RBLU
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +30.0% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Optiver Holding B.V. | 72.59K | +236.6% | $647,547 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 2 | Susquehanna International Group, Llp | 53.40K | New | $476,283 | 0.0% | New | 1 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 50.55K | +338.2% | $450,915 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Simplex Trading, Llc | 168 | +93.1% | $1,498 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Citigroup Inc | 2 | New | $18 | 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
| Susquehanna International… | $476,283 | 0.0% |
| Citigroup Inc | $18 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 5 holders, 33.36K shares, $394,660 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.