Security record · archived quarter
DAWN
Day One Biopharmaceuticals, Inc. · Healthcare · Biotechnology
14Tracked holders
0Δ holders
10.71MShares held
$135.72MReported value
+1New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -16.8% · net new positions 0.0% — formula
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 |
|---|---|---|---|---|---|---|
| Q1 2026 | 86 | +1 | 49.82M | $1.05B | +13 | −13 |
| Q4 2025 | 86 | +2 | 51.33M | $478.37M | +3 | — |
| Q3 2025 | 15 | -1 | 35.84M | $252.66M | — | −2 |
| Q2 2025 | 14 | -1 | 36.93M | $240.03M | +1 | −2 |
| Q1 2025 | 12 | -2 | 10.53M | $83.51M | — | −2 |
| Q4 2024 | 14 | 0 | 10.71M | $135.72M | +1 | −1 |
| Q3 2024 | 13 | -1 | 9.77M | $136.05M | +1 | −2 |
| Q2 2024 | 14 | — | 8.62M | $118.84M | — | — |
Who holds it · Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 3.10M | — | $39.30M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 1.71M | -33.0% | $21.62M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 1.71M | -33.0% | $21.62M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.46M | +2.1% | $18.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.46M | +2.1% | $18.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Marshall Wace ✦ | 1.10M | New | $13.91M | 0.0% | New | 1 | SEC ↗ |
| 7 | Marshall Wace ✦ | 1.10M | New | $13.91M | 0.0% | New | 1 | SEC ↗ |
| 8 | Adage Capital Partners ✦ | 800.00K | -11.1% | $10.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Wellington Management ✦ | 731.30K | +1.4% | $9.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Wellington Management ✦ | 731.30K | +1.4% | $9.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Wellington Management ✦ | 731.30K | +1.4% | $9.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 611.31K | +26.2% | $7.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 611.31K | +26.2% | $7.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 271.78K | -33.3% | $3.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | Renaissance Technologies ✦ | 243.74K | +157.0% | $3.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Millennium Management ✦ | 192.10K | +80.4% | $2.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | Norges Bank ✦ (passive) | 169.00K | 0.0% | $2.14M | 0.0% | Held | 3 | SEC ↗ |
| 18 | D. E. Shaw & Co. ✦ | 146.38K | +2.3% | $1.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | D. E. Shaw & Co. ✦ | 146.38K | +2.3% | $1.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Fisher Asset Management ✦ | 89.13K | +21.6% | $1.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 88.20K | -32.3% | $1.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 88.20K | -32.3% | $1.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $13.91M | 0.0% |
| Marshall Wace | $13.91M | 0.0% |
Exited
| Viking Global Investors | $35.64M | was 0.1% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 206 holders, 83.68M shares, $1.67B 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 ·
Get this via the API