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639 hedge funds and large institutions have $15.1B invested in Aecom in 2025 Q3 according to their latest regulatory filings, with 88 funds opening new positions, 215 increasing their positions, 226 reducing their positions, and 72 closing their positions.

New
Increased
Maintained
Reduced
Closed

296% more call options, than puts

Call options by funds: $29.2M | Put options by funds: $7.36M

22% more first-time investments, than exits

New positions opened: 88 | Existing positions closed: 72

14% more capital invested

Capital invested by funds: $13.3B → $15.1B (+$1.84B)

1% more funds holding

Funds holding: 632639 (+7)

5% less repeat investments, than reductions

Existing positions increased: 215 | Existing positions reduced: 226

1.88% less ownership

Funds ownership: 89.33%87.45% (-1.9%)

20% less funds holding in top 10

Funds holding in top 10: 54 (-1)

Holders
639
Holders Change
+7
Holders Change %
+1.11%
% of All Funds
8.39%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
88
Increased
215
Reduced
226
Closed
72
Calls
$29.2M
Puts
$7.36M
Net Calls
+$21.8M
Net Calls Change
+$2.63M
Name Holding Trade Value Shares
Change
Change in
Stake
HAI
51
Hennessy Advisors Inc
California
$43.5M +$40.2M +333,200 New
Retirement Systems of Alabama
52
Retirement Systems of Alabama
Alabama
$40.7M -$189K -1,567 -0.5%
FLPIM
53
F.L. Putnam Investment Management
Massachusetts
$39.8M +$288K +2,386 +0.8%
BNP Paribas Financial Markets
54
BNP Paribas Financial Markets
France
$39.8M -$11.6M -95,730 -24%
Principal Financial Group
55
Principal Financial Group
Iowa
$38.4M -$709K -5,871 -2%
AIM
56
AXA Investment Managers
France
$36.7M +$34M +281,305 New
Sumitomo Mitsui Trust Group
57
Sumitomo Mitsui Trust Group
Japan
$36.1M -$218K -1,802 -0.6%
California Public Employees Retirement System
58
California Public Employees Retirement System
California
$35.8M +$2.38M +19,714 +8%
Voloridge Investment Management
59
Voloridge Investment Management
Florida
$34.3M -$14M -115,529 -31%
New York State Common Retirement Fund
60
New York State Common Retirement Fund
New York
$32.9M +$259K +2,145 +0.9%
California State Teachers Retirement System (CalSTRS)
61
California State Teachers Retirement System (CalSTRS)
California
$32.1M -$871K -7,214 -3%
VF
62
Vest Financial
Virginia
$31.7M +$13.3M +110,008 +83%
Royal Bank of Canada
63
Royal Bank of Canada
Ontario, Canada
$31.1M -$6.63M -54,893 -19%
Two Sigma Advisers
64
Two Sigma Advisers
New York
$31M -$18.4M -152,400 -39%
LOAME
65
Lombard Odier Asset Management (Europe)
United Kingdom
$30.7M +$5.95M +49,268 +26%
Canada Life
66
Canada Life
Manitoba, Canada
$25.5M +$3.12M +25,868 +15%
Caisse de Depot et Placement du Quebec (CDPQ)
67
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$25.4M +$4.91M +40,700 +26%
KBC Group
68
KBC Group
Belgium
$24.6M -$4.23M -35,060 -16%
Teacher Retirement System of Texas
69
Teacher Retirement System of Texas
Texas
$24.4M +$1.04M +8,584 +5%
Macquarie Group
70
Macquarie Group
Australia
$23.8M -$635K -5,257 -3%
SLAM
71
Swiss Life Asset Management
$23.2M +$1.95M +16,112 +10%
T. Rowe Price Associates
72
T. Rowe Price Associates
Maryland
$22.9M +$3.19M +26,398 +18%
Verition Fund Management
73
Verition Fund Management
Connecticut
$22.6M -$8.88M -73,549 -30%
AQR Capital Management
74
AQR Capital Management
Connecticut
$22.4M -$24M -199,140 -54%
Two Sigma Investments
75
Two Sigma Investments
New York
$22M +$7.19M +59,552 +55%

ACM Hedge Fund Activity: Q3 2025 in Review

639 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Aecom (ACM) for Q3 2025, worth a combined $15.1B — up 14% from $13.3B a quarter earlier.

Buyers outnumbered sellers: 88 funds opened new ACM positions and 72 closed out — a net gain of 16 holders — while 215 added to existing stakes and 226 trimmed.

The largest buyer was First Trust Advisors, adding an estimated $261M. The largest seller was Amundi, cutting an estimated $97.4M.

  • 639 institutional investors held Aecom (ACM) as of Q3 2025, up from 632 in Q2 2025.
  • Funds reported $15.1B of Aecom stock for Q3 2025, up 14% quarter-over-quarter.
  • 88 funds opened new Aecom positions in Q3 2025 and 72 closed out, a net change of +16 holders.
  • The largest Aecom buyer in Q3 2025 was First Trust Advisors, an estimated $261M added.
  • The largest Aecom seller in Q3 2025 was Amundi, an estimated $97.4M sold.

Based on aggregated 13F filings for Q3 2025.