ACUITY INC. (DE) (AYI)

As of 31 August 2026, short interest in AYI is 1,029,494 shares, down 333,725 shares over the last month. Over the last 48 readings it ranged from 512,089 shares (30 September 2025) to 1,456,107 shares (15 July 2026). At the reported average volume of 194K shares a day that is 5.3 days to cover, elevated.

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As of 17 September 2026, the short share of AYI volume is 29.4%, down 33.1 points over the last five sessions. Over the last 52 readings it ranged from 29.4% (17 September 2026) to 79.7% (7 August 2026). The latest reading sits at the bottom of that range. The latest reading is 32.8 points below the 30-session average of 62.2%, on 176K shares reported.

As of 24 August 2026, the fails-to-deliver balance in AYI is 2,667 shares, up 2,576 shares over the last settlement date. Over the last 52 readings it ranged from 1 share (2 May 2025) to 14,658 shares (19 December 2024).

Insiders at AYI reported 2 open-market sells worth $1.1M in the last 90 days and no open-market buys. Sells alone are a weak signal; insiders sell for tax, diversification and estate reasons all the time. Latest filing: HOLCOM KAREN J (SVP & Chief Financial Officer) on 2026-09-01.

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are the rarer, stronger signal.

6 Form 144 notices on file for AYI worth $6.6M at the prices reported; 2 in the last 90 days worth $1.1M. Latest: HOLCOM KAREN J filed on 2026-09-01 to sell 2,000 shares ($659K) from 2026-09-01.

4 holders above 5% have filed on AYI, all on Schedule 13G (passive). The largest reported stake is FMR LLC at 12.0% of the class (3,649,251 shares), filed 2026-05-07 for an event on 2026-04-30.

8 of the 30 tracked managers held AYI at their latest 13F, $732.0M in total at quarter-end prices. AQR Capital Management is the largest at $471.0M (0.2% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 5 cut.

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

In Q2 2026 (quarter ended 2026-05-31) ACUITY INC. (DE) reported revenue of $1.20B, up 1.6% from the same quarter a year earlier, and net income of $141.0M (4.56 diluted EPS). In FY 2025 it generated $601.4M of operating cash flow and spent $118.5M on buybacks and $20.6M on dividends. As of 2026-05-31, cash was $411.9M against $697.3M of debt.

Quarterly, last 8 quarters

Fiscal years, with buybacks and dividends

Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are cash paid to repurchase common stock in the year (XBRL PaymentsForRepurchaseOfCommonStock), not authorizations. Balance sheet lines are as of 2026-05-31; shares outstanding as of 2026-06-23 from the cover page.