AXCELIS TECHNOLOGIES INC

CUSIP: 054540109 Class: COMMON STOCK

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

Note: Option positions (PUT/CALL) are excluded.

Q2 2016
Shares 63,775 Value ($000) $686 Avg Close — Range —
Q1 2016
Shares 210,000 Value ($000) $588 Avg Close — Range —
Q4 2015
Shares 112,800 Value ($000) $292 Avg Close — Range —
Q3 2015
Shares 35,400 Value ($000) $95 Avg Close — Range —
Q2 2015
Shares 15,400 Value ($000) $46 Avg Close — Range —
Q1 2015
Shares 16,500 Value ($000) $39 Avg Close — Range —
Q3 2014
Shares 125,600 Value ($000) $250 Avg Close — Range —
Q2 2014
Shares 31,800 Value ($000) $64 Avg Close — Range —