Ground Swell Capital, LLC

Position in MASI — Masimo Corp

CIK 1534450 FOLLY BEACH, SC

Position in MASI

as of Mar 31, 2026 · filed Apr 21, 2026 Compact

Position Value

$234,610

New position

Shares Held

1,319

first reported quarter

Ownership

0.003%

of shares outstanding

% of Portfolio

0.97%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Ground Swell Capital, LLC holds $257,865 across 3 Medical Devices names. MASI ranks #1 (91.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MASI	Masimo Corp This page	1,319	$234,610
2	PMI	Picard Medical, Inc.	14,821	$15,413
3	QSI	Quantum-Si Inc	10,132	$7,842

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$234,610	1,319	—	Shares	Sole	2026-04-21
No filing history on record for this holder in this stock.