AGG
iShares Core U.S. Aggregate Bond ETF · Financial Services · Asset Management
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +30.0% ·
net new positions +20.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 14.11M | $1.33B | n/a | −1 |
| Q2 2026 | 99 | +1 | 859.51M | $85.09B | +4 | −4 |
| Q1 2026 | 101 | 0 | 859.79M | $85.24B | +4 | −4 |
| Q4 2025 | 100 | -1 | 827.21M | $82.62B | +1 | −2 |
| Q3 2025 | 11 | -1 | 136.22M | $13.66B | +1 | −2 |
| Q2 2025 | 9 | +1 | 63.65M | $6.31B | +1 | n/a |
| Q1 2025 | 6 | -2 | 3.44M | $339.99M | n/a | −2 |
| Q4 2024 | 8 | +2 | 2.11M | $204.74M | +2 | n/a |
| Q3 2024 | 6 | +3 | 1.62M | $163.91M | +3 | n/a |
| Q2 2024 | 3 | n/a | 1.20M | $116.92M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fisher Asset Management ✦ | 1.02M | +13.1% | $98.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 548.73K | +11284.4% | $53.17M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 3 | Citadel Advisors ✦ | 176.88K | -73.5% | $17.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 174.10K | New | $16.87M | 0.0% | New | 1 | SEC ↗ |
| 5 | Marshall Wace ✦ | 92.00K | New | $8.91M | 0.0% | New | 1 | SEC ↗ ×2 |
| 6 | Millennium Management ✦ | 63.69K | +391.3% | $6.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Gotham Asset Management ✦ | 32.20K | +15.2% | $3.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 5.74K | +14.9% | $556,524 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $16.87M | 0.0% |
| Marshall Wace | $8.91M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2,049 holders, 1.20B shares, $112.95B 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.