Security record · archived quarter
DAWN
Day One Biopharmaceuticals, Inc. · Healthcare · Biotechnology
15Tracked holders
-1Δ holders
35.84MShares held
$252.66MReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -6.2% ·
share flow -9.4% ·
net new positions -13.3%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 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 · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 10.10M | -11.0% | $71.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 10.10M | -11.0% | $71.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 10.10M | -11.0% | $71.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 10.10M | -11.0% | $71.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 10.10M | -11.0% | $71.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 9.00M | -8.4% | $63.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 6.18M | +0.1% | $43.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 6.18M | +0.1% | $43.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 6.18M | +0.1% | $43.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 6.18M | +0.1% | $43.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | The Vanguard Group ✦ (passive) | 6.18M | +0.1% | $43.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | State Street Global Advisors ✦ (passive) | 3.24M | +20.5% | $22.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 1.76M | +2.9% | $12.42M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 1.76M | +2.9% | $12.42M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 28 | Goldman Sachs Group ✦ | 1.37M | — | $9.67M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Goldman Sachs Group ✦ | 1.37M | — | $9.67M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 1.30M | — | $9.19M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Renaissance Technologies ✦ | 905.48K | -9.5% | $6.38M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 39 | Millennium Management ✦ | 693.32K | -42.6% | $4.89M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 40 | Citadel Advisors ✦ | 663.21K | -5.8% | $4.68M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 41 | Citadel Advisors ✦ | 663.21K | -5.8% | $4.68M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 42 | Fisher Asset Management ✦ | 220.16K | -0.8% | $1.55M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 131.36K | — | $926,118 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 131.36K | — | $926,118 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 131.36K | — | $926,118 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 131.36K | — | $926,118 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 131.36K | — | $926,118 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 131.36K | — | $926,118 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 108.48K | -61.2% | $764,763 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 108.48K | -61.2% | $764,763 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 108.48K | -61.2% | $764,763 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 108.48K | -61.2% | $764,763 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 108.48K | -61.2% | $764,763 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 54 | T. Rowe Price ✦ | 79.73K | -92.9% | $563,000 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 55 | D. E. Shaw & Co. ✦ | 77.97K | -4.1% | $549,703 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 56 | D. E. Shaw & Co. ✦ | 77.97K | -4.1% | $549,703 | 0.0% | ▼ Trim | 6 | 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
| Point72 Asset Management | $2.54M | was 0.0% |
| Norges Bank | $1.10M | 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: Q3 2025 ·
Methodology ·
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