AECOM

ACM • NYSE

AECOM is a engineering & construction company in the industrials sector on NYSE, led by Michael S. Burke, with a market cap of $13.0B. As of Q3 2025, 87% of shares are held by 624 institutional investors, with BlackRock, Inc. as the largest holder at 11.09%.

Chief Executive OfficerMichael S. Burke

Market Cap$13.0B

Engineering & Construction

Industrials

Employees52.0K

Websiteaecom.com

Country

United States of America

Overview

Overview of institutional ownership in ACM as of Q3 2025 with a market cap of $17.3B

All Institutions

Institutions: 624
Value Held: $15.0B
Shares Held: 114.9M
Avg Position: $24.0M
Median Position: $826.3K

Hedge Funds

Hedge Funds: 46
Value Held: $474.3M
Shares Held: 3.6M
Avg Position: $10.3M
Median Position: $2.1M

Ownership Breakdown

Institutional (non-HF)

84.02%

$14.5B

Hedge Funds

2.74%

$474.3M

Retail & Other

13.23%

$2.3B

Based on market cap of $17.3B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in ACM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$1.9B 0.03% of portfolio	11.09% 14.7M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$1.6B 0.02% of portfolio	9.45% 12.5M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
PRIMECAP MANAGEMENT CO/CA/ Long Only Manager	Theofanis A Kolokotrones Chairman	$1.2B 0.90% of portfolio	6.70% 8.9M shares	≤ Q2 2013 Held for 12y 5m+	$128.84B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$666.4M 0.02% of portfolio	3.86% 5.1M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
Invesco Ltd. ETF Provider	Brian Christopher Hartigan CEO	$649.7M 0.10% of portfolio	3.76% 5.0M shares	≤ Q2 2013 Held for 12y 5m+	$633.08B
FIRST TRUST ADVISORS LP ETF Provider	James Allen Bowen CEO	$550.1M 0.41% of portfolio	3.18% 4.2M shares	≤ Q2 2013 Held for 12y 5m+	$134.11B
Pictet Asset Management Holding SA Long Only Manager	Elizabeth Retta Dillon CEO	$492.1M 0.47% of portfolio	2.85% 3.8M shares	Q3 2023 Held for 2y 2m	$103.68B
ALLIANCEBERNSTEIN L.P. Long Only Manager	Seth Perry Bernstein CEO	$340.2M 0.11% of portfolio	1.97% 2.6M shares	≤ Q2 2013 Held for 12y 5m+	$317.45B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$314.6M 0.02% of portfolio	1.83% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	James Poucher CEO	$308.7M 0.07% of portfolio	1.79% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$460.61B

Net Capital Flow

Institutional buying and selling activity for ACM in Q3 2025

Traded: +$11.1M
Buyers: 305
Sellers: 280
Total Bought: +$1.0B
Total Sold: −$1.0B
Avg Position: $21.7M

Biggest Buyers

Institution	Net Bought	Current Position
FIRST TRUST ADVISORS LP ETF Provider	+$282.1M +2.2M shares	$550.1M 4.2M shares
UBS Group AG Institution	+$87.7M +672.3K shares	$210.7M 1.6M shares
Invesco Ltd. ETF Provider	+$80.7M +618.2K shares	$649.7M 5.0M shares
PANAGORA ASSET MANAGEMENT INC Hedge Fund•Quant	+$65.9M +505.4K shares	$134.0M 1.0M shares
D DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Institution	+$56.9M +435.9K shares	$63.6M 487.2K shares
HENNESSY ADVISORS INC Institution	+$43.5M +333.2K shares	$43.5M 333.2K shares
BARCLAYS PLC Institution	+$32.6M +250.0K shares	$64.0M 490.8K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$24.4M +187.3K shares	$58.7M 450.0K shares
LORD, ABBETT & CO. LLC Long Only Manager	+$20.6M +157.6K shares	$113.5M 870.3K shares
Pictet Asset Management Holding SA Long Only Manager	+$17.5M +134.1K shares	$492.1M 3.8M shares

Biggest Sellers

Institution	Net Sold	Current Position
A Amundi Institution	−$105.0M −806.9K shares	$135.2M 1.0M shares
PRIMECAP MANAGEMENT CO/CA/ Long Only Manager	−$89.4M −684.9K shares	$1.2B 8.9M shares
B BlackRock, Inc. Institution	−$77.4M −593.5K shares	$1.9B 14.7M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$40.0M −306.9K shares	$4.4M 33.5K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$36.6M −280.2K shares	$308.7M 2.4M shares
M MANUFACTURERES LIFE INSURANCE CO Institution	−$33.2M −254.2K shares	$113.4M 869.1K shares
A AXA Institution	−$32.0M −283.2K shares	Sold Off 0 shares
GOLDMAN SACHS GROUP INC Institution	−$28.7M −219.7K shares	$151.4M 1.2M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$25.9M −199.1K shares	$22.4M 172.2K shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	−$24.6M −188.7K shares	$340.2M 2.6M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ACM in Q3 2025

