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
Q4 2018Renaissance Technologies LLCSell-17,700242,356$9,372
Q4 2018Disciplined Growth InvestorsSell-9,563815,039$31,518
Q4 2018ARK InvestBuy8,64968,945$2,666
Q3 2018Joho CapitalSell-802,1072,266,917$126,539
Q3 2018Renaissance Technologies LLCSell-209,500260,056$14,516
Q3 2018Disciplined Growth InvestorsBuy25,390824,602$46,029
Q3 2018ARK InvestBuy17,12660,296$3,366
Q2 2018Joho CapitalBuy595,3583,069,024$136,909
Q2 2018ARK InvestBuy10,13043,170$1,926
Q2 2018Disciplined Growth InvestorsSell-2,826799,212$35,653
Q1 2018Joho CapitalBuy328,6742,473,666$128,606
Q1 2018Renaissance Technologies LLCBuy210,900469,556$24,412
Q1 2018Disciplined Growth InvestorsSell-35,611802,038$41,698
Q1 2018ARK InvestBuy15,09233,040$1,718
Q4 2017Joho CapitalBuy848,7912,144,992$131,188
Q4 2017Disciplined Growth InvestorsBuy414,079837,649$51,231
Q4 2017Renaissance Technologies LLCBuy142,528258,656$15,819
Q4 2017ARK InvestBuy17,94817,948$1,098
Q3 2017Disciplined Growth InvestorsSell-378,705423,570$46,711
Q3 2017Joho CapitalSell-107,5001,296,201$142,945
Q3 2017Renaissance Technologies LLCBuy78,000116,128$12,807
Q2 2017Disciplined Growth InvestorsSell-89,170802,275$68,113
Q1 2017Joho CapitalSell-225,0001,403,701$117,841
Q1 2017Disciplined Growth InvestorsBuy3,315891,445$74,837
Q4 2016Joho CapitalSell-61,4371,628,701$103,618
Q4 2016Disciplined Growth InvestorsSell-5,120888,130$56,503
Q3 2016Joho CapitalBuy149,5891,690,138$89,341
Q3 2016Disciplined Growth InvestorsBuy60,575893,250$47,217
Q3 2016Renaissance Technologies LLCSell-26,40038,128$2,015
Q2 2016Renaissance Technologies LLCSell-29,30064,528$2,781

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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