Monolithic Power Systems MPWR Institutional Ownership

NASDAQ MPWR

$1,439.73 +78.76 (+5.79%)

At close: Oct 2, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,247 Institutions

Increased 639 51.2%

Unchanged 149 11.9%

Reduced 459 36.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

97.74%

▲+3.71 pp QoQ

Shares Held by Institutions

48.03Mn

of 49.14Mn outstanding

▲+6.72% QoQ

Shares Outstanding

49.14Mn

1.11Mn held outside 13F filers

Institutional Investors

1,247

filed 13F for Jun 2026

▲+128 vs prior quarter

Net Shares Added (QoQ)

+3.03Mn

accumulated since last quarter

Value of Holdings

$69.14Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Monolithic Power Systems, Inc. (NASDAQ:MPWR) has 1 institutional investors that have filed 13F reports for the period ending September 2026.

These investors collectively held 0.0% of Monolithic Power Systems's outstanding shares in September 2026, down from 97.7% in June 2026.
Their total shares held in MPWR increased 0.0% from the prior quarter, while the number of investors in Monolithic Power Systems decreased 99.9% year over year.
Activity in MPWR broke down as 1 buyers, 0 sellers, and 0 unchanged among 1 total holders.
Institutional investors collectively held 52 shares in Monolithic Power Systems as of September 2026, up by 52 shares quarter on quarter, and down 69.5Mn shares year over year.
BURKETT FINANCIAL SERVICES, LLC holds the largest position in MPWR at 52 shares as of September 30, 2026, or 0.0% of shares outstanding.
The largest buyers of Monolithic Power Systems for the quarter ending September 2026 were BURKETT FINANCIAL SERVICES, LLC (52).
Business Quant data shows the 1 biggest positions in Monolithic Power Systems as of September 2026 are held by BURKETT FINANCIAL SERVICES, LLC (52).

Form 13F Holdings

1,246 Institutional Holders

Report period 30 Jun, 2026

Total shares held 48.03Mn

Of outstanding 97.74%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	5,589,925	11.38%	▼482,542	-7.95%	$7.73Bn
2	FMR LLC	0000315066	5,177,258	10.54%	▲776,427	+17.64%	$7.16Bn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,126,756	6.36%	▲43,307	+1.40%	$4.32Bn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,504,858	5.10%	▼11,634	-0.46%	$3.46Bn
5	Invesco Ltd.	0000914208	2,343,930	4.77%	▲858,837	+57.83%	$3.24Bn
6	State Street Corp	0000093751	2,282,186	4.64%	▲93,732	+4.28%	$3.16Bn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,195,281	2.43%	▼236,785	-16.53%	$1.65Bn
8	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	976,798	1.99%	▼286,156	-22.66%	$1.35Mn
9	Franklin Templeton Inc	0000038777	811,974	1.65%	▼116,697	-12.57%	$1.12Bn
10	Goldman Sachs Group Inc	0000886982	780,650	1.59%	▲212,586	+37.42%	$1.08Bn
11	NORGES BANK	0001374170	751,399	1.53%	▲751,399	0.00%	$1.04Bn
12	VAN ECK ASSOCIATES CORP	0000869178	746,237	1.52%	▲221,666	+42.26%	$1.03Bn
13	Morgan Stanley	0000895421	727,871	1.48%	▲71,518	+10.90%	$1.01Bn
14	Bank Of America Corp /De/	0000070858	536,236	1.09%	▲154,074	+40.32%	$741.27Mn
15	Royal Bank Of Canada	0001000275	487,212	0.99%	▲13,844	+2.92%	$673.50Mn
16	FIRST TRUST ADVISORS LP	0001125816	482,781	0.98%	▼108,572	-18.36%	$667.38Mn
17	Northern Trust Corp	0000073124	479,492	0.98%	▼9,628	-1.97%	$662.83Mn
18	Barclays Plc	0000312069	474,132	0.96%	▼81,676	-14.70%	$655.42Mn
19	Rafferty Asset Management, LLC	0001389426	459,278	0.93%	▲141,805	+44.67%	$634.89Mn
20	UBS Group AG	0001610520	449,479	0.91%	▼90,934	-16.83%	$621.34Mn

Showing 1 to 20 of 1,246 holders