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First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

MDU holding history

Mdu Resources Group Inc in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MDU overviewAll 13F holders of MDUFull Q2 2026 holdings

Shares (Q2 2026)
121,658
Value
$2.60M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of MDU by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026121,658$2.60M<0.1%−1,200−1.0%ReducedHolders
Q1 2026122,858$2.56M<0.1%−1,635−1.3%ReducedHolders
Q4 2025124,493$2.45M<0.1%+169+0.1%AddedHolders
Q3 2025124,324$2.23M<0.1%−6,700−5.1%ReducedHolders
Q2 2025131,024$2.20M<0.1%−150−0.1%ReducedHolders
Q1 2025131,174$2.24M<0.1%−4,745−3.5%ReducedHolders
Q4 2024135,919$2.47M<0.1%−13,365−9.0%ReducedHolders
Q3 2024149,284$4.11M<0.1%−1,515−1.0%ReducedHolders
Q2 2024150,799$3.80M<0.1%−33,600−18.2%ReducedHolders
Q1 2024184,399$4.65M<0.1%−16,735−8.3%ReducedHolders
Q4 2023201,134$3.98M<0.1%+12,000+6.3%AddedHolders
Q3 2023189,134$3.70M<0.1%−3,000−1.6%ReducedHolders
Q2 2023192,134$4.02M<0.1%−30,000−13.5%ReducedHolders
Q1 2023222,134$6.77M<0.1%−72,825−24.7%ReducedHolders
Q4 2022294,959$8.95M<0.1%−4,450−1.5%ReducedHolders
Q3 2022299,409$8.19M<0.1%−10,650−3.4%ReducedHolders
Q2 2022310,059$8.37M<0.1%+3,100+1.0%AddedHolders
Q1 2022306,959$8.18M<0.1%+9,900+3.3%AddedHolders
Q4 2021297,059$9.16M<0.1%+32,000+12.1%AddedHolders
Q3 2021265,059$7.86M<0.1%+1,800+0.7%AddedHolders
Q2 2021263,259$8.25M<0.1%−6,790−2.5%ReducedHolders
Q1 2021270,049$8.54M<0.1%––Holders

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