IBB
iShares Biotechnology ETF · Financial Services · Asset Management
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -1.0% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 82 | -2 | 30.94M | $5.88B | +5 | −8 |
| Q1 2026 | 86 | -2 | 32.07M | $5.40B | +4 | −6 |
| Q4 2025 | 87 | +2 | 31.81M | $5.28B | +2 | n/a |
| Q3 2025 | 12 | 0 | 8.03M | $1.16B | +2 | −2 |
| Q2 2025 | 9 | 0 | 315.48K | $39.91M | +2 | −2 |
| Q1 2025 | 7 | +1 | 400.58K | $51.23M | +2 | −1 |
| Q4 2024 | 6 | +1 | 526.12K | $69.56M | +2 | −1 |
| Q3 2024 | 5 | -2 | 433.42K | $63.11M | n/a | −2 |
| Q2 2024 | 7 | n/a | 747.92K | $102.66M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Morgan Stanley ✦ | 3.13M | n/a | $451.47M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 2 | Goldman Sachs Group ✦ | 2.55M | n/a | $367.84M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 3 | JPMorgan Chase ✦ | 2.12M | n/a | $306.08M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 4 | Millennium Management ✦ | 66.61K | -38.5% | $9.62M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 5 | Two Sigma Investments ✦ | 65.71K | New | $9.49M | 0.0% | New | 1 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 47.77K | -69.8% | $6.90M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 27.48K | New | $3.97M | 0.0% | New | 1 | SEC ↗ |
| 8 | Fidelity (FMR) ✦ | 13.13K | +3.5% | $1.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 5.16K | -3.8% | $745,238 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.54K | +53.5% | $510,925 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Fisher Asset Management ✦ | 2.20K | -3.0% | $317,614 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 2.00K | -44.7% | $289,000 | 0.0% | ▼ Trim | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $9.49M | 0.0% |
| Renaissance Technologies | $3.97M | 0.0% |
Exited
| Wellington Management | $2.70M | was 0.0% |
| Marshall Wace | $145,107 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 912 holders, 39.27M shares, $6.31B 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.