IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

American Trust Investment Advisors, LLC's Holding History (CIK: 0001291424)

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

Q4 2017
Shares 10,335 Value ($000) $2,213 Avg Close $212.25 Range $185.00 - $248.23
Q3 2017
Shares 11,755 Value ($000) $2,175 Avg Close $166.10 Range $144.71 - $187.98
Q2 2017
Shares 12,412 Value ($000) $1,801 Avg Close $134.25 Range $116.82 - $149.29
Q1 2017
Shares 12,387 Value ($000) $1,495 Avg Close $113.15 Range $95.04 - $124.27
Q4 2016
Shares 12,317 Value ($000) $1,216 Avg Close $93.27 Range $81.00 - $102.46
Q3 2016
Shares 12,362 Value ($000) $1,018 Avg Close $83.55 Range $76.64 - $88.76
Q2 2016
Shares 9,912 Value ($000) $793 Avg Close $87.94 Range $76.22 - $102.90
Q1 2016
Shares 14,422 Value ($000) $1,386 Avg Close $84.83 Range $73.55 - $98.26
Q4 2015
Shares 14,422 Value ($000) $1,286 Avg Close $85.71 Range $70.21 - $95.12
Q3 2015
Shares 14,444 Value ($000) $1,097 Avg Close $84.77 Range $71.63 - $96.50
Q2 2015
Shares 14,444 Value ($000) $1,230 Avg Close $94.02 Range $81.88 - $102.49
Q1 2015
Shares 14,445 Value ($000) $1,339 Avg Close $86.33 Range $69.86 - $101.69
Q4 2014
Shares 13,345 Value ($000) $1,000 Avg Close $71.14 Range $60.75 - $77.99