AXCELIS TECHNOLOGIES INC - Common Stock (ACLS)

Historical Holders from Q3 2015 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
ACLS on Nasdaq
Shares outstanding
31,296,767
Price per share
$97.64
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
30,368,088
Total reported value
$2,956,440,011
% of total 13F portfolios
0%
Share change
-1,288,398
Value change
-$117,216,083
Number of holders
352
Price from insider filings
$80.34
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AXCELIS TECHNOLOGIES INC - Common Stock (ACLS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% $231,064,526 4,911,042 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 14% $206,838,105 4,396,134 The Vanguard Group 31 Dec 2024
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 4.3% -18% $131,400,104 -$30,629,863 1,345,761 -19% American Century Investment Management, Inc. 30 Sep 2025
As of 30 Sep 2025, AXCELIS TECHNOLOGIES INC - Common Stock (ACLS) has 352 institutional shareholders filing 13F forms. They hold 30,368,088 shares. of 31,296,767 outstanding shares (97%) .

Top 25 institutional shareholders own 76% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
BlackRock, Inc. 16% 4,864,173 -3.1% 0.01% $474,937,860
VANGUARD GROUP INC 13% 4,185,701 -3.2% 0.01% $408,691,845
REINHART PARTNERS, LLC. 5.1% 1,610,332 +6% 5.1% $157,234,081
AMERICAN CENTURY COMPANIES INC 4.3% 1,345,761 -19% 0.07% $131,400,104
STATE STREET CORP 3.9% 1,230,116 -1.5% 0% $120,108,526
VICTORY CAPITAL MANAGEMENT INC 3.1% 972,162 +9.6% 0.06% $90,243,004
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 3% 930,362 +1% 0.24% $90,840,000
GEODE CAPITAL MANAGEMENT, LLC 3% 926,739 +0.15% 0.01% $90,497,584
PRIMECAP MANAGEMENT CO/CA/ 2.7% 833,676 -2.2% 0.06% $81,400,125
DIMENSIONAL FUND ADVISORS LP 2.5% 769,612 +4.6% 0.02% $75,143,347
FMR LLC 1.8% 551,398 +44% 0% $53,838,473
PRICE T ROWE ASSOCIATES INC /MD/ 1.7% 532,108 +0.56% 0.01% $51,956,000
GOLDMAN SACHS GROUP INC 1.6% 494,775 -16% 0.01% $48,309,831
Boston Partners 1.5% 468,741 -1.1% 0.05% $44,903,364
Boston Trust Walden Corp 1.5% 460,287 -46% 0.33% $44,942,423
MORGAN STANLEY 1.5% 454,087 -17% 0% $44,337,210
Grantham, Mayo, Van Otterloo & Co. LLC 1.4% 443,863 +0.41% 0.12% $43,338,783
NORTHERN TRUST CORP 1.4% 434,988 -1.5% 0.01% $42,472,229
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.4% 427,113 +5.1% 0.01% $41,703,313
BANK OF AMERICA CORP /DE/ 1.3% 410,314 -42% 0% $40,063,059
Invesco Ltd. 1.2% 386,735 +177% 0.01% $37,760,806
CITIGROUP INC 1% 324,354 -11% 0.02% $31,669,925
LSV ASSET MANAGEMENT 1% 314,900 0.07% $30,747,000
BNP PARIBAS FINANCIAL MARKETS 0.91% 283,926 0% 0.02% $27,722,535
MILLENNIUM MANAGEMENT LLC 0.84% 261,776 +144% 0.02% $25,559,809

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

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 61,474 $5,021,161 +$2,756,096 $80.34 11
2025 Q3 30,368,088 $2,956,440,011 -$117,216,083 $97.64 352
2025 Q2 31,565,574 $2,202,324,761 +$48,318,424 $69.69 326
2025 Q1 31,029,593 $1,538,370,363 -$28,922,990 $49.67 300
2024 Q4 30,899,664 $2,160,822,323 +$14,423,763 $69.87 319
2024 Q3 29,644,570 $3,104,780,425 -$101,214,546 $104.85 362
2024 Q2 30,593,857 $4,348,616,087 +$174,760,538 $142.19 383
2024 Q1 29,535,048 $3,293,192,312 -$17,446,583 $111.52 378
2023 Q4 255,052 $33,077,694 +$8,556,817 $129.69 4
2023 Q3 29,299,347 $4,777,201,683 -$1,214,364 $163.05 415
2023 Q2 29,090,400 $5,332,691,354 +$36,608,968 $183.33 396
2023 Q1 28,995,696 $3,862,761,989 +$8,662,721 $133.25 374
2022 Q4 29,003,131 $2,301,706,072 +$85,929,376 $79.36 314
2022 Q3 28,239,917 $1,710,269,719 +$43,733,497 $60.56 269
2022 Q2 27,725,392 $1,512,692,588 +$33,140,326 $54.84 257
2022 Q1 26,797,975 $2,024,458,702 -$43,688,663 $75.53 271
2021 Q4 27,539,895 $2,051,958,505 -$111,284,472 $74.56 242
2021 Q3 29,084,776 $1,368,223,666 +$16,525,720 $47.03 200
2021 Q2 28,465,675 $1,150,769,072 -$16,608,946 $40.42 180
2021 Q1 28,996,537 $1,191,555,109 +$33,112,894 $41.09 189
2020 Q4 28,479,314 $829,320,221 +$8,926,503 $29.12 161
2020 Q3 27,772,361 $611,052,760 -$2,596,373 $22.00 160
2020 Q2 28,270,721 $787,329,298 -$6,306,906 $27.85 164
2020 Q1 28,163,122 $515,760,361 +$10,777,297 $18.31 123
2019 Q4 28,109,968 $677,316,898 +$38,894,420 $24.09 126
2019 Q3 26,222,052 $448,187,999 -$2,937,085 $17.09 133
2019 Q2 26,476,401 $398,465,161 +$8,002,518 $15.05 123
2019 Q1 26,697,492 $537,168,109 -$8,611,347 $20.12 138
2018 Q4 26,866,619 $478,242,208 +$15,841,275 $17.80 131
2018 Q3 26,580,434 $522,234,352 -$22,261,699 $19.65 142
2018 Q2 27,723,130 $548,965,936 +$9,627,345 $19.80 152
2018 Q1 27,742,667 $682,402,904 -$22,344,872 $24.60 154
2017 Q4 28,572,910 $820,010,146 +$104,720,315 $28.70 166
2017 Q3 24,955,980 $682,365,894 +$36,037,440 $27.35 139
2017 Q2 23,951,414 $501,774,892 +$36,637,550 $20.95 123
2017 Q1 22,559,522 $423,860,106 +$48,045,000 $18.80 91
2016 Q4 21,992,724 $319,992,702 +$7,694,251 $14.55 82
2016 Q3 20,462,146 $271,735,066 +$654,435 $13.28 76
2016 Q2 20,437,732 $54,978,752 +$54,978,442 $2.69 14
2015 Q4 0 $0 -$31,227,746 $80.34 0
2015 Q3 11,695,785 $31,228,000 +$31,227,746 $2.67 1