IWP
iShares Russell Mid-Cap Growth ETF · Financial Services · Asset Management - Global
Momentum inputs (comparable managers):
holder breadth -16.7% ·
share flow +30.0% ·
net new positions -20.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | +1 | 111.94K | $15.76M | +1 | −1 |
| Q2 2026 | 79 | +3 | 68.99M | $10.09B | +6 | −4 |
| Q1 2026 | 78 | -1 | 69.57M | $8.90B | +3 | −4 |
| Q4 2025 | 79 | +3 | 70.98M | $9.72B | +3 | n/a |
| Q3 2025 | 10 | -2 | 22.96M | $3.27B | +1 | −3 |
| Q2 2025 | 9 | +1 | 1.41M | $195.53M | +1 | n/a |
| Q1 2025 | 5 | -1 | 485.77K | $57.07M | +2 | −3 |
| Q4 2024 | 6 | 0 | 82.84K | $10.50M | +2 | −2 |
| Q3 2024 | 6 | 0 | 621.30K | $72.87M | +1 | −1 |
| Q2 2024 | 6 | n/a | 283.45K | $31.28M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 343.92K | New | $40.41M | 0.0% | New | 1 | SEC ↗ |
| 2 | Citadel Advisors ✦ | 80.58K | +671366.7% | $9.47M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 32.09K | -0.8% | $3.77M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 26.32K | New | $3.09M | 0.0% | New | 1 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 2.87K | +59.9% | $336,959 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Wellington Management | $40.41M | 0.0% |
| D. E. Shaw & Co. | $3.09M | 0.0% |
Exited
| Renaissance Technologies | $5.64M | was 0.0% |
| Millennium Management | $266,175 | was 0.0% |
| Fisher Asset Management | $264,337 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,162 holders, 111.33M shares, $14.01B 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.