Security record · archived quarter
ACM
Aecom · Industrials · Engineering & Construction
14Tracked holders
—Δ holders
20.04MShares held
$1.77BReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 144 | -6 | 91.38M | $6.39B | +7 | −12 |
| Q1 2026 | 152 | -1 | 88.46M | $7.51B | +8 | −10 |
| Q4 2025 | 153 | +1 | 97.15M | $9.26B | +2 | — |
| Q3 2025 | 21 | 0 | 50.79M | $6.63B | +2 | −3 |
| Q2 2025 | 19 | 0 | 50.24M | $5.67B | — | — |
| Q1 2025 | 16 | +2 | 21.16M | $1.96B | +2 | — |
| Q4 2024 | 14 | 0 | 22.63M | $2.42B | +1 | −1 |
| Q3 2024 | 13 | -1 | 19.01M | $1.96B | +1 | −2 |
| Q2 2024 | 14 | — | 20.04M | $1.77B | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management ✦ | 13.02M | — | $1.15B | 0.8% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 2.26M | — | $198.49M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 2.26M | — | $198.49M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 1.81M | — | $159.33M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 871.74K | — | $76.83M | 0.1% | n/c | 1 | SEC ↗ |
| 6 | Starboard Value ✦ | 625.44K | — | $55.13M | 1.3% | n/c | 1 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 495.82K | — | $43.70M | 0.1% | n/c | 1 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 362.82K | — | $31.98M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 362.82K | — | $31.98M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 362.82K | — | $31.98M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 362.82K | — | $31.98M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Renaissance Technologies ✦ | 327.08K | — | $28.83M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 109.69K | — | $9.67M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 109.69K | — | $9.67M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | T. Rowe Price ✦ | 92.71K | — | $8.17M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 92.71K | — | $8.17M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Bridgewater Associates ✦ | 22.60K | — | $1.99M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Citadel Advisors ✦ | 20.49K | — | $1.81M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Gotham Asset Management ✦ | 11.87K | — | $1.05M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Wellington Management ✦ | 11.45K | — | $1.01M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Wellington Management ✦ | 11.45K | — | $1.01M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 614 holders, 112.58M shares, $9.24B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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