XOMA
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -22.2% ·
share flow +0.1% ·
net new positions -20.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 47 | +7 | 6.14M | $260.82M | +8 | −1 |
| Q1 2026 | 42 | +3 | 5.53M | $173.32M | +8 | −5 |
| Q4 2025 | 39 | 0 | 5.04M | $134.01M | +1 | −1 |
| Q3 2025 | 11 | +1 | 4.45M | $171.35M | +2 | −1 |
| Q2 2025 | 7 | -2 | 2.70M | $67.92M | n/a | −2 |
| Q1 2025 | 6 | +2 | 383.32K | $7.64M | +2 | n/a |
| Q4 2024 | 4 | -2 | 354.37K | $9.31M | n/a | −2 |
| Q3 2024 | 5 | +2 | 234.46K | $6.21M | +3 | −1 |
| Q2 2024 | 3 | n/a | 207.85K | $4.92M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 1.08M | n/a | $27.21M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 2 | The Vanguard Group ✦ (passive) | 638.81K | n/a | $16.10M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 3 | BlackRock ✦ (passive) | 591.67K | n/a | $14.91M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 4 | Geode Capital Management ✦ (passive) | 203.60K | +9.1% | $5.13M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 5 | State Street Global Advisors ✦ (passive) | 153.48K | +6.0% | $3.87M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Marshall Wace ✦ | 16.31K | +12.2% | $410,963 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 11.90K | -13.1% | $299,880 | 0.0% | ▼ Trim | 4 | 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
| Millennium Management | $280,096 | was 0.0% |
| Citadel Advisors | $192,085 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 84 holders, 9.99M shares, $302.13M 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.