New Positions: 50
New Value: $26.0M
Exited Positions: 66
Exited Value: $142.1M

New Positions

Institution	Position Value
Horizon Investments, LLC/SC Long Only Manager	$3.8M 28.8K shares
LEUTHOLD WEEDEN CAPITAL MANAGEMENT Long Only Manager	$3.4M 26.3K shares
I Ilmarinen Mutual Pension Insurance Co Institution	$2.7M 21.0K shares
L Livforsakringsaktiebolaget Skandia Institution	$2.7M 21.0K shares
CWA Asset Management Group, LLC RIA/Wealth	$2.2M 17.2K shares
Ninepoint Partners LP Hedge Fund•Multi-Strategy	$1.5M 11.4K shares
NorthRock Partners, LLC RIA/Wealth	$1.5M 11.4K shares
G Generali Asset Management SPA SGR Institution	$1.1M 8.4K shares
Saturna Capital CORP Long Only Manager	$735.2K 5.6K shares
Aster Capital Management Ltd RIA/Wealth	$653.5K 5.0K shares

Exited Positions

Institution	Previous Position
A AXA Institution	$32.0M 283.2K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$17.5M 155.4K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	$14.3M 126.8K shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	$9.4M 83.6K shares
Aquatic Capital Management LLC Hedge Fund•Quant	$6.5M 57.4K shares
C Cubist Systematic Strategies, LLC Institution	$6.4M 56.5K shares
Brandywine Global Investment Management, LLC Long Only Manager	$5.5M 48.7K shares
LEUCADIA NATIONAL CORP Institution	$5.3M 47.3K shares
Quantbot Technologies LLC Hedge Fund•Quant	$4.5M 39.6K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$4.1M 36.2K shares

Options Activity

Institutions with the largest Call and Put options positions in ACM as of Q3 2025

Call Positions: 8
Call Value: $23.1M
Put Positions: 7
Put Value: $6.3M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$11.2M 861.0 contracts
J JANE STREET GROUP, LLC Institution	$6.3M 481.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$4.1M 311.0 contracts
W WOLVERINE TRADING, LLC Institution	$1.1M 86.0 contracts
Walleye Trading LLC RIA/Wealth	$378.4K 29.0 contracts
UBS Group AG Institution	$13.0K 1.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	- - contracts
P PEAK6 LLC Institution	- - contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$3.8M 293.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$939.4K 72.0 contracts
J JANE STREET GROUP, LLC Institution	$913.3K 70.0 contracts
Walleye Trading LLC RIA/Wealth	$326.2K 25.0 contracts
W WOLVERINE TRADING, LLC Institution	$285.7K 22.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	- - contracts
P PEAK6 LLC Institution	- - contracts

Most Committed Institutions

Institutions with ACM as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Sandhill Capital Partners LLC RIA/Wealth	Edwin Mcclellan Johnston Founder	4.43% $63.5M	0.37% 486.8K shares	Q4 2024 Held for 11 months	$1.4B
STEINBERG ASSET MANAGEMENT LLC Long Only Manager	Michael Alan Steinberg Managing Partner	2.73% $3.8M	0.02% 29.1K shares	Q3 2014 Held for 11y 2m	$139.2M
S S&T BANK/PA Institution	-	2.71% $8.9M	0.05% 68.5K shares	Q4 2014 Held for 10y 11m	$330.2M
Stanley Capital Management, LLC Hedge Fund•Long/Short	Bret Wilson Stanley CCO	2.50% $15.2M	0.09% 116.4K shares	Q1 2020 Held for 5y 8m	$607.7M
NIA IMPACT ADVISORS, LLC Long Only Manager	Kristin Blair Hull CEO	2.07% $6.4M	0.04% 48.9K shares	Q1 2024 Held for 1y 8m	$307.7M
Rithm Capital Corp. Hedge Fund•Multi-Strategy	Michael B Nierenberg CEO	2.01% $652.4K	0.00% 5.0K shares	Q4 2024 Held for 11 months	$32.5M
Lombard Odier Asset Management Ltd Private Equity	Jr. Thomas Smith President	1.96% $30.7M	0.18% 235.3K shares	Q1 2022 Held for 3y 8m	$1.6B
B Benson Investment Management Company, Inc. RIA/Wealth	Nancy M Westbrock CEO	1.78% $5.2M	0.03% 39.8K shares	Q2 2024 Held for 1y 5m	$291.6M
B BRANT POINT INVESTMENT MANAGEMENT LLC Hedge Fund•Long/Short	John J Buoncore President	1.68% $7.6M	0.04% 58.1K shares	Q2 2020 Held for 5y 5m	$450.4M
PAYDEN & RYGEL Long Only Manager	Joan Ann Payden CEO	1.64% $19.4M	0.11% 148.4K shares	Q2 2023 Held for 2y 5m	$1.2B

Hedge Fund Spotlight

Discover hedge funds investing in ACM

RENAISSANCE TECHNOLOGIES LLC

Hedge Fund • Quant

Portfolio ManagerPeter Fitzhugh Brown

Portfolio Value: $75.8B
Positions: 3,419
Last Reported: Q3 2025

Sector Allocation

Position in AECOM

Market Value: $58.7M
Shares Held: 450.0K
Portfolio Weight: 0.08%
Owned Since: 2022-Q4

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