Aecom Ownership | Who Owns Aecom?

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Aecom Ownership Summary

Aecom is owned by 93.50% institutional investors, 0.49% insiders, and 6.01% retail investors. Blackrock is the largest institutional shareholder, holding 12.74% of ACM shares. UBS: Global Equity is the top mutual fund, with 3.78% of its assets in Aecom shares.

ACM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Aecom	93.50%	0.49%	6.01%
Sector	Industrials Stocks	65.90%	16.70%	17.40%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	17.32M	12.74%	$1.53B
Blackrock funding, inc. /de	14.38M	11.17%	$1.00B
Vanguard group	12.29M	9.29%	$1.17B
Primecap management co/ca/	8.79M	6.83%	$613.34M
Vanguard capital management	5.81M	4.51%	$405.40M
Barrow hanley mewhinney & strauss	5.50M	4.27%	$383.70M
State street	4.11M	3.19%	$286.61M
Fmr	3.76M	2.92%	$262.32M
Ubs asset management americas	3.57M	2.77%	$248.86M
Invesco	3.19M	2.48%	$222.79M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Forsta ap-fonden	1.00	100.00%	$1.00K
Sandhill capital partners	414.68K	2.35%	$28.94M
Value management	154.55K	1.80%	$10.79M
Running oak capital	133.73K	1.59%	$9.33M
Payden & rygel investment group	198.27K	1.41%	$17.48M
Steinberg asset management	28.19K	1.22%	$1.97M
Barrow hanley mewhinney & strauss	5.50M	1.16%	$383.70M
Buckingham capital management	94.10K	1.15%	$10.05M
Stanley capital management	116.40K	1.08%	$8.12M
Impax asset management group	2.13M	0.97%	$148.56M

Top Buyers

Holder	Shares	% Assets	Change
Barrow hanley mewhinney & strauss	5.50M	1.16%	2.64M
Arrowstreet capital, limited partnership	2.10M	0.06%	1.86M
Norges bank	1.85M	0.01%	1.85M
Qube research	2.12M	0.14%	1.68M
Fmr	3.76M	0.01%	1.65M

Top Sellers

Holder	Shares	% Assets	Change
Pictet asset management sa	152.30K	0.01%	-1.98M
Blackrock funding, inc. /de	14.38M	0.01%	-1.38M
Lord, abbett	-	-	-1.01M
Agf management	-	-	-964.76K
State street	4.11M	0.01%	-935.36K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.85M	0.01%	1.85M	$129.34M
Sixth street partners management company	968.70K	0.01%	968.70K	$67.61M
Perpetual	484.72K	0.48%	484.72K	$33.83M
Letko, brosseau & associates	390.07K	0.40%	390.07K	$27.23M
Axa investment managers	281.31K	0.10%	281.31K	$36.70M

Sold Out

Holder	Change
New millennium group	-1.00
Tfc financial management	-1.00
Transamerica financial advisors	-1.00
American capital advisory	-2.00
Optima capital	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	580	-8.23%	120,362,758	6.20%	93	1.25%	269	-19.94%	233	15.92%
Mar 31, 2026	620	-5.20%	113,263,467	-1.59%	86	1.12%	328	12.71%	198	-21.12%
Dec 31, 2025	478	-26.12%	89,028,186	-23.14%	67	0.88%	195	-35.86%	188	-15.70%
Sep 30, 2025	620	-3.43%	111,211,088	-5.67%	84	1.06%	290	-12.12%	215	9.14%
Jun 30, 2025	630	9.38%	122,936,763	6.90%	92	1.23%	325	12.46%	196	-1.51%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
UBS: Global Equity	4.86M	3.78%	4.86M
iShares Core S&P Mid-Cap ETF	4.41M	3.43%	136.00
Vanguard US Total Market Shares ETF	4.26M	3.21%	-61.36K
Vanguard Morn Total Stk Mkt Idx Investor	4.08M	3.17%	-32.65K
Vanguard Total Stock Mkt Idx Inv	4.08M	3.17%	-32.65K
Vanguard Capital Opportunity Inv	3.43M	2.67%	-7.50K
Vanguard Small Cap Index	2.95M	2.29%	-26.59K
Impax Water Strategy Composite	1.92M	1.50%	570.58K
Vanguard Small Cap Value Index Inv	1.87M	1.46%	-45.42K
Vanguard Morn Small Cap Value Index	1.87M	1.46%	-45.42K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 16, 2026	Poloni Lara	PRESIDENT	Buy	$298.34K
May 14, 2026	Kapoor Gaurav	CHIEF FINANCIAL OFFICER (PAO)	Buy	$100.99K
May 14, 2026	Rudd Troy	CHIEF EXECUTIVE OFFICER	Buy	$300.06K
Dec 15, 2025	Gan David Y.	CHIEF LEGAL OFFICER	Sell	$593.10K
Dec 17, 2025	Gan David Y.	CHIEF LEGAL OFFICER	Sell	$921.79K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	3	-
2026 Q1	-	-
2025 Q4	-	4
2025 Q3	-	2
2025 Q1	-	-

ACM Ownership FAQ

Who owns the most shares of Aecom?

Aecom’s largest shareholders are Blackrock (17.32M shares, 12.74%), Blackrock funding, inc. /de (14.38M shares, 11.17%), and Vanguard group (12.29M shares, 9.29%). Together, they hold 33.19% of Aecom’s total shares outstanding.

Does Blackrock own Aecom?

Yes, BlackRock owns 12.74% of Aecom, totaling 17.32M shares as of Jun 2024. This represents 0.03% of BlackRock's total assets, with a market value of 1.53B$. In the last quarter, BlackRock decreased its holdings by -381K shares, a -2.15% change.

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

Forsta ap-fonden is Aecom’s biggest shareholder by percentage of total assets invested, with 100.00% of its assets in 1 Aecom shares, valued at 1K$.

Who is the top mutual fund holder of Aecom shares?

UBS: Global Equity is the top mutual fund holder of Aecom shares, with 3.78% of its total shares outstanding invested in 4.86M Aecom shares.

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