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Masimo
MASI

Overview Fund Activity

314 hedge funds and large institutions have $2.73B invested in Masimo in 2016 Q4 according to their latest regulatory filings, with 50 funds opening new positions, 98 increasing their positions, 127 reducing their positions, and 26 closing their positions.

Holders
314
Holders Change
+20
Holders Change %
+6.8%
% of All Funds
7.86%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.08%
New
50
Increased
98
Reduced
127
Closed
26
Calls
$4.15M
Puts
$1.44M
Net Calls
+$2.71M
Net Calls Change
+$1.71M

Top Buyers

1
CWAM
1
Columbia Wanger Asset Management
Illinois
$56.5M
2
BFA
2
BlackRock Fund Advisors
California
$231M
3
TA
3
Teachers Advisors
New York
$20.5M
4
Robeco Institutional Asset Management
4
Robeco Institutional Asset Management
Netherlands
$16.5M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$294M

Top Sellers

1
Arrowstreet Capital
1
Arrowstreet Capital
Massachusetts
$0
2
Massachusetts Financial Services
2
Massachusetts Financial Services
Massachusetts
$20.7M
3
MCM
3
Matarin Capital Management
New York
$0
4
CIP
4
Chartwell Investment Partners
Pennsylvania
$9.17M
5
NI
5
Numeric Investors
Massachusetts
$8.22M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$294M 4,358,914 +205,533 +5%
BFA
2
BlackRock Fund Advisors
California
$231M 3,420,888 +338,246 +11%
JHIU
3
Janus Henderson Investors US
Colorado
$182M 2,703,291 +13,735 +0.5%
BIT
4
BlackRock Institutional Trust
California
$118M 1,752,202 +85,914 +5%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$76.6M 1,136,399 -11,957 -1%
State Street
6
State Street
Massachusetts
$66.2M 981,749 +35,945 +4%
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$65M 964,798 +64,245 +7%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$58.7M 870,194 +15,771 +2%
CWAM
9
Columbia Wanger Asset Management
Illinois
$56.5M 838,230 +838,230 New
CIP
10
Champlain Investment Partners
Vermont
$55.7M 825,730 -13,395 -2%
BA
11
BlackRock Advisors
Delaware
$52.5M 779,498 -29,204 -4%
VOYA Investment Management
12
VOYA Investment Management
Georgia
$42.4M 629,714 -88,673 -12%
Janus Henderson Group
13
Janus Henderson Group
United Kingdom
$40.7M 603,134 -117,121 -16%
BTW
14
Boston Trust Walden
Massachusetts
$39.5M 586,628 -18,830 -3%
Northern Trust
15
Northern Trust
Illinois
$37.4M 554,769 +9,757 +2%
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$36.4M 539,713 -35,740 -6%
D.E. Shaw & Co
17
D.E. Shaw & Co
New York
$32.3M 479,736 -111,898 -19%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$31.8M 471,323 +42,319 +10%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$30.3M 450,000 +50,000 +13%
BG
20
BlackRock Group
United Kingdom
$29.1M 431,950 +71,570 +20%
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$29.1M 431,003 -71,017 -14%
Schroder Investment Management Group
22
Schroder Investment Management Group
United Kingdom
$28.7M 425,519 -146,359 -26%
Ameriprise
23
Ameriprise
Minnesota
$28.6M 423,834 +72,526 +21%
Prudential Financial
24
Prudential Financial
New Jersey
$28.5M 423,190 -4,391 -1%
JPMorgan Chase & Co
25
JPMorgan Chase & Co
New York
$27.6M 409,505 +67,866 +20%
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