373,219 $94,339,322 -$2,418,221 $10.06 45
2021 Q4 9,623,492 $95,078,000 -$4,317,832 $9.88 47
2021 Q3 6,787,151 $77,570,000 +$2,044,479 $11.43 51
2021 Q2 6,673,151 $64,369,000 -$6,218,878 $9.64 53
2021 Q1 7,080,059 $83,680,000 +$4,337,691 $11.82 63
2020 Q4 7,334,717 $46,792,000 +$2,998,647 $6.38 39
2020 Q3 6,898,984 $33,737,000 +$1,156,266 $4.89 44
2020 Q2 6,662,109 $32,397,000 +$1,269,521 $4.87 40
2020 Q1 6,392,990 $27,808,000 +$2,129,871 $4.35 38
2019 Q4 5,749,402 $41,191,000 -$450,740 $7.16 40
2019 Q3 8,155,379 $43,220,000 +$1,662,909 $5.30 46
2019 Q2 7,838,332 $43,112,000 +$711,394 $5.50 44
2019 Q1 7,717,879 $41,133,000 -$588,217 $5.33 48
2018 Q4 7,849,286 $35,555,000 -$851,883 $4.53 48
2018 Q3 7,857,287 $41,959,000 -$4,197,228 $5.34 49
2018 Q2 8,633,832 $52,256,000 -$8,668,359 $6.05 62
2018 Q1 9,808,725 $71,796,300 +$1,550,314 $7.32 76
2017 Q4 9,502,761 $95,594,429 +$4,975,352 $10.07 74
2017 Q3 8,731,054 $104,591,942 +$19,081,626 $11.98 64
2017 Q2 7,193,493 $60,710,777 +$2,867,457 $8.44 47
2017 Q1 6,861,702 $37,690,810 +$669,489 $5.50 38
2016 Q4 6,788,229 $28,848,400 -$698,996 $4.25 37
2016 Q3 6,947,961 $34,459,632 +$8,178 $4.96 38
2016 Q2 6,923,525 $41,328,966 -$1,333,554 $5.97 36
2016 Q1 7,160,931 $46,468,135 -$911,184 $6.49 38
2015 Q4 7,257,229 $45,435,060 -$2,779,624 $6.26 41
2015 Q3 7,926,941 $34,081,416 -$1,644,189 $4.30 39
2015 Q2 7,944,407 $82,538,061 +$9,646,277 $10.39 47
2015 Q1 6,909,990 $77,249,680 +$19,602,934 $11.18 50
2014 Q4 5,321,184 $54,038,170 +$1,537,028 $10.20 42
2014 Q3 4,029,990 $43,120,870 +$2,003,999 $10.70 42
2014 Q2 3,828,120 $46,813,293 +$2,602,693 $12.23 44
2014 Q1 3,614,608 $43,770,031 +$11,532,731 $12.17 37