Companies / Axcelis Technologies Inc

Axcelis Technologies Inc

Nasdaq: ACLSCIK 1113232BEVERLY, MAaxcelis.com ↗
Insider flow · last 90 daysNet sells $2.58M

Financials · FY2025

Revenue$839.05M
Net income$120.24M
Total debt$13.65M
Cash$155.00M
Diluted EPS$3.80
Shares outstanding30.9M

Ownership

30.9M shares outstanding · as of Aug 3, 2026
1.4%Insiders
Ownership
Insiders1.39%429,132
10%+ / strategic29.75%9,187,834
Institutions97.17%30,006,280
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 16

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Insider% of sharesShares
Low RussellCEOPRESIDENT AND CEO · Director
0.50%154,900
Coogan James GordonEVP AND CFO
0.12%37,144
Redinbo GregEVP MARKETING AND APPLICATIONS
0.11%35,024
Kurtzweil John TDirector
0.11%32,990
Evans EileenEVP, General Counsel and Sec'y
0.10%31,295
Tatnall ChristopherEVP Global Customer Operations
0.09%27,627
Blumenstock Gerald MEVP, Research, Dev. & Eng.
0.06%19,987
St Dennis ThomasDirector
0.06%17,695
Mahoney Robert JohnEVP Global Operations
0.05%14,410
Chiu Tzu YinDirector
0.04%11,843

Institutional holders 383

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HolderValue% of shares
BlackRock, Inc.$952.83M16.29%
Vanguard Group Inc$331.20M13.35%
State Street Corporation$233.18M3.99%
Victory Capital Management, Inc.$214.84M3.67%
Reinhart Partners, LLC.$154.30M5.37%
Balyasny Asset Management L.P.$127.01M4.42%
American Century Companies Inc$99.11M3.99%
Geode Capital Management, LLC$75.53M2.63%
Dimensional Fund Advisors LP$67.57M2.72%
Primecap Management CO/CA$53.42M2.15%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
May 6, 2026Low Russell
CEO
SellCommon Stock$1.17M-7K
-5.70%
123,570
0.40% of shares
medium
May 15, 2026Low Russell
CEO
OtherCommon Stock$576.6K-4K
-2.29%
158,786
0.51% of shares
low
May 19, 2026Kurtzweil John T
Director
SellCommon Stock$485.8K-4K
-9.59%
32,990
0.11% of shares
medium
May 13, 2026Redinbo Greg
Executive
SellCommon Stock$463.7K-3K
-8.81%
29,823
0.10% of shares
medium
Mar 2, 2026Low Russell
CEO
OtherCommon Stock$452.6K-5K
-3.84%
130,928
0.42% of shares
low
May 14, 2026Sutton Todd
Executive
SellCommon Stock$421.9K-3K
-24.77%
7,817
0.03% of shares
medium
May 19, 2026Graves Gregory B
Director
SellCommon Stock$371.2K-3K
-30.18%
6,073
0.02% of shares
medium
May 12, 2026Mahoney Robert John
Executive
SellCommon Stock$363.5K-2K
-15.04%
12,759
0.04% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Reinhart Partners, LLC.Passive13G—1,589,898—
Fmr LLCPassive13G/A—3,479,256—
Vanguard Portfolio ManagementPassive13G—2,501,359—
Vanguard Capital ManagementPassive13G—1,617,321—
Fmr LLCPassive13G—2,431,121—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ACLS——054540208—