MASI — MASIMO CORP

Ownership history in DRW Securities, LLC  ·  2 quarters on record

This page tracks every 13F SEC filing in which DRW Securities, LLC reported a position in MASIMO CORP (MASI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.02% (2023 Q2)
Avg. % of fund
0.02%
First filed
2023 Q2
Last filed
2025 Q3
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 3,222 -2,778 -46.3% 0.01% $476K $147.55
2023 Q2 INITIATED 6,000 — — 0.02% $987K $164.55
% of Fund (quarterly)    MASI price (monthly, adj. close)

Other funds also holding MASI

As of 2025 Q4 — sorted by position size

Politan Capital Management LP 3Y 71.01% NAYA CAPITAL MANAGEMENT UK LTD 3Y 7Y 15.28% LOCKERMAN FINANCIAL GROUP, INC. 3Y 2.94% Parkman Healthcare Partners LLC 3Y 2.48% WILSON ASSET MANAGEMENT (INTERNATIONAL) PTY LTD 3Y 1.32% Alpha Wave Global, LP 3Y 7Y 1.2% RTW INVESTMENTS, LP 3Y 7Y 0.89% WESTFIELD CAPITAL MANAGEMENT CO LP 3Y 7Y 0.82% LECAP ASSET MANAGEMENT LTD 0.68% Birchview Capital, LP 3Y 7Y 0.63%
← Back to DRW Securities, LLC Holdings