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Livermore
Livermore
ZHEN

Mairs & Power Inc

SEC CIK
0001070134
Latest filing
Aug 14, 2026

GLW holding history

Corning Inc 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.

GLW overviewAll 13F holders of GLWFull Q2 2026 holdings

Shares (Q2 2026)
85,447
Value
$21.8M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of GLW by Mairs & Power Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202685,447$21.8M0.2%−2,803−3.2%ReducedHolders
Q1 202688,250$12.0M0.1%−2,100−2.3%ReducedHolders
Q4 202590,350$7.91M0.1%−2,276−2.5%ReducedHolders
Q3 202592,626$7.60M0.1%−594−0.6%ReducedHolders
Q2 202593,220$4.90M<0.1%+3,975+4.5%AddedHolders
Q1 202589,245$4.09M<0.1%−3,025−3.3%ReducedHolders
Q4 202492,270$4.38M<0.1%−6,916−7.0%ReducedHolders
Q3 202499,186$4.48M<0.1%−7,869−7.4%ReducedHolders
Q2 2024107,055$4.16M<0.1%−18,405−14.7%ReducedHolders
Q1 2024125,460$4.14M<0.1%−38,736−23.6%ReducedHolders
Q4 2023164,196$5.00M0.1%−27,315−14.3%ReducedHolders
Q3 2023191,511$5.84M0.1%−28,650−13.0%ReducedHolders
Q2 2023220,161$7.71M0.1%−63,012−22.3%ReducedHolders
Q1 2023283,173$9.99M0.1%−49,991−15.0%ReducedHolders
Q4 2022333,164$10.6M0.1%−13,907−4.0%ReducedHolders
Q3 2022347,071$10.1M0.1%−1,216−0.3%ReducedHolders
Q2 2022348,287$11.0M0.1%−73,618−17.4%ReducedHolders
Q1 2022421,905$15.6M0.2%−1,280,564−75.2%ReducedHolders
Q4 20211,702,469$63.4M0.6%−15,093−0.9%ReducedHolders
Q3 20211,717,562$62.7M0.6%+1740.0%AddedHolders
Q2 20211,717,388$70.2M0.7%−9,403−0.5%ReducedHolders
Q1 20211,726,791$75.1M0.8%––Holders

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