3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q1 2015
Shares 1,611 Value ($000) $255 Avg Close $96.87 Range $92.41 - $100.50
Q4 2014
Shares 1,611 Value ($000) $265 Avg Close $89.68 Range $76.10 - $98.51
Q3 2014
Shares 1,750 Value ($000) $248 Avg Close $83.50 Range $80.18 - $86.16
Q2 2014
Shares 2,450 Value ($000) $351 Avg Close $81.05 Range $76.00 - $84.30
Q1 2014
Shares 2,680 Value ($000) $364 Avg Close $76.26 Range $70.70 - $79.67
Q4 2013
Shares 3,009 Value ($000) $422 Avg Close $72.67 Range $66.39 - $80.32
Q3 2013
Shares 3,009 Value ($000) $359 Avg Close $65.98 Range $61.25 - $69.59
Q2 2013
Shares 3,172 Value ($000) $347 Avg Close $61.26 Range $57.91 - $64.10