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. 98.6% of the shares are freely tradable; institutional investors hold 99.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.23 | 3,062,878 | +5.6 | 03/31/2026 |
| FMR Inc | 7.87 | 2,355,608 | +40.4 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.73 | 1,414,787 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.60 | 1,375,687 | +0.0 | 03/31/2026 |
| State Street Corp | 3.16 | 946,597 | +2.3 | 03/31/2026 |
| JPMorgan Chase & Co | 2.58 | 771,216 | +28.3 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.56 | 766,536 | +20.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.52 | 1,054,847 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.23 | 965,603 | +0.3 | 07/31/2026 |
| Strategic Advisers Fidelity US TtlStk | 3.17 | 947,789 | +1.8 | 07/31/2026 |
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 |
|---|---|---|---|---|---|
| Holcom Karen J | SVP & Chief Financial Officer | 17,447 | 5,286,441 $ | Sep 1, 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 |
|---|---|---|---|---|---|---|
| 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: September 18, 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.