Information Technology · Special Industry Machinery, NEC

ACLS AXCELIS TECHNOLOGIES INC SEC Filings & Insider Trading Activity 2026

company
CIK 1113232140 filings
Russell 2000

ACLS at a glance

AXCELIS TECHNOLOGIES INC (ACLS, SEC CIK 1113232) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 6, 2026 and Form 4 insider filings as recently as September 16, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), AXCELIS TECHNOLOGIES INC (ACLS) reported revenue of $839.0 million (down 17.6% from FY2024) and net income of $120.2 million. Diluted EPS was $3.80.
  • As of June 30, 2026, 32 institutional investment managers tracked by SignalX reported holding AXCELIS TECHNOLOGIES INC (ACLS) shares worth $3.4 billion in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Sayiner Necip on June 3, 2026 of 1,586 shares at $157.44 per share.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$839.0M
−17.6% vs prior year
Insiders · 90 days
0 buys · 0 sells
No open-market trades
13F holders
32 funds
$3.4B · +2 vs prior quarter
Latest 8-K
Aug 6, 2026
Item 2.02

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Business Overview

  • Core business: manufacturer of ion implantation and processing equipment for semiconductor chip fabrication plus aftermarket services
  • No new products or segments introduced; emphasis on systems revenue of $571M in 2025, comprising major portion of total $839M revenue
  • Strategic shift: reclassification of holdings, selling $199.5M of securities from held-to-maturity to available-for-sale, impacting short-term investments
  • Key metric: net income declined to $120.2M in 2025 from $201.0M in 2024; employee share count down to 30,717K from 32,365K
  • Noteworthy fact: sale and reclassification of investment securities in 2025 caused related adjustments to accumulated other comprehensive loss

Risk Factors

  • U.S. export controls tightening since 2020 on shipments to Chinese chipmakers, including SMIC on the Entity List, threaten 76.0% of system revenue from Asia
  • Geopolitical risk from China-U.S. trade tensions with Chinese customers representing significant revenue, exposing 83.7% of total revenue to potential restrictions
  • Supply chain dependence on limited vendors risks delays, cost increases, and potential lost sales due to component shortages or inability to adjust inventory promptly
  • Competition threat from non-U.S. vendors like Advanced Ion Beam Technology and emerging Chinese entities Kingstone Semiconductor and CETC Electronics Equipment Group
  • Customer concentration risk with top 10 customers accounting for 55.2% of net sales in 2025, none under long-term purchase agreements

Management Discussion & Analysis

  • Revenue $839.0M in 2025, down 17.6% YoY from $1,017.9M; product revenue $792.0M (-18.9%), services $47.0M (+14.7%)
  • Gross margin slightly up at 44.9% vs 44.7% in 2024; product gross margin 47.9% vs 46.3%, services margin -5.1% vs 5.4%
  • Best segment: product revenue $792.0M with 47.9% margin; worst segment: services revenue $47.0M with negative margin -5.1%
  • Operating expenses rose to 30.7% of revenue vs 24.0% due to R&D (13.0% vs 10.4%), G&A (9.9% vs 6.9%); operating income down to 14.2% from 20.7%
  • Cash from operations $118.3M; capex $11.3M; stock repurchase $121.1M; cash and equivalents $145.5M; forecasted 2026 capex ~$18M
  • Management cautious due to semiconductor capital spending cyclicality; continuing investment in innovation and aftermarket growth; no significant liquidity concerns

AI summary of the ACLS 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Management Discussion & Analysis

  • Quarterly revenue $215.2M, up 10.6% YoY from $194.5M, driven primarily by Aftermarket sales
  • Gross margin 42.4% vs 44.9% YoY; net margin 10.7% vs 16.1%
  • Best performer Services revenue $14.7M, up 31.8% YoY; services gross margin (15.7)% vs (5.4)%
  • Aftermarket revenue $82.8M vs $61.3M YoY; systems revenue $132.4M vs $133.2M
  • Operating cash flow $36.5M vs $79.5M; cash, short-term investments, and long-term investments totaled $577.0M
  • Near-term outlook: Veeco merger expected in second half of 2026, pending China regulatory approval; tariff and semiconductor-industry uncertainty headwinds

Risk Factors

  • No material changes to 2025 Form 10-K risk factors as of June 30, 2026
  • Carried-forward risks remain the principal regulatory, operational, competitive, and market exposures
  • Share repurchase authorization leaves $110 million available, representing ongoing capital-allocation and liquidity risk
  • Executive trading-plan activity: up to 1,832 shares sale authorized through December 31, 2026

AI summary of the ACLS 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Aug 6, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Q2 2026 results for quarter ended June 30, 2026
  • Press release issued August 6, 2026

