COGNEX CORP (CGNX) Institutional Ownership Changes & 13F Activity

COGNEX CORP (CGNX) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Engaged Capital, Disciplined Growth Investors, Mairs & Power Growth Fund, Renaissance Technologies LLC, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2021Disciplined Growth InvestorsSell-170,3621,176,791$97,662
Q1 2021Renaissance Technologies LLCBuy150,200279,156$23,167
Q1 2021FundsmithBuy6,7601,611,251$133,718
Q4 2020Disciplined Growth InvestorsSell-55,2741,347,153$108,156
Q4 2020Renaissance Technologies LLCSell-16,800128,956$10,353
Q4 2020Joho CapitalSell-14,00914,112$1,133
Q4 2020FundsmithBuy1,8981,604,491$128,817
Q3 2020Renaissance Technologies LLCBuy68,900145,756$9,489
Q3 2020Disciplined Growth InvestorsSell-45,6501,402,427$91,298
Q2 2020Disciplined Growth InvestorsSell-639,8381,448,077$86,479
Q2 2020FundsmithBuy93,5941,602,593$95,707
Q2 2020Renaissance Technologies LLCBuy11,05676,856$4,590
Q1 2020FundsmithBuy341,1821,508,999$63,710
Q1 2020Joho CapitalSell-80,00028,121$1,187
Q1 2020Disciplined Growth InvestorsBuy63,3162,087,915$88,152
Q4 2019Disciplined Growth InvestorsBuy513,8052,024,599$113,459
Q4 2019ARK InvestSell-22,95246,649$2,614
Q3 2019Joho CapitalSell-1,157,000108,121$5,312
Q3 2019Disciplined Growth InvestorsBuy283,2411,510,794$74,225
Q3 2019ARK InvestSell-1,97369,601$3,419
Q2 2019Joho CapitalSell-646,6201,265,121$60,701
Q2 2019Disciplined Growth InvestorsBuy189,4841,227,553$58,898
Q2 2019FundsmithBuy134,6501,167,817$56,032
Q2 2019ARK InvestBuy2,62971,574$3,434
Q1 2019Joho CapitalSell-863,9741,911,741$97,231
Q1 2019Disciplined Growth InvestorsBuy223,0301,038,069$52,796
Q1 2019Renaissance Technologies LLCSell-176,55665,800$3,347
Q4 2018FundsmithBuy1,033,1671,033,167$39,953
Q4 2018Viking Global InvestorsBuy884,422884,422$34,201
Q4 2018Joho CapitalBuy508,7982,775,715$107,337

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.

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