Ronald Muhlenkamp - Muhlenkamp & Co 13F Activity & Position Changes (Q1 2018)

As of Mar 31, 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 Q1 2018, the filing reported:

New Buys - None reported

Increases - AutoZone, Inc., Bread Financial Holdings, Inc., Biogen Inc., Bristol-Myers Squibb Company, Cameco Corporation, and 10 more

Reductions - Apple Inc., Celanese Corporation, Delta Air Lines, Inc., Federated Hermes, Inc., Microsoft Corporation, and 3 more

Complete Exits - AllianceBernstein Holding L.P., Ameriprise Financial, Inc., American Axle & Manufacturing H, Coterra Energy Inc., Enterprise Products Partners L., and 8 more

These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q1 2018	AAPL Apple Inc.	Apple Inc.	Sell	-54,998	-37.7%	$15.24K	90,824
Q1 2018	AB AllianceBernstein Holding L.P.	AllianceBernstein Holding L.P.	Sell - Position Exit	-11,150	-100.0%	$0.00	-
Q1 2018	AMP Ameriprise Financial, Inc.	Ameriprise Financial, Inc.	Sell - Position Exit	-1,500	-100.0%	$0.00	-
Q1 2018	AXL American Axle & Manufacturing H	American Axle & Manufacturing H	Sell - Position Exit	-15,400	-100.0%	$0.00	-
Q1 2018	AZO AutoZone, Inc.	AutoZone, Inc.	Buy	+4,061	+59.9%	$7.03K	10,835
Q1 2018	BFH Bread Financial Holdings, Inc.	Bread Financial Holdings, Inc.	Buy	+564	+0.8%	$15.01K	70,529
Q1 2018	BIIB Biogen Inc.	Biogen Inc.	Buy	+489	+2.0%	$6.89K	25,171
Q1 2018	BMY Bristol-Myers Squibb Company	Bristol-Myers Squibb Company	Buy	+3,861	+2.2%	$11.29K	178,436
Q1 2018	CCJ Cameco Corporation	Cameco Corporation	Buy	+16,920	+2.0%	$7.88K	867,482
Q1 2018	CE Celanese Corporation	Celanese Corporation	Sell	-8,603	-7.8%	$10.15K	101,277
Q1 2018	CTRA Coterra Energy Inc.	Coterra Energy Inc.	Sell - Position Exit	-15,000	-100.0%	$0.00	-
Q1 2018	CTSH Cognizant Technology Solutions	Cognizant Technology Solutions	Buy	+3,259	+3.6%	$7.61K	94,534
Q1 2018	DAL Delta Air Lines, Inc.	Delta Air Lines, Inc.	Sell	-12,387	-9.7%	$6.32K	115,363
Q1 2018	EPD Enterprise Products Partners L.	Enterprise Products Partners L.	Sell - Position Exit	-16,700	-100.0%	$0.00	-
Q1 2018	FHI Federated Hermes, Inc.	Federated Hermes, Inc.	Sell	-35,616	-12.3%	$8.48K	253,785
Q1 2018	G9456A100 Golar LNG	Golar LNG	Sell - Position Exit	-15,900	-100.0%	$0.00	-
Q1 2018	GILD Gilead Sciences, Inc.	Gilead Sciences, Inc.	Buy	+1,764	+0.8%	$16.77K	222,377
Q1 2018	GLD SPDR Gold Trust	SPDR Gold Trust	Buy	+1,636	+2.0%	$10.61K	84,371
Q1 2018	GME GameStop Corporation	GameStop Corporation	Buy	+7,945	+3.1%	$3.29K	260,753
Q1 2018	HBI Hanesbrands Inc.	Hanesbrands Inc.	Sell - Position Exit	-475,778	-100.0%	$0.00	-
Q1 2018	MCHP Microchip Technology Incorporat	Microchip Technology Incorporat	Buy	+1,820	+1.9%	$9.04K	98,968
Q1 2018	MCK McKesson Corporation	McKesson Corporation	Buy	+1,143	+1.6%	$10.01K	71,090
Q1 2018	MGNX MacroGenics, Inc.	MacroGenics, Inc.	Sell - Position Exit	-10,515	-100.0%	$0.00	-
Q1 2018	MS Morgan Stanley	Morgan Stanley	Sell - Position Exit	-5,805	-100.0%	$0.00	-
Q1 2018	MSFT Microsoft Corporation	Microsoft Corporation	Sell	-66,041	-28.9%	$14.86K	162,821
Q1 2018	OLED Universal Display Corporation	Universal Display Corporation	Sell - Position Exit	-42,240	-100.0%	$0.00	-
Q1 2018	ON ON Semiconductor Corporation	ON Semiconductor Corporation	Sell	-303,827	-30.0%	$17.35K	709,466
Q1 2018	PFE Pfizer, Inc.	Pfizer, Inc.	Sell	-255	-0.9%	$967.00	27,239
Q1 2018	PHM PulteGroup, Inc.	PulteGroup, Inc.	Buy	+5,541	+2.8%	$6.07K	205,951
Q1 2018	RUSHB Rush Enterprises, Inc.	Rush Enterprises, Inc.	Sell	-6,000	-51.4%	$229.00	5,666

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