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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 %
QC
351
Quent Capital
New York
$1.82K 11 – –
CA
352
Continuum Advisory
Idaho
$1.49K 9 – –
Lazard Asset Management
353
Lazard Asset Management
New York
$1K 10 -583 -98%
MG
354
Mather Group
Illinois
$992 6 – –
DPW
355
DiNuzzo Private Wealth
Pennsylvania
$992 6 – –
Kayne Anderson Rudnick Investment Management
356
Kayne Anderson Rudnick Investment Management
California
$827 5 – –
PWMG
357
Prestige Wealth Management Group
New Jersey
$662 4 – –
GRP
358
Global Retirement Partners
California
$331 2 -2 -50%
CFP
359
Comprehensive Financial Planning
Pennsylvania
$331 2 +2 New
GFPC
360
Global Financial Private Client
Florida
$331 2 +2 New
RIL
361
Rothschild Investment LLC
Illinois
$165 1 – –
PWM
362
Parkworth Wealth Management
California
$165 1 +1 New
IG
363
ING Group
Netherlands
– – -240,900 Closed
CC
364
Clearline Capital
New York
– – -160,029 Closed
National Bank of Canada
365
National Bank of Canada
Quebec, Canada
– – -132,500 Closed
Twin Tree Management
366
Twin Tree Management
Texas
– – -94,416 Closed
Capital Fund Management (CFM)
367
Capital Fund Management (CFM)
France
– – -53,726 Closed
Squarepoint
368
Squarepoint
New York
– – -53,226 Closed
Bank of Nova Scotia
369
Bank of Nova Scotia
Ontario, Canada
– – -35,438 Closed
RC
370
Roubaix Capital
Colorado
– – -34,041 Closed
SPS
371
Susquehanna Portfolio Strategies
Pennsylvania
– – -33,995 Closed
SG Americas Securities
372
SG Americas Securities
New York
– – -28,967 Closed
TCA
373
Troluce Capital Advisors
Puerto Rico
– – -25,000 Closed
D.E. Shaw & Co
374
D.E. Shaw & Co
New York
– – -24,358 Closed
AG
375
Algert Global
California
– – -19,139 Closed
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15
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