ACLS Insider Trading

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Insider Ownership Percentage: 0.48%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $806,642.28

Axcelis Technologies Insider Trading History Chart

Axcelis Technologies Share Price & Price History

^$57.64

▼ -1.22 (-2.07%)

As of 05/9/2025 04:58 PM ET

Days: 30 | 90 | 365

Axcelis Technologies Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/6/2024	Jorge Titinger	Director	Sell	6,086	$109.98	$669,338.28	5,891
5/20/2024	John T. Kurtzweil	Director	Sell	1,200	$114.42	$137,304.00	33,146
2/23/2024	Douglas A Lawson	EVP	Buy	500	$111.04	$55,520.00	19,648
11/10/2023	Joseph P Keithley	Director	Sell	500	$130.43	$65,215.00	4,157
9/14/2023	Greg Redinbo	EVP	Sell	600	$180.18	$108,108.00	17,203
8/7/2023	Douglas A Lawson	EVP	Sell	375	$177.45	$66,543.75	18,342
6/12/2023	Jeanne Quirk	Director	Sell	900	$177.41	$159,669.00	7,782
6/12/2023	Mary G Puma	Insider	Sell	11,800	$181.80	$2,145,240.00	263,058
6/9/2023	Douglas A Lawson	EVP	Sell	400	$175.00	$70,000.00	18,717
6/7/2023	Lynnette C Fallon	VP	Sell	1,584	$172.73	$273,604.32	34,469
6/7/2023	Mary G Puma	Insider	Sell	21,701	$173.58	$3,766,859.58	278,985
6/6/2023	Joseph P Keithley	Director	Sell	1,000	$163.50	$163,500.00	5,657
5/26/2023	Douglas A Lawson	EVP	Sell	200	$153.00	$30,600.00	19,117
5/25/2023	Joseph P Keithley	Director	Sell	1,000	$152.21	$152,210.00	9,657
5/18/2023	John T. Kurtzweil	Director	Sell	2,689	$138.69	$372,937.41	32,684
5/18/2023	Lynnette C Fallon	VP	Sell	2,410	$141.55	$341,135.50	37,934
5/18/2023	Mary G Puma	Insider	Sell	8,578	$141.52	$1,213,958.56	320,408
5/17/2023	Greg Redinbo	EVP	Sell	1,000	$135.00	$135,000.00	18,537
5/16/2023	Kevin J. Brewer	CFO	Sell	6,505	$130.84	$851,114.20	29,005
5/16/2023	Lynnette C Fallon	VP	Sell	4,120	$129.84	$534,940.80	41,844
5/16/2023	Russell Low	CEO	Sell	8,309	$130.76	$1,086,484.84	71,239
5/15/2023	Joseph P Keithley	Director	Sell	3,000	$126.07	$378,210.00	10,375
5/11/2023	Kevin J. Brewer	CFO	Sell	10,546	$125.06	$1,318,882.76	36,277
5/11/2023	Mary G Puma	Insider	Sell	21,705	$125.00	$2,713,125.00	332,412
5/10/2023	Douglas A Lawson	EVP	Sell	5,734	$122.00	$699,548.00	35,205
5/9/2023	Tzu Yin Chiu	Director	Sell	10,000	$118.50	$1,185,000.00	18,873
2/1/2023	Tzu Yin Chiu	Director	Sell	1,700	$127.12	$216,104.00	28,873
12/8/2022	Mary G Puma	CEO	Sell	4,202	$80.31	$337,462.62	393,511
12/5/2022	Mary G Puma	CEO	Sell	2,697	$80.12	$216,083.64	397,713
12/1/2022	Mary G Puma	CEO	Sell	1,500	$80.02	$120,030.00	400,410
11/30/2022	Joseph P Keithley	Director	Sell	1,000	$79.00	$79,000.00	20,375
11/28/2022	Douglas A Lawson	EVP	Sell	350	$76.52	$26,782.00	34,038
11/23/2022	Mary G Puma	CEO	Sell	3,998	$80.01	$319,879.98	401,910
11/15/2022	Kevin J. Brewer	CFO	Sell	6,500	$79.26	$515,190.00	48,286
11/15/2022	Lynnette C Fallon	VP	Sell	3,563	$79.00	$281,477.00	47,770
11/10/2022	Joseph P Keithley	Director	Sell	2,000	$74.02	$148,040.00	21,375
11/10/2022	Russell Low	EVP	Sell	7,700	$73.64	$567,028.00	69,293
8/25/2022	Joseph P Keithley	Director	Sell	2,000	$79.37	$158,740.00	23,375
8/15/2022	Kevin J. Brewer	CFO	Sell	9,461	$75.35	$712,886.35	54,786
8/12/2022	Lynnette C Fallon	VP	Sell	3,787	$75.50	$285,918.50	51,333
8/12/2022	Mary G Puma	CEO	Sell	13,288	$75.94	$1,009,090.72	405,908
8/11/2022	William J. Bintz	EVP	Sell	13,289	$71.20	$946,176.80	46,772

