AXCELIS TECHNOLOGIES INC ACLS
COM NEW · Common Stock · CUSIP 054540208 · ISIN US0545402085
Engages in the design, manufacture, and servicing of capital equipment for the semiconductor manufacturing industry
- SectorIndustrials
- IndustrySpecial Industry Machinery, NEC
- HeadquartersBeverly, MA
- Founded1995
- Websiteaxcelis.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.4m this quarter). Holder counts are more reliable. Shares outstanding: 32.8m as of 2023-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $183.07. Options: 17 managers hold calls ($86.4m notional), 16 hold puts ($53.6m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 287 |
| Q4 2022 | 328 |
| Q1 2023 | 379 |
| Q2 2023 | 406 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 150 | 148 |
| Q1 2023 | 192 | 172 |
| Q2 2023 | 187 | 210 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $31.3m | $8.1m | 0.26 |
| Q4 2022 | $16.7m | $6.3m | 0.38 |
| Q1 2023 | $31.7m | $35.6m | 1.12 |
| Q2 2023 | $86.4m | $53.6m | 0.62 |
Biggest buyers
| VANGUARD GROUP INC | Added | +460.6k |
| Allspring Global Investments Holdings, LLC | Added | +233.7k |
| Whale Rock Capital Management LLC | Added | +223.2k |
| NORGES BANK | Added | +164.6k |
| Man Group plc | New | +153.8k |
| GOLDMAN SACHS GROUP INC | Added | +149.0k |
| MILLENNIUM MANAGEMENT LLC | Added | +121.2k |
| BlackRock Inc. | Added | +98.5k |
| Aberdeen Group plc | New | +86.9k |
| PRUDENTIAL FINANCIAL INC | Added | +85.1k |
Biggest sellers
| FMR LLC | Reduced | -997.9k |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -277.4k |
| LSV ASSET MANAGEMENT | Reduced | -201.2k |
| Assenagon Asset Management S.A. | Reduced | -176.9k |
| AMERIPRISE FINANCIAL INC | Reduced | -166.5k |
| CITADEL ADVISORS LLC | Reduced | -142.1k |
| ENVESTNET ASSET MANAGEMENT INC | Reduced | -129.6k |
| NEUMEIER POMA INVESTMENT COUNSEL LLC | Reduced | -116.1k |
| PRIMECAP MANAGEMENT CO/CA/ | Reduced | -88.1k |
| Man Group plc | Sold out | -87.7k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $19.9m108.3k shares |
| PEAK6 Investments LLC | Added | $13.9m75.9k shares |
| JANE STREET GROUP, LLC | Added | $13.7m75.0k shares |
| CITADEL ADVISORS LLC | Added | $8.7m47.4k shares |
| D. E. Shaw & Co., Inc. | Added | $6.8m36.9k shares |
| Cubist Systematic Strategies, LLC | Reduced | $5.8m31.8k shares |
| Walleye Trading LLC | Added | $5.2m28.3k shares |
| Walleye Capital LLC | Added | $3.3m18.0k shares |
| TWO SIGMA SECURITIES, LLC | Added | $2.6m14.1k shares |
| SIMPLEX TRADING, LLC | Added | $2.5m13.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $18.1m98.8k shares |
| CITADEL ADVISORS LLC | Reduced | $9.9m53.8k shares |
| Cubist Systematic Strategies, LLC | Added | $5.1m27.8k shares |
| JANE STREET GROUP, LLC | Added | $4.0m21.9k shares |
| D. E. Shaw & Co., Inc. | New | $3.9m21.1k shares |
| Walleye Trading LLC | Reduced | $2.7m14.8k shares |
| TWO SIGMA SECURITIES, LLC | Added | $2.6m14.2k shares |
| Walleye Capital LLC | Added | $2.4m13.0k shares |
| SIMPLEX TRADING, LLC | Added | $1.7m9.5k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $1.7m9.2k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-29 | 15.3% |
