MONGODB INC (MDB) Stock Institutional Trading Activity


MONGODB INC (MDB) 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 ValueAct Holdings, Tiger Global Management, Renaissance Technologies LLC, Sequoia Financial Advisors, and Lone Pine Capital. 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
Q4 2019Tiger Global ManagementBuy1,042,3451,911,300$251,546
Q3 2019Tiger Global ManagementBuy471,955868,955$104,692
Q2 2019Renaissance Technologies LLCSell-491,700153,400$23,331
Q2 2019Tiger Global ManagementBuy164,700397,000$60,380
Q1 2019Tiger Global ManagementSell-465,419232,300$34,153
Q1 2019Renaissance Technologies LLCBuy324,500645,100$94,843
Q4 2018Renaissance Technologies LLCSell-103,500320,600$26,847
Q3 2018Renaissance Technologies LLCBuy424,100424,100$34,585
Q3 2018Tiger Global ManagementBuy647,719697,719$56,899
Q4 2017Tiger Global ManagementBuy50,00050,000$1,484

Frequently asked questions about MDB activity

  • Which institutional owners are buying MDB?

    Institutional owners buying MDB 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 MDB activity?

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

  • Is institutional interest in MDB increasing?

    Institutional interest in MDB 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.