Skip to main content

Muhlenkamp & Co Inc

SEC CIK
0001133219
Latest filing
Aug 17, 2026

WAB holding history

Westinghouse Air Brake Technologies Corp in every 13F filed by Muhlenkamp & Co Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WAB overviewAll 13F holders of WABFull Q2 2026 holdings

Shares (Q2 2026)
63,156
Value
$17.0M
% of portfolio
4.9%
Quarters held
21
Since Q1 2021
Holdings of WAB by Muhlenkamp & Co Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202663,156$17.0M4.9%+10.0%AddedHolders
Q1 202663,155$15.8M4.2%−146−0.2%ReducedHolders
Q4 202563,301$13.5M3.6%+271+0.4%AddedHolders
Q3 202563,030$12.6M3.4%+86+0.1%AddedHolders
Q2 202562,944$13.2M4.1%+570+0.9%AddedHolders
Q1 202562,374$11.3M3.7%−110−0.2%ReducedHolders
Q4 202462,484$11.8M3.6%+157+0.3%AddedHolders
Q3 202462,327$11.3M3.5%−260.0%ReducedHolders
Q2 202462,353$9.85M3.1%−461−0.7%ReducedHolders
Q1 202462,814$9.15M2.7%+852+1.4%AddedHolders
Q4 202361,962$7.86M2.6%+904+1.5%AddedHolders
Q3 202361,058$6.49M2.2%+5,731+10.4%AddedHolders
Q2 202355,327$6.07M2.2%–No prior filingHolders
Q1 2023––––Not filedHolders
Q4 202255,433$5.53M2.3%−33−0.1%ReducedHolders
Q3 202255,466$4.51M2.0%+91+0.2%AddedHolders
Q2 202255,375$4.54M2.1%−167−0.3%ReducedHolders
Q1 202255,542$5.34M1.9%+349+0.6%AddedHolders
Q4 202155,193$5.08M1.8%−83−0.2%ReducedHolders
Q3 202155,276$4.76M1.8%−82−0.1%ReducedHolders
Q2 202155,358$4.56M1.7%+82+0.1%AddedHolders
Q1 202155,276$4.89M1.8%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.