MSTX
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow +30.0% ·
net new positions -10.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 10 | -1 | 616.19K | $4.58M | +2 | −3 |
| Q1 2026 | 11 | +11 | 221.99K | $4.34M | +11 | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | UBS Group AG | 203.80K | +62800.6% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | UBS Group AG | 203.80K | +62800.6% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Jane Street Group, Llc | 163.96K | +1270.7% | $1.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 72.03K | New | $535,888 | 0.0% | New | 1 | SEC ↗ |
| 5 | Optiver Holding B.V. | 53.08K | +152.2% | $394,915 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Goldman Sachs Group ✦ | 40.00K | 0.0% | $297,600 | 0.0% | Held | 2 | SEC ↗ |
| 7 | Mariner, LLC | 37.66K | +73.9% | $280,205 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Group One Trading Llc | 22.27K | -11.2% | $165,696 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | HighTower Advisors, LLC | 19.76K | +74.6% | $147,037 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Morgan Stanley ✦ | 2.94K | 0.0% | $21,896 | 0.0% | Held | 2 | SEC ↗ |
| 11 | Simplex Trading, Llc | 691 | New | $5,141 | 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
| Citadel Advisors | $535,888 | 0.0% |
| Simplex Trading, Llc | $5,141 | 0.0% |
Exited
| Susquehanna International… | $673,615 | was 0.0% |
| Renaissance Technologies | $547,400 | was 0.0% |
| Hrt Financial Lp | $492,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 25 holders, 380.20K shares, $6.16M 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.