Axcelis Technologies, Inc.

Historical 13F Holders

Symbol
ACLS
CUSIP
054540208
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 054540208 since 12/18/2024, newest first.

Filer % of Class Filed
FMR LLC 13G/A Amendment 2
13.4% 8/6/2026
Event 6/30/2026
Reinhart Partners, LLC. 13G/A Amendment 1 3.0% 7/14/2026
Event 6/30/2026
FMR LLC 13G/A Amendment 1
11.3% 5/7/2026
Event 4/30/2026
FMR LLC 13G
7.9% 5/6/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.3% 4/29/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 8.1% 4/28/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 9 0% 3/26/2026
Event 3/13/2026
Reinhart Partners, LLC. 13G 5.2% 2/12/2026
Event 12/31/2025
American Century Investment Management, Inc. 13G/A Amendment 1
4.3% 11/14/2025
Event 9/30/2025
American Century Investment Management, Inc. 13G
5.2% 8/14/2025
Event 6/30/2025
BlackRock, Inc. 13G/A Amendment 17 15.3% 4/29/2025
Event 3/31/2025
Vanguard Group Inc 13G/A Amendment 8 13.5% 1/30/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 23 1.09 M $143 M
2026 Q2 466 37.7 M $5.91 B
2026 Q1 395 32.6 M $3.03 B
2025 Q4 390 31.3 M $2.52 B
2025 Q3 389 30.6 M $2.98 B
2025 Q2 353 31.9 M $2.22 B
2025 Q1 325 31.1 M $1.54 B
2024 Q4 352 30.9 M $2.16 B
2024 Q3 394 30.5 M $3.19 B
2024 Q2 417 31.5 M $4.47 B
2024 Q1 415 32.0 M $3.57 B
2023 Q4 452 30.9 M $4.00 B
2023 Q3 450 29.8 M $4.85 B
2023 Q2 432 29.5 M $5.41 B
2023 Q1 406 29.2 M $3.87 B
2022 Q4 350 30.5 M $2.41 B
2022 Q3 306 28.5 M $1.73 B
2022 Q2 291 27.7 M $1.52 B
2022 Q1 314 27.5 M $2.08 B
2021 Q4 273 27.7 M $2.06 B
2021 Q3 218 29.1 M $1.37 B
2021 Q2 200 28.9 M $1.17 B
2021 Q1 205 29.2 M $1.20 B
2020 Q4 186 30.4 M $884 M
2020 Q3 187 28.3 M $623 M
2020 Q2 189 28.3 M $788 M
2020 Q1 151 28.8 M $527 M
2019 Q4 148 28.6 M $689 M
2019 Q3 154 26.6 M $455 M
2019 Q2 147 26.9 M $405 M
2019 Q1 154 27.1 M $546 M
2018 Q4 144 28.0 M $499 M
2018 Q3 168 28.4 M $558 M
2018 Q2 174 28.8 M $570 M
2018 Q1 176 28.4 M $699 M
2017 Q4 192 28.7 M $824 M
2017 Q3 159 25.0 M $684 M
2017 Q2 140 24.0 M $502 M
2017 Q1 103 22.7 M $426 M
2016 Q4 91 22.2 M $322 M
2016 Q3 81 20.5 M $272 M
2016 Q2 16 20.5 M $55.2 M
2015 Q3 1 11.7 M $31.2 M