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Monolithic Power Systems, Inc. MPWR

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1,253.30 USD -75.00 (-5.65%)

Nov 4, 2026, 3:57 PM EST

1,213.50 Day range 1,335.10

856.96 52-week range 1,689.89

YTD: +38.28%
1 year: +30.84%

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	$1.28B	0.28%
FXAIX	$860.42M	0.10%
SMH	$847.63M	1.31%
FBGRX	$837.10M	0.80%
IVV	$793.99M	0.09%
VUG	$760.29M	0.19%
SPY	$754.98M	0.09%
NIW	$519.14M	2.54%
VOT	$493.78M	1.48%
VGT	$482.95M	0.27%
SOXL	$453.69M	2.51%
XLK	$448.75M	0.39%
VINIX	$350.21M	0.10%
NBF	$311.15M	0.24%
NIZ	$309.33M	0.56%

Held by insiders 3.62%

Held by institutions 101.07%

Float held by institutions 104.87%

Institutions 1,790

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	11.37%	5,589,925	7.43B	Jun 29, 2026
FMR, LLC	10.54%	5,177,258	6.88B	Jun 29, 2026
Vanguard Capital Management LLC	6.36%	3,126,756	4.15B	Jun 29, 2026
Vanguard Portfolio Management LLC	5.10%	2,504,858	3.33B	Jun 29, 2026
Invesco Ltd.	4.77%	2,343,930	3.11B	Jun 29, 2026
State Street Corporation	4.64%	2,282,186	3.03B	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
Fidelity Select Portfolios-Select Semiconductors Portfolio	3.34%	1,642,848	2.18B	Aug 30, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.02%	1,481,838	1.97B	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund	2.59%	1,273,706	1.69B	Jun 29, 2026
iShares Trust-iShares Semiconductor ETF	2.28%	1,122,128	1.49B	Sep 29, 2026
Invesco QQQ Trust, Series 1	2.09%	1,026,507	1.36B	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund	2.06%	1,011,166	1.34B	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