Latest Period
Q1 2026
Security Snapshot
ACUITY INC. (DE) - COMMON STOCK (AYI) Institutional Ownership
CUSIP: 00508Y102
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
577
Shares (Excl. Options)
28,850,093
Price
$280.22
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- AYI on NYSE
- Shares outstanding
- 30,410,422
- Reported price per share
- $295.42
- Price from insider filings
- $295.42
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 28,850,093
- Total reported value
- $8,077,492,978
- Portfolio coverage rank
- 0.01%
- Share change
- -350,360
- Value change
- -$276,480,176
- Number of holders
- 577
Security identity
Issuer context
Latest holder snapshot
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- AYI - ACUITY INC. (DE) - COMMON STOCK is tracked under CUSIP 00508Y102.
- 577 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 613 to 577 between Q4 2025 and Q1 2026.
- Reported value moved from $10,509,761,341 to $8,077,492,978.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 577 institutions filings for Q1 2026.
Security key
00508Y102
Latest holder period
Q1 2026
13F holders
577
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
AYI full holder history
ACUITY INC. (DE) SEC filings
ACUITY INC. (DE) company facts
ACUITY INC. (DE) insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00508Y102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
AYI
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 12% | +54% | $1,022,593,365 | +$362,504,491 | 3,649,251 | +55% | FMR LLC | 30 Apr 2026 |
| BlackRock, Inc. | 8.9% | $670,702,474 | 2,755,217 | BlackRock, Inc. | 31 Mar 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $451,081,784 | 1,609,741 | Vanguard Capital Management | 31 Mar 2026 |
As of 31 Mar 2026, 577 institutional investors reported holding 28,850,093 shares of ACUITY INC. (DE) - COMMON STOCK (AYI). This represents 95% of the company’s total 30,410,422 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
62%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | 3,062,878 | +5.6% | 0.02% | $858,279,655 |
| FMR LLC | 7.7% | 2,355,608 | +40% | 0.03% | $660,088,593 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.7% | 1,414,787 | 0% | 0.02% | $396,451,613 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 1,375,687 | 0% | 0.01% | $385,495,011 |
| STATE STREET CORP | 3.1% | 946,597 | +2.3% | 0.01% | $265,255,411 |
| JPMORGAN CHASE & CO | 2.5% | 771,216 | +28% | 0.01% | $210,095,112 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.5% | 763,038 | -3.2% | 0.04% | $213,818,509 |
| AMERICAN CENTURY COMPANIES INC | 2.5% | 748,980 | -1.1% | 0.11% | $209,879,176 |
| T. Rowe Price Investment Management, Inc. | 2.3% | 690,617 | +667% | 0.13% | $193,525,000 |
| DIMENSIONAL FUND ADVISORS LP | 2.1% | 635,160 | +8.2% | 0.04% | $177,969,723 |
| Boston Partners | 2% | 599,836 | -0.14% | 0.18% | $168,050,281 |
| ACADIAN ASSET MANAGEMENT LLC | 1.9% | 583,045 | +57% | 0.23% | $163,340,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 576,447 | +1.1% | 0.01% | $161,570,734 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.8% | 549,645 | +15% | 0.52% | $154,021,509 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.5% | 441,530 | +5% | 0.01% | $123,727,000 |
| AQR CAPITAL MANAGEMENT LLC | 1.4% | 435,906 | +33% | 0.05% | $119,978,770 |
| FIL Ltd | 1.4% | 424,614 | -1.2% | 0.09% | $118,985,335 |
| FIRST TRUST ADVISORS LP | 1.2% | 378,006 | +32% | 0.08% | $105,924,808 |
| Durable Capital Partners LP | 1.2% | 355,729 | -56% | 1% | $99,682,380 |
| ALLEN OPERATIONS LLC | 1.1% | 344,100 | 0% | 14% | $96,423,702 |
| Fisher Asset Management, LLC | 1.1% | 333,488 | -1.4% | 0.03% | $93,450,067 |
| NORTHERN TRUST CORP | 0.97% | 296,333 | +0.82% | 0.01% | $83,038,435 |
| Allianz Asset Management GmbH | 0.97% | 295,772 | +40% | 0.1% | $82,881,230 |
