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Masimo
MASI

Overview Fund Activity

353 hedge funds and large institutions have $4.17B invested in Masimo in 2023 Q3 according to their latest regulatory filings, with 59 funds opening new positions, 79 increasing their positions, 157 reducing their positions, and 117 closing their positions.

Holders
353
Holders Change
-59
Holders Change %
-14.32%
% of All Funds
5.63%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.06%
New
59
Increased
79
Reduced
157
Closed
117
Calls
$208M
Puts
$58M
Net Calls
+$150M
Net Calls Change
+$125M

Top Buyers

1
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$133M
2
EC
2
Eminence Capital
New York
$90.9M
3
JSP
3
Jackson Square Partners
California
$75.6M
4
SHCM
4
Sachem Head Capital Management
New York
$55.6M
5
Capital Research Global Investors
5
Capital Research Global Investors
California
$187M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$460M
2
Fundsmith LLP
2
Fundsmith LLP
United Kingdom
$0
3
BlackRock
3
BlackRock
New York
$475M
4
GCM
4
Geneva Capital Management
Wisconsin
$0
5
Norges Bank
5
Norges Bank
Norway
$2.01M
Name Market Value Shares Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$30.5M 347,522 -9,612 -3%
Northern Trust
27
Northern Trust
Illinois
$29.3M 333,776 -83,768 -20%
ACH
28
ArrowMark Colorado Holdings
Colorado
$26.6M 302,851 +302,851 New
HI
29
HBK Investments
Texas
$25.9M 295,000 +295,000 New
Dimensional Fund Advisors
30
Dimensional Fund Advisors
Texas
$25M 285,446 +29,997 +12%
CC
31
Clearline Capital
New York
$24.2M 275,649 +275,649 New
JPMPWA
32
J.P. Morgan Private Wealth Advisors
California
$23M 261,856 -713 -0.3%
Citadel Advisors
33
Citadel Advisors
Florida
$22.5M 256,692 +217,158 +549%
Balyasny Asset Management
34
Balyasny Asset Management
Illinois
$22M 250,428 +193,634 +341%
Millennium Management
35
Millennium Management
New York
$21.1M 241,201 +22,219 +10%
FCM
36
Farallon Capital Management
California
$20M 227,649 -140,000 -38%
Susquehanna International Group
37
Susquehanna International Group
Pennsylvania
$18.6M 211,632 +200,638 +1,825%
GCM
38
Glenview Capital Management
New York
$18.3M 208,848 +208,848 New
Legal & General Group
39
Legal & General Group
United Kingdom
$17.7M 201,679 -100,917 -33%
RJA
40
Raymond James & Associates
Florida
$17.7M 201,652 -63,840 -24%
WHCM
41
Wolf Hill Capital Management
Connecticut
$17.5M 200,000 +200,000 New
Point72 Asset Management
42
Point72 Asset Management
Connecticut
$16.4M 186,644 +52,321 +39%
SEI Investments
43
SEI Investments
Pennsylvania
$16.1M 183,940 +127,249 +224%
Jane Street
44
Jane Street
New York
$15.5M 176,615 +175,106 +11,604%
Federated Hermes
45
Federated Hermes
Pennsylvania
$14.9M 169,635 +3,400 +2%
Principal Financial Group
46
Principal Financial Group
Iowa
$14.5M 165,787 -18,604 -10%
Retirement Systems of Alabama
47
Retirement Systems of Alabama
Alabama
$12.7M 144,598 -7,179 -5%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$12.5M 142,529 -16,455 -10%
Hudson Bay Capital Management
49
Hudson Bay Capital Management
Connecticut
$12.5M 142,524 +142,524 New
MAM
50
Montanaro Asset Management
United Kingdom
$12.5M 142,250 – –
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