Acuity Brands Ownership | Who Owns Acuity Brands?

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Acuity Brands Ownership Summary

Acuity Brands is owned by 99.64% institutional investors, 0.42% insiders. Fmr is the largest institutional shareholder, holding 11.91% of AYI shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.46% of its assets in Acuity Brands shares.

AYI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Acuity Brands	99.64%	0.42%	-0.06%
Sector	Industrials Stocks	67.76%	16.49%	15.75%
Industry	Electrical Equipment Stocks	53.83%	15.82%	30.35%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	3.60M	11.91%	$1.36B
Blackrock	3.45M	11.20%	$833.95M
Blackrock funding, inc. /de	2.98M	9.84%	$1.12B
Vanguard group	2.96M	9.65%	$1.07B
Vanguard capital management	1.37M	4.52%	$515.81M
Aqr capital management	1.27M	4.21%	$471.01M
State street	966.02K	3.19%	$363.85M
Fuller & thaler asset management	772.13K	2.55%	$290.83M
Geode capital management	768.42K	2.54%	$289.49M
Dimensional fund advisors lp	766.54K	2.53%	$288.70M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Allen operations	344.10K	17.96%	$129.61M
Greenstone partners	179.71K	15.65%	$67.69M
Greenstone partners	192.88K	12.15%	$66.43M
Cairn investment group	22.65K	3.76%	$8.53M
Lightrock netherlands b.v.	46.80K	3.48%	$17.63M
Montanaro asset management	28.95K	3.44%	$10.90M
Schwerin boyle capital management	72.69K	3.36%	$27.38M
Lathrop investment management	48.16K	3.21%	$18.14M
Seizert capital partners	148.73K	2.31%	$56.02M
Ashford capital management	63.54K	2.20%	$17.80M

Top Buyers

Holder	Shares	% Assets	Change
Fmr	3.60M	0.06%	1.25M
Aqr capital management	1.27M	0.16%	838.61K
Blackrock	3.45M	0.02%	546.55K
Norges bank	316.97K	0.01%	316.97K
Ubs group	515.77K	0.02%	291.11K

Top Sellers

Holder	Shares	% Assets	Change
T. rowe price investment management	104.94K	0.03%	-585.67K
Palestra capital management	-	-	-370.53K
Durable capital partners lp	68.65K	0.25%	-287.08K
Acadian asset management	335.12K	0.15%	-247.92K
Point72 asset management	-	-	-236.64K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	316.97K	0.01%	316.97K	$119.39M
Sixth street partners management company	219.84K	0.01%	219.84K	$82.80M
Greenstone partners	192.88K	12.15%	192.88K	$66.43M
Capital fund management	29.87K	0.05%	29.87K	$11.25M
Montanaro asset management	28.95K	3.44%	28.95K	$10.90M

Sold Out

Holder	Change
Tfo-tdc	-1.00
Rakuten securities	-1.00
Toth financial advisory	-1.00
American capital advisory	-1.00
Toronto dominion bank	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	646	8.57%	30,159,433	4.51%	99	1.12%	332	14.88%	190	-0.52%
Mar 31, 2026	333	-46.20%	9,331,231	-67.89%	30	0.34%	159	-49.04%	94	-50.79%
Dec 31, 2025	261	-55.23%	6,203,428	-78.38%	20	0.23%	129	-53.76%	72	-60.87%
Sep 30, 2025	273	-51.16%	7,293,529	-74.70%	23	0.27%	131	-45.64%	74	-66.21%
Jun 30, 2025	557	0.91%	31,011,747	4.63%	100	1.10%	239	-18.15%	220	34.15%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Mid-Cap ETF	1.03M	3.46%	32.00
Vanguard MStar Total Stk Mkt Idx Invest	965.60K	3.23%	2.83K
Vanguard Morn Total Stk Mkt Idx Investor	962.77K	3.22%	-14.25K
Vanguard Total Stock Mkt Idx Inv	962.77K	3.22%	-14.25K
Vanguard US Total Market Shares ETF	979.52K	3.16%	704.00
Strategic Advisers Fidelity US TtlStk	931.19K	3.11%	137.59K
Vanguard Small Cap Index	697.08K	2.33%	1.72K
FullerThaler Behavioral Small-Cap Equity	688.93K	2.30%	187.62K
FullerThaler Beh Small-Cap Equity SMA	688.93K	2.30%	248.92K
FullerThaler Behavioral Sm-Cp Eq R6	688.93K	2.30%	149.42K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 01, 2026	HOLCOM KAREN J	SVP & Chief Financial Officer	Sell	$659.24K
Jul 02, 2026	GOLDMAN BARRY R	SVP & General Counsel	Sell	$438.78K
Apr 30, 2026	Leibman Maya	-	Buy	$57.77K
Apr 08, 2026	O'Shaughnessy Laura	-	Buy	$282.98K
Jan 28, 2026	HOLCOM KAREN J	SVP & Chief Financial Officer	Sell	$1.54M

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	2
2026 Q2	2	-
2026 Q1	-	1
2025 Q4	-	9
2025 Q3	-	2

AYI Ownership FAQ

Who Owns Acuity Brands?

Acuity Brands shareholders are primarily institutional investors at 99.64%, followed by 0.42% insiders and -0.06% retail investors. The average institutional ownership in Acuity Brands's industry, Electrical Equipment Stocks, is 53.83%, which Acuity Brands exceeds.

Who owns the most shares of Acuity Brands?

Acuity Brands’s largest shareholders are Fmr (3.6M shares, 11.91%), Blackrock (3.45M shares, 11.20%), and Blackrock funding, inc. /de (2.98M shares, 9.84%). Together, they hold 32.95% of Acuity Brands’s total shares outstanding.

Does Blackrock own Acuity Brands?

Yes, BlackRock owns 11.20% of Acuity Brands, totaling 3.45M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 833.95M$. In the last quarter, BlackRock increased its holdings by 546.55K shares, a 18.80% change.

Who is Acuity Brands’s biggest shareholder by percentage of total assets invested?

Allen operations is Acuity Brands’s biggest shareholder by percentage of total assets invested, with 17.96% of its assets in 344.1K Acuity Brands shares, valued at 129.61M$.

Who is the top mutual fund holder of Acuity Brands shares?

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Acuity Brands shares, with 3.46% of its total shares outstanding invested in 1.03M Acuity Brands shares.

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