POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

BAILLIE GIFFORD & CO's Holding History (CIK: 0001088875)

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

Q4 2016
Shares 80,680 Value ($000) $5,474 Avg Close $29.96 Range $27.74 - $32.06
Q3 2016
Shares 80,680 Value ($000) $5,085 Avg Close $25.95 Range $21.76 - $28.92
Q2 2016
Shares 80,680 Value ($000) $4,039 Avg Close $22.25 Range $20.39 - $24.96
Q1 2016
Shares 80,680 Value ($000) $4,006 Avg Close $20.90 Range $17.93 - $22.74
Q4 2015
Shares 80,680 Value ($000) $3,923 Avg Close $22.06 Range $18.20 - $23.98
Q3 2015
Shares 80,680 Value ($000) $3,403 Avg Close $18.09 Range $16.26 - $20.65
Q2 2015
Shares 80,680 Value ($000) $3,645 Avg Close $22.52 Range $19.63 - $24.33
Q1 2015
Shares 80,680 Value ($000) $4,202 Avg Close $24.21 Range $22.14 - $26.42
Q4 2014
Shares 72,680 Value ($000) $3,760 Avg Close $22.81 Range $19.04 - $25.19
Q3 2014
Shares 62,680 Value ($000) $3,379 Avg Close $25.20 Range $22.98 - $28.86
Q2 2014
Shares 62,680 Value ($000) $3,606 Avg Close $24.97 Range $16.99 - $30.03
Q1 2014
Shares 62,680 Value ($000) $4,123 Avg Close $27.03 Range $24.11 - $30.73
Q4 2013
Shares 15,500 Value ($000) $865 Avg Close $24.04 Range $22.49 - $26.82
Q3 2013
Shares 15,500 Value ($000) $839 Avg Close $23.02 Range $17.96 - $25.46
Q2 2013
Shares 8,500 Value ($000) $345 Avg Close $18.48 Range $16.68 - $20.17