IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q4 2017

Shares 3,762 Value ($000) $806 Avg Close $212.25 Range $185.00 - $248.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	3,762	$806	$212.25	$185.00 - $248.23