IRIDIAN ASSET MANAGEMENT LLC/CT - AXCELIS TECHNOLOGIES INC ownership

AXCELIS TECHNOLOGIES INC's ticker is ACLS and the CUSIP is 054540109. A total of 85 filers reported holding AXCELIS TECHNOLOGIES INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
IRIDIAN ASSET MANAGEMENT LLC/CT ownership history of AXCELIS TECHNOLOGIES INC
ValueSharesWeighting
Q3 2015$341,000
-9.8%
127,6750.0%0.00%0.0%
Q2 2015$378,000
+35.5%
127,675
+9.0%
0.00%
+50.0%
Q1 2015$279,000
-7.0%
117,1100.0%0.00%
-33.3%
Q4 2014$300,000
-15.5%
117,110
-34.4%
0.00%
-25.0%
Q3 2014$355,000
-0.6%
178,5800.0%0.00%0.0%
Q2 2014$357,000
-33.9%
178,580
-28.9%
0.00%
-33.3%
Q1 2014$540,000
-32.7%
251,250
-23.6%
0.01%
-33.3%
Q4 2013$802,000
+29.4%
328,840
+12.0%
0.01%
+12.5%
Q3 2013$620,000
+15.9%
293,730
-0.1%
0.01%
+14.3%
Q2 2013$535,000294,0400.01%
Other shareholders
AXCELIS TECHNOLOGIES INC shareholders Q4 2014
NameSharesValueWeighting ↓
Potomac Capital Management, Inc. 4,298,744$10,489,0008.92%
THOMPSON DAVIS & CO., INC. 491,300$1,199,0001.81%
DSC Advisors, L.P. 1,500,000$3,660,0001.78%
Penbrook Management LLC 521,300$1,272,0001.23%
True Bearing Asset Management LP 1,058,854$2,584,0001.23%
Verition Fund Management LLC 1,862,821$4,545,0000.81%
WHITE PINE CAPITAL LLC 1,705,800$4,162,0000.77%
Donald Smith & Co. 10,849,200$26,472,0000.53%
EDMUNDS WHITE PARTNERS LLC 153,167$372,0000.51%
SCHNEIDER CAPITAL MANAGEMENT CORP 2,175,254$5,308,0000.49%
View complete list of AXCELIS TECHNOLOGIES INC shareholders