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 ($1.8m this quarter). Holder counts are more reliable. Shares outstanding: 32.7m as of 2023-10-31, 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 ≈ $129.68. Options: 16 managers hold calls ($102.5m notional), 15 hold puts ($63.1m).
Trends to Q4 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 287 |
| Q4 2022 | 328 |
| Q1 2023 | 379 |
| Q2 2023 | 406 |
| Q3 2023 | 421 |
| Q4 2023 | 421 |
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 |
| Q3 2023 | 209 | 199 |
| Q4 2023 | 222 | 196 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2023 | $31.7m | $35.6m | 1.12 |
| Q2 2023 | $86.4m | $53.6m | 0.62 |
| Q3 2023 | $101.5m | $61.0m | 0.60 |
| Q4 2023 | $102.5m | $63.1m | 0.61 |
Biggest buyers
| JPMORGAN CHASE & CO | Added | +785.1k |
| MORGAN STANLEY | Added | +603.1k |
| MILLENNIUM MANAGEMENT LLC | Added | +381.8k |
| Jackson Square Partners, LLC | New | +330.7k |
| Clark Capital Management Group, Inc. | Added | +243.7k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added | +240.1k |
| Qube Research & Technologies Ltd | Added | +184.8k |
| Man Group plc | New | +183.6k |
| Cubist Systematic Strategies, LLC | Added | +132.4k |
| DEUTSCHE BANK AG\ | Added | +94.0k |
Biggest sellers
| Invesco Ltd. | Reduced | -642.0k |
| Whale Rock Capital Management LLC | Sold out | -517.1k |
| Driehaus Capital Management LLC | Sold out | -483.5k |
| Hood River Capital Management LLC | Sold out | -346.5k |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -324.9k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -249.3k |
| Senvest Management, LLC | Sold out | -197.8k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -188.2k |
| Man Group plc | Sold out | -147.0k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -138.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $34.4m265.3k shares |
| CITADEL ADVISORS LLC | Added | $21.3m164.0k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $15.0m115.4k shares |
| JANE STREET GROUP, LLC | Reduced | $8.3m64.3k shares |
| WOLVERINE TRADING, LLC | Reduced | $7.7m59.7k shares |
| SIMPLEX TRADING, LLC | Added | $5.8m44.4k shares |
| D. E. Shaw & Co., Inc. | Reduced | $3.0m23.3k shares |
| Cubist Systematic Strategies, LLC | Added | $2.8m21.8k shares |
| Walleye Trading LLC | Added | $1.5m11.8k shares |
| PEAK6 Investments LLC | Added | $661.4k5.1k shares |
Biggest puts
| CAPITAL FUND MANAGEMENT S.A. | Added | $17.7m136.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $17.0m131.4k shares |
| CITADEL ADVISORS LLC | Reduced | $9.1m70.3k shares |
| D. E. Shaw & Co., Inc. | Reduced | $4.4m34.1k shares |
| SIMPLEX TRADING, LLC | Added | $3.6m27.9k shares |
| Gratus Capital, LLC | Unchanged | $3.4m25.9k shares |
| Walleye Trading LLC | Added | $2.3m17.5k shares |
| Walleye Capital LLC | Added | $1.6m12.0k shares |
| TWO SIGMA SECURITIES, LLC | Added | $946.7k7.3k shares |
| WOLVERINE TRADING, LLC | Reduced | $920.8k7.1k 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 Q4 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 |
|---|---|---|---|---|---|
| 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 | — |
| Q3 2023 | 0 | — | 5 | $2.6m | — |
| Q4 2023 | 0 | — | 1 | $135.5k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-12-14 | KEITHLEY JOSEPH P Director | Sold | $70.2k500 shares |
| 2023-11-10 | KEITHLEY JOSEPH P Director | Sold | $65.2k500 shares |
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, Q4 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.02% of their portfolio | 6.1m $789.6m | Added +83.3k |
| VANGUARD GROUP INC 0.01% of their portfolio | 4.0m $524.1m | Added +92.6k |
| STATE STREET CORP 0.01% of their portfolio | 1.2m $155.0m | Added +48.9k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 1.1m $146.3m | Added +785.1k |
| PRIMECAP MANAGEMENT CO/CA/ 0.11% of their portfolio | 1.0m $135.1m | Reduced -3.9k |
