AXCELIS TECHNOLOGIES INC
Total Trades
82
Buys
2
Sells
76
Largest Trade
N/A
Insiders
16
Institutional Funds
313
Inst. Value
$1M+
Activist Filings
17
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| FALLON LYNNETTE C | Executive VP | SELL | $100K–$500K | 4K | $127.67 | Feb 13, 2023 |
| KEITHLEY JOSEPH P | Director | SELL | $500K+ | 6K | $124.52 | Feb 13, 2023 |
| Low Russell | EVP | SELL | $1M+ | 10K | $125.72 | Feb 13, 2023 |
| Titinger Jorge | Director | SELL | $1M+ | 8K | $122.95 | Feb 13, 2023 |
| PUMA MARY G | President and CEO | SELL | $1M+ | 25K | $124.98 | Feb 13, 2023 |
| Lawson Douglas A. | EVP | SELL | $100K–$500K | 2K | $122.47 | Feb 13, 2023 |
| KEITHLEY JOSEPH P | Director | SELL | $50K–$100K | 1K | $86.24 | Dec 14, 2022 |
| KURTZWEIL JOHN T | Director | SELL | $100K–$500K | 3K | $78.42 | Dec 9, 2022 |
| PUMA MARY G | President and CEO | SELL | $100K–$500K | 4K | $80.31 | Dec 8, 2022 |
| PUMA MARY G | President and CEO | SELL | $100K–$500K | 4K | $80.08 | Dec 5, 2022 |
| KEITHLEY JOSEPH P | Director | SELL | $50K–$100K | 1K | $79.00 | Nov 30, 2022 |
| Lawson Douglas A. | EVP | SELL | $15K–$50K | 350 | $76.52 | Nov 28, 2022 |
| PUMA MARY G | President and CEO | SELL | $100K–$500K | 4K | $80.01 | Nov 28, 2022 |
| Bintz William J | EVP | SELL | $500K+ | 8K | $79.24 | Nov 23, 2022 |
| St Dennis Thomas | Director | SELL | $100K–$500K | 3K | $76.66 | Nov 18, 2022 |
| BREWER KEVIN J | CFO | SELL | $500K+ | 7K | $79.26 | Nov 15, 2022 |
| FALLON LYNNETTE C | Executive VP | SELL | $100K–$500K | 4K | $79.00 | Nov 15, 2022 |
| KEITHLEY JOSEPH P | Director | SELL | $100K–$500K | 2K | $74.02 | Nov 14, 2022 |
| Low Russell | EVP | SELL | $500K+ | 8K | $73.64 | Nov 10, 2022 |
| KEITHLEY JOSEPH P | Director | SELL | $100K–$500K | 2K | $79.37 | Aug 25, 2022 |
| BREWER KEVIN J | CFO | SELL | $500K+ | 9K | $75.35 | Aug 15, 2022 |
| FAUBERT RICHARD J | Director | SELL | $1M+ | 15K | $76.28 | Aug 12, 2022 |
| PUMA MARY G | President and CEO | SELL | $1M+ | 13K | $75.94 | Aug 12, 2022 |
| FALLON LYNNETTE C | Executive VP | SELL | $100K–$500K | 4K | $75.50 | Aug 12, 2022 |
| Bintz William J | EVP | SELL | $500K+ | 13K | $71.20 | Aug 12, 2022 |
| Lawson Douglas A. | EVP | SELL | $100K–$500K | 5K | $74.69 | Aug 8, 2022 |
| FALLON LYNNETTE C | Executive VP | SELL | $100K–$500K | 3K | $71.85 | Mar 17, 2022 |
| PUMA MARY G | President and CEO | SELL | $500K+ | 11K | $69.23 | Mar 16, 2022 |
| Lawson Douglas A. | EVP | SELL | $500K+ | 7K | $70.20 | Mar 3, 2022 |
| BREWER KEVIN J | CFO | SELL | $500K+ | 9K | $70.89 | Mar 2, 2022 |
| KEITHLEY JOSEPH P | Director | SELL | $100K–$500K | 3K | $69.05 | Feb 28, 2022 |
| St Dennis Thomas | Director | SELL | $100K–$500K | 3K | $72.81 | Feb 10, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 313 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VICTORY CAPITAL MANAGEMENT INC | 1.8M | $1M+ | SH |
| REINHART PARTNERS, LLC. | 1.6M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 1.2M | $1M+ | SH |
| STATE STREET CORP | 1.2M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 817K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 795K | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 665K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 431K | $1M+ | SH |
| LSV ASSET MANAGEMENT | 430K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 295K | $1M+ | SH |
| Boston Trust Walden Corp | 267K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 221K | $1M+ | SH |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 117K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 212K | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 206K | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 199K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 164K | $1M+ | SH |
| Squarepoint Ops LLC | 154K | $1M+ | SH |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 130K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 116K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 12, 2026
5.2%
1.6M shares
American Century Investment Management, Inc.
SC 13G/A · Nov 14, 2025
4.3%
1.3M shares
American Century Investment Management, Inc.
SC 13G · Aug 14, 2025
5.2%
1.7M shares
SC 13G/A · Apr 29, 2025
15.3%
4.9M shares
SC 13G/A · Jan 31, 2025
13.5%
4.4M shares
SC 13G/A · Nov 8, 2024
16.4%
5.3M shares
SC 13G/A · Oct 18, 2024
16.4%
5.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
12.3%
4.0M shares
SC 13G/A · Jan 19, 2024
18.6%
6.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Apr 10, 2023
10.8%
3.5M shares
SC 13G/A · Feb 10, 2023
5.4%
1.8M shares
SC 13G/A · Jan 26, 2023
16.2%
5.3M shares
SC 13G/A · Jan 20, 2023
16.2%
5.3M shares
SC 13G · Oct 26, 2022
5.1%
1.7M shares
SC 13G/A · Oct 7, 2022
5.0%
1.6M shares
SC 13G/A · Feb 10, 2022
6.3%
2.1M shares
SC 13G/A · Jan 28, 2022
15.0%
5.0M shares