Axcelis Technologies (ACLS) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $108.35, -5.87% vs the prior close of $115.11.
- Volume 283.07K shares, 0.8x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
ACLS slides 5.9% to $108.35, 5 down days in a row. Closed at $108.35, -5.87% vs the prior close of $115.11. Day range $108.23–$114.26, opened at $112.78.
ACLS daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — ACLS slides 5.9% to $108.35, 5 down days in a row
- Closed at $108.35, -5.87% vs the prior close of $115.11. Day range $108.23–$114.26, opened at $112.78.
- Volume was 283.07K shares, 0.8x its 50-day average of 340.03K.
- Price is -12.5% vs its 50-day average ($123.79) and -11.3% vs its 200-day average ($122.19).
- 52-week range $73.60–$193.78; today's close sits at 29% of that range, 44.1% below the 52-week high.
- That makes 5 straight losses.
Oct 15, 2026 — ACLS dips 3.0% to $115.11, 4 down days in a row
- Closed at $115.11, -2.95% vs the prior close of $118.61. Day range $110.25–$116.81, opened at $113.97.
- Volume was 410.50K shares, 1.2x its 50-day average of 344.18K.
- Price is -7.4% vs its 50-day average ($124.36) and -5.7% vs its 200-day average ($122.05).
- 52-week range $73.60–$193.78; today's close sits at 35% of that range, 40.6% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — ACLS slides 5.0% to $118.61, 3 down days in a row
- Closed at $118.61, -5.02% vs the prior close of $124.88. Day range $118.09–$124.22, opened at $120.70.
- Volume was 264.10K shares, 0.8x its 50-day average of 346.94K.
- Price is -4.9% vs its 50-day average ($124.79) and -2.7% vs its 200-day average ($121.89).
- 52-week range $73.60–$193.78; today's close sits at 37% of that range, 38.8% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — ACLS dips 2.2% to $124.88
- Closed at $124.88, -2.15% vs the prior close of $127.63. Day range $121.88–$126.30, opened at $124.02.
- Volume was 352.00K shares, 1.0x its 50-day average of 348.13K.
- Price is -0.3% vs its 50-day average ($125.21) and +2.6% vs its 200-day average ($121.71).
- 52-week range $73.60–$193.78; today's close sits at 43% of that range, 35.6% below the 52-week high.
Oct 12, 2026 — ACLS slides 5.3% to $127.63
- Closed at $127.63, -5.26% vs the prior close of $134.71. Day range $127.27–$132.69, opened at $132.69.
- Volume was 198.90K shares, 0.6x its 50-day average of 353.78K — lighter than usual.
- Price is +1.8% vs its 50-day average ($125.33) and +5.0% vs its 200-day average ($121.50).
- 52-week range $73.60–$193.78; today's close sits at 45% of that range, 34.1% below the 52-week high.
Oct 9, 2026 — ACLS rises 0.9% to $134.71
- Closed at $134.71, +0.92% vs the prior close of $133.48. Day range $133.45–$138.41, opened at $137.37.
- Volume was 244.00K shares, 0.7x its 50-day average of 355.69K.
- Price is +7.4% vs its 50-day average ($125.39) and +11.1% vs its 200-day average ($121.28).
- 52-week range $73.60–$193.78; today's close sits at 51% of that range, 30.5% below the 52-week high.
Oct 8, 2026 — ACLS slides 3.6% to $133.48, 4 down days in a row
- Closed at $133.48, -3.55% vs the prior close of $138.40. Day range $132.48–$138.48, opened at $135.19.
- Volume was 252.00K shares, 0.7x its 50-day average of 358.63K.
- Price is +6.6% vs its 50-day average ($125.20) and +10.3% vs its 200-day average ($121.02).
- 52-week range $73.60–$193.78; today's close sits at 50% of that range, 31.1% below the 52-week high.
- That makes 4 straight losses.
Oct 7, 2026 — ACLS dips 1.9% to $138.40, 3 down days in a row
- Closed at $138.40, -1.95% vs the prior close of $141.15. Day range $135.85–$139.05, opened at $137.00.
- Volume was 279.00K shares, 0.8x its 50-day average of 365.05K.
- Price is +10.9% vs its 50-day average ($124.77) and +14.6% vs its 200-day average ($120.77).
- 52-week range $73.60–$193.78; today's close sits at 54% of that range, 28.6% below the 52-week high.
- That makes 3 straight losses.
Oct 6, 2026 — ACLS dips 0.8% to $141.15
- Closed at $141.15, -0.82% vs the prior close of $142.31. Day range $140.73–$144.81, opened at $144.42.
- Volume was 197.00K shares, 0.5x its 50-day average of 369.26K — lighter than usual.
