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Monolithic Power Systems, Inc. MPWR

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1,325.87 USD +81.92 (+6.59%)

Nov 3, 2026, 3:56 PM EST

1,275.75 Day range 1,363.36

856.96 52-week range 1,689.89

YTD: +46.29%
1 year: +32.07%

Funds holding MPWR, by value held
Fund	Value held	Weight in fund
VTI	$2.00B	0.09%
VOO	$1.74B	0.10%
FSELX	$1.73B	3.61%
SOXX	$1.53B	3.42%
VO	$1.35B	0.62%
QQQ	$1.24B	0.27%
FXAIX	$860.42M	0.10%
FBGRX	$837.10M	0.80%
SMH	$825.93M	1.24%
IVV	$793.99M	0.09%
VUG	$760.29M	0.19%
SPY	$721.34M	0.09%
NIW	$519.14M	2.54%
VOT	$493.78M	1.48%
VGT	$482.95M	0.27%
XLK	$431.05M	0.35%
SOXL	$430.01M	2.16%
VINIX	$350.21M	0.10%
NBF	$311.15M	0.24%
NIZ	$309.33M	0.56%

Held by insiders 3.62%

Held by institutions 101.18%

Float held by institutions 104.98%

Institutions 1,783

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	11.37%	5,589,925	6.95B	Jun 29, 2026
FMR, LLC	10.54%	5,177,258	6.44B	Jun 29, 2026
Vanguard Capital Management LLC	6.36%	3,126,756	3.89B	Jun 29, 2026
Vanguard Portfolio Management LLC	5.10%	2,504,858	3.12B	Jun 29, 2026
Invesco Ltd.	4.77%	2,343,930	2.92B	Jun 29, 2026
State Street Corporation	4.64%	2,282,186	2.84B	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
Fidelity Select Portfolios-Select Semiconductors Portfolio	3.34%	1,642,848	2.04B	Aug 30, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.02%	1,481,838	1.84B	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund	2.59%	1,273,706	1.58B	Jun 29, 2026
iShares Trust-iShares Semiconductor ETF	2.28%	1,122,128	1.40B	Sep 29, 2026
Invesco QQQ Trust, Series 1	2.09%	1,026,507	1.28B	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund	2.06%	1,011,166	1.26B	Jun 29, 2026

MPWR insiders
Insider	Relation	Latest transaction	Date	Shares held
BLEGEN THEODORE BERNHARD	Chief Financial Officer	Sale	Feb 5, 2026	93,015
DEAN ROBERT W II	Chief Financial Officer	Sale	Aug 23, 2026	7,154
ELMIGER EUGEN J	Director	Sale	May 5, 2026	5,402
HSING MICHAEL R	Chief Executive Officer	Sale	Sep 27, 2026	964,129
LEE VICTOR K	Director	Sale	Feb 8, 2026	27,756
MARTINEZ CARINTIA	Director	Stock Award(Grant)	Feb 2, 2026	1,067