Filing Flows › Axcelis Technologies (ACLS) › Who owns the stock
Who owns Axcelis Technologies (ACLS) stock
405 funds reported Axcelis Technologies (ACLS) shares in their latest 13F filings, worth $5.8B in all. The largest holder is BlackRock ($953M). Last quarter 212 funds added to their stakes and 176 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 5,029,462 | $953M | increase | 2026-06-30 |
| FMR LLC | 4,125,902 | $782M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 2,478,878 | $470M | decrease | 2026-06-30 |
| Vanguard Group | 4,122,529 | $331M | decrease | 2025-12-31 |
| Vanguard Capital Management LLC | 1,386,518 | $263M | increase | 2026-06-30 |
| State Street | 1,231,109 | $233M | increase | 2026-06-30 |
| Victory Capital Management | 1,134,007 | $215M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 833,607 | $158M | increase | 2026-06-30 |
| BNP Paribas Asset Management Holding S.A. | 803,151 | $152M | decrease | 2026-06-30 |
| Dimensional Fund Advisors LP | 709,266 | $134M | decrease | 2026-06-30 |
| Balyasny Asset Management L.P. | 616,196 | $117M | decrease | 2026-06-30 |
| Primecap Management | 610,451 | $116M | decrease | 2026-06-30 |
| Invesco | 527,724 | $100M | increase | 2026-06-30 |
| Charles Schwab Investment Management | 416,230 | $78.9M | decrease | 2026-06-30 |
| Price T Rowe Associates | 394,455 | $74.7M | increase | 2026-06-30 |
Axcelis Technologies' latest quarter
Axcelis Technologies, Q3 2026: revenue $238M (+11% year over year), operating margin 11.5%, net earnings $37.8M, operating cash flow $40.2M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most ACLS stock?
By the latest 13F filings: BlackRock ($953M); FMR LLC ($782M); Vanguard Portfolio Management LLC ($470M); Vanguard Group ($331M); Vanguard Capital Management LLC ($263M).
What is the short interest in ACLS?
1,449,872 shares were sold short at the 2026-10-15 settlement, 0.72% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.