AAMI
Acadian Asset Management · Financial Services · Asset Management
Momentum inputs (comparable managers):
holder breadth +9.1% ·
share flow -12.4% ·
net new positions +8.3%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 6.19K | $577,620 | n/a | −1 |
| Q2 2026 | 99 | +4 | 20.19M | $1.44B | +9 | −5 |
| Q1 2026 | 98 | +1 | 19.42M | $1.06B | +8 | −8 |
| Q4 2025 | 98 | +1 | 20.49M | $963.22M | +2 | n/a |
| Q3 2025 | 17 | -1 | 11.90M | $572.91M | n/a | −1 |
| Q2 2025 | 15 | 0 | 11.11M | $391.44M | n/a | n/a |
| Q1 2025 | 12 | +1 | 3.43M | $88.62M | +1 | n/a |
| Q4 2024 | 11 | -2 | 3.52M | $92.66M | n/a | −2 |
| Q3 2024 | 12 | +1 | 2.42M | $61.57M | +2 | −1 |
| Q2 2024 | 11 | n/a | 2.77M | $61.33M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 610.46K | -1.3% | $15.51M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 2 | Arrowstreet Capital ✦ | 549.32K | +32.6% | $13.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Soros Fund Management ✦ | 346.29K | 0.0% | $8.80M | 0.2% | Held | 2 | SEC ↗ |
| 4 | Two Sigma Investments ✦ | 234.60K | -8.9% | $5.96M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 184.51K | -22.3% | $4.69M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 6 | Millennium Management ✦ | 174.93K | -26.1% | $4.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 131.14K | -30.5% | $3.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 97.04K | -6.4% | $2.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 9 | Renaissance Technologies ✦ | 56.73K | -63.2% | $1.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Norges Bank ✦ (passive) | 26.20K | -79.1% | $665,505 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 9.08K | New | $231,000 | 0.0% | New | 1 | SEC ↗ |
| 12 | Point72 Asset Management ✦ | 3.50K | New | $88,900 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| T. Rowe Price | $231,000 | 0.0% |
| Point72 Asset Management | $88,900 | 0.0% |
Exited
| Marshall Wace | $1.87M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 254 holders, 35.85M shares, $1.88B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.