Aecom
ACM
572 hedge funds and large institutions have $8.37B invested in Aecom in 2026 Q2 according to their latest regulatory filings, with 83 funds opening new positions, 185 increasing their positions, 236 reducing their positions, and 127 closing their positions.
5.23% more ownership
Funds ownership: 87.78% → 93% (+5.2%)
8% less funds holding
Funds holding: 623 → 572 (-51)
13% less capital invested
Capital invested by funds: $9.63B → $8.37B (-$1.26B)
22% less repeat investments, than reductions
Existing positions increased: 185 | Existing positions reduced: 236
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: 83 | Existing positions closed: 127
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Barrow, Hanley, Mewhinney & Strauss
Dallas,
Texas
|
+$202M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$142M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$128M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$126M |
| 5 |
CBU
CIBC Bancorp USA
Chicago,
Illinois
|
+$70.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Pictet Asset Management
Carouge,
Switzerland
|
-$151M |
| 2 |
BlackRock
New York
|
-$106M |
| 3 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$85.2M |
| 4 |
State Street
Boston,
Massachusetts
|
-$71.6M |
| 5 |
Northern Trust
Chicago,
Illinois
|
-$64.2M |
ACM Hedge Fund Activity: Q2 2026 in Review
572 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Aecom (ACM) for Q2 2026, worth a combined $8.37B — down 13% from $9.63B a quarter earlier.
Sellers outnumbered buyers: 127 funds closed out of ACM and 83 opened new positions — a net loss of 44 holders — while 236 trimmed existing stakes and 185 added.
The largest buyer was Barrow, Hanley, Mewhinney & Strauss, adding an estimated $202M. The largest seller was Pictet Asset Management, cutting an estimated $151M.
- 572 institutional investors held Aecom (ACM) as of Q2 2026, down from 623 in Q1 2026.
- Funds reported $8.37B of Aecom stock for Q2 2026, down 13% quarter-over-quarter.
- 83 funds opened new Aecom positions in Q2 2026 and 127 closed out, a net change of -44 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.