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Ronald Muhlenkamp's Avatar

Ronald Muhlenkamp
Portfolio: Top Holdings & Stock Picks

Muhlenkamp & Co INC

Value Investing Contrarian Investing

Ronald Muhlenkamp (Muhlenkamp & Co INC) disclosed 28 total holdings in its latest 13F filing dated 12/31/2025, with a portfolio value of $371.82 M and a turnover rate of 0.7%.

Portfolio Value
$371.82 M
Total Holdings
28
Latest Filing
Q4 2025
February 04, 2026
Turnover Rate
0.66%

Ronald Muhlenkamp Top Holdings of Q4 2025

Ticker Name Shares Value % of Portfolio Time Held % Change
NEM
284,481 $28.41 M 7.64% 2 Years +0.19%
AEM
151,269 $25.64 M 6.90% 1 Years -0.03%
EQT
451,127 $24.18 M 6.50% 4 Years +0.04%
MTZ
105,760 $22.99 M 6.18% 5.5 Years -0.02%
MCK
27,193 $22.31 M 6.00% 9.5 Years +0.31%
375,519 $20.26 M 5.45% >10 Years +0.39%
87,928 $19.55 M 5.26% 5 Years +0.39%
38,411 $19.31 M 5.19% 6.3 Years +0.08%
467,789 $19.08 M 5.13% 5.5 Years +0.31%
62,841 $17.08 M 4.59% >10 Years +0.27%

Recent Moves

Added to Core Holding
+24,948 Shares | +$1.05 M Value
Modest increase in Materials
Q4 2025
Reduced Exposure to Position
-420 Shares | -$19,748.4 Value
Reduced exposure to
Q4 2025
Complete Exit
-181,412 Shares | -$6.35 M Value
Cleared JD, sector remains in portfolio
Q4 2025
Complete Exit
-2,671 Shares | -$864,282 Value
Cleared RCL, sector remains in portfolio
Q4 2025

Ronald Muhlenkamp's Historical Top Holdings Overview

Portfolio Date:

Ronald Muhlenkamp Top Stock Picks

Ticker Name Date Activity Shares Shares Change Value Change
JD
12/31/2025 Sold Out 0 -181,412 $6.35 M
CE
12/31/2025 Add 13.5% 209,403 24,948 $1.05 M
RCL
12/31/2025 Sold Out 0 -2,671 $864,282
12/31/2025 Add 2.0% 33,005 658 $318,219.69
FCF
12/31/2025 Sold Out 0 -10,154 $173,126
SLB
12/31/2025 Add 0.7% 322,031 2,293 $88,005.34
12/31/2025 Add 0.4% 375,519 1,468 $79,183.92
12/31/2025 Add 0.6% 202,985 1,232 $78,503.04
12/31/2025 Add 0.4% 87,928 343 $76,245.47
LYB
12/31/2025 Add 1.0% 185,821 1,746 $75,601.8

Ronald Muhlenkamp's Portfolio Sector Breakdown

Portfolio Date:

About Ronald Muhlenkamp

Ronald Muhlenkamp is the founder and portfolio manager of Muhlenkamp & Co., Inc., an investment management firm he established in 1977. He is known for his independent thinking and his decades-long career managing the Muhlenkamp Fund. He has authored books and articles sharing his straightforward, business-owner's approach to investing.

Frequently Asked Questions

As of 12/31/2025, Ronald Muhlenkamp holds 28 stocks. Top positions include NEM, AEM, EQT, MTZ, MCK. For full portfolio details, please visit Ronald Muhlenkamp’s portfolio.

Ronald Muhlenkamp did not initiate any new positions in the latest quarter.

According to the 13F filing for Q4 2025, Ronald Muhlenkamp increased their stake in CE.

Ronald Muhlenkamp’s firm may occasionally request confidential treatment under SEC rule 13F-HR, which allows temporary non-disclosure of certain positions.