Boston Partners
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Boston Partners’s Acuity Brands AYI Stock Holding History

Boston Partners’s Portfolio AYI Stock Details AYI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$202M Sell
535,556
-64,280
-11% -$19.1M 0.18% 163
2026
Q1 		$168M Sell
599,836
-819
-0.1% -$249K 0.18% 173
2025
Q4 		$216M Sell
600,655
-32,405
-5% -$11.7M 0.22% 160
2025
Q3 		$218M Buy
633,060
+58,085
+10% +$18.5M 0.22% 148
2025
Q2 		$172M Buy
574,975
+224,469
+64% +$58.1M 0.19% 176
2025
Q1 		$92.2M Sell
350,506
-6,597
-2% -$2M 0.11% 202
2024
Q4 		$104M Sell
357,103
-98,646
-22% -$30.8M 0.13% 198
2024
Q3 		$126M Sell
455,749
-20,257
-4% -$5.03M 0.15% 196
2024
Q2 		$115M Sell
476,006
-209,052
-31% -$53.4M 0.14% 197
2024
Q1 		$183M Sell
685,058
-4,207
-0.6% -$1.02M 0.22% 160
2023
Q4 		$142M Sell
689,265
-20,382
-3% -$3.68M 0.19% 180
2023
Q3 		$121M Buy
709,647
+187,128
+36% +$30.5M 0.17% 178
2023
Q2 		$85.3M Sell
522,519
-40,320
-7% -$6.44M 0.11% 204
2023
Q1 		$102M Buy
562,839
+438,993
+354% +$81M 0.14% 181
2022
Q4 		$20.9M Buy
123,846
+119,138
+2,531% +$21.2M 0.03% 298
2022
Q3 		$741K Buy
4,708
+93
+2% +$15.7K ﹤0.01% 547
2022
Q2 		$711K Hold
4,615
– – ﹤0.01% 567
2022
Q1 		$874K Buy
4,615
+134
+3% +$25.7K ﹤0.01% 560
2021
Q4 		$949K Hold
4,481
– – ﹤0.01% 543
2021
Q3 		$777K Sell
4,481
-646
-13% -$113K ﹤0.01% 556
2021
Q2 		$959K Sell
5,127
-105
-2% -$19.1K ﹤0.01% 546
2021
Q1 		$863K Sell
5,232
-439
-8% -$56K ﹤0.01% 591
2020
Q4 		$687K Sell
5,671
-481
-8% -$51.6K ﹤0.01% 578
2020
Q3 		$630K Sell
6,152
-59
-0.9% -$6.06K ﹤0.01% 591
2020
Q2 		$595K Sell
6,211
-876
-12% -$77.1K ﹤0.01% 598
2020
Q1 		$607K Buy
+7,087
New +$777K ﹤0.01% 577
2019
Q3 		– Sell
-14,063
Closed -$1.94M – 717
2019
Q2 		$1.94M Buy
+14,063
New +$1.93M ﹤0.01% 537

Other funds holding AYI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Boston Partners's AYI Position: Q2 2026 in Review

Boston Partners reduced its Acuity Brands (AYI) stake by 11% in Q2 2026, selling an estimated $19.1M and leaving 535,556 shares worth $202M. The position accounts for 0.18% of the portfolio, ranked #163.

Boston Partners first reported a position in AYI in Q2 2019 and has held it in 27 quarters since. The position peaked at $218M in Q3 2025. 636 funds tracked by Wall St. Rank hold AYI as of Q2 2026.

  • Boston Partners held 535,556 shares of Acuity Brands worth $202M as of Q2 2026.
  • Boston Partners sold 64,280 Acuity Brands shares in Q2 2026, an estimated $19.1M.
  • Acuity Brands made up 0.18% of Boston Partners's portfolio in Q2 2026, its #163 holding.
  • Boston Partners first reported a position in Acuity Brands in Q2 2019 and has held it in 27 quarters since.
  • Boston Partners's Acuity Brands position peaked at $218M in Q3 2025.
  • 636 funds tracked by Wall St. Rank held Acuity Brands as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.