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Masimo
MASI

Overview Fund Activity

424 hedge funds and large institutions have $8.3B invested in Masimo in 2023 Q1 according to their latest regulatory filings, with 67 funds opening new positions, 134 increasing their positions, 141 reducing their positions, and 38 closing their positions.

Holders
424
Holders Change
+21
Holders Change %
+5.21%
% of All Funds
6.79%
Holding in Top 10
11
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+120%
% of All Funds
0.18%
New
67
Increased
134
Reduced
141
Closed
38
Calls
$31.6M
Puts
$13.2M
Net Calls
+$18.5M
Net Calls Change
+$8.84M

Top Buyers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$305M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$1.12B
3
Millennium Management
3
Millennium Management
New York
$73M
4
Rockefeller Capital Management
4
Rockefeller Capital Management
New York
$29.5M
5
Citadel Advisors
5
Citadel Advisors
Florida
$28.8M

Top Sellers

1
Goldman Sachs
1
Goldman Sachs
New York
$11.5M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$862M
3
Morgan Stanley
3
Morgan Stanley
New York
$57.4M
4
FCM
4
Farallon Capital Management
California
$117M
5
Canada Pension Plan Investment Board
5
Canada Pension Plan Investment Board
Ontario, Canada
$0
Name Market Value Shares Shares
Change 		Shares
Change %
WP
426
Woodline Partners
California
– – -80,516 Closed
MFS
427
Mirabella Financial Services
United Kingdom
– – -47,440 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
428
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– – -21,000 Closed
IG
429
ING Group
Netherlands
– – -20,200 Closed
Squarepoint
430
Squarepoint
New York
– – -19,862 Closed
PP
431
PDT Partners
New York
– – -16,055 Closed
CWM
432
CIBC World Markets
New York
– – -13,000 Closed
Jacobs Levy Equity Management
433
Jacobs Levy Equity Management
New Jersey
– – -10,105 Closed
AG
434
Algert Global
California
– – -10,094 Closed
TI
435
Trexquant Investment
Connecticut
– – -9,955 Closed
BAM
436
Blueshift Asset Management
New Jersey
– – -7,240 Closed
CC
437
Cipher Capital
New York
– – -3,999 Closed
PI
438
PEAK6 Investments
Illinois
– – -3,365 Closed
AC
439
Allstate Corporation
Illinois
– – -3,086 Closed
YIH
440
Y-Intercept (HK)
Hong Kong
– – -2,960 Closed
Wolverine Trading
441
Wolverine Trading
Illinois
– – -2,717 Closed
DT
442
Diversified Trust
Tennessee
– – -2,222 Closed
WCM
443
Washington Capital Management
Washington
– – -2,200 Closed
ALAM
444
Asahi Life Asset Management
Japan
– – -2,040 Closed
CIA
445
Capital Impact Advisors
Massachusetts
– – -1,871 Closed
Qube Research & Technologies (QRT)
446
Qube Research & Technologies (QRT)
United Kingdom
– – -1,644 Closed
EI
447
Ethic Inc
New York
– – -1,396 Closed
Walleye Trading
448
Walleye Trading
New York
– – -1,107 Closed
AWM
449
Atticus Wealth Management
Florida
– – -1,000 Closed
AIC
450
Archer Investment Corporation
Indiana
– – -550 Closed
15 16 17
18
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