Security record · archived quarter
IONZ
name pending profile ingest
7Tracked holders
0Δ holders
42.23KShares held
$1.05MReported value
+2New positions
−2Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -18.6% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Susquehanna International Group, Llp | 32.41K | New | $807,009 | 0.0% | New | 1 | SEC ↗ |
| 2 | Optiver Holding B.V. | 8.68K | -59.1% | $216,232 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | UBS Group AG | 859 | -2.3% | $21,389 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Group One Trading Llc | 219 | New | $5,453 | 0.0% | New | 1 | SEC ↗ |
| 5 | Osaic Holdings, Inc. | 50 | 0.0% | $1,245 | 0.0% | Held | 2 | SEC ↗ |
| 6 | Simplex Trading, Llc | 7 | -96.5% | $174 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Citigroup Inc | 1 | 0.0% | $25 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Susquehanna International… | $807,009 | 0.0% |
| Group One Trading Llc | $5,453 | 0.0% |
Exited
| Jane Street Group, Llc | $380,720 | was 0.0% |
| Citadel Advisors | $288,317 | 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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