Ronald Muhlenkamp - Muhlenkamp & Co 13F Activity & Position Changes (Q3 2017)

As of Sep 30, 2017, 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 2017, 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 2017
AAPL
Apple Inc.
Sell
-745
Q3 2017
AXL
American Axle & Manufacturing H
Sell
-7,900
Q3 2017
BFH
Bread Financial Holdings, Inc.
Sell
-48,860
Q3 2017
BIIB
Biogen Inc.
Sell
-998
Q3 2017
BMY
Bristol-Myers Squibb Company
Sell
-805
Q3 2017
CCJ
Cameco Corporation
Sell
-5,540
Q3 2017
CE
Celanese Corporation
Sell
-12,830
Q3 2017
CTSH
Cognizant Technology Solutions
Buy - Position Entry
+92,220
Q3 2017
DAL
Delta Air Lines, Inc.
Sell
-2,005
Q3 2017
FHI
Federated Hermes, Inc.
Sell
-7,050
Q3 2017
GILD
Gilead Sciences, Inc.
Sell
-1,538
Q3 2017
GLD
SPDR Gold Trust
Sell
-1,970
Q3 2017
GM
General Motors Company
Sell - Position Exit
-665
Q3 2017
GME
GameStop Corporation
Sell
-1,819
Q3 2017
HBI
Hanesbrands Inc.
Sell
-14,629
Q3 2017
MCHP
Microchip Technology Incorporat
Sell
-855
Q3 2017
MCK
McKesson Corporation
Sell
-409
Q3 2017
MGNX
MacroGenics, Inc.
Sell
-415
Q3 2017
MS
Morgan Stanley
Sell
-752
Q3 2017
MSFT
Microsoft Corporation
Sell
-975
Q3 2017
ON
ON Semiconductor Corporation
Sell
-26,395
Q3 2017
PFE
Pfizer, Inc.
Sell
-5,540
Q3 2017
RUSHB
Rush Enterprises, Inc.
Sell
-500
Q3 2017
SAVE
Spirit Airlines, Inc.
Sell
-81,955
Q3 2017
SLB
Schlumberger N.V.
Sell - Position Exit
-73,010
Q3 2017
TCEHY
Tencent Holding Ltd.
Sell
-6,698
Q3 2017
TEVA
Teva Pharmaceutical Industries
Sell
-105,805
Q3 2017
TPH
Tri Pointe Homes, Inc.
Sell
-5,200
Q3 2017
TSLA
Tesla, Inc.
Sell - Position Exit
-75
Q3 2017
UNH
UnitedHealth Group Incorporated
Sell
-325