ROBN
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +28.6% ·
share flow -19.0% ·
net new positions +20.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | UBS Group AG | 127.64K | +11.5% | $3.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Optiver Holding B.V. | 32.83K | +1077.6% | $990,213 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 3 | Susquehanna International Group, Llp | 27.80K | -80.7% | $838,538 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Hrt Financial Lp | 17.54K | New | $528,000 | 0.0% | New | 1 | SEC ↗ |
| 5 | IMC-Chicago, LLC | 16.56K | New | $499,480 | 0.0% | New | 1 | SEC ↗ |
| 6 | Simplex Trading, Llc | 5.90K | -18.4% | $177,944 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Group One Trading Llc | 3.26K | New | $98,382 | 0.0% | New | 1 | SEC ↗ |
| 8 | Belvedere Trading LLC | 2.03K | New | $61,285 | 0.0% | New | 1 | SEC ↗ |
| 9 | Pnc Financial Services Group, Inc. | 275 | 0.0% | $8,294 | 0.0% | Held | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Hrt Financial Lp | $528,000 | 0.0% |
| IMC-Chicago, LLC | $499,480 | 0.0% |
| Group One Trading Llc | $98,382 | 0.0% |
| Belvedere Trading LLC | $61,285 | 0.0% |
Exited
| Renaissance Technologies | $327,756 | was 0.0% |
| Osaic Holdings, Inc. | $12,166 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 10 holders, 315.51K shares, $5.41M 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.