Companies / Axcelis Technologies Inc
Axcelis Technologies Inc
Insider flow · last 90 daysNet sells $2.58M
Financials · FY2025
Ownership
30.9M shares outstanding · as of Aug 3, 2026
Ownership
| Insiders | 1.39% | 429,132 |
| 10%+ / strategic | 29.75% | 9,187,834 |
| Institutions | 97.17% | 30,006,280 |
| Public float | 0.00% | 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
View all →| Insider | % of shares | Shares |
|---|---|---|
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
View all →| Holder | Value | % of shares |
|---|---|---|
| $952.83M | 16.29% | |
| $331.20M | 13.35% | |
| $233.18M | 3.99% | |
| $214.84M | 3.67% | |
| $154.30M | 5.37% | |
| $127.01M | 4.42% | |
| $99.11M | 3.99% | |
| $75.53M | 2.63% | |
| $67.57M | 2.72% | |
| $53.42M | 2.15% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Add | Common stock | $104.35M | +1.1M +460.38% | 1,364,540 4.42% of shares | high |
| Q1 2026 as of | Victory Capital Management, Inc. 13F manager | Trim | Common stock | $-49.18M | -528K -29.24% | 1,279,005 4.14% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $38.25M | +202K +4.18% | 5,029,462 16.29% of shares | medium |
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Trim | Common stock | $-27.47M | -145K -11.34% | 1,134,007 3.67% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-23.47M | -292K -71.19% | 118,206 0.38% of shares | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Exit | Common stock | $-17.04M | -212K -100.00% | 0 | medium |
| Q3 2023 as of | Barclays PLC 13F manager | Add | Common stock | $11.91M | +73K +267.05% | 100,409 0.33% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $11.76M | +126K +177.31% | 197,566 0.64% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Reinhart Partners, LLC. | Passive13G | — |
| Fmr LLC | Passive13G/A | — |
| Vanguard Portfolio Management | Passive13G | — |
| Vanguard Capital Management | Passive13G | — |
| Fmr LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| ACLS | — | 054540208 |