Muhlenkamp & Company

as of March 31, 2000

Portfolio Holdings for

holds 66 positions in its portfolio as reported in the March 2000 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Applied Materials (AMAT) 8.8 $25M 270k 94.25
Southwest Sec 5.7 $16M 378k 43.44
Merrill Lynch & Co. 5.6 $16M 154k 105.00
Atmel Corporation 5.5 $16M 305k 51.63
Morgan Stanley (MS) 5.3 $15M 184k 82.87
Citigroup 4.8 $14M 232k 59.88
A T M I 4.6 $13M 278k 47.75
Intel Corporation (INTC) 4.2 $12M 93k 131.94
Calpine Corp 3.6 $11M 111k 94.00
Stanley Furniture 3.3 $9.5M 491k 19.38
Computer Associates Intl 3.1 $8.9M 151k 59.19
Ford Motor 2.9 $8.3M 180k 45.94
Salton 2.8 $8.1M 187k 43.37
Conseco 2.8 $8.0M 704k 11.44
Mellon Bank 2.7 $7.9M 264k 29.75
National R V Hldgs 2.6 $7.6M 478k 15.81
Federal National Mortgage Association (FNMA) 2.5 $7.1M 126k 56.56
Fidelity National Financial In 1.9 $5.4M 393k 13.81
MasTec (MTZ) 1.9 $5.4M 60k 88.99
Southdown 1.8 $5.3M 89k 59.24
Arkansas Best Corporation 1.7 $4.8M 459k 10.50
Superior Industries International (SUP) 1.5 $4.3M 136k 31.69
Crossmann Communities 1.5 $4.2M 268k 15.84
American Woodmark Corporation (AMWD) 1.5 $4.2M 204k 20.63
Texas Industries 1.4 $4.1M 130k 31.63
Gra (GGG) 1.4 $3.9M 135k 29.00
NVR (NVR) 1.1 $3.1M 57k 54.00
Chase Manhattan - 1.1 $3.0M 35k 87.18
Rti International Metals 0.9 $2.7M 304k 8.81
BE Aerospace 0.9 $2.6M 440k 5.88
Conoco Inc Cl A 0.9 $2.6M 104k 24.62
Commercial Intertech 0.8 $2.5M 125k 19.69
IDEX Corporation (IEX) 0.8 $2.2M 82k 27.25
Orthodontic Centers Of America 0.8 $2.2M 116k 19.00
Owens Corning 0.7 $2.1M 109k 19.37
Countrywide Financial Corp 0.7 $1.9M 70k 27.26
Jlg Industries 0.5 $1.6M 170k 9.19
Centex Corp 0.5 $1.5M 63k 23.81
Washington Mutual 0.5 $1.4M 52k 26.50
A.g. Edwards 0.5 $1.3M 33k 40.00
Beazer Homes USA 0.3 $973k 52k 18.75
Monaco Coach Corporation 0.3 $945k 50k 18.99
Philip Morris Cos. 0.3 $912k 44k 20.88
Winnebago Industries (WGO) 0.3 $894k 50k 18.06
International Business Machines (IBM) 0.3 $796k 6.7k 118.24
Merck & Co 0.2 $717k 12k 62.10
Scios 0.2 $727k 140k 5.19
Global Marine 0.2 $713k 28k 25.37
Readers Digest Assoc. 0.2 $598k 17k 35.38
Eclipse Surgical 0.2 $595k 80k 7.44
AMR Corporation 0.2 $469k 15k 31.90
General Electric Company 0.1 $392k 2.5k 155.56
Omni Energy Services 0.1 $373k 186k 2.00
Bristol Myers Squibb (BMY) 0.1 $348k 6.0k 58.00
N & B Partners Neuberger mut (NPRTX) 0.1 $343k 14k 24.11
Dana Corp 0.1 $265k 9.4k 28.19
Marsico Growth & Income mut 0.1 $263k 12k 22.47
D&k Healthcare 0.1 $224k 18k 12.24
Vanguard Windsor Fund Ii mut (VWNFX) 0.1 $236k 9.4k 25.00
Reliance Group Holdings 0.1 $194k 56k 3.50
Ocean Energy 0.1 $158k 11k 14.36
Rush Enterprises 0.1 $137k 20k 6.85
Piercing Pagoda 0.1 $134k 10k 13.40
Federated Income Tr mut 0.0 $105k 11k 9.86
Pimco Total Return Administrat mut (PTRAX) 0.0 $116k 12k 9.94
Iomega Corp. 0.0 $38k 10k 3.80