IJK
iShares S&P Mid-Cap 400 Growth ETF · Financial Services · Asset Management
Momentum inputs (comparable managers):
holder breadth +16.7% ·
share flow +0.1% ·
net new positions +14.3%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 54.23K | $6.01M | n/a | −1 |
| Q2 2026 | 70 | +2 | 46.33M | $5.44B | +5 | −4 |
| Q1 2026 | 70 | 0 | 46.93M | $4.72B | +5 | −5 |
| Q4 2025 | 70 | -1 | 46.22M | $4.48B | n/a | −1 |
| Q3 2025 | 10 | 0 | 15.17M | $1.45B | +1 | −1 |
| Q2 2025 | 7 | +1 | 4.17M | $379.42M | +1 | n/a |
| Q1 2025 | 3 | -1 | 23.03K | $1.92M | +1 | −2 |
| Q4 2024 | 4 | +1 | 30.00K | $2.73M | +1 | n/a |
| Q3 2024 | 3 | 0 | 58.35K | $5.36M | n/a | n/a |
| Q2 2024 | 3 | n/a | 31.62K | $2.79M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 4.12M | n/a | $374.89M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 2 | BlackRock ✦ (passive) | 11.51K | n/a | $1.05M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 3 | The Vanguard Group ✦ (passive) | 11.34K | n/a | $1.03M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 4 | AQR Capital Management ✦ | 10.65K | -3.9% | $968,722 | 0.0% | ▼ Trim | 5 | SEC ↗ ×3 |
| 5 | T. Rowe Price ✦ | 9.44K | +106.2% | $859,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 4.58K | -38.0% | $416,415 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 2.30K | New | $209,254 | 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
| Renaissance Technologies | $209,254 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 921 holders, 69.87M shares, $6.94B 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.