See Full Table

SEC Filings (Institutional Ownership Changes) for Axcelis Technologies (NASDAQ:ACLS)

89.98% of Axcelis Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Axcelis Technologies Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/12/2025	Jackson Square Partners LLC	210,344	$10.45M	1.4%	+12.7%	0.654%
5/12/2025	Maryland State Retirement & Pension System	9,456	$0.47M	0.0%	-13.5%	0.029%
5/9/2025	Mutual of America Capital Management LLC	4,734	$0.24M	0.0%	-3.9%	0.015%
5/9/2025	Headlands Technologies LLC	545	$27K	0.0%	-75.7%	0.002%
5/9/2025	Deutsche Bank AG	26,363	$1.31M	0.0%	-7.5%	0.082%
5/9/2025	Charles Schwab Investment Management Inc.	386,007	$19.17M	0.0%	+4.3%	1.199%
5/9/2025	Primecap Management Co. CA	835,066	$41.48M	0.0%	-8.9%	2.595%
5/9/2025	Vanguard Group Inc.	4,439,902	$220.53M	0.0%	+1.0%	13.797%
5/9/2025	Three Seasons Wealth LLC	7,105	$0.35M	0.2%	N/A	0.022%
5/9/2025	New Age Alpha Advisors LLC	981	$49K	0.0%	-47.6%	0.003%
5/9/2025	PNC Financial Services Group Inc.	2,358	$0.12M	0.0%	+22.0%	0.007%
5/8/2025	Moors & Cabot Inc.	7,830	$0.39M	0.0%	+11.7%	0.024%
5/8/2025	Bayforest Capital Ltd	764	$38K	0.0%	N/A	0.002%
5/8/2025	Vestcor Inc	6,744	$0.34M	0.0%	-24.2%	0.021%
5/8/2025	GSA Capital Partners LLP	18,809	$0.93M	0.1%	-44.6%	0.058%
5/8/2025	Federated Hermes Inc.	194,192	$9.65M	0.0%	+7.1%	0.603%
5/7/2025	Mackenzie Financial Corp	6,346	$0.32M	0.0%	+7.8%	0.020%
5/7/2025	LPL Financial LLC	56,435	$2.80M	0.0%	-7.2%	0.175%
5/7/2025	Zurcher Kantonalbank Zurich Cantonalbank	10,497	$0.52M	0.0%	+15.0%	0.033%
5/7/2025	Skandinaviska Enskilda Banken AB publ	2,979	$0.15M	0.0%	-63.8%	0.009%
5/6/2025	Pacer Advisors Inc.	161,481	$8.02M	0.0%	-79.4%	0.502%
5/6/2025	Cetera Investment Advisers	5,491	$0.27M	0.0%	N/A	0.017%
5/6/2025	Royce & Associates LP	280,983	$13.96M	0.2%	-15.7%	0.873%
5/6/2025	Brookwood Investment Group LLC	8,400	$0.42M	0.1%	N/A	0.026%
5/6/2025	KLP Kapitalforvaltning AS	11,100	$0.55M	0.0%	+70.8%	0.034%
5/6/2025	Homestead Advisers Corp	34,200	$1.70M	0.0%	+15.5%	0.106%
5/6/2025	Bank Julius Baer & Co. Ltd Zurich	6,085	$0.30M	0.0%	-6.4%	0.019%
5/6/2025	Universal Beteiligungs und Servicegesellschaft mbH	14,109	$0.70M	0.0%	N/A	0.044%
5/5/2025	Allianz Asset Management GmbH	14,530	$0.72M	0.0%	-74.9%	0.045%
5/5/2025	Peterson Wealth Services	9,131	$0.45M	0.1%	+18.7%	0.028%
5/5/2025	Eagle Bay Advisors LLC	7,585	$0.38M	0.3%	+3.8%	0.024%
5/5/2025	Private Advisor Group LLC	53,575	$2.66M	0.0%	+783.3%	0.166%
5/2/2025	Victory Capital Management Inc.	19,163	$0.95M	0.0%	+9.3%	0.060%
5/2/2025	Signaturefd LLC	1,294	$64K	0.0%	+255.5%	0.004%
5/1/2025	Isthmus Partners LLC	31,621	$1.57M	0.2%	+11.8%	0.098%
5/1/2025	CWM LLC	1,657	$82K	0.0%	+44.5%	0.005%
5/1/2025	Louisiana State Employees Retirement System	15,300	$0.76M	0.0%	-2.5%	0.048%
5/1/2025	SkyOak Wealth LLC	7,094	$0.35M	0.1%	+75.7%	0.022%
4/30/2025	Bridges Investment Management Inc.	25,793	$1.28M	0.0%	+130.2%	0.080%
4/30/2025	Nisa Investment Advisors LLC	796	$40K	0.0%	+97.5%	0.002%
4/30/2025	New Insight Wealth Advisors	31,847	$1.58M	0.7%	N/A	0.099%
4/29/2025	Envestnet Asset Management Inc.	25,063	$1.25M	0.0%	+16.6%	0.078%
4/29/2025	Bank of New York Mellon Corp	212,534	$10.56M	0.0%	-6.1%	0.660%
4/28/2025	Principal Financial Group Inc.	194,038	$9.64M	0.0%	+2.9%	0.603%
4/28/2025	Teacher Retirement System of Texas	4,753	$0.24M	0.0%	N/A	0.015%
4/25/2025	New York State Teachers Retirement System	16,267	$0.81M	0.0%	-15.7%	0.051%
4/25/2025	Amalgamated Bank	9,309	$0.46M	0.0%	-3.1%	0.029%
4/24/2025	Allspring Global Investments Holdings LLC	5,783	$0.29M	0.0%	+57.5%	0.018%