| MORGAN STANLEY 0.01% of their portfolio | 935.6k $121.3m | Added +603.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 776.6k $100.8m | Added +26.5k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 691.3k $89.7m | Reduced -249.3k |
| AMERIPRISE FINANCIAL INC 0.02% of their portfolio | 526.0k $68.2m | Added +78.1k |
| MILLENNIUM MANAGEMENT LLC 0.06% of their portfolio | 509.8k $66.1m | Added +381.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 463.5k $60.1m | Added +24.5k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 442.6k $57.4m | Added +4.0k |
| NORGES BANK 0.01% of their portfolio | 440.3k $57.1m | Added +3.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 431.1k $55.9m | Added +17.6k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 375.6k $48.7m | Reduced -16.8k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.05% of their portfolio | 341.6k $44.3m | Reduced -188.2k |
| Jackson Square Partners, LLC 1.39% of their portfolio | 330.7k $42.9m | New |
| Qube Research & Technologies Ltd 0.10% of their portfolio | 328.6k $42.6m | Added +184.8k |
| Invesco Ltd. 0.01% of their portfolio | 328.4k $42.6m | Reduced -642.0k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.11% of their portfolio | 305.0k $39.6m | Added +240.1k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 281.4k $36.5m | Reduced -19.0k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 280.0k $36.3m | Added +42.6k |
| Clark Capital Management Group, Inc. 0.29% of their portfolio | 272.5k $35.3m | Added +243.7k |
| OBERWEIS ASSET MANAGEMENT INC/ 2.96% of their portfolio | 245.3k $31.8m | Added +51.8k |
| Allspring Global Investments Holdings, LLC 0.05% of their portfolio | 236.9k $30.7m | Added +8.6k |
| WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio | 222.2k $28.8m | Reduced -324.9k |
| UBS Group AG 0.01% of their portfolio | 217.8k $28.2m | Added +53.8k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.16% of their portfolio | 212.9k $27.6m | Reduced -35.0k |
| Rafferty Asset Management, LLC 0.11% of their portfolio | 203.6k $26.4m | Added +26.2k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 192.3k $24.9m | Added +928 |
| Cubist Systematic Strategies, LLC 0.31% of their portfolio | 190.7k $24.7m | Added +132.4k |
| BARCLAYS PLC 0.01% of their portfolio | 187.2k $24.3m | Added +86.8k |
| Man Group plc 0.07% of their portfolio | 183.6k $23.8m | New |
| Aberdeen Group plc 0.05% of their portfolio | 180.2k $23.4m | Added +44.9k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.11% of their portfolio | 167.8k $21.8m | Reduced -56.3k |
| FMR LLC 0.00% of their portfolio | 167.0k $21.7m | Reduced -129.6k |
| PUTNAM INVESTMENTS LLC 0.03% of their portfolio | 166.2k $21.6m | Added +7.4k |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 146.5k $19.0m | Reduced -9.5k |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.08% of their portfolio | 143.0k $18.5m | Added +23.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.02% of their portfolio | 132.6k $17.2m | Added +34.0k |
| CREDIT SUISSE AG/ 0.02% of their portfolio | 127.7k $16.6m | Added +71.1k |
| Allianz Asset Management GmbH 0.03% of their portfolio | 125.3k $16.3m | Added +2.5k |
| PRUDENTIAL FINANCIAL INC 0.02% of their portfolio | 117.1k $15.2m | Reduced -3.2k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 112.8k $14.6m | Added +94.0k |
| Legal & General Group Plc 0.00% of their portfolio | 112.0k $14.5m | Added +6.4k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 105.5k $13.7m | Added +17.8k |
| BNP PARIBAS FINANCIAL MARKETS 0.02% of their portfolio | 102.7k $13.3m | Added +7.0k |
| SEI INVESTMENTS CO 0.02% of their portfolio | 101.7k $13.2m | Added +33.3k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 93.4k $12.1m | Reduced -1.5k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 86.0k $11.2m | Added +37.8k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.04% of their portfolio | 85.1k $11.0m | New |
| Engineers Gate Manager LP 0.31% of their portfolio | 82.6k $10.7m | Added +62.0k |
