AXCELIS TECHNOLOGIES INC - Common Stock (ACLS)

Historical Holders from Q3 2015 to Q3 2025

Symbol
ACLS on Nasdaq
CUSIP
054540208
Type / Class
Equity / Common Stock
Shares outstanding
31.3M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
30.4M
Holdings value
$2.96B
% of all portfolios
0.004%
Grand Portfolio weight change
0%
Number of holders
352
Number of buys
174
Number of sells
-154
Average Value change %
0%
Average buys %
+0.001%
Average sells %
-0.002%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AXCELIS TECHNOLOGIES INC - Common Stock (ACLS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15.3% $239M 4.91M BlackRock, Inc. Mar 31, 2025
VANGUARD GROUP INC 13.52% $214M 4.4M The Vanguard Group Dec 31, 2024
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 4.3% -18% $131M -$30.6M 1.35M -18.9% American Century Investment Management, Inc. Sep 30, 2025

Institutional Holders of AXCELIS TECHNOLOGIES INC - Common Stock (ACLS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 30.4M $2.96B -$117M $97.64 352
2025 Q2 31.6M $2.2B +$48.3M $69.69 325
2025 Q1 31M $1.54B -$28.9M $49.67 300
2024 Q4 30.9M $2.16B +$14.6M $69.87 319
2024 Q3 29.6M $3.1B -$101M $104.85 362
2024 Q2 30.6M $4.35B +$175M $142.19 382
2024 Q1 29.7M $3.31B +$23.7M $111.52 377
2023 Q4 29.3M $3.8B -$65.8M $129.69 415
2023 Q3 29.3M $4.78B -$57.3M $163.05 417
2023 Q2 29.5M $5.4B +$121M $183.33 404
2023 Q1 29M $3.86B -$18.9K $133.25 379
2022 Q4 29M $2.3B +$83.8M $79.36 318
2022 Q3 28.4M $1.72B +$35.2M $60.56 278
2022 Q2 27.7M $1.52B +$40.5M $54.84 264
2022 Q1 27.1M $2.04B -$32.8M $75.53 277
2021 Q4 27.5M $2.05B -$112M $74.56 245
2021 Q3 29.1M $1.37B +$12M $47.03 198
2021 Q2 28.9M $1.17B -$13.5M $40.42 182
2021 Q1 29.2M $1.2B +$34.1M $41.09 186
2020 Q4 28.5M $829M +$8.92M $29.12 163
2020 Q3 28.3M $623M -$2.93M $22.00 167
2020 Q2 28.3M $788M -$6.24M $27.85 168
2020 Q1 28.7M $525M +$9.94M $18.31 129
2019 Q4 28.1M $678M +$38.9M $24.09 132
2019 Q3 26.6M $455M -$3.06M $17.09 138
2019 Q2 26.9M $405M -$3.17M $15.05 128
2019 Q1 27.1M $546M -$8.72M $20.12 142
2018 Q4 27.7M $493M +$7.45M $17.80 135
2018 Q3 27.1M $532M -$21.8M $19.65 150
2018 Q2 28.2M $559M -$578K $19.80 158
2018 Q1 28.1M $691M -$17.3M $24.60 160
2017 Q4 28.7M $824M +$106M $28.70 174
2017 Q3 25M $684M +$35.4M $27.35 145
2017 Q2 24M $502M +$36.7M $20.95 125
2017 Q1 22.6M $424M +$48.1M $18.80 93
2016 Q4 22M $320M +$7.69M $14.55 83
2016 Q3 20.5M $272M +$655K $13.28 76
2016 Q2 20.4M $55M +$55M $2.69 14
2015 Q4 0 $0 -$31.2M 0
2015 Q3 11.7M $31.2M +$31.2M $2.67 1