COOKSON PEIRCE & CO INC

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1141455 PITTSBURGH, PA

Position in MPWR

as of Jun 30, 2026 · filed Jul 23, 2026 Compact

Position Value

$40,793,443

+$8,568,046 QoQ

Shares Held

29,510

+0.1% QoQ

Ownership

0.060%

of shares outstanding

% of Portfolio

1.40%

of 13F equity value

Holder Rank

#153

of 1,235 holders

Holding Since

Jun 2020

12 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Technology · as of Jun 30, 2026

COOKSON PEIRCE & CO INC holds $404,787,500 across 13 Semiconductors names. MPWR ranks #3 (10.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TSM	Taiwan Semiconductor Manufacturing Co Ltd	450,703	$215,242,231
2	MU	Micron Technology Inc	65,410	$75,502,108
3	MPWR	Monolithic Power Systems, Inc. This page	29,510	$40,793,443
4	NVDA	Nvidia Corp	156,203	$31,254,658
5	AVGO	Broadcom Inc.	75,832	$28,645,538
6	MRVL	Marvell Technology, Inc.	20,138	$5,998,908
7	NXPI	NXP Semiconductors N.V.	8,939	$2,512,127
8	SMTC	Semtech Corp	14,058	$2,275,287

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$40,793,443	29,510	+0.1%	Shares	Sole	2026-07-23
2026-03-31	$32,225,397	29,474	+38.1%	Shares	Sole	2026-04-30
2025-12-31	$19,338,096	21,336	+3814.9%	Shares	Sole	2026-02-11
2025-09-30	$501,748	545	-21.5%	Shares	Sole	2025-11-06
2024-09-30	$641,603	694	+1.0%	Shares	Sole	2024-11-12
2024-06-30	$564,494	687	-61.7%	Shares	Sole	2024-08-14
2022-03-31	$872,281	1,796	-1.0%	Shares	Sole	2022-05-03
2021-12-31	$895,393	1,815	+7.6%	Shares	Sole	2022-01-31
2021-09-30	$817,655	1,687	-65.9%	Shares	Sole	2021-11-04
2020-12-31	$1,812,838	4,950	+13.2%	Shares	Sole	2021-02-10
2020-09-30	$1,222,454	4,372	+44.2%	Shares	Sole	2020-11-04
2020-06-30	$718,584	3,032	—	Shares	Sole	2020-08-07
No filing history on record for this holder in this stock.