IONZ
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. | 441.08K | +4979.2% | $1.13M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 2 | IMC-Chicago, LLC | 144.84K | New | $372,252 | 0.0% | New | 1 | SEC ↗ |
| 3 | Hrt Financial Lp | 90.84K | New | $233,000 | 0.0% | New | 1 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 82.02K | New | $210,779 | 0.0% | New | 1 | SEC ↗ |
| 5 | Jane Street Group, Llc | 81.80K | New | $210,234 | 0.0% | New | 1 | SEC ↗ |
| 6 | Goldman Sachs Group ✦ | 38.46K | New | $98,840 | 0.0% | New | 1 | SEC ↗ |
| 7 | UBS Group AG | 279 | -67.5% | $717 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | Simplex Trading, Llc | 148 | +2014.3% | $380 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Group One Trading Llc | 119 | -45.7% | $306 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Osaic Holdings, Inc. | 50 | 0.0% | $129 | 0.0% | Held | 3 | SEC ↗ |
| 11 | Citigroup Inc | 30 | +2900.0% | $77 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| IMC-Chicago, LLC | $372,252 | 0.0% |
| Hrt Financial Lp | $233,000 | 0.0% |
| Citadel Advisors | $210,779 | 0.0% |
| Jane Street Group, Llc | $210,234 | 0.0% |
| Goldman Sachs Group | $98,840 | 0.0% |
Exited
| Susquehanna International… | $807,009 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 10 holders, 98.01K shares, $2.44M 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.