# AXCELIS TECHNOLOGIES INC (ACLS) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 054540208
Page URL: https://superinvestorclub.com/stock/ACLS
Last updated: 2026-07-08T13:33:26.276Z

## Summary

As of the most recent 13F filing period, AXCELIS TECHNOLOGIES INC (ACLS) is held by 1 tracked superinvestors with an aggregate position value of $772,657 representing 08301 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 8301 | $772,657 | 0.00% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-06-30: 1 holders, $4.2M aggregate, 029493 shares
- 2024-09-30: 1 holders, $2.0M aggregate, 019045 shares
- 2024-12-31: 1 holders, $955,682 aggregate, 013678 shares
- 2025-09-30: 1 holders, $217,151 aggregate, 02224 shares
- 2026-03-31: 1 holders, $772,657 aggregate, 08301 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "AXCELIS TECHNOLOGIES INC (ACLS) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/ACLS), aggregating SEC 13F, Form 4, and congressional disclosures."