4/24/2025	Illinois Municipal Retirement Fund	15,023	$0.75M	0.0%	-11.5%	0.047%
4/23/2025	Oppenheimer & Co. Inc.	6,506	$0.32M	0.0%	+8.3%	0.020%
4/23/2025	Oppenheimer Asset Management Inc.	6,269	$0.31M	0.0%	+39.6%	0.019%
4/22/2025	Illumine Investment Management LLC	9,731	$0.48M	0.4%	N/A	0.030%
4/22/2025	Cambridge Investment Research Advisors Inc.	12,168	$0.60M	0.0%	+38.2%	0.038%
4/21/2025	Boston Trust Walden Corp	826,332	$41.04M	0.3%	+0.8%	2.568%
4/21/2025	State of Alaska Department of Revenue	18,012	$0.89M	0.0%	-2.7%	0.056%
4/17/2025	Janney Montgomery Scott LLC	19,103	$0.95M	0.0%	+19.4%	0.059%
4/17/2025	Exchange Traded Concepts LLC	4,475	$0.22M	0.0%	N/A	0.014%
4/17/2025	Sound Income Strategies LLC	895	$44K	0.0%	N/A	0.003%
4/15/2025	Fifth Third Bancorp	581	$29K	0.0%	+160.5%	0.002%
4/15/2025	Assenagon Asset Management S.A.	17,800	$0.88M	0.0%	-46.2%	0.055%
4/15/2025	SG Americas Securities LLC	8,404	$0.42M	0.0%	+10.1%	0.026%
4/15/2025	GAMMA Investing LLC	1,576	$78K	0.0%	+89.0%	0.005%
4/14/2025	Yousif Capital Management LLC	12,028	$0.60M	0.0%	-2.5%	0.037%
4/14/2025	Harbor Capital Advisors Inc.	140,582	$6.98M	0.3%	+60.1%	0.437%
4/11/2025	Perkins Coie Trust Co	2,675	$0.13M	0.0%	+9.2%	0.008%
4/11/2025	Reinhart Partners LLC.	1,441,022	$71.58M	2.6%	+39.1%	4.478%
4/8/2025	Rhumbline Advisers	96,647	$4.80M	0.0%	+6.4%	0.300%
4/7/2025	GAMMA Investing LLC	78,280	$3.89M	0.0%	+9,286.1%	0.243%
4/3/2025	Versant Capital Management Inc	584	$29K	0.0%	+118.7%	0.002%
3/18/2025	California State Teachers Retirement System	30,507	$2.13M	0.0%	-0.9%	0.095%
3/17/2025	Wealth Enhancement Advisory Services LLC	4,264	$0.30M	0.0%	N/A	0.013%
2/20/2025	Mackenzie Financial Corp	5,887	$0.41M	0.0%	+186.3%	0.018%
2/18/2025	Western Wealth Management LLC	7,300	$0.51M	0.2%	N/A	0.022%
2/18/2025	Breed s Hill Capital LLC	3,000	$0.21M	0.1%	N/A	0.009%
2/18/2025	CSS LLC IL	5,506	$0.39M	0.0%	N/A	0.017%
2/18/2025	PharVision Advisers LLC	2,922	$0.20M	0.2%	N/A	0.009%
2/18/2025	Paradigm Capital Management Inc. NY	153,900	$10.75M	0.5%	-67.7%	0.473%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	77,920	$5.44M	0.0%	+3.5%	0.240%
2/17/2025	Voloridge Investment Management LLC	222,663	$15.56M	0.1%	+428.5%	0.685%
2/17/2025	Woodline Partners LP	4,615	$0.32M	0.0%	+83.4%	0.014%
2/17/2025	Vident Advisory LLC	35,410	$2.47M	0.0%	+51.6%	0.109%
2/17/2025	Twinbeech Capital LP	3,844	$0.27M	0.0%	N/A	0.012%
2/17/2025	Two Sigma Investments LP	19,635	$1.37M	0.0%	+169.0%	0.060%
2/17/2025	State of Wyoming	5,573	$0.39M	0.0%	-12.2%	0.017%
2/17/2025	Sherbrooke Park Advisers LLC	6,526	$0.46M	0.1%	N/A	0.020%
2/17/2025	ProShare Advisors LLC	17,066	$1.19M	0.0%	+24.1%	0.052%
2/17/2025	Nuveen Asset Management LLC	167,570	$11.71M	0.0%	-45.5%	0.515%
2/17/2025	Numerai GP LLC	23,765	$1.66M	0.5%	N/A	0.073%
2/17/2025	Occudo Quantitative Strategies LP	8,871	$0.62M	0.1%	N/A	0.027%
2/17/2025	Millennium Management LLC	290,270	$20.28M	0.0%	+148.7%	0.893%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	18,547	$1.30M	0.0%	+4.1%	0.057%
2/17/2025	Lazard Asset Management LLC	706	$49K	0.0%	-38.9%	0.002%
2/17/2025	LRI Investments LLC	2,966	$0.21M	0.0%	+777.5%	0.009%
2/17/2025	Janus Henderson Group PLC	90,508	$6.32M	0.0%	+167.3%	0.278%
2/17/2025	Gotham Asset Management LLC	23,990	$1.68M	0.0%	+110.0%	0.074%
2/17/2025	Graham Capital Management L.P.	5,178	$0.36M	0.0%	+83.9%	0.016%
2/17/2025	Focus Partners Wealth	14,357	$1.01M	0.0%	-59.4%	0.044%
2/17/2025	FORA Capital LLC	12,935	$0.90M	0.1%	N/A	0.040%
2/17/2025	Deutsche Bank AG	28,487	$1.99M	0.0%	+52.0%	0.088%
2/17/2025	Bank of America Corp DE	285,284	$19.93M	0.0%	+104.4%	0.878%

