MSTZ
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -14.3% ·
share flow -30.0% ·
net new positions -16.7%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Susquehanna International Group, Llp | 137.09K | -34.5% | $1.71M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 2 | IMC-Chicago, LLC | 25.63K | +12.7% | $319,812 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Jane Street Group, Llc | 19.53K | -79.1% | $243,772 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Optiver Holding B.V. | 16.76K | -22.4% | $209,115 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 5 | Simplex Trading, Llc | 3.01K | New | $37,577 | 0.0% | New | 1 | SEC ↗ |
| 6 | Belvedere Trading LLC | 639 | New | $7,975 | 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
| Simplex Trading, Llc | $37,577 | 0.0% |
| Belvedere Trading LLC | $7,975 | 0.0% |
Exited
| Citadel Advisors | $229,193 | was 0.0% |
| Citigroup Inc | $144,437 | was 0.0% |
| UBS Group AG | $8,884 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 16 holders, 580.31K shares, $7.08M 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.