AXCELIS TECHNOLOGIES INC (ACLS) Stock Ownership

NASDAQ:ACLS • US0545402085

Current stock price

139.91 USD
+6.3 (+4.72%)
Last:

ACLS Ownership information

ACLS Ownership Chart.ACLS Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ACLS Ownership.InsiderInstitutional



Shares Outstanding30.73M
Float30.54M
Float Short Interest Percentage11.47%
Owners (insider)0.56%
Owners (institutional)108.05%
Owners (insider) change-2.17%
Owners (institutional) change0.18%
ACLS Institutional Ownership HistoryACLS Institutional Ownership HistoryACLS Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 Mar 2026 10M 20M 30M
ACLS Historical Insider Transactions ChartACLS Historical Insider Buy and Sell Transactions ChartACLS Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 50K 100K 150K
DateNameTypeSharesPriceAmount
Apr 20, 2026Tatnall ChristopherOption Excercise907131.02$ 118,835.14
Apr 1, 2026Low RussellOpen Market Sale124494.06$ 117,010.64
Mar 24, 2026Low RussellOpen Market Sale124490.00$ 111,960.00
Mar 2, 2026Mahoney Robert JohnOption Excercise57386.58$ 49,610.34
Mar 2, 2026Blumenstock Gerald MOption Excercise112186.58$ 97,056.18
Mar 2, 2026Tatnall ChristopherOption Excercise112186.58$ 97,056.18
Mar 2, 2026Low RussellOption Excercise522786.58$ 452,553.66
Mar 2, 2026Redinbo GregOption Excercise72386.58$ 62,597.34
Mar 2, 2026COOGAN JAMES GORDONOption Excercise180086.58$ 155,844.00
Feb 20, 2026Titinger JorgeOpen Market Sale100080.00$ 80,000.00
Jan 15, 2026Mahoney Robert JohnGrant17340.00$ 0.00
Dec 17, 2025Titinger JorgeOpen Market Sale200086.05$ 172,100.00
Dec 16, 2025Evans EileenOption Excercise137886.32$ 118,948.96
Dec 11, 2025Blumenstock Gerald MOpen Market Sale303489.46$ 271,421.64
Oct 16, 2025COOGAN JAMES GORDONOption Excercise71383.62$ 59,621.06
Sep 15, 2025Tatnall ChristopherOption Excercise13787.30$ 11,960.10
Sep 15, 2025Redinbo GregOption Excercise20887.30$ 18,158.40
Jun 16, 2025Blumenstock Gerald MOption Excercise50668.96$ 34,893.76
Jun 16, 2025Redinbo GregOption Excercise73468.96$ 50,616.64
May 20, 2025KURTZWEIL JOHN TOpen Market Sale168261.93$ 104,166.26
May 16, 2025Redinbo GregOption Excercise19061.58$ 11,700.20
May 16, 2025Low RussellOption Excercise165961.83$ 102,568.43
May 15, 2025Blumenstock Gerald MOption Excercise34562.67$ 21,621.15
May 15, 2025Evans EileenGrant143440.00$ 0.00
May 15, 2025Chiu Tzu YinGrant35860.00$ 0.00
May 15, 2025Sayiner NecipGrant35860.00$ 0.00
May 15, 2025GRAVES GREGORY BGrant35860.00$ 0.00
May 15, 2025Quirk JeanneGrant35860.00$ 0.00
May 15, 2025St Dennis ThomasGrant35860.00$ 0.00
May 15, 2025Titinger JorgeGrant35860.00$ 0.00
May 15, 2025KURTZWEIL JOHN TGrant35860.00$ 0.00
May 15, 2025Tatnall ChristopherGrant122960.00$ 0.00
May 15, 2025Tatnall ChristopherOption Excercise51562.67$ 32,275.05
May 15, 2025COOGAN JAMES GORDONGrant245900.00$ 0.00
May 15, 2025COOGAN JAMES GORDONOption Excercise57462.67$ 35,972.58
May 15, 2025Redinbo GregGrant122960.00$ 0.00
May 15, 2025Redinbo GregOption Excercise38662.67$ 24,190.62
May 15, 2025Low RussellGrant614760.00$ 0.00
May 15, 2025Low RussellOption Excercise317562.67$ 198,977.25
May 15, 2025Blumenstock Gerald MGrant122960.00$ 0.00