| FMR LLC 13G · institution +2.1 pts · filed 2026-08-06 | 13.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-28 | 8.1% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.3% |
Fell to 5% or below in the last year: REINHART PARTNERS, LLC. (3.0%, 2026-07-14), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), AMERICAN CENTURY INVESTMENT MANAGEMENT INC (4.3%, 2025-11-14)
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 5 | $965.0k | — |
| Q1 2022 | 0 | — | 6 | $2.5m | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 6 | $4.3m | — |
| Q4 2022 | 0 | — | 9 | $3.8m | — |
| Q1 2023 | 0 | — | 8 | $8.5m | — |
| Q2 2023 | 0 | — | 10 | $26.1m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-06-12 | PUMA MARY G Executive Chairperson, director | Sold | $2.1m11.8k shares |
| 2023-06-12 | Quirk Jeanne Director | Sold | $159.7k900 shares |
| 2023-06-12 | KEITHLEY JOSEPH P Director | Sold | $90.9k500 shares |
| 2023-06-09 | Lawson Douglas A. EVP, Corporate Mktg & Strategy | Sold | $70.0k400 shares |
| 2023-06-08 | Low Russell President and CEO, director | Sold | $608.5k3.5k shares |
| 2023-06-07 | PUMA MARY G Executive Chairperson, director | Sold | $3.8m21.7k shares |
| 2023-06-07 | FALLON LYNNETTE C Executive VP, HR/Legal | Sold | $273.6k1.6k shares |
| 2023-06-07 | KEITHLEY JOSEPH P Director | Sold | $173.0k1.0k shares |
| 2023-06-06 | KEITHLEY JOSEPH P Director | Sold | $163.5k1.0k shares |
| 2023-05-26 | Lawson Douglas A. EVP, Corporate Mktg & Strategy | Sold | $30.6k200 shares |
| 2023-05-25 | PUMA MARY G Executive Chairperson, director | Sold | $3.0m19.7k shares |
| 2023-05-25 | Low Russell President and CEO, director | Sold | $762.6k5.0k shares |
| 2023-05-25 | BREWER KEVIN J EVP & Chief Financial Officer | Sold | $342.3k2.3k shares |
| 2023-05-25 | FALLON LYNNETTE C Executive VP, HR/Legal | Sold | $286.3k1.9k shares |
| 2023-05-25 | KEITHLEY JOSEPH P Director | Sold | $152.2k1.0k shares |
| 2023-05-19 | Lawson Douglas A. EVP, Corporate Mktg & Strategy | Sold | $79.7k550 shares |
| 2023-05-18 | PUMA MARY G Executive Chairperson, director | Sold | $1.2m8.6k shares |
| 2023-05-18 | Lawson Douglas A. EVP, Corporate Mktg & Strategy | Sold | $663.4k4.7k shares |
| 2023-05-18 | KURTZWEIL JOHN T Director | Sold | $372.9k2.7k shares |
| 2023-05-18 | FALLON LYNNETTE C Executive VP, HR/Legal | Sold | $341.1k2.4k shares |
| 2023-05-18 | KEITHLEY JOSEPH P Director | Sold | $284.9k2.0k shares |
| 2023-05-17 | Redinbo Greg EVP Marketing and Applications | Sold | $135.0k1.0k shares |
| 2023-05-17 | KEITHLEY JOSEPH P Director | Sold | $134.5k1.0k shares |
| 2023-05-16 | Chiu Tzu Yin Director | Sold | $1.9m15.0k shares |
| 2023-05-16 | Low Russell President and CEO, director | Sold | $1.1m8.3k shares |
| 2023-05-16 | BREWER KEVIN J EVP & Chief Financial Officer | Sold | $851.1k6.5k shares |
| 2023-05-16 | FALLON LYNNETTE C Executive VP, HR/Legal | Sold | $534.9k4.1k shares |
| 2023-05-16 | KEITHLEY JOSEPH P Director | Sold | $131.0k1.0k shares |
| 2023-05-15 | KEITHLEY JOSEPH P Director | Sold | $378.2k3.0k shares |
| 2023-05-11 | PUMA MARY G Executive Chairperson, director | Sold | $2.7m21.7k shares |
The latest 30 of 33 trades.
