PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

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

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

Q3 2015
Shares 20,700 Value ($000) $553 Avg Close $42.77 Range $24.63 - $62.15
Q2 2015
Shares 20,700 Value ($000) $996 Avg Close $58.34 Range $46.17 - $78.72
Q1 2015
Shares 20,700 Value ($000) $1,260 Avg Close $61.01 Range $46.91 - $77.87
Q4 2014
Shares 20,200 Value ($000) $1,046 Avg Close $44.02 Range $33.02 - $57.50
Q3 2014
Shares 20,200 Value ($000) $889 Avg Close $31.28 Range $22.70 - $47.20
Q2 2014
Shares 20,200 Value ($000) $528 Avg Close $21.40 Range $14.51 - $28.75
Q1 2014
Shares 20,200 Value ($000) $528 Avg Close $26.87 Range $16.21 - $34.65
Q3 2013
Shares 20,200 Value ($000) $433 Avg Close $17.38 Range $13.88 - $24.38