- Price is +13.5% vs its 50-day average ($124.40) and +17.2% vs its 200-day average ($120.48).
- 52-week range $73.60–$193.78; today's close sits at 56% of that range, 27.2% below the 52-week high.
Oct 5, 2026 — ACLS slides 3.7% to $142.31
- Closed at $142.31, -3.69% vs the prior close of $147.77. Day range $141.95–$147.91, opened at $147.77.
- Volume was 372.50K shares, 1.0x its 50-day average of 369.08K.
- Price is +14.6% vs its 50-day average ($124.14) and +18.4% vs its 200-day average ($120.18).
- 52-week range $73.60–$193.78; today's close sits at 57% of that range, 26.6% below the 52-week high.
Oct 2, 2026 — ACLS jumps 8.1% to $147.77, a 3-month high, 6 up days in a row
- Closed at $147.77, +8.09% vs the prior close of $136.71. Day range $141.00–$149.95, opened at $143.28.
- Volume was 453.00K shares, 1.2x its 50-day average of 365.43K.
- Price is +19.2% vs its 50-day average ($123.98) and +23.2% vs its 200-day average ($119.90).
- 52-week range $73.60–$193.78; today's close sits at 62% of that range, 23.7% below the 52-week high.
- That makes 6 straight gains.
ACLS latest news & SEC filings
Every SEC filing by or about ACLS in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Redinbo Greg had withheld for taxes 208 shares at $105.04 (≈$21.85K) on Sep 15, 2026; now holds 34,816
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Tatnall Christopher had withheld for taxes 136 shares at $105.04 (≈$14.29K) on Sep 15, 2026; now holds 27,491
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 6, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $215.18M (prior year $194.54M) (+10.6% vs Jun 30, 2025)
- Net income: $23.29M (prior year $31.38M) (-25.8% vs Jun 30, 2025)
- Diluted EPS: $0.75 (prior year $0.98) (-23.5% vs Jun 30, 2025)
Aug 6, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Jul 17, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jul 14, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Things to know before you trade ACLS
- Last results release: Aug 6, 2026 (8-K Item 2.02). Previous ones: May 7, 2026, Feb 17, 2026, Nov 4, 2025. Based on that rhythm, the next report is likely around Nov 5, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 3.35% (largest 8.1%). That is a volatile stock.
- Liquidity: about 329.50K shares (≈$35.70M) trade per day on average.
- 52-week position: $108.35 vs a range of $73.60–$193.78 (29% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 25 sales; latest: Necip Sayiner sold 1,586 shares on Jun 3, 2026.
- Latest filings: 10-Q Aug 6, 2026; 8-K Aug 6, 2026; 10-Q May 8, 2026.
- Share count: 30.88M shares outstanding (Aug 3, 2026), -1.7% vs a year earlier.
- Listing: Nasdaq · industry: Special Industry Machinery, NEC.
ACLS market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 112.78 | 114.26 | 108.23 | 108.35 | 283.07K |
| Oct 15, 2026 | 113.97 | 116.81 | 110.25 | 115.11 | 410.50K |
| Oct 14, 2026 | 120.70 | 124.22 | 118.09 | 118.61 | 264.10K |
| Oct 13, 2026 | 124.02 | 126.30 | 121.88 | 124.88 | 352.00K |
| Oct 12, 2026 | 132.69 | 132.69 | 127.27 | 127.63 | 198.90K |
| Oct 9, 2026 | 137.37 | 138.41 | 133.45 | 134.71 | 244.00K |
| Oct 8, 2026 | 135.19 | 138.48 | 132.48 | 133.48 | 252.00K |
| Oct 7, 2026 | 137.00 | 139.05 | 135.85 | 138.40 | 279.00K |
| Oct 6, 2026 | 144.42 | 144.81 | 140.73 | 141.15 | 197.00K |
| Oct 5, 2026 | 147.77 | 147.91 | 141.95 | 142.31 | 372.50K |
| Oct 2, 2026 | 143.28 | 149.95 | 141.00 | 147.77 | 453.00K |
| Oct 1, 2026 | 133.61 | 137.14 | 130.50 | 136.71 | 402.90K |
| Sep 30, 2026 | 131.81 | 132.69 | 128.57 | 131.18 | 477.50K |
| Sep 29, 2026 | 127.00 | 128.88 | 123.29 | 128.69 | 367.90K |
| Sep 28, 2026 | 123.99 | 124.95 | 120.00 | 124.01 | 321.00K |
| Sep 25, 2026 | 117.88 | 123.38 | 117.22 | 123.11 | 379.00K |
| Sep 24, 2026 | 116.08 | 116.70 | 111.92 | 116.14 | 385.50K |
| Sep 23, 2026 | 115.56 | 118.77 | 111.19 | 118.43 | 402.30K |
| Sep 22, 2026 | 112.95 | 115.87 | 112.95 | 115.74 | 256.90K |
| Sep 21, 2026 | 112.50 | 113.74 | 110.08 | 113.15 | 291.00K |
About Axcelis Technologies
Axcelis Technologies (ACLS) is listed on the Nasdaq and classified by the SEC under “Special Industry Machinery, NEC”. Its business address is in BEVERLY, MA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1113232.
