Ronald Muhlenkamp - Muhlenkamp & Co 13F Activity & Position Changes (Q3 2018)

As of Sep 30, 2018, the Muhlenkamp & Co portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 06, 2026. 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 Q3 2018, the filing reported:

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
Q3 2018
AAPL
Apple Inc.
Sell
-584
Q3 2018
AYI
Acuity Brands, Inc.
Buy - Position Entry
+43,873
Q3 2018
AZO
AutoZone, Inc.
Sell
-61
Q3 2018
BFH
Bread Financial Holdings, Inc.
Sell
-441
Q3 2018
BIIB
Biogen Inc.
Sell
-6,803
Q3 2018
CCJ
Cameco Corporation
Sell
-4,987
Q3 2018
CE
Celanese Corporation
Sell
-591
Q3 2018
CTSH
Cognizant Technology Solutions
Sell
-482
Q3 2018
DAL
Delta Air Lines, Inc.
Sell
-293
Q3 2018
FHI
Federated Hermes, Inc.
Sell
-1,850
Q3 2018
GILD
Gilead Sciences, Inc.
Sell
-823
Q3 2018
GLD
SPDR Gold Trust
Sell
-500
Q3 2018
GME
GameStop Corporation
Sell
-1,117
Q3 2018
MCHP
Microchip Technology Incorporat
Sell
-741
Q3 2018
MCK
McKesson Corporation
Sell
-348
Q3 2018
MSFT
Microsoft Corporation
Sell
-719
Q3 2018
ON
ON Semiconductor Corporation
Sell - Position Exit
-536,518
Q3 2018
PFE
Pfizer, Inc.
Sell
-1,055
Q3 2018
PHM
PulteGroup, Inc.
Sell - Position Exit
-205,951
Q3 2018
PKW
Invesco BuyBack Achievers ETF
Sell
-1,018
Q3 2018
TCEHY
Tencent Holding Ltd.
Sell - Position Exit
-245,620
Q3 2018
THO
Thor Industries, Inc.
Sell
-35,093
Q3 2018
UNH
UnitedHealth Group Incorporated
Sell
-270