MSFX
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. | 39.03K | +487.0% | $572,121 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 2 | Citadel Advisors ✦ | 24.98K | -33.5% | $366,163 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | IMC-Chicago, LLC | 19.09K | New | $279,845 | 0.0% | New | 1 | SEC ↗ |
| 4 | Group One Trading Llc | 600 | New | $8,796 | 0.0% | New | 1 | SEC ↗ |
| 5 | Simplex Trading, Llc | 295 | -58.7% | $4,324 | 0.0% | ▼ Trim | 2 | 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 | $279,845 | 0.0% |
| Group One Trading Llc | $8,796 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 4 holders, 45.17K shares, $687,957 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.