Axcelis Technologies Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ACLS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
11 Mar 24	BuyUS$49,452	Russell Low	Individual	440	US$112.39
29 Feb 24	BuyUS$11,223	James Coogan	Individual	100	US$112.23
23 Feb 24	BuyUS$55,520	Douglas Lawson	Individual	500	US$111.04
14 Dec 23	SellUS$70,250	Joseph Keithley	Individual	500	US$140.50
10 Nov 23	SellUS$65,215	Joseph Keithley	Individual	500	US$130.43
14 Sep 23	SellUS$108,108	Gregory Redinbo	Individual	600	US$180.18
07 Sep 23	SellUS$561,729	Lynnette Fallon	Individual	3,098	US$181.32
07 Sep 23	SellUS$610,346	Russell Low	Individual	3,405	US$179.25
07 Sep 23	SellUS$1,220,552	Jorge Titinger	Individual	6,881	US$177.38
07 Aug 23	SellUS$66,544	Douglas Lawson	Individual	375	US$177.45
12 Jun 23	SellUS$159,669	Jeanne Quirk	Individual	900	US$177.41
12 Jun 23	SellUS$2,145,240	Mary Puma	Individual	11,800	US$181.80
12 Jun 23	SellUS$90,875	Joseph Keithley	Individual	500	US$181.75
09 Jun 23	SellUS$70,000	Douglas Lawson	Individual	400	US$175.00
08 Jun 23	SellUS$608,496	Russell Low	Individual	3,509	US$173.41
07 Jun 23	SellUS$173,000	Joseph Keithley	Individual	1,000	US$173.00
07 Jun 23	SellUS$273,604	Lynnette Fallon	Individual	1,584	US$172.73
07 Jun 23	SellUS$3,766,860	Mary Puma	Individual	21,701	US$173.58
06 Jun 23	SellUS$163,500	Joseph Keithley	Individual	1,000	US$163.50
26 May 23	SellUS$30,600	Douglas Lawson	Individual	200	US$153.00
25 May 23	SellUS$342,324	Kevin Brewer	Individual	2,313	US$148.00
25 May 23	SellUS$286,288	Lynnette Fallon	Individual	1,881	US$152.20
25 May 23	SellUS$2,994,391	Mary Puma	Individual	19,722	US$151.83
25 May 23	SellUS$762,587	Russell Low	Individual	4,980	US$153.13
25 May 23	SellUS$152,210	Joseph Keithley	Individual	1,000	US$152.21
19 May 23	SellUS$79,651	Douglas Lawson	Individual	550	US$144.82
18 May 23	SellUS$341,136	Lynnette Fallon	Individual	2,410	US$141.55
18 May 23	SellUS$372,937	John Kurtzweil	Individual	2,689	US$138.69
18 May 23	SellUS$1,213,959	Mary Puma	Individual	8,578	US$141.52
18 May 23	SellUS$663,358	Douglas Lawson	Individual	4,703	US$141.05
18 May 23	SellUS$419,360	Joseph Keithley	Individual	3,000	US$143.09
17 May 23	SellUS$135,000	Gregory Redinbo	Individual	1,000	US$135.00
16 May 23	SellUS$1,942,500	Tzu-Yin Chiu	Individual	15,000	US$129.50
16 May 23	SellUS$131,000	Joseph Keithley	Individual	1,000	US$131.00
16 May 23	SellUS$851,114	Kevin Brewer	Individual	6,505	US$130.84
16 May 23	SellUS$534,941	Lynnette Fallon	Individual	4,120	US$129.84
16 May 23	SellUS$1,086,485	Russell Low	Individual	8,309	US$130.76
15 May 23	SellUS$378,220	Joseph Keithley	Individual	3,000	US$127.84
11 May 23	SellUS$1,318,883	Kevin Brewer	Individual	10,546	US$125.06
11 May 23	SellUS$2,713,125	Mary Puma	Individual	21,705	US$125.00
10 May 23	SellUS$699,548	Douglas Lawson	Individual	5,734	US$122.00
09 May 23	SellUS$1,185,000	Tzu-Yin Chiu	Individual	10,000	US$118.50

Insider Trading Volume

Insider Buying: ACLS insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ACLS?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	6,055	0.0186%
State or Government	20,134	0.0617%
Individual Insiders	381,160	1.17%
General Public	1,904,233	5.84%
Institutions	30,314,178	92.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 63.69% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
18.7%	BlackRock, Inc.	6,088,685	US$630.3m	1.39%	0.01%
12.4%	The Vanguard Group, Inc.	4,040,912	US$418.3m	2.34%	0.01%
3.66%	State Street Global Advisors, Inc.	1,195,470	US$123.8m	4.26%	0.01%
3.19%	PRIMECAP Management Company	1,042,046	US$107.9m	-0.38%	0.08%
2.38%	Geode Capital Management, LLC	776,571	US$80.4m	3.53%	0.01%
2.12%	Dimensional Fund Advisors LP	691,317	US$71.6m	-26.5%	0.01%
1.61%	Columbia Management Investment Advisers, LLC	525,996	US$54.5m	17.4%	0.01%
1.56%	Millennium Management LLC	509,824	US$52.8m	298%	0.05%
1.48%	Driehaus Capital Management LLC	483,526	US$50.1m	0%	0.36%
1.42%	T. Rowe Price Group, Inc.	463,524	US$48.0m	5.59%	no data
1.35%	Norges Bank Investment Management	440,318	US$45.6m	756%	no data
1.32%	Charles Schwab Investment Management, Inc.	431,113	US$44.6m	0%	0.01%
1.18%	JP Morgan Asset Management	386,218	US$40.0m	20.6%	0.01%
1.15%	Northern Trust Global Investments	375,588	US$38.9m	-4.28%	0.01%
1.05%	Arrowstreet Capital, Limited Partnership	341,597	US$35.4m	-35.5%	0.03%
1.04%	Reinhart Partners, LLC	339,592	US$35.2m	0%	1.5%
1.01%	Jackson Square Partners, LLC	330,724	US$34.2m	0%	1.13%
1.01%	Qube Research & Technologies Ltd	328,591	US$34.0m	129%	0.08%
1%	Morgan Stanley, Investment Banking and Brokerage Investments	324,665	US$33.6m	80.1%	no data
0.93%	BNPP Asset Management Holding	305,002	US$31.6m	370%	0.05%
0.92%	Invesco Capital Management LLC	300,096	US$31.1m	-31%	0.02%
0.84%	Clark Capital Management Group Inc	272,474	US$28.2m	848%	0.22%
0.83%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	269,335	US$27.9m	18.2%	0.01%
0.79%	BNY Mellon Asset Management	258,966	US$26.8m	-6.25%	0.01%
0.79%	Goldman Sachs Group, Investment Banking and Securities Investments	258,243	US$26.7m	10.7%	0.01%