Acuity Brands Inc
Ownership
Ownership Structure
Who owns Acuity Brands Inc (AYI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.8% of the shares are freely tradable; institutional investors hold 99.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 12.04 | 3,604,071 | +53.0 | 06/30/2026 |
| BlackRock Inc | 9.95 | 2,978,769 | -2.7 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.80 | 1,436,715 | +1.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.57 | 1,369,435 | -0.5 | 06/30/2026 |
| AQR Capital Management LLC | 4.26 | 1,274,516 | +192.4 | 06/30/2026 |
| State Street Corp | 3.23 | 966,017 | +2.1 | 06/30/2026 |
| Fuller & Thaler Asset Management Inc | 2.58 | 772,130 | +40.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.54 | 1,059,203 | +0.0 | 09/30/2026 |
| Strategic Advisers Fidelity US TtlStk | 3.19 | 954,266 | +0.7 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.17 | 950,083 | -1.5 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ashe Neil | President & CEO | 64,858 | 21,883,089 $ | Nov 2, 2026 | direct |
| Holcom Karen J | SVP & Chief Financial Officer | 26,004 | 8,773,750 $ | Oct 24, 2026 | direct |
| Goldman Barry R | SVP & General Counsel | 6,580 | 2,220,092 $ | Oct 27, 2026 | direct |
| O'Shaughnessy Laura | Director | 3,184 | 1,074,282 $ | Oct 16, 2026 | direct |
| Dadyar Sara | SVP, Global Head HR | 2,972 | 1,002,753 $ | Oct 23, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Ashe Neil | President & CEO | Sell | 1,000 | 325.00 | 325,000 |
| Nov 2, 2026 | Ashe Neil | President & CEO | Sell | 3,000 | 323.45 | 970,350 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 282 | 325.07 | 91,670 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 238 | 323.86 | 77,079 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 920 | 323.04 | 297,197 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 388 | 321.80 | 124,858 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 772 | 320.48 | 247,411 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 800 | 319.22 | 255,376 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 2,640 | 318.54 | 840,946 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 560 | 317.32 | 177,699 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 817 | 316.02 | 258,188 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 1,040 | 315.02 | 327,621 |
| Oct 30, 2026 | Ashe Neil | President & CEO | Sell | 760 | 313.98 | 238,625 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 480 | 327.30 | 157,104 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 1,155 | 326.29 | 376,865 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 3,512 | 325.30 | 1,142,454 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 1,320 | 324.37 | 428,168 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 720 | 321.84 | 231,725 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 400 | 320.69 | 128,276 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 120 | 318.09 | 38,171 |
| Oct 29, 2026 | Ashe Neil | President & CEO | Sell | 240 | 323.01 | 77,522 |
| Oct 28, 2026 | Ashe Neil | President & CEO | Sell | 280 | 320.00 | 89,600 |
| Oct 28, 2026 | Ashe Neil | President & CEO | Sell | 1,948 | 318.84 | 621,100 |
| Oct 28, 2026 | Ashe Neil | President & CEO | Sell | 7,295 | 318.22 | 2,321,415 |
| Oct 28, 2026 | Ashe Neil | President & CEO | Sell | 6,544 | 317.03 | 2,074,644 |
| Oct 28, 2026 | Ashe Neil | President & CEO | Sell | 5,286 | 316.14 | 1,671,116 |
| Oct 28, 2026 | Ashe Neil | President & CEO | Sell | 707 | 314.53 | 222,373 |
| Oct 27, 2026 | Goldman Barry R | SVP & General Counsel | Sell | 3,800 | 321.48 | 1,221,624 |
| Oct 24, 2026 | Goldman Barry R | SVP & General Counsel | Other | 3,476 | 318.72 | 1,107,871 |
| Oct 24, 2026 | Goldman Barry R | SVP & General Counsel | Other | 7,394 | 0.00 | – |
| Oct 24, 2026 | Holcom Karen J | SVP & Chief Financial Officer | Other | 6,066 | 318.72 | 1,933,356 |
| Oct 24, 2026 | Holcom Karen J | SVP & Chief Financial Officer | Other | 12,200 | 0.00 | – |
| Oct 24, 2026 | Ashe Neil | President & CEO | Other | 26,749 | 318.72 | 8,525,441 |
| Oct 24, 2026 | Ashe Neil | President & CEO | Other | 55,452 | 0.00 | – |
| Oct 23, 2026 | Dadyar Sara | SVP, Global Head HR | Other | 103 | 318.72 | 32,828 |
| Oct 23, 2026 | Goldman Barry R | SVP & General Counsel | Other | 128 | 318.72 | 40,796 |
| Oct 23, 2026 | Holcom Karen J | SVP & Chief Financial Officer | Other | 225 | 318.72 | 71,712 |
| Oct 23, 2026 | Ashe Neil | President & CEO | Other | 661 | 318.72 | 210,674 |
| Oct 22, 2026 | Dadyar Sara | SVP, Global Head HR | Other | 1,388 | 0.00 | – |
| Oct 22, 2026 | Goldman Barry R | SVP & General Counsel | Other | 1,734 | 0.00 | – |
| Oct 22, 2026 | Holcom Karen J | SVP & Chief Financial Officer | Other | 2,648 | 0.00 | – |
| Oct 22, 2026 | Ashe Neil | President & CEO | Other | 8,078 | 0.00 | – |
| Oct 16, 2026 | O'Shaughnessy Laura | Director | Buy | 73 | 302.32 | 22,069 |
| Sep 1, 2026 | Holcom Karen J | SVP & Chief Financial Officer | Sell | 2,000 | 329.62 | 659,240 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.