Security record · archived quarter
MBB
iShares MBS ETF · Financial Services · Asset Management - Bonds
10Tracked holders
+1Δ holders
139.84MShares held
$13.31BReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +11.1% ·
share flow +0.8% ·
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
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 82 | 0 | 263.69M | $24.94B | +3 | −3 |
| Q1 2026 | 83 | 0 | 262.21M | $24.89B | +7 | −7 |
| Q4 2025 | 82 | +1 | 240.46M | $22.89B | +1 | — |
| Q3 2025 | 10 | +1 | 139.84M | $13.31B | +1 | — |
| Q2 2025 | 6 | -1 | 25.46M | $2.39B | — | −1 |
| Q1 2025 | 5 | -2 | 22.52M | $2.11B | — | −2 |
| Q4 2024 | 7 | +1 | 21.62M | $1.98B | +1 | — |
| Q3 2024 | 6 | +2 | 19.96M | $1.91B | +3 | −1 |
| Q2 2024 | 4 | — | 18.47M | $1.70B | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 2 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 3 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 4 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 5 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 6 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 7 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 8 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 9 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 10 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 11 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 12 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 13 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 14 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 15 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 16 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 17 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 18 | JPMorgan Chase ✦ | 103.36M | — | $9.83B | 0.3% | n/c | 1 | SEC ↗ |
| 19 | Fisher Asset Management ✦ | 22.50M | +5.7% | $2.14B | 0.8% | ▲ Add | 6 | SEC ↗ |
| 20 | Morgan Stanley ✦ | 9.47M | — | $900.95M | 0.1% | n/c | 1 | SEC ↗ |
| 21 | Morgan Stanley ✦ | 9.47M | — | $900.95M | 0.1% | n/c | 1 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 9.47M | — | $900.95M | 0.1% | n/c | 1 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 9.47M | — | $900.95M | 0.1% | n/c | 1 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 9.47M | — | $900.95M | 0.1% | n/c | 1 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | BlackRock ✦ (passive) | 2.38M | +2.7% | $226.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Bridgewater Associates ✦ | 1.36M | -7.2% | $128.94M | 0.5% | ▼ Trim | 6 | SEC ↗ |
| 35 | Goldman Sachs Group ✦ | 401.07K | — | $38.16M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Goldman Sachs Group ✦ | 401.07K | — | $38.16M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Goldman Sachs Group ✦ | 401.07K | — | $38.16M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Goldman Sachs Group ✦ | 401.07K | — | $38.16M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 354.12K | -3.5% | $33.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Gotham Asset Management ✦ | 12.07K | 0.0% | $1.15M | 0.0% | Held | 4 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 9.12K | +27.1% | $867,768 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 42 | Millennium Management ✦ | 4.23K | New | $402,389 | 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
| Millennium Management | $402,389 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,012 holders, 329.07M shares, $30.56B 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: Q3 2025 ·
Methodology ·
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