MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q3 2015
Shares 10,400 Value ($000) $256 Avg Close — Range —
Q2 2015
Shares 10,400 Value ($000) $275 Avg Close — Range —
Q1 2015
Shares 10,400 Value ($000) $250 Avg Close — Range —
Q4 2014
Shares 10,400 Value ($000) $228 Avg Close — Range —
Q3 2014
Shares 10,400 Value ($000) $213 Avg Close — Range —
Q2 2014
Shares 10,400 Value ($000) $224 Avg Close — Range —
Q1 2014
Shares 10,400 Value ($000) $229 Avg Close — Range —
Q4 2013
Shares 10,400 Value ($000) $250 Avg Close — Range —
Q3 2013
Shares 10,400 Value ($000) $243 Avg Close — Range —
Q2 2013
Shares 10,400 Value ($000) $203 Avg Close — Range —