| Alyeska Investment Group, L.P. | 0.97% | 293,541 | -47% | 0.23% | $82,256,059 |
| BANK OF AMERICA CORP /DE/ | 0.93% | 283,456 | +59% | 0.01% | $79,430,043 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 28,850,093 | $8,077,492,978 | -$276,480,176 | $280.22 | 577 |
| 2025 Q4 | 29,195,531 | $10,509,761,341 | +$173,343,119 | $360.04 | 613 |
| 2025 Q3 | 28,726,595 | $9,890,948,417 | -$93,313,064 | $344.39 | 564 |
| 2025 Q2 | 28,914,660 | $8,625,627,001 | -$258,915,886 | $298.34 | 544 |
| 2025 Q1 | 29,828,243 | $7,849,215,373 | -$193,671,604 | $263.35 | 537 |
| 2024 Q4 | 30,234,839 | $8,834,581,836 | +$111,913,345 | $292.13 | 539 |
| 2024 Q3 | 29,691,144 | $8,180,361,922 | -$32,596,923 | $275.39 | 472 |
| 2024 Q2 | 29,993,730 | $7,241,583,819 | +$229,485,951 | $241.44 | 479 |
| 2024 Q1 | 28,826,487 | $7,744,784,340 | -$359,710,727 | $268.73 | 470 |
| 2023 Q4 | 30,391,559 | $6,226,330,586 | -$245,243,297 | $204.83 | 430 |
| 2023 Q3 | 31,498,494 | $5,364,270,520 | -$34,982,570 | $170.31 | 395 |
| 2023 Q2 | 31,695,275 | $5,172,198,132 | +$100,403,749 | $163.08 | 402 |
| 2023 Q1 | 30,934,967 | $5,642,492,481 | +$100,564,358 | $182.73 | 400 |
| 2022 Q4 | 30,388,127 | $5,035,033,547 | +$99,148,183 | $165.61 | 382 |
| 2022 Q3 | 30,715,005 | $4,844,749,402 | -$113,055,599 | $157.47 | 350 |
| 2022 Q2 | 31,309,156 | $4,820,937,857 | -$119,860,006 | $154.04 | 337 |
| 2022 Q1 | 32,171,287 | $6,064,948,650 | -$68,754,939 | $189.30 | 379 |
| 2021 Q4 | 32,384,732 | $6,829,106,494 | -$338,496,572 | $211.72 | 392 |
| 2021 Q3 | 34,093,689 | $5,915,258,181 | -$174,717,113 | $173.37 | 337 |
| 2021 Q2 | 35,008,206 | $6,550,283,586 | -$444,332,126 | $187.03 | 354 |
| 2021 Q1 | 37,194,936 | $6,134,831,445 | +$20,092,966 | $165.00 | 336 |
| 2020 Q4 | 37,280,211 | $4,510,519,834 | -$129,845,776 | $121.09 | 330 |
| 2020 Q3 | 38,365,891 | $3,929,835,690 | +$180,069,488 | $102.35 | 326 |
| 2020 Q2 | 36,771,157 | $3,516,763,380 | +$35,135,230 | $95.74 | 332 |
| 2020 Q1 | 36,504,683 | $3,120,627,838 | -$112,459,058 | $85.66 | 336 |
| 2019 Q4 | 37,226,977 | $5,132,590,447 | +$114,459,625 | $138.00 | 377 |
| 2019 Q3 | 36,264,915 | $4,883,007,867 | -$72,114,864 | $134.79 | 373 |
| 2019 Q2 | 36,745,010 | $5,057,738,046 | +$11,178,945 | $137.91 | 386 |
| 2019 Q1 | 36,824,778 | $4,418,400,138 | -$99,317,076 | $120.01 | 390 |
| 2018 Q4 | 36,021,866 | $4,139,172,244 | -$442,976,964 | $114.95 | 368 |
| 2018 Q3 | 40,518,159 | $6,368,681,648 | -$89,286,570 | $157.20 | 422 |
| 2018 Q2 | 41,867,166 | $4,851,151,610 | -$494,933,940 | $115.87 | 408 |
| 2018 Q1 | 45,597,105 | $6,345,173,705 | -$110,183,120 | $139.19 | 401 |
| 2017 Q4 | 46,102,604 | $8,111,729,478 | +$60,241,558 | $176.00 | 409 |
| 2017 Q3 | 45,370,236 | $7,768,553,061 | -$33,092,289 | $171.28 | 395 |
| 2017 Q2 | 46,195,443 | $9,381,848,991 | +$248,682,165 | $203.28 | 426 |
| 2017 Q1 | 45,050,233 | $9,190,480,798 | +$1,296,046,011 | $204.00 | 452 |
| 2016 Q4 | 41,907,174 | $9,675,846,099 | +$140,831,639 | $230.86 | 496 |
| 2016 Q3 | 40,927,749 | $10,823,962,418 | -$91,475,421 | $264.60 | 482 |
| 2016 Q2 | 41,336,760 | $10,251,744,937 | -$156,766,125 | $247.96 | 485 |
| 2016 Q1 | 42,005,474 | $9,158,696,091 | +$364,346,332 | $218.14 | 424 |
| 2015 Q4 | 40,278,137 | $9,417,413,451 | -$34,233,527 | $233.80 | 437 |
| 2015 Q3 | 40,439,105 | $7,100,196,989 | +$207,241,783 | $175.58 | 394 |
| 2015 Q2 | 39,443,318 | $7,099,257,907 | +$92,067,909 | $179.98 | 374 |
| 2015 Q1 | 39,028,295 | $6,568,432,462 | -$213,373,504 | $168.16 | 330 |
| 2014 Q4 | 40,366,547 | $5,656,339,087 | -$64,771,123 | $140.07 | 292 |
| 2014 Q3 | 40,952,197 | $4,820,466,648 | -$17,172,899 | $117.71 | 251 |
| 2014 Q2 | 40,464,872 | $5,594,185,994 | +$27,711,893 | $138.25 | 269 |
| 2014 Q1 | 40,369,263 | $5,350,147,097 | -$69,921,227 | $132.57 | 279 |