MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

ICON ADVISERS INC/CO's Holding History (CIK: 0001058470)

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

Q1 2019

Shares 124,649 Value ($000) $16,889 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 124,649 Value ($000) $14,490 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 78,749 Value ($000) $9,885 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 92,712 Value ($000) $12,393 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 92,712 Value ($000) $10,733 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 91,600 Value ($000) $10,292 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 8,400 Value ($000) $895 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 8,400 Value ($000) $810 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 8,400 Value ($000) $774 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 8,400 Value ($000) $688 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 16,300 Value ($000) $1,312 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 26,900 Value ($000) $1,838 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 23,300 Value ($000) $1,483 Avg Close $54.76 Range $50.58 - $59.11

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	124,649	$16,889	$124.16	$101.64 - $137.81
Q4 2018	124,649	$14,490	$112.91	$96.22 - $130.06
Q3 2018	78,749	$9,885	$131.20	$117.51 - $143.26
Q2 2018	92,712	$12,393	$119.62	$102.58 - $133.88
Q1 2018	92,712	$10,733	$111.03	$96.61 - $119.53
Q4 2017	91,600	$10,292	$108.54	$98.18 - $118.56
Q3 2017	8,400	$895	$94.77	$87.95 - $100.67
Q2 2017	8,400	$810	$88.76	$82.13 - $96.78
Q1 2017	8,400	$774	$82.35	$76.05 - $87.81
Q4 2016	8,400	$688	$74.44	$69.57 - $81.67
Q3 2016	16,300	$1,312	$68.33	$60.21 - $75.04
Q2 2016	26,900	$1,838	$60.38	$55.33 - $65.50
Q1 2016	23,300	$1,483	$54.76	$50.58 - $59.11