614 hedge funds and large institutions have $9.61B invested in Aecom in 2026 Q1 according to their latest regulatory filings, with 104 funds opening new positions, 227 increasing their positions, 201 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

12% less first-time investments, than exits

New positions opened: 104 | Existing positions closed: 118

13% less capital invested

Capital invested by funds: $11B → $9.61B (-$1.39B)

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
614
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.5M
Puts
$13.8M
Net Calls
Net Calls Change

Top Buyers

1 +$87.3M
2 +$84.4M
3 +$83.7M
4
UBS AM
UBS AM
Illinois
+$67.1M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$66.7M
Name Holding Trade Value Shares
Change
Change in
Stake
RS
51
Robeco Schweiz
Switzerland
$31.5M
Russell Investments Group
52
Russell Investments Group
United Kingdom
$30.8M
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$29.8M
PAM
54
Panagora Asset Management
Massachusetts
$29.2M
Verition Fund Management
55
Verition Fund Management
Connecticut
$28.8M
Retirement Systems of Alabama
56
Retirement Systems of Alabama
Alabama
$28.8M
Fidelity International
57
Fidelity International
Bermuda
$26.9M
Prudential Financial
58
Prudential Financial
New Jersey
$26.5M
CI Investments Inc
59
CI Investments Inc
Ontario, Canada
$26.4M
FLPIM
60
F.L. Putnam Investment Management
Massachusetts
$25.6M
SG Americas Securities
61
SG Americas Securities
New York
$25.1M
Principal Financial Group
62
Principal Financial Group
Iowa
$24.5M
VF
63
Vest Financial
Virginia
$24.4M
HAI
64
Hennessy Advisors Inc
California
$24.2M
VIM
65
Vinva Investment Management
Australia
$23.6M
Sumitomo Mitsui Trust Group
66
Sumitomo Mitsui Trust Group
Japan
$23.2M
Balyasny Asset Management
67
Balyasny Asset Management
Illinois
$22.7M
IIM
68
INTECH Investment Management
Florida
$22M
California Public Employees Retirement System
69
California Public Employees Retirement System
California
$21.7M
Robeco Institutional Asset Management
70
Robeco Institutional Asset Management
Netherlands
$21.6M
Franklin Resources
71
Franklin Resources
California
$20.8M
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$20.4M
QCM
73
Quantinno Capital Management
New York
$20.4M
Arrowstreet Capital
74
Arrowstreet Capital
Massachusetts
$20.2M
Tudor Investment Corp
75
Tudor Investment Corp
Connecticut
$19.7M