GROUP ONE TRADING, L.P. - AXCELIS TECHNOLOGIES INC ownership

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AXCELIS TECHNOLOGIES INC's ticker is and the CUSIP is 54540109. A total of 3 filers reported holding AXCELIS TECHNOLOGIES INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AXCELIS TECHNOLOGIES INC
ValueSharesWeighting
Q2 2014$3,000
-66.7%
1,331
-69.3%
0.00%–
Q1 2014$9,000
-50.0%
4,331
-41.7%
0.00%–
Q4 2013$18,000
+200.0%
7,431
+155.6%
0.00%–
Q3 2013$6,000–2,907–0.00%–
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Other shareholders
AXCELIS TECHNOLOGIES INC shareholders Q4 2013
NameSharesValueWeighting ↓
GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 575,000$1,403,0000.37%
Antonetti Capital Management LLC 2,234$5,0000.01%
GROUP ONE TRADING, L.P. 7,431$18,0000.00%
View complete list of AXCELIS TECHNOLOGIES INC shareholders