A detailed history of Viking Global Investors LP transactions in Masimo Corp stock. As of the latest transaction made, Viking Global Investors LP holds 1,073,433 shares of MASI stock, worth $162 Million. This represents 0.45% of its overall portfolio holdings.

Number of Shares
1,073,433
Previous 767,426 39.87%
Holding current value
$162 Million
Previous $129 Million 22.69%
% of portfolio
0.45%
Previous 0.41%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$136.77 - $171.34 $41.9 Million - $52.4 Million
306,007 Added 39.87%
1,073,433 $158 Million
Q2 2025

Aug 14, 2025

BUY
$144.4 - $171.97 $111 Million - $132 Million
767,426 New
767,426 $129 Million

Others Institutions Holding MASI

About MASIMO CORP


  • Ticker MASI
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Instruments & Supplies
  • Shares Outstandng 52,530,200
  • Market Cap $7.94B
  • Description
  • Masimo Corporation develops, manufactures, and markets noninvasive monitoring technologies and hospital automation solutions worldwide. The company offers masimo signal extraction technology (SET) pulse oximetry with measure-through motion and low perfusion pulse oximetry monitoring to address the primary limitations of conventional pulse oximet...
More about MASI
Track This Portfolio

Track Viking Global Investors LP Portfolio

Follow Viking Global Investors LP and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Viking Global Investors LP, based on Form 13F filings with the SEC.

News

Stay updated on Viking Global Investors LP with notifications on news.