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Mairs & Power Inc

SEC CIK
0001070134
Latest filing
Aug 14, 2026

FAST holding history

Fastenal Co in every 13F filed by Mairs & Power Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

FAST overviewAll 13F holders of FASTFull Q2 2026 holdings

Shares (Q2 2026)
3,870,891
Value
$185.9M
% of portfolio
1.7%
Quarters held
22
Since Q1 2021
Holdings of FAST by Mairs & Power Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,870,891$185.9M1.7%−51,551−1.3%ReducedHolders
Q1 20263,922,442$182.0M1.9%−745,057−16.0%ReducedHolders
Q4 20254,667,499$187.3M1.8%−51,537−1.1%ReducedHolders
Q3 20254,719,036$231.4M2.2%−653,723−12.2%ReducedHolders
Q2 20255,372,759$225.7M2.2%00.0%UnchangedConverted for a 2-for-1 splitHolders
Q1 20252,689,855$208.6M2.2%−19,576−0.7%ReducedHolders
Q4 20242,709,431$194.8M1.9%−22,499−0.8%ReducedHolders
Q3 20242,731,930$195.1M1.8%+68,617+2.6%AddedHolders
Q2 20242,663,313$167.4M1.6%−28,783−1.1%ReducedHolders
Q1 20242,692,096$207.7M2.0%−498,501−15.6%ReducedHolders
Q4 20233,190,597$206.7M2.2%−43,296−1.3%ReducedHolders
Q3 20233,233,893$176.7M2.1%−17,441−0.5%ReducedHolders
Q2 20233,251,334$191.8M2.1%+44,655+1.4%AddedHolders
Q1 20233,206,679$173.0M2.0%+243,220+8.2%AddedHolders
Q4 20222,963,459$140.2M1.7%−22,910−0.8%ReducedHolders
Q3 20222,986,369$137.5M1.7%−28,256−0.9%ReducedHolders
Q2 20223,014,625$150.5M1.8%−223,903−6.9%ReducedHolders
Q1 20223,238,528$192.4M1.9%−82,493−2.5%ReducedHolders
Q4 20213,321,021$212.7M2.0%−81,073−2.4%ReducedHolders
Q3 20213,402,094$175.6M1.8%−117,090−3.3%ReducedHolders
Q2 20213,519,184$183.0M1.8%−43,618−1.2%ReducedHolders
Q1 20213,562,802$179.1M1.9%––Holders

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