Security record · archived quarter
DAWN
Day One Biopharmaceuticals, Inc. · Healthcare · Biotechnology
14Tracked holders
-1Δ holders
36.93MShares held
$240.03MReported value
+1New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow -2.5% ·
net new positions -7.1%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
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 · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 11.34M | — | $73.73M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 11.34M | — | $73.73M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 11.34M | — | $73.73M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 11.34M | — | $73.73M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 11.34M | — | $73.73M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 9.83M | — | $63.90M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 6.18M | — | $40.15M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 6.18M | — | $40.15M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 6.18M | — | $40.15M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 6.18M | — | $40.15M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | The Vanguard Group ✦ (passive) | 6.18M | — | $40.15M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | State Street Global Advisors ✦ (passive) | 2.69M | -0.6% | $17.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 1.71M | +11.2% | $11.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 1.71M | +11.2% | $11.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Millennium Management ✦ | 1.21M | -8.5% | $7.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 1.12M | -4.5% | $7.29M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | T. Rowe Price ✦ | 1.12M | -4.5% | $7.29M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 31 | Renaissance Technologies ✦ | 1.00M | +187.2% | $6.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 703.64K | -47.5% | $4.57M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 33 | Point72 Asset Management ✦ | 391.28K | New | $2.54M | 0.0% | New | 1 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 279.85K | -54.8% | $1.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 279.85K | -54.8% | $1.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 279.85K | -54.8% | $1.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 279.85K | -54.8% | $1.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 38 | Fisher Asset Management ✦ | 221.98K | -19.3% | $1.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 39 | Norges Bank ✦ (passive) | 169.00K | 0.0% | $1.10M | 0.0% | Held | 5 | SEC ↗ |
| 40 | D. E. Shaw & Co. ✦ | 81.30K | -2.1% | $528,470 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 41 | D. E. Shaw & Co. ✦ | 81.30K | -2.1% | $528,470 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $2.54M | 0.0% |
Exited
| Marshall Wace | $7.04M | was 0.0% |
| Two Sigma Investments | $554,267 | was 0.0% |
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: Q2 2025 ·
Methodology ·
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