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Acuity Brands
AYI

568 hedge funds and large institutions have $9.94B invested in Acuity Brands in 2025 Q3 according to their latest regulatory filings, with 82 funds opening new positions, 195 increasing their positions, 185 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

217% more call options, than puts

Call options by funds: $50.9M | Put options by funds: $16.1M

100% more funds holding in top 10

Funds holding in top 10: 4 → 8 (+4)

44% more first-time investments, than exits

New positions opened: 82 | Existing positions closed: 57

15% more capital invested

Capital invested by funds: $8.66B → $9.94B (+$1.28B)

3% more funds holding

Funds holding: 549 → 568 (+19)

5% more repeat investments, than reductions

Existing positions increased: 195 | Existing positions reduced: 185

0.48% less ownership

Funds ownership: 94.69% → 94.21% (-0.48%)

Holders
568
Holders Change
+19
Holders Change %
+3.46%
% of All Funds
7.46%
Holding in Top 10
8
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+100%
% of All Funds
0.11%
New
82
Increased
195
Reduced
185
Closed
57
Calls
$50.9M
Puts
$16.1M
Net Calls
+$34.8M
Net Calls Change
+$17.5M

Top Buyers

1
Millennium Management
Millennium Management
New York
+$90.3M
2
PCM
Palestra Capital Management
New York
+$84.7M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$82.2M
4
UBS Group
UBS Group
Switzerland
+$55.6M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$48.7M

Top Sellers

1
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$105M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$82.4M
3
JP Morgan Chase
JP Morgan Chase
New York
-$41M
4
Geode Capital Management
Geode Capital Management
Massachusetts
-$41M
5
Caisse de Depot et Placement du Quebec (CDPQ)
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
-$35.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$1.04B -$30.4M -95,368 -3%
BlackRock
2
BlackRock
New York
$976M -$7.75M -24,322 -0.9%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$533M -$82.4M -258,412 -14%
DCP
4
Durable Capital Partners
Maryland
$470M +$36.3M +113,720 +9%
State Street
5
State Street
Massachusetts
$322M -$4.76M -14,916 -2%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$308M -$10.9M -34,310 -4%
American Century Companies
7
American Century Companies
Missouri
$281M +$5.42M +17,011 +2%
JP Morgan Chase
8
JP Morgan Chase
New York
$245M -$41M -128,731 -15%
Boston Partners
9
Boston Partners
Massachusetts
$218M +$18.5M +58,085 +10%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$205M -$624K -1,958 -0.3%
Millennium Management
11
Millennium Management
New York
$197M +$90.3M +283,203 +98%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$189M -$41M -128,525 -19%
Alyeska Investment Group
13
Alyeska Investment Group
Illinois
$175M +$48.7M +152,650 +43%
Fuller & Thaler Asset Management
14
Fuller & Thaler Asset Management
California
$164M -$27.1M -85,061 -15%
Invesco
15
Invesco
Georgia
$161M +$5.32M +16,682 +4%
Fidelity International
16
Fidelity International
Bermuda
$148M -$1.09M -3,434 -0.8%
Fisher Asset Management
17
Fisher Asset Management
Washington
$124M -$2.13M -6,685 -2%
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$123M -$26.5M -83,080 -19%
AO
19
Allen Operations
New York
$119M – – –
BTW
20
Boston Trust Walden
Massachusetts
$110M +$9.39M +29,457 +10%
Northern Trust
21
Northern Trust
Illinois
$106M -$2.25M -7,058 -2%
T. Rowe Price Associates
22
T. Rowe Price Associates
Maryland
$104M +$82.2M +257,766 +567%
AQR Capital Management
23
AQR Capital Management
Connecticut
$102M +$13.7M +42,945 +17%
Ameriprise
24
Ameriprise
Minnesota
$92.9M -$11.1M -34,871 -11%
PCM
25
Palestra Capital Management
New York
$91.5M +$84.7M +265,801 New
1
2 3 4 5

AYI Hedge Fund Activity: Q3 2025 in Review

568 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Acuity Brands (AYI) for Q3 2025, worth a combined $9.94B — up 15% from $8.66B a quarter earlier.

Buyers outnumbered sellers: 82 funds opened new AYI positions and 57 closed out — a net gain of 25 holders — while 195 added to existing stakes and 185 trimmed.

The largest buyer was Millennium Management, adding an estimated $90.3M. The largest seller was Balyasny Asset Management, cutting an estimated $105M.

  • 568 institutional investors held Acuity Brands (AYI) as of Q3 2025, up from 549 in Q2 2025.
  • Funds reported $9.94B of Acuity Brands stock for Q3 2025, up 15% quarter-over-quarter.
  • 82 funds opened new Acuity Brands positions in Q3 2025 and 57 closed out, a net change of +25 holders.
  • The largest Acuity Brands buyer in Q3 2025 was Millennium Management, an estimated $90.3M added.
  • The largest Acuity Brands seller in Q3 2025 was Balyasny Asset Management, an estimated $105M sold.

Based on aggregated 13F filings for Q3 2025.