4D Advisors, LLC

SEC CIK: 0001938268
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MASI holding history

Masimo Corp in every 13F filed by 4D Advisors, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MASI overview All 13F holders of MASI Full Q2 2026 holdings

Shares (Q3 2025): 0; Sold out in Q3 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2025

Holdings of MASI by 4D Advisors, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2025	0	$0	0.0%	−45,000−100.0%	Sold out	Holders
Q2 2025	45,000	$7.57M	4.1%	+15,000+50.0%	Added	Holders
Q1 2025	30,000	$5.00M	3.9%	+30,000	New	Holders