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Masimo
MASI

Overview Fund Activity

362 hedge funds and large institutions have $8.5B invested in Masimo in 2024 Q4 according to their latest regulatory filings, with 63 funds opening new positions, 117 increasing their positions, 115 reducing their positions, and 50 closing their positions.

Holders
362
Holders Change
+5
Holders Change %
+1.4%
% of All Funds
4.82%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
63
Increased
117
Reduced
115
Closed
50
Calls
$21.3M
Puts
$12.6M
Net Calls
+$8.76M
Net Calls Change
-$29M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.34B
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$406M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$287M
4
AllianceBernstein
4
AllianceBernstein
Tennessee
$157M
5
Millennium Management
5
Millennium Management
New York
$67.5M

Top Sellers

1
AMG
1
Ace Management Global
Brazil
$7.88M
2
FCM
2
Farallon Capital Management
California
$65.6M
3
RI
3
RTW Investments
New York
$113M
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$127M
5
Man Group
5
Man Group
United Kingdom
$10.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Rockefeller Capital Management
51
Rockefeller Capital Management
New York
$15M 90,901 -46,492 -34%
Swiss National Bank
52
Swiss National Bank
Switzerland
$14.8M 89,400 +1,100 +1%
CCM
53
Catalio Capital Management
New York
$14.4M 87,377 +87,377 New
TI
54
Tidal Investments
Wisconsin
$14.3M 86,731 +84,342 +3,530%
TD Asset Management
55
TD Asset Management
Ontario, Canada
$14M 84,640 +38,332 +83%
GI
56
GAMCO Investors
Connecticut
$14M 84,500 – –
EAM
57
Erste Asset Management
Austria
$13.9M 82,652 +27,652 +50%
Nuveen Asset Management
58
Nuveen Asset Management
Illinois
$12.5M 75,754 -7,973 -10%
California Public Employees Retirement System
59
California Public Employees Retirement System
California
$11.6M 70,229 -3,084 -4%
Man Group
60
Man Group
United Kingdom
$10.7M 64,889 -335,056 -84%
PD
61
Point72 (DIFC)
United Arab Emirates
$9.66M 58,417 +58,417 New
Walleye Capital
62
Walleye Capital
New York
$9.08M 54,938 +10,063 +22%
Retirement Systems of Alabama
63
Retirement Systems of Alabama
Alabama
$8.93M 54,035 -60,225 -53%
Barclays
64
Barclays
United Kingdom
$8.8M 53,219 +13,262 +33%
Federated Hermes
65
Federated Hermes
Pennsylvania
$8.72M 52,734 -65,881 -56%
Manulife (Manufacturers Life Insurance)
66
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$8.51M 51,457 +14,931 +41%
WP
67
Woodline Partners
California
$8.46M 51,185 +41,885 +450%
CF
68
Corebridge Financial
Texas
$8.35M 50,536 -1,930 -4%
Allspring Global Investments
69
Allspring Global Investments
North Carolina
$8.22M 48,764 +46,370 +1,937%
LCM
70
Logan Capital Management
Pennsylvania
$7.9M 47,787 -2,565 -5%
AMG
71
Ace Management Global
Brazil
$7.88M 47,694 -917,810 -95%
First Trust Advisors
72
First Trust Advisors
Illinois
$7.82M 47,328 +41,952 +780%
MAM
73
Montanaro Asset Management
United Kingdom
$7.69M 46,500 -9,200 -17%
New York State Teachers Retirement System (NYSTRS)
74
New York State Teachers Retirement System (NYSTRS)
New York
$7.48M 45,248 -200 -0.4%
State Board of Administration of Florida Retirement System
75
State Board of Administration of Florida Retirement System
Florida
$7.08M 42,861 -40 -0.1%
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