Data available starting January 2016

See Full Table

Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia Pacific. The company offers high energy, high current, and medium current implanters for various application requirements. It also provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. It sells its equipment and services to semiconductor chip manufacturers through its direct sales force. The company was founded in 1978 and is headquartered in Beverly, Massachusetts.

Today's Range

Now: $57.64

$57.04

$59.58

50 Day Range

MA: $51.61

$42.42

$60.63

52 Week Range

Now: $57.64

$40.40

$158.61

Volume

552,727 shs

Average Volume

644,993 shs

Market Capitalization

$1.85 billion

P/E Ratio

9.37

Dividend Yield

N/A

Beta

1.52

Who are the company insiders with the largest holdings of Axcelis Technologies?: Axcelis Technologies' top insider shareholders include:
Mary G Puma (Insider)
Russell Low (CEO)
Lynnette C Fallon (VP)
John T Kurtzweil (Director)
Kevin J Brewer (CFO)
Douglas A Lawson (EVP)
Greg Redinbo (EVP)
Joseph P Keithley (Director)
Jeanne Quirk (Director)
Jorge Titinger (Director)
Learn More about top insider investors at Axcelis Technologies.
Who are the major institutional investors of Axcelis Technologies?: Axcelis Technologies' top institutional investors include:
Vanguard Group Inc. — 13.80%
Reinhart Partners LLC. — 4.48%
Primecap Management Co. CA — 2.59%
Boston Trust Walden Corp — 2.57%
Charles Schwab Investment Management Inc. — 1.20%
Royce & Associates LP — 0.87%
Learn More about top institutional investors of Axcelis Technologies stock.
Which institutional investors are selling Axcelis Technologies stock?: In the previous quarter, ACLS stock was sold by these institutional investors:
Pacer Advisors Inc.
Primecap Management Co. CA
Royce & Associates LP
Allianz Asset Management GmbH
Assenagon Asset Management S.A.
GSA Capital Partners LLP
Bank of New York Mellon Corp
Skandinaviska Enskilda Banken AB publ
Within the last year, company insiders that have sold Axcelis Technologies company stock include:
Mary G Puma (Insider)
Russell Low (CEO)
Learn More investors selling Axcelis Technologies stock.
Which institutional investors are buying Axcelis Technologies stock?: During the previous quarter, ACLS stock was purchased by institutional investors including:
Reinhart Partners LLC.
GAMMA Investing LLC
Harbor Capital Advisors Inc.
Private Advisor Group LLC
Vanguard Group Inc.
New Insight Wealth Advisors
IMC Chicago LLC
Jackson Square Partners LLC