Security record · archived quarter
SOFX
name pending profile ingest
4Tracked holders
-1Δ holders
381.29KShares held
$3.56MReported value
+1New positions
−2Exits
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 | UBS Group AG | 179.10K | -3.1% | $1.67M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 2 | Susquehanna International Group, Llp | 148.28K | +110.9% | $1.38M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 3 | Optiver Holding B.V. | 53.79K | +570.2% | $502,380 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Group One Trading Llc | 130 | New | $1,214 | 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
| Group One Trading Llc | $1,214 | 0.0% |
Exited
| Belvedere Trading LLC | $493,482 | was 0.1% |
| Simplex Trading, Llc | $95,798 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 5 holders, 400.12K shares, $3.74M 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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