Ronald Muhlenkamp - Muhlenkamp & Co 13F Activity & Position Changes (Q4 2015)
According to the SEC 13F filed on Aug 18, 2026, the Muhlenkamp & Co portfolio showed several notable changes in holdings as of quarter-end Dec 31, 2015. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.
During Q4 2015, the filing reported:
Reductions - American Axle & Manufacturing H, Bread Financial Holdings, Inc., Celanese Corporation, Gilead Sciences, Inc., Halliburton Company, and 8 more
Complete Exits - Asbury Automotive Group Inc, Energy Transfer LP, Genworth Financial Inc, Innovative Solutions and Suppor, Medtronic, and 3 more
These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.
| Date | Symbol | Type | Change Qty |
|---|---|---|---|
|
Q4 2015
|
AAPL
Apple Inc.
|
Buy |
+249
|
|
Q4 2015
|
ABG
Asbury Automotive Group Inc
|
Sell - Position Exit |
-81,685
|
|
Q4 2015
|
AXL
American Axle & Manufacturing H
|
Sell |
-1,300
|
|
Q4 2015
|
BFH
Bread Financial Holdings, Inc.
|
Sell |
-15
|
|
Q4 2015
|
BMY
Bristol-Myers Squibb Company
|
Buy |
+5
|
|
Q4 2015
|
CE
Celanese Corporation
|
Sell |
-35
|
|
Q4 2015
|
ET
Energy Transfer LP
|
Sell - Position Exit |
-15,634
|
|
Q4 2015
|
GILD
Gilead Sciences, Inc.
|
Sell |
-15
|
|
Q4 2015
|
GNW
Genworth Financial Inc
|
Sell - Position Exit |
-24,400
|
|
Q4 2015
|
GTIM
Good Times Restaurants Inc.
|
Buy - Position Entry |
+13,935
|
|
Q4 2015
|
HAL
Halliburton Company
|
Sell |
-900
|
|
Q4 2015
|
HBI
Hanesbrands Inc.
|
Sell |
-40
|
|
Q4 2015
|
ISSC
Innovative Solutions and Suppor
|
Sell - Position Exit |
-178,179
|
|
Q4 2015
|
JPM
JP Morgan Chase & Co.
|
Sell |
-65
|
|
Q4 2015
|
KMI
Kinder Morgan, Inc.
|
Buy - Position Entry |
+14,570
|
|
Q4 2015
|
MDT
Medtronic
|
Sell - Position Exit |
-173,364
|
|
Q4 2015
|
MGNX
MacroGenics, Inc.
|
Sell |
-90
|
|
Q4 2015
|
MS
Morgan Stanley
|
Sell |
-90
|
|
Q4 2015
|
MSFT
Microsoft Corporation
|
Sell |
-2,062
|
|
Q4 2015
|
OLED
Universal Display Corporation
|
Sell |
-59,995
|
|
Q4 2015
|
ON
ON Semiconductor Corporation
|
Sell |
-1,900
|
|
Q4 2015
|
PAAS
Pan American Silver Corp.
|
Sell - Position Exit |
-10,360
|
|
Q4 2015
|
PACB
Pacific Biosciences of Californ
|
Sell - Position Exit |
-11,125
|
|
Q4 2015
|
PHM
PulteGroup, Inc.
|
Sell |
-2,050
|
|
Q4 2015
|
SAVE
Spirit Airlines, Inc.
|
Buy |
+21,356
|
|
Q4 2015
|
SLB
Schlumberger N.V.
|
Buy |
+205
|
|
Q4 2015
|
STT
State Street Corporation
|
Sell - Position Exit |
-135,712
|
|
Q4 2015
|
WMB
Williams Companies, Inc. (The)
|
Buy - Position Entry |
+8,365
|