Security record · archived quarter
MBB
iShares MBS ETF · Financial Services · Asset Management - Bonds
4Tracked holders
—Δ holders
18.47MShares held
$1.70BReported 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 | 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 · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fisher Asset Management ✦ | 16.86M | — | $1.55B | 0.7% | n/c | 1 | SEC ↗ |
| 2 | Bridgewater Associates ✦ | 1.45M | — | $133.51M | 0.7% | n/c | 1 | SEC ↗ |
| 3 | Marshall Wace ✦ | 143.40K | — | $13.17M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Millennium Management ✦ | 6.85K | — | $629,174 | 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): 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: Q2 2024 ·
Methodology ·
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