Security record · archived quarter
OSTX
name pending profile ingest
1Tracked holders
—Δ holders
30.28KShares held
$56,929Reported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| 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 | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 30.28K | — | $56,929 | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 30.28K | — | $56,929 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
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.
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: Q2 2025 ·
Methodology ·
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