Axcelis Technologies, Inc. (ACLS) ownership: Reinhart Partners, LLC 6% · institutions 110% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 4936774.00 | $459.51M | 16.1% | 2026-03-31 |
| Vanguard | 4128168.00 | $384.25M | 13.4% | 2026-03-31 |
| FMR (Fidelity) | 2431121.00 | $226.29M | 7.9% | 2026-03-31 |
| Reinhart Partners, LLC. | 1657745.00 | $154.30M | 5.4% | 2026-03-31 |
| Balyasny | 1364540.00 | $127.01M | 4.4% | 2026-03-31 |
| Victory Capital | 1279005.00 | $119.05M | 4.2% | 2026-03-31 |
| State Street | 1189045.00 | $110.68M | 3.9% | 2026-03-31 |
| BNP Paribas | 1150706.00 | $107.11M | 3.7% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-05-27 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.