ACUITY BRANDS INC (AYI) Stock Institutional Trading Activity


ACUITY BRANDS INC (AYI) 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 Durable Capital Partners, Renaissance Technologies LLC, Polen Capital Management, Sequoia Financial Advisors, and Vulcan Value Partners. 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 2023Renaissance Technologies LLCSell-13,382116,918$19,912
Q3 2023Vulcan Value PartnersSell-818152,196$25,921
Q3 2023Hancock Classic ValueBuy6,141439,677$74,881,390
Q2 2023Renaissance Technologies LLCBuy42,300130,300$21,249
Q2 2023Vulcan Value PartnersBuy84,649153,014$24,953
Q2 2023Hancock Classic ValueBuy229,495433,536$70,701,051
Q1 2023Vulcan Value PartnersSell-171,68768,365$12,492
Q1 2023Renaissance Technologies LLCSell-47,30088,000$16,080
Q1 2023Hancock Classic ValueBuy204,041204,041$37,284,412
Q4 2022Renaissance Technologies LLCBuy6,400135,300$22,407
Q3 2022Renaissance Technologies LLCSell-5,700128,900$20,298
Q2 2022Renaissance Technologies LLCBuy80,700134,600$20,734
Q1 2022Renaissance Technologies LLCBuy9,20053,900$10,203
Q4 2021Renaissance Technologies LLCBuy42,70044,700$9,464
Q3 2021Renaissance Technologies LLCSell-26,3962,000$347
Q3 2021Vulcan Value PartnersSell-1,913240,052$41,618
Q3 2021Miller Value PartnersSell-191,176300,256$52,055
Q2 2021Renaissance Technologies LLCSell-275,52028,396$5,311
Q2 2021Vulcan Value PartnersSell-59,059241,965$45,255
Q2 2021Miller Value PartnersSell-129,293491,432$91,913
Q1 2021Vulcan Value PartnersSell-9,622301,024$49,669
Q1 2021Renaissance Technologies LLCSell-477,600303,916$50,146
Q1 2021Miller Value PartnersSell-35,511620,725$102,420
Q4 2020Vulcan Value PartnersBuy50,437310,646$37,616
Q4 2020Miller Value PartnersBuy165,203656,236$79,464
Q4 2020Renaissance Technologies LLCSell-317,200781,516$94,634
Q3 2020Vulcan Value PartnersSell-18,221260,209$26,632
Q3 2020Miller Value PartnersBuy491,033491,033$50,257
Q3 2020Renaissance Technologies LLCBuy174,8001,098,716$112,454
Q2 2020Vulcan Value PartnersBuy55,758278,430$26,657

Frequently asked questions about AYI activity

  • Which institutional owners are buying AYI?

    Institutional owners buying AYI 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 AYI activity?

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

  • Is institutional interest in AYI increasing?

    Institutional interest in AYI 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.