A detailed history of Dark Forest Capital Management LP transactions in Masimo Corp stock. As of the latest transaction made, Dark Forest Capital Management LP holds 10,009 shares of MASI stock, worth $1.51 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares
10,009
Holding current value
$1.51 Million
% of portfolio
0.06%

Shares

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

Nov 17, 2025

BUY
$136.77 - $171.34 $1.37 Million - $1.71 Million
10,009 New
10,009 $1.48 Million
Q1 2023

May 12, 2023

BUY
$146.03 - $184.54 $74,475 - $94,115
510 New
510 $94,000
Q2 2022

Aug 15, 2022

BUY
$112.97 - $151.71 $564 - $758
5 New
5 $1,000
Q1 2022

May 13, 2022

SELL
$135.71 - $284.87 $12,621 - $26,492
-93 Closed
0 $0
Q4 2021

Feb 11, 2022

BUY
$266.41 - $303.29 $24,776 - $28,205
93 New
93 $27,000

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
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