ACLS

AXCELIS TECHNOLOGIES INC

ACLS·054540208·US·Common Stock·Technology - Semiconductor Equipment & Materials-13D/G

ACLS (AXCELIS TECHNOLOGIES INC) is held by 166 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($459.5M), VANGUARD PORTFOLIO MANAGEMENT LLC ($231.6M), FMR LLC ($226.3M). Net institutional sentiment: Mixed. In Q1 2026, 1 member of Congress and 85 funds bought ACLS.

166
Holders
(15 Elite)
$2.7B
Total Value
47% (179)
Consensus
85 buying - 94 selling
13F: Insider & Congress:
ACLS

Smart Money Verdict

View all
Held by 166 funds
15 elite

Who's Trading

ActivistREREINHART PARTNERS, LLC.3.0%Jul 14, 2026
InsiderMJMahoney Robert JohnSell $179KJun 2, 2026
InsiderRGRedinbo GregSell $464KMay 13, 2026
InsiderTJTitinger JorgeSell $328KMay 13, 2026
InsiderMJMahoney Robert JohnSell $364KMay 12, 2026
ActivistFMR LLCFMR LLC11.3%May 7, 2026
CongressDonald J. TrumpDonald J. TrumpBuy $15,001 - $50,000May 29, 2025
CongressDonald J. TrumpDonald J. TrumpSale $50,001 - $100,000Apr 28, 2025
CongressDonald J. TrumpDonald J. TrumpBuy $1,001 - $15,000Apr 10, 2025
CongressDonald J. TrumpDonald J. TrumpBuy $1,001 - $15,000Apr 8, 2025

Top Holders

Fund
Action
Shares
Value
Weight
Est. P&L
Conviction
Increased
4.9M(+2.3%)$459.5M0.0%+103.71%
32
New
2.5M$231.6M0.0%+66.92%
42
Increased
2.4M(+298.1%)$226.3M0.0%+71.15%
49
New
1.4M$128.7M0.0%+66.92%
42
Increased
1.4M(+460.4%)$127M0.2%+68.47%
58
Decreased
1.3M(-29.2%)$119M0.1%+87.65%
0
Increased
1.2M(+0.2%)$110.7M0.0%+13.90%
30
Decreased
1M(-7.8%)$93.6M0.1%+69.73%
0
Decreased
951,914(-22.8%)$88.6M0.0%+67.22%
0
Increased
844,097(+0.4%)$78.6M0.0%+19.86%
30
Decreased
811,264(-11.6%)$75.5M0.0%+132.16%
0
Decreased
658,652(-0.9%)$61.3M0.0%+662.10%
0
Increased
581,636(+66.1%)$54.1M0.0%+25.62%
43
Increased
544,421(+15.8%)$50.7M0.0%+72.98%
34
Decreased
497,624(-21.0%)$46.3M0.0%+100.83%
0
Increased
491,745(+3402.5%)$45.8M0.0%+67.39%
47
Increased
445,769(+3.4%)$41.5M0.0%+96.89%
30
Increased
416,703(+2.9%)$38.8M0.0%+227.39%
30
Decreased
378,525(-11.5%)$35.2M0.3%+55.44%
0
Increased
377,237(+76.8%)$35.1M0.0%+77.46%
44

Showing 1-20 of 186

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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer

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