115 hedge funds and large institutions have $945M invested in MPLX in 2015 Q3 according to their latest regulatory filings, with 27 funds opening new positions, 38 increasing their positions, 39 reducing their positions, and 23 closing their positions.

Holders
115
Holders Change
+4
Holders Change %
+3.6%
% of All Funds
3.21%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
27
Increased
38
Reduced
39
Closed
23
Calls
$6.34M
Puts
$4.17M
Net Calls
+$2.18M
Net Calls Change
-$8.4M
Name Market Value Shares Shares
Change
Shares
Change %
Citadel Advisors
76
Citadel Advisors
Florida
$377K 9,857 -1,754 -15%
Ameriprise
77
Ameriprise
Minnesota
$372K 9,755 -3,847 -28%
AA
78
AQR Arbitrage
Connecticut
$353K 9,234 +1,655 +22%
Royal Bank of Canada
79
Royal Bank of Canada
Ontario, Canada
$325K 8,516 +4,016 +89%
CWA
80
Cypress Wealth Advisors
California
$323K 8,450
MOACM
81
Mutual of America Capital Management
New York
$281K 7,350 +7,350 New
Axa
82
Axa
France
$273K 7,157 -10,079 -58%
QT
83
Quantbot Technologies
New York
$272K 7,133 +7,133 New
PCM
84
Prelude Capital Management
New York
$241K 6,300 +3,600 +133%
GCP
85
GSA Capital Partners
United Kingdom
$236K 6,188 +6,188 New
PAG
86
Private Advisor Group
New Jersey
$233K 6,102 -3,177 -34%
CS
87
Comerica Securities
Michigan
$219K 5,730 -6,616 -54%
SGCA
88
Steel Grove Capital Advisors
Tennessee
$209K 5,474 +1,274 +30%
WAM
89
Wolverine Asset Management
Illinois
$156K 4,100 +4,100 New
US Bancorp
90
US Bancorp
Minnesota
$154K 4,031 -861 -18%
BlackRock
91
BlackRock
New York
$140K 3,660 +947 +35%
TWMP
92
Taylor Wealth Management Partners
Massachusetts
$135K 3,520 -132,387 -97%
GXMC
93
Global X Management Company
New York
$125K 3,267 -3,153 -49%
LTFS
94
Ladenburg Thalmann Financial Services
Florida
$100K 2,584
FA
95
Friess Associates
Delaware
$94K 2,450
HCC
96
Hirtle Callaghan & Co
Pennsylvania
$83K 2,162
Simplex Trading
97
Simplex Trading
Illinois
$73K 1,922 +1,791 +1,367%
BL
98
Balentine LLC
Georgia
$66K 1,737 -258 -13%
CPIG
99
Chicago Partners Investment Group
Illinois
$45K 1,165 +1,165 New
Envestnet Asset Management
100
Envestnet Asset Management
Illinois
$42K 1,091 +1,091 New