IWB
iShares Russell 1000 ETF · Financial Services · Asset Management - Global
Momentum inputs (comparable managers):
holder breadth +18.2% ·
share flow -2.1% ·
net new positions +15.4%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 97 | +4 | 61.49M | $25.09B | +7 | −3 |
| Q1 2026 | 94 | 0 | 64.47M | $22.94B | +5 | −5 |
| Q4 2025 | 93 | +2 | 65.76M | $24.53B | +2 | — |
| Q3 2025 | 14 | -2 | 19.66M | $7.19B | — | −2 |
| Q2 2025 | 13 | +2 | 12.14M | $4.12B | +2 | — |
| Q1 2025 | 8 | -2 | 600.82K | $184.30M | — | −2 |
| Q4 2024 | 10 | +3 | 3.05M | $982.02M | +3 | — |
| Q3 2024 | 6 | -3 | 201.64K | $63.40M | — | −3 |
| Q2 2024 | 9 | — | 715.30K | $212.83M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 10.13M | — | $3.44B | 0.2% | n/c | 1 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 10.13M | — | $3.44B | 0.2% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 1.66M | — | $562.74M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 1.66M | — | $562.74M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 1.66M | — | $562.74M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 1.66M | — | $562.74M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 1.66M | — | $562.74M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 1.66M | — | $562.74M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 137.50K | -57.2% | $46.69M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 93.90K | -22.7% | $31.89M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 93.90K | -22.7% | $31.89M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 57.33K | New | $19.47M | 0.0% | New | 1 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 14.14K | -17.6% | $4.80M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | Renaissance Technologies ✦ | 10.70K | New | $3.63M | 0.0% | New | 1 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 9.73K | — | $3.31M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 9.73K | — | $3.31M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Gotham Asset Management ✦ | 7.62K | 0.0% | $2.59M | 0.0% | Held | 3 | SEC ↗ |
| 18 | Millennium Management ✦ | 6.96K | -94.5% | $2.36M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Fisher Asset Management ✦ | 5.79K | +20.1% | $1.97M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 700 | 0.0% | $237,699 | 0.0% | Held | 3 | SEC ↗ |
| 21 | ARK Investment Management ✦ | 0 | -100.0% | $98 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $19.47M | 0.0% |
| Renaissance Technologies | $3.63M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,458 holders, 96.26M shares, $34.01B 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.