| AXA S.A. 0.02% of their portfolio | 80.4k $10.4m | Added +20.1k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 75.2k $9.8m | Reduced -34.5k |
| CITIGROUP INC 0.01% of their portfolio | 75.2k $9.7m | Reduced -5.1k |
| FIRST TRUST ADVISORS LP 0.01% of their portfolio | 73.7k $9.6m | Reduced -10.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 73.5k $9.5m | Added +9.2k |
| TWINBEECH CAPITAL LP 0.15% of their portfolio | 72.4k $9.4m | Added +10.5k |
| ROYCE & ASSOCIATES LP 0.09% of their portfolio | 71.1k $9.2m | Reduced -14.7k |
| Public Sector Pension Investment Board 0.07% of their portfolio | 68.0k $8.8m | Added +27.4k |
| VICTORY CAPITAL MANAGEMENT INC 0.01% of their portfolio | 66.7k $8.7m | Reduced -68.6k |
| California Public Employees Retirement System 0.01% of their portfolio | 65.8k $8.5m | Added +2.3k |
| Rockefeller Capital Management L.P. 0.03% of their portfolio | 65.0k $8.4m | Added +23.0k |
| Swiss National Bank 0.01% of their portfolio | 64.7k $8.4m | Reduced -7.3k |
| COMERICA BANK 0.04% of their portfolio | 64.6k $8.4m | Reduced -10.6k |
| Connor, Clark & Lunn Investment Management Ltd. 0.04% of their portfolio | 62.9k $8.2m | Added +11.5k |
| ALGERT GLOBAL LLC 0.33% of their portfolio | 62.4k $8.1m | Added +26.2k |
| PARADIGM CAPITAL MANAGEMENT INC/NY 0.42% of their portfolio | 62.0k $8.0m | Reduced -2.0k |
| Crestline Management, L.P. 0.65% of their portfolio | 53.8k $7.0m | Added +38.5k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio | 52.9k $6.9m | Added +40.9k |
| Annex Advisory Services, LLC 0.28% of their portfolio | 51.6k $6.7m | Added +46.8k |
| Soviero Asset Management, LP 4.05% of their portfolio | 50.0k $6.5m | New |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 49.1k $6.4m | Added +16.5k |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 49.1k $6.3m | Reduced -917 |
| Caisse de depot et placement du Quebec 0.02% of their portfolio | 48.6k $6.3m | New |
| NEUMEIER POMA INVESTMENT COUNSEL LLC 0.54% of their portfolio | 46.7k $6.1m | Reduced -24.9k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio | 45.9k $5.9m | Added +27.6k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 45.0k $5.8m | Reduced -62.8k |
| Pier Capital, LLC 0.82% of their portfolio | 44.5k $5.8m | Reduced -928 |
| Aquatic Capital Management LLC 0.15% of their portfolio | 44.4k $5.8m | Added +30.8k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 43.7k $5.7m | Added +32.8k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.02% of their portfolio | 43.3k $5.6m | Added +913 |
| Penbrook Management LLC 3.75% of their portfolio | 43.0k $5.6m | Reduced -550 |
| Mirae Asset Global Investments Co., Ltd. 0.01% of their portfolio | 42.8k $5.6m | Reduced -127 |
| Harber Asset Management LLC 1.20% of their portfolio | 39.8k $5.2m | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 39.7k $5.1m | Reduced -23.3k |
| Cerity Partners LLC 0.02% of their portfolio | 39.2k $5.1m | Added +6.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 39.1k $5.1m | Added +1.9k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio | 38.3k $5.0m | Reduced -587 |
| RICE HALL JAMES & ASSOCIATES, LLC 0.27% of their portfolio | 36.0k $4.7m | Reduced -1.3k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 34.6k $4.5m | Reduced -1.5k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.02% of their portfolio | 34.5k $4.5m | Reduced -138.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 34.2k $4.4m | Added +21.6k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 33.8k $4.4m | Reduced -703 |
| LAZARD ASSET MANAGEMENT LLC 0.01% of their portfolio | 31.4k $4.1m | Added +8.1k |
| OSAIC HOLDINGS, INC. 0.01% of their portfolio | 31.1k $4.0m | Added +17.1k |
| Thrivent Financial for Lutherans 0.01% of their portfolio | 30.8k $4.0m | Added +788 |
| Amundi 0.00% of their portfolio | 29.9k $3.6m | Reduced -59.8k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 29.9k $3.9m | Reduced -4.9k |
| TEXAS PERMANENT SCHOOL FUND CORP 0.03% of their portfolio | 28.3k $3.7m | Added +418 |