GENEVA CAPITAL MANAGEMENT LLC

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1009232 MILWAUKEE, WI

Position in MPWR

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$45,013,787

+$1,552,032 QoQ

Shares Held

32,563

-18.1% QoQ

Ownership

0.066%

of shares outstanding

% of Portfolio

1.03%

of 13F equity value

Holder Rank

#145

of 1,244 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 81% Shared 0% None 19%

Technology · as of Jun 30, 2026

GENEVA CAPITAL MANAGEMENT LLC holds $143,387,743 across 3 Semiconductors names. MPWR ranks #2 (31.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MTSI	MACOM Technology Solutions Holdings, Inc.	252,722	$96,127,866
2	MPWR	Monolithic Power Systems, Inc. This page	32,563	$45,013,787
3	MRVL	Marvell Technology, Inc.	7,540	$2,246,090

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$45,013,787	32,563	-18.1%	Shares	Sole	2026-08-06
2026-03-31	$43,461,755	39,751	-7.2%	Shares	Sole	2026-05-06
2025-12-31	$38,834,806	42,847	+0.9%	Shares	Sole	2026-02-12
2025-09-30	$39,112,468	42,484	-2.2%	Shares	Sole	2025-11-13
2025-06-30	$31,786,505	43,461	+13.2%	Shares	Sole	2025-08-05
2025-03-31	$22,264,271	38,388	+5.6%	Shares	Sole	2025-05-09
2024-12-31	$21,501,784	36,339	+32.9%	Shares	Sole	2025-02-06
2024-09-30	$25,271,206	27,335	-2.5%	Shares	Sole	2024-11-05
2024-06-30	$23,043,192	28,044	+18.2%	Shares	Sole	2024-08-14
2024-03-31	$16,070,434	23,723	-0.7%	Shares	Sole	2024-05-03
2023-12-31	$15,069,964	23,891	+65.7%	Shares	Sole	2024-02-07
2023-09-30	$6,661,578	14,419	-14.1%	Shares	Sole	2023-11-13
2023-06-30	$9,065,058	16,780	-3.0%	Shares	Sole	2023-08-01
2023-03-31	$8,659,342	17,300	+4.1%	Shares	Sole	2023-05-15
2022-12-31	$5,874,169	16,612	-15.0%	Shares	Sole	2023-02-07
2022-09-30	$7,105,196	19,552	-5.1%	Shares	Sole	2022-11-02
2022-06-30	$7,909,303	20,595	+261.8%	Shares	Sole	2022-08-02
2022-03-31	$2,764,976	5,693	+78.7%	Shares	Sole	2022-05-02
2021-12-31	$1,571,749	3,186	-1.6%	Shares	Sole	2022-02-02
2021-09-30	$1,569,878	3,239	-98.4%	Shares	Sole	2021-11-08
2021-06-30	$75,779,725	202,918	-1.1%	Shares	Sole	2021-08-11
2021-03-31	$72,502,003	205,266	-33.6%	Shares	Sole	2021-05-03
2020-12-31	$113,152,984	308,967	-4.3%	Shares	Sole	2021-02-02
2020-09-30	$90,303,404	322,962	+2.5%	Shares	Sole	2020-11-12
2020-06-30	$74,675,382	315,086	+3.2%	Shares	Sole	2020-08-13
2020-03-31	$51,144,963	305,416	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.