13F reference period
Q3 2026
Security Snapshot
ACUITY INC. (DE) - COMMON STOCK (AYI) Institutional Ownership
CUSIP: 00508Y102
13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026
Institutions Reporting
395
Shares (Excl. Options)
13.71M
Full value: 13,705,401 · shares · 30 Sep 2026Price
$309.81
The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- AYI on NYSE
- All holders as of 30 Sep 2026
- Q3 2026
- Total 13F shares
- 13,705,401
- Total 13F value
- $4,238,834,906
- Portfolio coverage rank
- 0.01%
- Share change
- +98,800
- Value change
- +$23,905,424
- Number of holders
- 395
- Shares outstanding
- 30,410,422
- SEC-reported price per share
- $309.81
- Insider filing price
- $309.81
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- AYI - ACUITY INC. (DE) - COMMON STOCK is tracked under CUSIP 00508Y102.
- 395 institutions reported positions in Q3 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 640 to 395 between Q2 2026 and Q3 2026.
- SEC-reported value moved from to
$11.3B
Full value: $11,302,985,430 · USD · 30 Jun 2026.$4.24B
Full value: $4,238,834,906 · USD · 30 Sep 2026
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 395 institutions filings for Q3 2026.
Security key
00508Y102
13F reference period
Q3 2026
13F holders
395
13D/G owners
3
CIK / CUSIP context first
Open Q3 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 30 Sep 2026,
395
institutional investors reported holding
shares of
ACUITY INC. (DE) - COMMON STOCK (AYI).
This represents
45%
of the company’s total
outstanding shares.
13.71M
Full value: 13,705,401 · shares · 30 Sep 202630.41M
Full value: 30,410,422 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
35%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.7% | 1,423,474 | -0.92% | 0.02% | $441,006,480 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 1,345,588 | -1.7% | 0.01% | $416,876,618 |
| STATE STREET CORP | 3.2% | 970,138 | +0.43% | 0.01% | $300,558,454 |
| DIMENSIONAL FUND ADVISORS LP | 2.7% | 825,688 | +7.7% | 0.05% | $255,805,075 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 755,718 | -1.7% | 0.01% | $234,172,563 |
| AMERICAN CENTURY COMPANIES INC | 2.5% | 750,891 | +1% | 0.1% | $232,633,541 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.4% | 718,857 | -6.9% | 0.66% | $222,708,970 |
| FIL Ltd | 1.4% | 423,762 | 0% | 0.09% | $131,285,705 |
| FIRST TRUST ADVISORS LP | 1.4% | 415,684 | -4.3% | 0.08% | $128,783,180 |
| ALLEN OPERATIONS LLC | 1.1% | 344,100 | 0% | 11% | $106,605,621 |
| MORGAN STANLEY | 1.1% | 339,499 | -6.5% | 0.01% | $105,181,028 |
| Quantinno Capital Management LP | 0.98% | 298,594 | +143% | 0.09% | $92,507,677 |
| Qube Research & Technologies Ltd | 0.88% | 268,797 | +1483% | 0.08% | $83,275,999 |
| Boston Trust Walden Corp | 0.85% | 258,611 | -4.4% | 0.65% | $80,120,274 |
| EARNEST PARTNERS LLC | 0.65% | 197,282 | -6.6% | 0.24% | $61,119,936 |
| VANGUARD FIDUCIARY TRUST CO | 0.62% | 188,809 | -1% | 0.01% | $58,494,916 |
| Greenstone Partners & Co., LLC | 0.55% | 167,405 | -6.8% | 14% | $51,863,743 |
| Thrivent Financial for Lutherans | 0.55% | 165,809 | +1.6% | 0.08% | $51,369,000 |
| SEIZERT CAPITAL PARTNERS, LLC | 0.46% | 138,584 | -6.8% | 1.9% | $42,934,709 |
| STOREBRAND ASSET MANAGEMENT AS | 0.43% | 129,761 | +3.9% | 0.1% | $40,201,255 |
| Robeco Institutional Asset Management B.V. | 0.41% | 125,593 | +56% | 0.05% | $38,909,968 |
| Fisher Asset Management, LLC | 0.41% | 124,484 | -62% | 0.01% | $38,566,592 |
| Invesco Ltd. | 0.32% | 97,567 | -6.2% | 0% | $30,227,234 |
| JUPITER ASSET MANAGEMENT LTD | 0.31% | 95,066 | -30% | 0.14% | $29,452,397 |
| CAPTRUST FINANCIAL ADVISORS | 0.31% | 93,531 | +10% | 0.04% | $28,976,883 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
51
Headline period
Q3 2026
Rows shown
1-25 of 51
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 13,705,401 | $4,238,834,906 | +$23,905,424 | $309.81 | 395 |
| 2026 Q2 | 30,083,302 | $11,302,985,430 | +$520,166,869 | $376.66 | 640 |
| 2026 Q1 | 28,861,596 | $8,080,716,459 | -$275,528,847 | $280.22 | 584 |
| 2025 Q4 | 29,195,580 | $10,509,779,073 | +$172,604,317 | $360.04 | 614 |
| 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 |