ACLS AXCELIS TECHNOLOGIES INC

Ownership history in Pacer Advisors, Inc.  ·  16 quarters on record

AI Ownership Summary

Pacer Advisors, Inc. reported AXCELIS TECHNOLOGIES INC (ACLS) in 16 quarterly 13F filings from 2023 Q3 through 2025 Q3. Peak portfolio weight reached 0.12% in 2024 Q4. The latest visible filing shows ACLS at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this ACLS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Pacer Advisors, Inc.'s position in AXCELIS TECHNOLOGIES INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

ACLS was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.12% in 2024 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Pacer Advisors, Inc. held ACLS — position size vs. price
% of Fund (quarterly)    ACLS price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 4,485 -102,037 -95.8% 0.00% $438K 2025-10-15 $83.77
2025 Q2 REDUCED 106,522 -54,959 -34.0% 0.02% $7.4M 2025-08-12 $81.32
2025 Q1 REDUCED 161,481 -620,674 -79.4% 0.02% $8.0M 2025-05-06 $54.69
2024 Q4 ADDED 782,155 +781,154 +78037.4% 0.12% $54.6M 2025-01-22 $70.58
2024 Q3 ADDED 1,001 +629 +169.1% 0.00% $105K 2024-11-12 $82.73
2024 Q2 ADDED 372 +163 +78.0% 0.00% $53K 2024-08-13 $112.66
2024 Q1 ADDED 209 +65 +45.1% 0.00% $23K 2024-05-10 $113.79
2023 Q4 REDUCED 144 -126 -46.7% 0.00% $19K 2024-01-16 $119.63
2023 Q3 REDUCED 270 -177 -39.6% 0.00% $44K 2023-11-13 $129.39
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Pacer Advisors, Inc. and ACLS

These are the practical questions this page is built to answer before you even open the full history table.

How long has Pacer Advisors, Inc. reported owning ACLS?

Pacer Advisors, Inc. reported ACLS across 9 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

What was the largest reported ACLS position in Pacer Advisors, Inc.'s portfolio?

The largest reported portfolio weight for ACLS was 0.12% in 2024 Q4.

What is the latest reported ACLS position on this page?

The most recent filing on this page is 2025 Q3, when Pacer Advisors, Inc. reported 4,485 shares, equal to 0.00% of portfolio, with an estimated market value of $438K.

What does the chart on this ACLS ownership page compare?

The chart compares Pacer Advisors, Inc.'s quarterly ACLS portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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