Is ACLS a good stock to own? Find out who bought Axcelis Technologies, who sold Axcelis Technologies (ACLS) stock, and who holds a large position in Axcelis Technologies.

• Donald Smith & Co owns 11.13M shares worth $13.91M
• Sterling Capital Management owns 5.03M shares worth $6.69M
• Verition Fund Management owns 4.56M shares worth $5.70M
• Diker Management owns 3.56M shares worth $3.74M
• Vanguard owns 3.05M shares worth $3.81M
• Harvey Partners owns 2.80M shares worth $4.82M
• Schneider Capital Management Corporation owns 2.74M shares worth $3.42M
• Rima Management owns 2.00M shares worth $2.49M
• Barai Capital Management owns 1.75M shares worth $6.06M
• STATE STREET CORPORATION owns 1.74M shares worth $2.17M
• AlphaOne Investment Services owns 1.66M shares worth $2.85M
• Cortina Asset Management owns 1.54M shares worth $2.05M
• Royce & Associates owns 1.53M shares worth $1.91M
• White Pine Capital owns 1.31M shares worth $1.64M
• Allianz Global Investors of America owns 1.24M shares worth $2.14M
• Artis Capital Management, L P owns 977359 shares worth $1.35M
• Anthion Management owns 977111 shares worth $1.22M
• TRUE BEARING ASSET MANAGEMENT owns 919354 shares worth $1.15M
• SMITH ASSET MANAGEMENT owns 865230 shares worth $1.49B
• Ameriprise Financial owns 833408 shares worth $1.00M
• PanAgora Asset Management owns 649645 shares worth $903006
• New York State Common Retirement Fund owns 541700 shares worth $650040
• Frank Russell Company owns 533666 shares worth $560349
• GOLDMAN SACHS owns 529950 shares worth $662437
• MAK Capital One owns 523966 shares worth $3.79M
• Technical Financial Services owns 516344 shares worth $619612
• CalPERS owns 509300 shares worth $636625
• Jacobs Levy Equity Management owns 493500 shares worth $616875
• MOORE CAPITAL MANAGEMENT owns 450000 shares worth $598500
• Ancora Advisors owns 444500 shares worth $555625
• Two Sigma Investments owns 430936 shares worth $517123
• Penbrook Managment owns 415400 shares worth $498480

• Shannon River Fund Management sold on Sept. 30, 2011
• TIAA-CREF Investment Management sold on Sept. 30, 2011
• Thomson Horstmann & Bryant, Inc." sold on June 30, 2011
• Valinor Management sold on June 30, 2011
• NorthPointe Capital sold on March 31, 2011
• GRANAHAN INVESTMENT MANAGEMENT INC/MA sold on March 31, 2011
• MCKINLEY CAPITAL MANAGEMENT sold on March 31, 2011
• Coe Capital Management sold on March 31, 2011
• Oberweis Asset Management sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• Driehaus Capital Management sold on Dec. 31, 2010
• Renaissance Technologies sold on Dec. 31, 2010
• Kingdon Capital Management sold on Dec. 31, 2010
• Diamondback Capital Management sold on March 31, 2009
• Level Management sold on March 31, 2006

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