MASI icon

Masimo
MASI

Overview Fund Activity

365 hedge funds and large institutions have $3.98B invested in Masimo in 2017 Q1 according to their latest regulatory filings, with 87 funds opening new positions, 109 increasing their positions, 143 reducing their positions, and 28 closing their positions.

Holders
365
Holders Change
+51
Holders Change %
+16.24%
% of All Funds
9.1%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.15%
New
87
Increased
109
Reduced
143
Closed
28
Calls
$13.4M
Puts
$8.52M
Net Calls
+$4.9M
Net Calls Change
+$2.19M

Top Buyers

1
BlackRock
1
BlackRock
New York
$687M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$100M
3
Two Sigma Advisers
3
Two Sigma Advisers
New York
$78.3M
4
NI
4
Numeric Investors
Massachusetts
$77.9M
5
Robeco Institutional Asset Management
5
Robeco Institutional Asset Management
Netherlands
$80.4M

Top Sellers

1
JHIU
1
Janus Henderson Investors US
Colorado
$2.9M
2
CIP
2
Champlain Investment Partners
Vermont
$27.3M
3
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$3.43M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$14M
5
CWAM
5
Columbia Wanger Asset Management
Illinois
$52.7M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$687M 7,364,235 +7,210,051 +4,676%
Vanguard Group
2
Vanguard Group
Pennsylvania
$431M 4,617,633 +258,719 +6%
State Street
3
State Street
Massachusetts
$131M 1,401,516 +419,767 +43%
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$130M 1,399,187 +434,389 +45%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$102M 1,093,205 -43,194 -4%
Arrowstreet Capital
6
Arrowstreet Capital
Massachusetts
$100M 1,074,122 +1,074,122 New
Robeco Institutional Asset Management
7
Robeco Institutional Asset Management
Netherlands
$80.4M 861,941 +617,293 +252%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$79.4M 850,965 -19,229 -2%
Two Sigma Advisers
9
Two Sigma Advisers
New York
$78.3M 839,868 +738,084 +725%
NI
10
Numeric Investors
Massachusetts
$77.9M 834,946 +713,029 +585%
Northern Trust
11
Northern Trust
Illinois
$66.8M 716,822 +162,053 +29%
Two Sigma Investments
12
Two Sigma Investments
New York
$65.1M 697,544 +557,652 +399%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$60.2M 645,254 +173,931 +37%
CWAM
14
Columbia Wanger Asset Management
Illinois
$52.7M 565,585 -272,645 -33%
Norges Bank
15
Norges Bank
Norway
$51.4M 551,335 +157,682 +40%
Janus Henderson Group
16
Janus Henderson Group
United Kingdom
$45.8M 490,611 -112,523 -19%
Prudential Financial
17
Prudential Financial
New Jersey
$45.1M 483,405 +60,215 +14%
T. Rowe Price Associates
18
T. Rowe Price Associates
Maryland
$44.1M 472,653 +41,650 +10%
JPMorgan Chase & Co
19
JPMorgan Chase & Co
New York
$42.5M 455,338 +45,833 +11%
Charles Schwab
20
Charles Schwab
California
$41.5M 444,501 +232,955 +110%
Goldman Sachs
21
Goldman Sachs
New York
$40.4M 433,238 +121,745 +39%
Renaissance Technologies
22
Renaissance Technologies
New York
$40M 429,100 +255,700 +147%
Westfield Capital Management
23
Westfield Capital Management
Massachusetts
$37.6M 402,920 -136,793 -25%
JIM
24
Jupiter Investment Management
United Kingdom
$37M 396,369 +125,223 +46%
VOYA Investment Management
25
VOYA Investment Management
Georgia
$35.6M 382,229 -247,485 -39%
1
2 3 4 5