AVALONBAY COMMUNITIES INC (AVB) Stock Institutional Trading Activity


AVALONBAY COMMUNITIES INC (AVB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, Viking Global Investors, and Parnassus Endeavor 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
Q3 2025Sequoia Financial AdvisorsBuy4596,135$1,185,161
Q3 2025Renaissance Technologies LLCSell-80,76336,814$7,111,360
Q2 2025Sequoia Financial AdvisorsBuy2,9195,676$1,155,032
Q2 2025Renaissance Technologies LLCBuy101,577117,577$23,926,920
Q1 2025Sequoia Financial AdvisorsSell-212,757$591,709
Q4 2024Sequoia Financial AdvisorsBuy4572,778$611,183
Q3 2024Sequoia Financial AdvisorsBuy1382,321$522,906
Q3 2024Renaissance Technologies LLCSell-158,81416,000$3,604,000
Q2 2024Sequoia Financial AdvisorsBuy1642,183$451,674
Q1 2024Renaissance Technologies LLCBuy35,800174,814$32,438
Q1 2024Sequoia Financial AdvisorsBuy2172,019$374,567
Q4 2023Renaissance Technologies LLCBuy28,100139,014$26,026
Q4 2023Sequoia Financial AdvisorsBuy1,8021,802$337,422
Q3 2023Renaissance Technologies LLCSell-84,300110,914$19,048
Q2 2023Renaissance Technologies LLCSell-84,800195,214$36,948
Q1 2023Renaissance Technologies LLCSell-59,500280,014$47,059
Q4 2022Renaissance Technologies LLCBuy260,700339,514$54,838
Q3 2022Renaissance Technologies LLCBuy76,00078,814$14,517
Q2 2022Renaissance Technologies LLCSell-133,9002,814$547
Q4 2021Renaissance Technologies LLCBuy24,000136,714$34,533
Q1 2021Renaissance Technologies LLCSell-241,300112,714$20,797
Q4 2020Viking Global InvestorsSell-1,343,5861,209,895$194,103
Q3 2020Renaissance Technologies LLCSell-174,200354,014$52,868
Q3 2020Viking Global InvestorsBuy2,553,4812,553,481$381,337
Q2 2020Renaissance Technologies LLCBuy386,600528,214$81,683
Q2 2020Parnassus Endeavor FundBuy26,4471,292,991$199,948
Q1 2020Renaissance Technologies LLCBuy32,214141,614$20,841
Q1 2020Parnassus Endeavor FundSell-186,9461,266,544$186,397
Q4 2019Renaissance Technologies LLCSell-482,914109,400$22,941
Q4 2019Parnassus Endeavor FundSell-2,2161,453,490$304,797

Frequently asked questions about AVB activity

  • Which institutional owners are buying AVB?

    Institutional owners buying AVB 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 AVB activity?

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

  • Is institutional interest in AVB increasing?

    Institutional interest in AVB 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.