Security record · archived quarter
MBIO
name pending profile ingest
4Tracked holders
+1Δ holders
428.64KShares held
$75,871Reported value
+2New positions
−1Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 13 | 0 | 231.22K | $162,313 | +2 | −2 |
| Q1 2026 | 14 | 0 | 276.99K | $201,645 | +2 | −2 |
| Q4 2025 | 14 | +1 | 314.08K | $308,112 | +2 | −1 |
| Q3 2025 | 6 | +1 | 181.13K | $275,320 | +2 | −1 |
| Q2 2025 | 3 | +1 | 45.82K | $43,758 | +1 | — |
| Q1 2025 | 1 | -3 | 15.77K | $19,708 | — | −3 |
| Q4 2024 | 4 | +1 | 428.64K | $75,871 | +2 | −1 |
| Q3 2024 | 2 | +1 | 358.26K | $84,299 | +1 | — |
| Q2 2024 | 1 | — | 74.77K | $35,372 | — | — |
Who holds it · Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 284.44K | +15.9% | $50,347 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 284.44K | +15.9% | $50,347 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 87.50K | New | $15,488 | 0.0% | New | 1 | SEC ↗ |
| 4 | Two Sigma Investments ✦ | 40.68K | New | $7,201 | 0.0% | New | 1 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 16.02K | — | $2,835 | 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
| Renaissance Technologies | $15,488 | 0.0% |
| Two Sigma Investments | $7,201 | 0.0% |
Exited
| Citadel Advisors | $26,535 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 21 holders, 508.03K shares, $369,847 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: Q4 2024 ·
Methodology ·
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