Item EX-99.1: Item EX-99.1

  • Q2 revenue $215.2M, up from $194.5M, driven by stronger system shipments and CS&I aftermarket volume
  • GAAP diluted EPS $0.75 versus $0.98, while non-GAAP EPS reached $1.06 versus $1.13
Filed May 7, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Q1 2026 results covered quarter ended March 31, 2026
  • Press release issued May 7, 2026
Filed May 6, 2026Full analysis →

Item 5.07: Submission of Matters to a Vote of Security Holders

  • Strong 90.24% turnout, with 27,730,608 of 30,729,970 eligible shares represented
  • All eight director nominees elected, with support ranging from 88.16% to 98.73% of votes cast

AI summaries of ACLS 8-K current reports filed with the SEC. What 8-K item codes mean

SignalX for ACLS

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  • Fund moves. Which tracked funds opened, added or cut ACLS, by share count.
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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Tatnall ChristopherFSep 15, 2026$105.04
Redinbo GregFSep 15, 2026$105.04
Ryzhik DavidFJul 15, 2026$145.01
Ryzhik DavidFJul 15, 2026$145.01
Ryzhik DavidFJun 16, 2026$176.84
Blumenstock Gerald MFJun 15, 2026$191.60
Sayiner NecipSellJun 3, 2026$157.44
Mahoney Robert JohnSellJun 2, 2026$155.24

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue-$1.0B$839.0M
Gross Profit-$454.7M$376.8M
Operating Income-$210.8M$119.3M
Net Income-$201.0M$120.2M
Gross Margin-44.7%44.9%
Op. Margin-20.7%14.2%
Net Margin-19.7%14.3%
Balance Sheet
Total Assets$1.3B$1.3B$1.4B
Equity$864.9M$1.0B$1.0B
ROE-19.8%11.6%
Per Share
EPS-$6.15$3.80
Cash Flow
Operating CF-$140.8M$118.3M
CapEx-$12.2M$11.3M

Source: XBRL data in AXCELIS TECHNOLOGIES INC (ACLS)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate ACLS share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
ACLS shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202632$3.45B
Q1 202630$1.59B
Q4 202529$1.29B
Q3 202529$1.61B
Q2 202529$1.17B
Q1 202527$535.1M
Q4 202424$611.4M
Q3 202422$450.4M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 222 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

ACLS filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Sep 16, 2026--
4Sep 16, 2026--
8-KAug 6, 2026Analysis-
10-QAug 6, 2026Analysis
4Jul 17, 2026--
4Jun 17, 2026--
4Jun 16, 2026--
4Jun 4, 2026-
4Jun 3, 2026-
4May 28, 2026-
4May 26, 2026-
4May 22, 2026-
4May 22, 2026-
4May 21, 2026-
4May 20, 2026-
4May 20, 2026-
4May 20, 2026-
4May 20, 2026-
4May 20, 2026-
4May 20, 2026-
4May 20, 2026-
4May 19, 2026-
4May 19, 2026-
4May 19, 2026-
4May 19, 2026-

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ACLS SEC filings: frequently asked questions

Which institutions hold ACLS stock?

As of June 30, 2026, the largest AXCELIS TECHNOLOGIES INC (ACLS) holders among the 13F filers tracked by SignalX were BlackRock ($952.8 million), FMR LLC (Fidelity) ($781.7 million), Vanguard Portfolio Management LLC ($469.6 million), Vanguard Capital Management LLC ($262.7 million), State Street Corp ($233.2 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was ACLS's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), AXCELIS TECHNOLOGIES INC (ACLS) reported revenue of $839.0 million (down 17.6% from FY2024) and net income of $120.2 million. Diluted EPS was $3.80. The figures come from the XBRL data in the 10-K.

What are the main risks in ACLS's latest 10-K?

In the 10-K filed February 26, 2026, AXCELIS TECHNOLOGIES INC (ACLS) flagged: U.S. export controls tightening since 2020 on shipments to Chinese chipmakers, including SMIC on the Entity List, threaten 76.0% of system revenue from Asia. Geopolitical risk from China-U.S. trade tensions with Chinese customers representing significant revenue, exposing 83.7% of total revenue to potential restrictions. (AI summary of the Risk Factors section.)

What did ACLS report in its latest 8-K?

AXCELIS TECHNOLOGIES INC (ACLS) filed an 8-K on August 6, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Q2 2026 results for quarter ended June 30, 2026.

What are the latest ACLS SEC filings?

AXCELIS TECHNOLOGIES INC (ACLS) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 6, 2026 and a Form 4 insider filing on September 16, 2026.

What is ACLS's SEC CIK number?

AXCELIS TECHNOLOGIES INC (ACLS)'s SEC Central Index Key (CIK) is 1113232. EDGAR lists every ACLS filing under that number.

Ask anything about ACLS

The research agent reads ACLS's filings, financials, insider trades and 13F holders, then answers with sources.