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.03% of their portfolio | 5.5m $1.0bn | Added +98.5k |
| VANGUARD GROUP INC 0.02% of their portfolio | 4.0m $730.5m | Added +460.6k |
| STATE STREET CORP 0.01% of their portfolio | 1.1m $206.0m | Added +17.8k |
| FMR LLC 0.02% of their portfolio | 1.1m $198.6m | Reduced -997.9k |
| PRIMECAP MANAGEMENT CO/CA/ 0.17% of their portfolio | 1.1m $197.5m | Reduced -88.1k |
| DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio | 941.1k $172.5m | Reduced -86.5k |
| Invesco Ltd. 0.04% of their portfolio | 829.0k $152.0m | Added +80.6k |
| Driehaus Capital Management LLC 1.73% of their portfolio | 746.5k $136.9m | Added +17.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 713.5k $130.8m | Added +75.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.02% of their portfolio | 630.1k $115.5m | Reduced -277.4k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.14% of their portfolio | 616.4k $113.0m | Added +8.6k |
| GOLDMAN SACHS GROUP INC 0.03% of their portfolio | 543.5k $99.6m | Added +149.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 489.7k $89.8m | Reduced -25.7k |
| Whale Rock Capital Management LLC 1.50% of their portfolio | 474.4k $87.0m | Added +223.2k |
| Hood River Capital Management LLC 2.58% of their portfolio | 472.4k $86.6m | Added +67.5k |
| MORGAN STANLEY 0.01% of their portfolio | 401.5k $73.6m | Added +15.4k |
| AMERIPRISE FINANCIAL INC 0.02% of their portfolio | 400.7k $73.5m | Reduced -166.5k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 384.8k $70.5m | Added +6.1k |
| NORGES BANK 0.01% of their portfolio | 352.7k $64.7m | Added +164.6k |
| PRUDENTIAL FINANCIAL INC 0.08% of their portfolio | 315.5k $57.8m | Added +85.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 311.5k $57.1m | Reduced -13.2k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 308.0k $56.5m | Added +24.0k |
| Senvest Management, LLC 1.50% of their portfolio | 247.8k $45.4m | Reduced -35.0k |
| OBERWEIS ASSET MANAGEMENT INC/ 5.36% of their portfolio | 240.4k $44.1m | Reduced -31.6k |
| Allspring Global Investments Holdings, LLC 0.07% of their portfolio | 238.9k $43.8m | Added +233.7k |
| MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio | 218.3k $40.0m | Added +121.2k |
| PRINCIPAL FINANCIAL GROUP INC 0.03% of their portfolio | 215.4k $39.5m | Added +7.7k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.21% of their portfolio | 206.2k $37.8m | Added +22.0k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 179.8k $33.0m | Added +5.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 174.9k $32.1m | Added +66.8k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.18% of their portfolio | 169.6k $31.1m | Reduced -38.3k |
| PUTNAM INVESTMENTS LLC 0.04% of their portfolio | 158.6k $29.1m | Added +13.2k |
| Man Group plc 0.09% of their portfolio | 153.8k $28.2m | New |
| VICTORY CAPITAL MANAGEMENT INC 0.03% of their portfolio | 153.5k $28.1m | Added +3.1k |
| NEUMEIER POMA INVESTMENT COUNSEL LLC 2.39% of their portfolio | 142.2k $26.1m | Reduced -116.1k |
| AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio | 133.0k $24.4m | Reduced -1.6k |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.11% of their portfolio | 130.5k $23.9m | Reduced -5.8k |
| UBS Group AG 0.01% of their portfolio | 125.7k $23.0m | Reduced -34.8k |
| Allianz Asset Management GmbH 0.04% of their portfolio | 117.8k $21.6m | Reduced -7.5k |
| FIRST TRUST ADVISORS LP 0.02% of their portfolio | 116.4k $21.3m | Reduced -365 |
| VOYA INVESTMENT MANAGEMENT LLC 0.02% of their portfolio | 109.3k $20.0m | Added +17.3k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.06% of their portfolio | 103.8k $19.0m | Reduced -23.5k |
| ROYCE & ASSOCIATES LP 0.18% of their portfolio | 99.7k $18.3m | Reduced -54.9k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.04% of their portfolio | 94.8k $17.4m | Reduced -1.1k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 94.7k $17.4m | Reduced -1.6k |
| Legal & General Group Plc 0.01% of their portfolio | 93.2k $17.1m | Reduced -2.1k |
| Amundi 0.01% of their portfolio | 90.6k $16.5m | Reduced -18.9k |
| Aberdeen Group plc 0.04% of their portfolio | 86.9k $15.9m | New |
| SEI INVESTMENTS CO 0.03% of their portfolio | 80.3k $14.7m | Added +21.7k |
