IUSB
iShares Core Universal USD Bond ETF · Financial Services · Asset Management - Bonds
Momentum inputs (comparable managers):
holder breadth +11.1% ·
share flow +1.2% ·
net new positions +10.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 62 | +3 | 670.24M | $30.95B | +5 | −2 |
| Q1 2026 | 60 | +4 | 569.85M | $26.29B | +6 | −2 |
| Q4 2025 | 56 | -2 | 539.52M | $25.11B | — | −2 |
| Q3 2025 | 10 | +1 | 127.62M | $5.96B | +1 | — |
| Q2 2025 | 6 | -1 | 63.82M | $2.95B | — | −1 |
| Q1 2025 | 5 | +3 | 530.37K | $24.44M | +3 | — |
| Q4 2024 | 2 | 0 | 67.97K | $3.07M | — | — |
| Q3 2024 | 2 | -1 | 57.74K | $2.72M | — | −1 |
| Q2 2024 | 3 | — | 79.78K | $3.61M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 62.39M | +0.4% | $2.91B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 62.39M | +0.4% | $2.91B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 62.39M | +0.4% | $2.91B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 62.39M | +0.4% | $2.91B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 5 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 6 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 7 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 8 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 9 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 10 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 11 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 12 | JPMorgan Chase ✦ | 39.39M | — | $1.84B | 0.1% | n/c | 1 | SEC ↗ |
| 13 | Morgan Stanley ✦ | 22.77M | — | $1.06B | 0.1% | n/c | 1 | SEC ↗ |
| 14 | Morgan Stanley ✦ | 22.77M | — | $1.06B | 0.1% | n/c | 1 | SEC ↗ |
| 15 | Fidelity (FMR) ✦ | 1.39M | -5.6% | $65.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 1.28M | New | $59.88M | 0.0% | New | 1 | SEC ↗ |
| 17 | Renaissance Technologies ✦ | 211.80K | +31.6% | $9.89M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Goldman Sachs Group ✦ | 105.80K | — | $4.94M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 105.80K | — | $4.94M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 48.89K | +19.0% | $2.28M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 21 | Gotham Asset Management ✦ | 12.89K | 0.0% | $601,998 | 0.0% | Held | 3 | SEC ↗ |
| 22 | Fisher Asset Management ✦ | 10.08K | +98.0% | $470,693 | 0.0% | ▲ Add | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $59.88M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 834 holders, 747.08M shares, $33.30B 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.