MBRX
name pending profile ingest
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -30.0% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 11 | +1 | 128.85K | $359,669 | +4 | −3 |
| Q1 2026 | 10 | -1 | 68.30K | $155,945 | +2 | −3 |
| Q4 2025 | 11 | 0 | 92.97K | $307,722 | +1 | −1 |
| Q3 2025 | 5 | 0 | 474.19K | $251,321 | n/a | n/a |
| Q2 2025 | 3 | 0 | 70.84K | $21,393 | n/a | n/a |
| Q1 2025 | 1 | -1 | 26.06K | $25,375 | n/a | −1 |
| Q4 2024 | 2 | 0 | 33.52K | $56,994 | n/a | n/a |
| Q3 2024 | 2 | +1 | 32.81K | $93,206 | +1 | n/a |
| Q2 2024 | 1 | n/a | 19.76K | $68,966 | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Citadel Advisors ✦ | 33.09K | New | $109,511 | 0.0% | New | 1 | SEC ↗ |
| 2 | Jane Street Group, Llc | 22.55K | n/a | $74,640 | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 15.54K | +62.0% | $51,450 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 4 | Geode Capital Management ✦ (passive) | 15.14K | +81.8% | $50,106 | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 5 | UBS Group AG | 5.86K | n/a | $19,407 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 6 | BlackRock ✦ (passive) | 495 | 0.0% | $1,638 | 0.0% | Held | 3 | SEC ↗ |
| 7 | Rockefeller Capital Management L.P. | 218 | n/a | $722 | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Bank Of America Corp /De/ | 36 | n/a | $119 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 9 | Morgan Stanley ✦ | 36 | 0.0% | $119 | 0.0% | Held | 2 | SEC ↗ ×2 |
| 10 | Danske Bank A/S | 2 | n/a | $7 | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Osaic Holdings, Inc. | 1 | n/a | $3 | 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
| Citadel Advisors | $109,511 | 0.0% |
Exited
| Goldman Sachs Group | $6,759 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 20 holders, 152.13K shares, $316,939 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.
6.3% of class · View original SEC filing ↗
9.9% of class · View original SEC filing ↗