DIGI INTERNATIONAL INC (DGII) Stock Institutional Trading Activity


DIGI INTERNATIONAL INC (DGII) 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 Renaissance Technologies LLC, Sequoia Financial Advisors, First Eagle U.S. Value, Mairs & Power Growth Fund, and Ariel Appreciation Fund. 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 2020Renaissance Technologies LLCSell-244,184532,100$5,076
Q1 2020Mairs & Power Growth FundBuy959,6342,259,349$21,554
Q4 2019Mairs & Power Growth FundBuy56,9251,299,715$23,031
Q4 2019Renaissance Technologies LLCBuy3,400776,284$13,756
Q3 2019Mairs & Power Growth FundBuy612,3701,242,790$16,927
Q3 2019Renaissance Technologies LLCBuy2,500772,884$10,527
Q2 2019Mairs & Power Growth FundBuy379,235630,420$7,994
Q2 2019Renaissance Technologies LLCBuy97,000770,384$9,768
Q1 2019Mairs & Power Growth FundBuy27,290251,185$3,183
Q1 2019Renaissance Technologies LLCBuy120,100673,384$8,532
Q4 2018Mairs & Power Growth FundBuy135,400223,895$2,259
Q4 2018Renaissance Technologies LLCBuy66,300553,284$5,583
Q3 2018Mairs & Power Growth FundBuy88,49588,495$1,190
Q3 2018Renaissance Technologies LLCBuy21,800486,984$6,550
Q1 2018Renaissance Technologies LLCBuy3,784465,184$4,791
Q4 2017Renaissance Technologies LLCSell-43,800461,400$4,406
Q3 2017Renaissance Technologies LLCBuy24,400505,200$5,355
Q2 2017Ariel Appreciation FundSell-22,262181,030$1,837
Q2 2017Renaissance Technologies LLCBuy60,600480,800$4,880
Q1 2017Ariel Appreciation FundSell-88,000203,292$2,419
Q1 2017Renaissance Technologies LLCBuy61,443420,200$5,000
Q4 2016Ariel Appreciation FundSell-59,546291,292$4,005
Q4 2016Renaissance Technologies LLCBuy106,757358,757$4,933
Q3 2016Ariel Appreciation FundBuy91,600350,838$4,000
Q3 2016Renaissance Technologies LLCBuy30,300252,000$2,873
Q2 2016Ariel Appreciation FundBuy61,638259,238$2,782
Q2 2016Renaissance Technologies LLCSell-32,784221,700$2,379
Q1 2016Ariel Appreciation FundBuy197,600197,600$1,863
Q1 2016Renaissance Technologies LLCSell-58,331254,484$2,400
Q4 2015Renaissance Technologies LLCBuy201,315312,815$3,560

Frequently asked questions about DGII activity

  • Which institutional owners are buying DGII?

    Institutional owners buying DGII 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 DGII activity?

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

  • Is institutional interest in DGII increasing?

    Institutional interest in DGII 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.