Skip to main content
Livermore
Livermore
ZHEN

Muhlenkamp & Co Inc

SEC CIK
0001133219
Latest filing
Aug 17, 2026

RUSHA holding history

Rush Enterprises Inc 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.

RUSHA overviewAll 13F holders of RUSHAFull Q2 2026 holdings

Shares (Q2 2026)
332,332
Value
$24.3M
% of portfolio
7.0%
Quarters held
21
Since Q1 2021
Holdings of RUSHA by Muhlenkamp & Co Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026332,332$24.3M7.0%+427+0.1%AddedHolders
Q1 2026331,905$21.9M5.8%−43,614−11.6%ReducedHolders
Q4 2025375,519$20.3M5.4%+1,468+0.4%AddedHolders
Q3 2025374,051$20.0M5.4%+268+0.1%AddedHolders
Q2 2025373,783$19.3M6.0%+2,302+0.6%AddedHolders
Q1 2025371,481$19.8M6.5%−497−0.1%ReducedHolders
Q4 2024371,978$20.4M6.2%+541+0.1%AddedHolders
Q3 2024371,437$19.6M6.0%+530.0%AddedHolders
Q2 2024371,384$15.5M4.9%+1450.0%AddedHolders
Q1 2024371,239$19.9M5.8%+3,526+1.0%AddedHolders
Q4 2023367,713$18.5M6.1%+2,662+0.7%AddedHolders
Q3 2023365,051$14.9M5.1%+125,320+52.3%AddedHolders
Q2 2023239,731$14.6M5.2%–No prior filingHolders
Q1 2023––––Not filedHolders
Q4 2022240,406$12.6M5.3%00.0%UnchangedHolders
Q3 2022240,406$10.5M4.7%00.0%UnchangedHolders
Q2 2022240,406$11.6M5.4%00.0%UnchangedHolders
Q1 2022240,406$12.2M4.3%+1,060+0.4%AddedHolders
Q4 2021239,346$13.3M4.6%−78,365−24.7%ReducedHolders
Q3 2021317,711$14.3M5.5%00.0%UnchangedHolders
Q2 2021317,711$13.7M5.0%00.0%UnchangedHolders
Q1 2021317,711$14.1M5.2%––Holders

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