OSTX
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -11.1% ·
share flow +30.0% ·
net new positions -12.5%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 16 | 0 | 1.84M | $3.50M | +3 | −3 |
| Q1 2026 | 16 | -2 | 1.91M | $2.69M | +3 | −5 |
| Q4 2025 | 18 | -1 | 1.30M | $1.82M | — | −1 |
| Q3 2025 | 9 | +6 | 853.81K | $1.67M | +6 | — |
| Q2 2025 | 1 | — | 30.28K | $56,929 | — | — |
| Q4 2024 | 1 | 0 | 29.84K | $127,698 | — | — |
| Q3 2024 | 1 | +1 | 60.44K | $169,218 | +1 | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management Llc | 469.47K | — | $661,948 | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Susquehanna International Group, Llp | 448.74K | New | $632,719 | 0.0% | New | 1 | SEC ↗ |
| 3 | UBS Group AG | 348.68K | +1820.5% | $491,636 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 280.05K | +13.8% | $394,863 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 280.05K | +13.8% | $394,863 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | State Street Global Advisors ✦ (passive) | 91.20K | +55.9% | $128,592 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Northern Trust Corp | 66.05K | -7.4% | $93,136 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 64.77K | +5.5% | $91,329 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 64.77K | +5.5% | $91,329 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | Jane Street Group, Llc | 40.32K | +45.3% | $56,846 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 26.38K | -69.9% | $37,196 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | HighTower Advisors, LLC | 15.20K | New | $21,432 | 0.0% | New | 1 | SEC ↗ |
| 13 | Stifel Financial Corp | 15.00K | 0.0% | $21,150 | 0.0% | Held | 2 | SEC ↗ |
| 14 | Jones Financial Companies Lllp | 12.92K | +18.9% | $18,219 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Mercer Global Advisors Inc /Adv | 10.22K | 0.0% | $14,410 | 0.0% | Held | 2 | SEC ↗ |
| 16 | LPL Financial LLC | 10.11K | 0.0% | $14,259 | 0.0% | Held | 2 | SEC ↗ |
| 17 | Morgan Stanley ✦ | 9.49K | +849.0% | $13,381 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Morgan Stanley ✦ | 9.49K | +849.0% | $13,381 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Fidelity (FMR) ✦ | 2 | New | $2 | 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
| Susquehanna International… | $632,719 | 0.0% |
| HighTower Advisors, LLC | $21,432 | 0.0% |
| Fidelity (FMR) | $2 | 0.0% |
Exited
| Marshall Wace | $153,929 | was 0.0% |
| Millennium Management | $43,099 | was 0.0% |
| Royal Bank Of Canada | $1,000 | was 0.0% |
| Northwestern Mutual Wealth… | $35 | was 0.0% |
| Bank Of America Corp /De/ | $32 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 29 holders, 2.90M shares, $4.03M 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.