Westfield Capital Management CO LP Masimo Corp Transaction History
Westfield Capital Management CO LP
- $21.9 Billion
- Q3 2025
A detailed history of Westfield Capital Management CO LP transactions in Masimo Corp stock. As of the latest transaction made, Westfield Capital Management CO LP holds 1,419,250 shares of MASI stock, worth $214 Million. This represents 0.95% of its overall portfolio holdings.
Number of Shares
1,419,250
Previous 671,479
111.36%
Holding current value
$214 Million
Previous $112 Million
87.19%
% of portfolio
0.95%
Previous 0.58%
Shares
25 transactions
Others Institutions Holding MASI
# of Institutions
397Shares Held
47MCall Options Held
36.2KPut Options Held
72.4K-
Black Rock Inc. New York, NY9.35MShares$1.41 Billion0.03% of portfolio
-
Vanguard Group Inc Valley Forge, PA4.81MShares$727 Million0.01% of portfolio
-
Politan Capital Management LP New York, NY4.59MShares$694 Million61.61% of portfolio
-
Massachusetts Financial Services CO Boston, MA2.62MShares$396 Million0.13% of portfolio
-
T. Rowe Price Investment Management, Inc. Baltimore, MD2.13MShares$321 Million0.19% of portfolio
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...