CORNING INC (GLW) Stock Institutional Trading Activity


CORNING INC (GLW) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Appaloosa Management, Olstein Capital Management, Mairs & Power Growth Fund, Cullen Value Fund, and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2023Dodge & Cox Stock FundSell-5,55097,742$3,448,338
Q1 2023Meritage GroupBuy5,9615,961$210
Q1 2023Olstein Capital ManagementSell-52,000209,000$7,374
Q1 2023Renaissance Technologies LLCBuy459,600537,900$18,977
Q1 2023Sequoia Financial AdvisorsBuy80,750264,731$9,339,727
Q1 2023Mairs & Power Growth FundSell-49,991283,173$9,990,343
Q4 2022Yacktman Asset ManagementBuy8,0001,190,000$38,008,600
Q4 2022Dodge & Cox Stock FundSell-6,717103,292$3,299,146
Q4 2022Renaissance Technologies LLCSell-210,50078,300$2,501
Q4 2022Olstein Capital ManagementSell-33,000261,000$8,336
Q4 2022Sequoia Financial AdvisorsBuy64,162183,981$5,876,345
Q4 2022Mairs & Power Growth FundSell-13,907333,164$10,641,258
Q3 2022Dodge & Cox Stock FundSell-8,176110,009$3,192
Q3 2022Sequoia Financial AdvisorsBuy17,767119,819$3,477
Q3 2022Renaissance Technologies LLCBuy99,500288,800$8,381
Q3 2022Mairs & Power Growth FundSell-1,216347,071$10,072
Q2 2022Dodge & Cox Stock FundSell-13,817118,185$3,724
Q2 2022Sequoia Financial AdvisorsBuy94,130102,052$3,216
Q2 2022Renaissance Technologies LLCSell-2,252,300189,300$5,965
Q2 2022Olstein Capital ManagementBuy27,000294,000$9,264
Q2 2022Mairs & Power Growth FundSell-73,618348,287$10,975
Q1 2022Dodge & Cox Stock FundSell-3,398132,002$4,872
Q1 2022Yacktman Asset ManagementSell-15,0001,182,000$43,628
Q1 2022Sequoia Financial AdvisorsBuy1,0627,922$293
Q1 2022Olstein Capital ManagementSell-49,000267,000$9,855
Q1 2022Mairs & Power Growth FundSell-1,280,564421,905$15,573
Q1 2022Renaissance Technologies LLCBuy54,4002,441,600$90,119
Q4 2021Dodge & Cox Stock FundSell-21,500135,400$5,041
Q4 2021Yacktman Asset ManagementBuy4,0001,197,000$44,564
Q4 2021Sequoia Financial AdvisorsBuy1,4396,860$255

Frequently asked questions about GLW activity

  • Which institutional owners are buying GLW?

    Institutional owners buying GLW include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in GLW activity?

    "Buy" means an investor increased their reported position in GLW compared to the prior reporting period. This reflects growing exposure to CORNING INC (GLW) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in GLW increasing?

    Institutional interest in GLW can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.