MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

OSTERWEIS CAPITAL MANAGEMENT INC's Holding History (CIK: 0001007524)

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

Q4 2021

Shares 40,870 Value ($000) $20,162 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 50,881 Value ($000) $24,661 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 54,391 Value ($000) $20,312 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 64,220 Value ($000) $22,683 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 79,780 Value ($000) $29,218 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 81,599 Value ($000) $22,816 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 99,489 Value ($000) $23,579 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 102,189 Value ($000) $17,113 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 117,233 Value ($000) $20,870 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 117,408 Value ($000) $18,273 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 117,703 Value ($000) $15,981 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 122,050 Value ($000) $16,536 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 175,945 Value ($000) $20,454 Avg Close $112.91 Range $96.22 - $130.06

Q4 2016

Shares 26,331 Value ($000) $2,157 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 30,000 Value ($000) $2,415 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 37,700 Value ($000) $2,576 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 37,700 Value ($000) $2,399 Avg Close $54.76 Range $50.58 - $59.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	40,870	$20,162	$500.08	$444.81 - $561.94
Q3 2021	50,881	$24,661	$440.15	$351.70 - $504.81
Q2 2021	54,391	$20,312	$340.03	$291.31 - $382.48
Q1 2021	64,220	$22,683	$351.26	$290.78 - $392.28
Q4 2020	79,780	$29,218	$308.64	$261.69 - $353.99
Q3 2020	81,599	$22,816	$250.15	$223.49 - $273.49
Q2 2020	99,489	$23,579	$194.18	$144.85 - $229.19
Q1 2020	102,189	$17,113	$163.85	$124.42 - $184.64
Q4 2019	117,233	$20,870	$152.39	$125.11 - $175.03
Q3 2019	117,408	$18,273	$142.31	$127.77 - $155.32
Q2 2019	117,703	$15,981	$129.05	$108.95 - $152.95
Q1 2019	122,050	$16,536	$124.16	$101.64 - $137.81
Q4 2018	175,945	$20,454	$112.91	$96.22 - $130.06
Q4 2016	26,331	$2,157	$74.44	$69.57 - $81.67
Q3 2016	30,000	$2,415	$68.33	$60.21 - $75.04
Q2 2016	37,700	$2,576	$60.38	$55.33 - $65.50
Q1 2016	37,700	$2,399	$54.76	$50.58 - $59.11