| Swiss National Bank 0.01% of their portfolio | 71.3k $13.1m | Added +400 |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 68.5k $12.6m | Added +18.2k |
| PARADIGM CAPITAL MANAGEMENT INC/NY 0.67% of their portfolio | 64.0k $11.7m | Unchanged |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 63.4k $11.6m | Added +692 |
| Lisanti Capital Growth, LLC 1.59% of their portfolio | 62.4k $11.4m | Reduced -34.2k |
| Russell Investments Group, Ltd. 0.02% of their portfolio | 62.3k $11.4m | Added +1.8k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.02% of their portfolio | 61.5k $11.3m | Added +46.2k |
| Pier Capital, LLC 1.56% of their portfolio | 59.2k $10.9m | Added +115 |
| Public Sector Pension Investment Board 0.08% of their portfolio | 58.1k $10.6m | Added +419 |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 58.1k $10.6m | Reduced -10.9k |
| AXA S.A. 0.03% of their portfolio | 54.4k $10.0m | Reduced -3.7k |
| Redwood Investments, LLC 1.21% of their portfolio | 54.1k $9.9m | New |
| CANADA LIFE ASSURANCE Co 0.02% of their portfolio | 49.8k $9.2m | Added +8.0k |
| California Public Employees Retirement System 0.01% of their portfolio | 48.2k $8.8m | Added +12.2k |
| AQR CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 45.9k $8.4m | Added +24.6k |
| Twin Tree Management, LP 0.17% of their portfolio | 44.9k $8.2m | New |
| Penbrook Management LLC 5.93% of their portfolio | 44.6k $8.2m | Reduced -2.7k |
| LSV ASSET MANAGEMENT 0.02% of their portfolio | 44.4k $8.1m | Reduced -201.2k |
| CREDIT SUISSE AG/ 0.01% of their portfolio | 43.7k $8.0m | Added +4.6k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 43.7k $8.0m | Reduced -7.9k |
| G2 Investment Partners Management LLC 1.95% of their portfolio | 43.4k $7.9m | Added +10.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 43.4k $5.8m | Unchanged |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 40.2k $7.4m | Added +11.5k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 39.6k $7.3m | Reduced -1.4k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.02% of their portfolio | 39.6k $7.3m | Reduced -3.9k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.39% of their portfolio | 37.6k $6.9m | Reduced -18.0k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.05% of their portfolio | 37.0k $6.8m | Added +2.3k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 36.9k $6.8m | Added +1.5k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 36.6k $6.7m | Added +10.2k |
| Clark Capital Management Group, Inc. 0.06% of their portfolio | 36.3k $6.7m | Added +100 |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 36.1k $6.6m | Added +5.3k |
| Cerity Partners LLC 0.02% of their portfolio | 34.9k $6.4m | Added +30.6k |
| ALGERT GLOBAL LLC 0.27% of their portfolio | 34.0k $6.2m | Added +22.7k |
| Castellan Group 3.97% of their portfolio | 33.9k $6.2m | Reduced -9.3k |
| CITIGROUP INC 0.01% of their portfolio | 33.6k $6.2m | Reduced -13.9k |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.23% of their portfolio | 33.6k $6.2m | Unchanged |
| CASTLEARK MANAGEMENT LLC 0.27% of their portfolio | 33.0k $6.1m | Reduced -320 |
| BTC Capital Management, Inc. 0.65% of their portfolio | 33.0k $6.0m | New |
| Connor, Clark & Lunn Investment Management Ltd. 0.03% of their portfolio | 31.7k $5.8m | Added +22.5k |
| Thrivent Financial for Lutherans 0.01% of their portfolio | 31.3k $5.7m | Reduced -1.2k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 29.6k $5.4m | New |
| ClariVest Asset Management LLC 0.27% of their portfolio | 29.2k $5.4m | Reduced -11.5k |
| TEXAS PERMANENT SCHOOL FUND CORP 0.05% of their portfolio | 28.8k $5.3m | Reduced -591 |
| EMC Capital Management 0.12% of their portfolio | 28.6k $149.0k | Added +27.1k |
| Rockefeller Capital Management L.P. 0.02% of their portfolio | 27.5k $5.0m | First filing |
| BARCLAYS PLC 0.00% of their portfolio | 27.4k $5.0m | Reduced -8.6k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 27.2k $5.0m | Reduced -142.1k |
| CFM WEALTH PARTNERS LLC 1.18% of their portfolio | 26.5k $4.9m | Reduced -602 |
| LAZARD ASSET MANAGEMENT LLC 0.01% of their portfolio | 26.4k $4.8m | Added +6.0k |
| Artemis Investment Management LLP 0.06% of their portfolio | 26.1k $4.8m | New |
| READYSTATE ASSET MANAGEMENT LP 0.47% of their portfolio | 26.1k $4.8m | New |