Acuity Brands, Inc.
Acuity Brands, Inc. (AYI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AYI · as of Mar 31, 2025
Ownership Breakdown
561
Institutional Holders
▲ 4 vs Q4
$7.99B
Total Inst. Value
▼ $859.21M vs Q4
30.32M
Shares Outstanding
freeFloat 99.55%
30.35M
13F Shares Held
▲ 41,562 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AYI largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. electric lighting & wiring equipment | 3.16M | 10.21% | 10.21% | $833.22B | May 2, 2025 | ▼ 72.8K |
VANGUARD GROUP INC electric lighting & wiring equipment | 3.12M | 10.06% | 10.06% | $821.29B | May 9, 2025 | ▲ 14.1K |
FMR LLC electric lighting & wiring equipment | 2.10M | 6.76% | 6.76% | $551.86B | May 12, 2025 | ▲ 98.5K |
FULLER & THALER ASSET MANAGEMENT, INC. electric lighting & wiring equipment | 1.14M | 3.68% | 3.68% | $300.18B | May 13, 2025 | ▲ 18.9K |
DURABLE CAPITAL PARTNERS LP electric lighting & wiring equipment | 1.10M | 3.54% | 3.54% | $289.29B | May 15, 2025 | ▲ 10.0K |
STATE STREET CORP electric lighting & wiring equipment | 999.3K | 3.22% | 3.22% | $263.16B | May 15, 2025 | ▲ 10.5K |
WELLINGTON MANAGEMENT GROUP LLP electric lighting & wiring equipment | 958.3K | 3.09% | 3.09% | $252.37B | May 13, 2025 | ▼ 159.2K |
AMERICAN CENTURY COMPANIES INC electric lighting & wiring equipment | 832.5K | 2.69% | 2.69% | $219.24B | May 13, 2025 | ▲ 24.2K |
JPMORGAN CHASE & CO electric lighting & wiring equipment | 790.0K | 2.55% | 2.55% | $208.05B | May 12, 2025 | ▼ 131.5K |
GEODE CAPITAL MANAGEMENT, LLC electric lighting & wiring equipment | 678.8K | 2.19% | 2.19% | $178.82B | May 13, 2025 | ▲ 34.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
27
Increased
+1.20M shares4
New Positions
first time holders18
Decreased
−898.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+301.5K
+1.20M / −898.2K
Net new holders
+13
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AYI insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Leibman Maya director | Apr 30, 2026 | Purchase | 200 | $288.83 | $57.8K | 400 | Form 4 ↗ |
O'Shaughnessy Laura director | Apr 8, 2026 | Purchase | 1,000 | $282.98 | $283.0K | 3.1K | Form 4 ↗ |
HOLCOM KAREN J SVP & Chief Financial Officer | Jan 28, 2026 | Sale | 4,974 | $309.23 | $1.54M | 21.5K | Form 4 ↗ |
Sachleben Mark director | Jan 21, 2026 | Award | 546 | — | — | 546 | Form 4 ↗ |
O'Shaughnessy Laura director | Jan 21, 2026 | Award | 546 | — | — | 546 | Form 4 ↗ |
Leibman Maya director | Jan 21, 2026 | Award | 546 | — | — | 546 | Form 4 ↗ |
HANCE JAMES H JR director | Jan 21, 2026 | Award | 546 | $320.59 | $175.0K | 18.6K | Form 4 ↗ |
DILLARD GEORGE DOUGLAS JR director | Jan 21, 2026 | Award | 546 | — | — | 546 | Form 4 ↗ |
Bender Michael J director | Jan 21, 2026 | Award | 546 | — | — | 546 | Form 4 ↗ |
Battle W. Patrick director | Jan 21, 2026 | Award | 546 | — | — | 546 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Acuity Brands, Inc. (AYI) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.45%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Acuity Brands, Inc. is BLACKROCK, INC., holding approximately 3.16 million shares — equal to 10.21% of outstanding shares — as of March 31, 2025.
A total of 561 institutional investors currently hold AYI stock, with a combined institutional value of approximately $7.99 billion as of the most recent 13F filing period.
Frequently asked questions
AYI ownershipAcuity Brands, Inc. (AYI) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 10.21% stake. Company insiders hold 0.45%. Data sourced from SEC Form 13F as of March 31, 2025.