ACLS board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Tzu Yin Chiu | Director | May 18, 2026 |
| Gregory B Graves | Director | May 20, 2026 |
| John T Kurtzweil | Director | May 20, 2026 |
| Russell Low | PRESIDENT AND CEO | May 20, 2026 |
| Jeanne Quirk | Director | May 20, 2026 |
| Necip Sayiner | Director | Jun 4, 2026 |
| Dennis Thomas St | Director | May 26, 2026 |
| Jorge Titinger | Director | May 18, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Gerald M Blumenstock | EVP, Research, Dev. & Eng. | Jun 16, 2026 |
| James Gordon Coogan | EVP AND CFO | Mar 3, 2026 |
| Eileen Evans | EVP, General Counsel and Sec'y | May 22, 2026 |
| Russell Low | PRESIDENT AND CEO | May 20, 2026 |
| Robert John Mahoney | EVP Global Operations | Jun 3, 2026 |
| Greg Redinbo | EVP and Chief Strategy Officer | Sep 16, 2026 |
| David Ryzhik | SVP Interim CFO | Jul 17, 2026 |
| Todd Sutton | VP Corporate Controller | May 28, 2026 |
| Christopher Tatnall | EVP Global Customer Operations | Sep 16, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 3, 2026 | Necip Sayiner | Sale | 1,586 | $157.44 |
| Jun 3, 2026 | Necip Sayiner | Sale | 1,586 | $157.44 |
| Jun 3, 2026 | Necip Sayiner | Sale | 1,586 | $157.44 |
| Jun 3, 2026 | Necip Sayiner | Sale | 1,586 | $157.44 |
| Jun 2, 2026 | Robert John Mahoney | Sale | 1,155 | $155.24 |
| Jun 2, 2026 | Robert John Mahoney | Sale | 1,155 | $155.24 |
| Jun 2, 2026 | Robert John Mahoney | Sale | 1,155 | $155.24 |
| Jun 2, 2026 | Robert John Mahoney | Sale | 1,155 | $155.24 |
| May 27, 2026 | Todd Sutton | Sale | 2,000 | $159.99 |
| May 27, 2026 | Todd Sutton | Sale | 2,000 | $159.99 |
| May 27, 2026 | Todd Sutton | Sale | 2,000 | $159.99 |
| May 27, 2026 | Todd Sutton | Sale | 2,000 | $159.99 |
| May 22, 2026 | Dennis Thomas St | Sale | 900 | $155.37 |
| May 22, 2026 | Dennis Thomas St | Sale | 900 | $155.37 |
| May 22, 2026 | Dennis Thomas St | Sale | 900 | $155.37 |
ACLS financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $839.05M | $120.24M | 3.80 | $118.31M |
| Dec 31, 2024 | $1.02B | $200.99M | 6.15 | $140.82M |
| Dec 31, 2023 | $1.13B | $246.26M | 7.43 | $156.87M |
| Dec 31, 2022 | $920.00M | — | 5.46 | $215.61M |
| Dec 31, 2021 | $662.43M | — | 2.88 | $150.19M |
Latest balance sheet: total assets $1.39B, total liabilities $321.02M, cash $155.00M (as of Jun 30, 2026).
ACLS earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 6, 2026 | 8-K Item 2.02 (results) | $136.66 |
| May 7, 2026 | 8-K Item 2.02 (results) | $158.66 |
| Feb 17, 2026 | 8-K Item 2.02 (results) | $98.50 |
| Nov 4, 2025 | 8-K Item 2.02 (results) | $80.51 |
| Aug 5, 2025 | 8-K Item 2.02 (results) | $78.01 |
| May 6, 2025 | 8-K Item 2.02 (results) | $54.69 |
| Feb 10, 2025 | 8-K Item 2.02 (results) | $67.58 |
| Nov 6, 2024 | 8-K Item 2.02 (results) | $87.95 |
| Jul 31, 2024 | 8-K Item 2.02 (results) | — |
| Jul 9, 2024 | 8-K Item 2.02 (results) | — |
| May 1, 2024 | 8-K Item 2.02 (results) | — |
| Feb 7, 2024 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.