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568 hedge funds and large institutions have $8.35B invested in Aecom in 2026 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 184 increasing their positions, 235 reducing their positions, and 127 closing their positions.

New
Increased
Maintained
Reduced
Closed

5.1% more ownership

Funds ownership: 87.78%92.88% (+5.1%)

9% less funds holding

Funds holding: 622568 (-54)

13% less capital invested

Capital invested by funds: $9.63B → $8.35B (-$1.27B)

22% less repeat investments, than reductions

Existing positions increased: 184 | Existing positions reduced: 235

34% less call options, than puts

Call options by funds: $19.9M | Put options by funds: $30.1M

35% less first-time investments, than exits

New positions opened: 82 | Existing positions closed: 127

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
568
Holders Change
-54
Holders Change %
-8.68%
% of All Funds
6.86%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
82
Increased
184
Reduced
235
Closed
127
Calls
$19.9M
Puts
$30.1M
Net Calls
-$10.2M
Net Calls Change
-$8.89M
Name Holding Trade Value Shares
Change
Change in
Stake
SCP
51
Sandhill Capital Partners
New York
$28.9M -$13.1M -170,789 -29%
HF
52
HRT Financial
New York
$28.8M +$29.4M +383,523 +1,308%
Allianz Asset Management
53
Allianz Asset Management
Germany
$28.6M -$5.97M -78,044 -19%
LBA
54
Letko, Brosseau & Associates
Quebec, Canada
$27.2M +$29.9M +390,075 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
55
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$25.3M +$26.7M +349,300 +2,550%
WorldQuant Millennium Advisors
56
WorldQuant Millennium Advisors
New York
$24.6M +$13.3M +173,136 +96%
Verition Fund Management
57
Verition Fund Management
Connecticut
$24.4M +$760K +9,933 +3%
Ameriprise
58
Ameriprise
Minnesota
$24.2M -$29.5M -385,527 -53%
RS
59
Robeco Schweiz
Switzerland
$24.1M -$2.01M -26,299 -7%
Deutsche Bank
60
Deutsche Bank
Germany
$23.6M -$26.7M -348,240 -51%
Bank of Nova Scotia
61
Bank of Nova Scotia
Ontario, Canada
$22.7M +$12.7M +166,428 +105%
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$22.7M -$1.99M -25,984 -7%
Retirement Systems of Alabama
63
Retirement Systems of Alabama
Alabama
$21.9M -$1.96M -25,571 -8%
Voloridge Investment Management
64
Voloridge Investment Management
Florida
$21.4M -$19.8M -258,262 -46%
Robeco Institutional Asset Management
65
Robeco Institutional Asset Management
Netherlands
$21.2M +$3.68M +48,077 +19%
Fidelity International
66
Fidelity International
Bermuda
$21.1M -$1.19M -15,585 -5%
Principal Financial Group
67
Principal Financial Group
Iowa
$20.4M +$254K +3,317 +1%
FLPIM
68
F.L. Putnam Investment Management
Massachusetts
$20M -$1.14M -14,928 -5%
HAI
69
Hennessy Advisors Inc
California
$19.9M
IG
70
ING Group
Netherlands
$19.2M +$21.1M +275,200 New
JAM
71
Jupiter Asset Management
United Kingdom
$18.6M +$19.8M +258,616 +3,074%
California Public Employees Retirement System
72
California Public Employees Retirement System
California
$18.5M +$711K +9,296 +4%
Swiss National Bank
73
Swiss National Bank
Switzerland
$18.1M -$9.73M -127,200 -33%
TI
74
Trexquant Investment
Connecticut
$16.7M +$13.4M +175,023 +272%
KBC Group
75
KBC Group
Belgium
$15.4M +$7.58M +99,000 +81%

ACM Hedge Fund Activity: Q2 2026 in Review

568 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Aecom (ACM) for Q2 2026, worth a combined $8.35B — down 13% from $9.63B a quarter earlier.

Sellers outnumbered buyers: 127 funds closed out of ACM and 82 opened new positions — a net loss of 45 holders — while 235 trimmed existing stakes and 184 added.

The largest buyer was Barrow, Hanley, Mewhinney & Strauss, adding an estimated $202M. The largest seller was Pictet Asset Management, cutting an estimated $151M.

  • 568 institutional investors held Aecom (ACM) as of Q2 2026, down from 622 in Q1 2026.
  • Funds reported $8.35B of Aecom stock for Q2 2026, down 13% quarter-over-quarter.
  • 82 funds opened new Aecom positions in Q2 2026 and 127 closed out, a net change of -45 holders.
  • The largest Aecom buyer in Q2 2026 was Barrow, Hanley, Mewhinney & Strauss, an estimated $202M added.
  • The largest Aecom seller in Q2 2026 was Pictet Asset Management, an estimated $151M sold.

Based on aggregated 13F filings for Q2 2026.