Axcelis Technologies Inc (ACLS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ACLS. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 431 institutions reported holding ACLS, with 30.9 million shares worth $5.8 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 5,029,462 | $953M | INCREASED |
| Vanguard | 4,145,552 | $785M | INCREASED |
| FMR | 4,125,902 | $782M | INCREASED |
| State Street | 1,231,109 | $233M | INCREASED |
| Victory Capital Management | 1,134,007 | $215M | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Christopher Tatnall (EVP Global Customer Operations) | TAX-W | 136 | $14K | 2026-09-15 |
| Greg Redinbo (EVP and Chief Strategy Officer) | TAX-W | 208 | $22K | 2026-09-15 |
Full institutional holdings, insider history, and congressional trades for Axcelis Technologies Inc on SentiSense.