Security record · archived quarter
YMAB
name pending profile ingest
10Tracked holders
-2Δ holders
3.61MShares held
$15.98MReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -16.7% ·
share flow +4.7% ·
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 Q1 2025
Ownership over time
Who holds it · Q1 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 849.50K | +3.3% | $3.76M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 2 | State Street Global Advisors ✦ (passive) | 789.02K | -40.0% | $3.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | D. E. Shaw & Co. ✦ | 549.67K | -10.6% | $2.44M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 4 | Millennium Management ✦ | 466.62K | +1216.4% | $2.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 256.71K | +95.1% | $1.14M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Wellington Management ✦ | 204.05K | +53.1% | $903,950 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 7 | AQR Capital Management ✦ | 164.79K | +869.3% | $730,011 | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 8 | Two Sigma Investments ✦ | 154.78K | +75.2% | $685,698 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 153.96K | -30.6% | $682,021 | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 10 | T. Rowe Price ✦ | 17.21K | +22.4% | $77,000 | 0.0% | ▲ Add | 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
| Marshall Wace | $385,432 | was 0.0% |
| Point72 Asset Management | $4,308 | was 0.0% |
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: Q1 2025 ·
Methodology ·
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