COGNEX CORP (CGNX) Stock Institutional Trading Activity


COGNEX CORP (CGNX) 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 Mairs & Power Growth Fund, Renaissance Technologies LLC, Disciplined Growth Investors, Engaged Capital, 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 2023Joho CapitalSell-2,01212,100$599,555
Q1 2023Disciplined Growth InvestorsSell-247,8762,074,250$102,779,087
Q4 2022Renaissance Technologies LLCSell-22,20012,800$603
Q4 2022FundsmithSell-2,2952,059,788$97,036,613
Q4 2022Disciplined Growth InvestorsSell-11,2282,322,126$109,395,356
Q3 2022Renaissance Technologies LLCSell-422,45635,000$1,451
Q3 2022FundsmithBuy24,9782,062,083$85,473
Q3 2022Disciplined Growth InvestorsBuy557,5352,333,354$96,718
Q2 2022Renaissance Technologies LLCBuy429,556457,456$19,451
Q2 2022FundsmithBuy130,0572,037,105$86,618
Q2 2022Disciplined Growth InvestorsBuy637,0241,775,819$75,508
Q1 2022Renaissance Technologies LLCSell-46,65627,900$2,152
Q1 2022FundsmithBuy94,9551,907,048$147,129
Q1 2022Disciplined Growth InvestorsBuy13,6111,138,795$87,858
Q4 2021FundsmithBuy186,1061,812,093$140,908
Q4 2021Renaissance Technologies LLCBuy17,30074,556$5,797
Q4 2021Disciplined Growth InvestorsSell-20,3851,125,184$87,494
Q3 2021FundsmithBuy5,8571,625,987$130,437
Q3 2021Renaissance Technologies LLCSell-255,80057,256$4,593
Q3 2021Disciplined Growth InvestorsSell-28,7481,145,569$91,898
Q2 2021FundsmithBuy8,8791,620,130$136,172
Q2 2021Renaissance Technologies LLCBuy33,900313,056$26,312
Q2 2021Disciplined Growth InvestorsSell-2,4741,174,317$98,701
Q1 2021FundsmithBuy6,7601,611,251$133,718
Q1 2021Renaissance Technologies LLCBuy150,200279,156$23,167
Q1 2021Disciplined Growth InvestorsSell-170,3621,176,791$97,662
Q4 2020FundsmithBuy1,8981,604,491$128,817
Q4 2020Joho CapitalSell-14,00914,112$1,133
Q4 2020Renaissance Technologies LLCSell-16,800128,956$10,353
Q4 2020Disciplined Growth InvestorsSell-55,2741,347,153$108,156

Frequently asked questions about CGNX activity

  • Which institutional owners are buying CGNX?

    Institutional owners buying CGNX 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 CGNX activity?

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

  • Is institutional interest in CGNX increasing?

    Institutional interest in CGNX 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.