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Masimo
MASI

Overview Fund Activity

357 hedge funds and large institutions have $6.68B invested in Masimo in 2024 Q3 according to their latest regulatory filings, with 59 funds opening new positions, 108 increasing their positions, 121 reducing their positions, and 50 closing their positions.

Holders
357
Holders Change
+7
Holders Change %
+2%
% of All Funds
5.16%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
59
Increased
108
Reduced
121
Closed
50
Calls
$80.4M
Puts
$42.6M
Net Calls
+$37.8M
Net Calls Change
+$40M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$901M
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$204M
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$99.3M
4
Capital Research Global Investors
4
Capital Research Global Investors
California
$181M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$186M

Top Sellers

1
Thrivent Financial for Lutherans
1
Thrivent Financial for Lutherans
Minnesota
$1.38M
2
Millennium Management
2
Millennium Management
New York
$3.9M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$0
4
BlackRock
4
BlackRock
New York
$1.18B
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$603M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$1.18B 8,822,269 -528,970 -6%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$901M 6,756,618 +1,970,883 +41%
PCM
3
Politan Capital Management
New York
$629M 4,714,746 – –
Vanguard Group
4
Vanguard Group
Pennsylvania
$603M 4,520,487 -216,864 -5%
T. Rowe Price Investment Management
5
T. Rowe Price Investment Management
Maryland
$204M 1,526,488 +372,137 +32%
RI
6
RTW Investments
New York
$195M 1,462,400 – –
State Street
7
State Street
Massachusetts
$192M 1,438,814 +10,179 +0.7%
Westfield Capital Management
8
Westfield Capital Management
Massachusetts
$186M 1,394,056 +262,370 +23%
Capital Research Global Investors
9
Capital Research Global Investors
California
$181M 1,360,328 +303,192 +29%
FCM
10
Farallon Capital Management
California
$168M 1,258,563 +139,000 +12%
AMG
11
Ace Management Global
Brazil
$129M 965,504 -95,415 -9%
Holocene Advisors
12
Holocene Advisors
New York
$117M 875,159 -162,291 -16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$106M 792,886 +11,984 +2%
Massachusetts Financial Services
14
Massachusetts Financial Services
Massachusetts
$106M 792,166 +70,440 +10%
LIP
15
Liontrust Investment Partners
United Kingdom
$102M 808,693 – –
Alyeska Investment Group
16
Alyeska Investment Group
Illinois
$99.3M 745,127 +314,196 +73%
Morgan Stanley
17
Morgan Stanley
New York
$98.2M 736,856 +261,053 +55%
Schroder Investment Management Group
18
Schroder Investment Management Group
United Kingdom
$97.6M 732,621 +203,998 +39%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$79.7M 597,698 +72,104 +14%
Man Group
20
Man Group
United Kingdom
$53.3M 399,945 +108,156 +37%
Sumitomo Mitsui Trust Group
21
Sumitomo Mitsui Trust Group
Japan
$49.6M 372,183 -18,843 -5%
Charles Schwab
22
Charles Schwab
California
$49.3M 370,028 -23,260 -6%
BAMCO Inc
23
BAMCO Inc
New York
$46.3M 347,200 – –
Two Sigma Investments
24
Two Sigma Investments
New York
$45.7M 342,827 +91,871 +37%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$45.6M 341,960 -47,804 -12%
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