Day One Biopharmaceuticals Ownership | Who Owns Day One Biopharmaceuticals?
Day One Biopharmaceuticals Ownership Summary
Day One Biopharmaceuticals is owned by 83.57% institutional investors, 16.87% insiders. Fmr is the largest institutional shareholder, holding 13.34% of DAWN shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.43% of its assets in Day One Biopharmaceuticals shares.
DAWN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Day One Biopharmaceuticals | 83.57% | 16.87% | -0.44% |
| Sector | Healthcare Stocks | 488.17% | 11.08% | -399.26% |
| Industry | Biotech Stocks | 307.00% | 11.11% | -218.12% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 12.89M | 13.34% | $163.28M |
| Blackrock funding, inc. /de | 9.83M | 9.54% | $63.90M |
| Atlas venture life science advisors | 6.43M | 6.24% | $41.80M |
| Vanguard group | 5.85M | 6.05% | $74.11M |
| Blackrock | 4.53M | 5.23% | $62.47M |
| Franklin resources | 3.88M | 4.02% | $49.20M |
| Deerfield management company, l.p. (series c) | 3.72M | 3.61% | $24.20M |
| Pictet asset management sa | 3.72M | 3.61% | $24.20M |
| State street | 3.10M | 3.21% | $39.30M |
| Alyeska investment group | 3.01M | 2.92% | $19.58M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Atlas venture life science advisors | 6.43M | 6.31% | $41.80M |
| Stonepine capital management | 450.00K | 2.87% | $2.92M |
| Dafna capital management | 879.16K | 1.58% | $5.71M |
| Vestal point capital, lp | 3.00M | 1.03% | $19.50M |
| Boxer capital | 1.19M | 0.86% | $16.40M |
| Braidwell lp | 2.18M | 0.48% | $14.18M |
| Deerfield management company, l.p. (series c) | 3.72M | 0.44% | $24.20M |
| Ecor1 capital | 862.07K | 0.41% | $10.92M |
| Parkman healthcare partners | 500.00K | 0.37% | $3.25M |
| Sphera funds management | 175.37K | 0.27% | $1.14M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 12.89M | 0.01% | 5.48M |
| Blackrock funding, inc. /de | 9.83M | 0.00% | 3.07M |
| Deerfield management company, l.p. (series c) | 3.72M | 0.44% | 762.39K |
| Qube research | 944.20K | 0.01% | 663.42K |
| J. goldman & co lp | 557.48K | 0.09% | 557.48K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ra capital management | - | - | -5.76M |
| Estuary capital management lp | - | - | -3.33M |
| Fairmount funds management | - | - | -3.10M |
| Viking global investors lp | - | - | -2.56M |
| Maverick capital | - | - | -2.11M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| J. goldman & co lp | 557.48K | 0.09% | 557.48K | $3.62M |
| Point72 asset management | 391.28K | 0.01% | 391.28K | $2.54M |
| Y-intercept (hong kong) | 281.53K | 0.04% | 281.53K | $1.83M |
| Schroder investment management group | 180.13K | 0.00% | 180.13K | $1.17M |
| Norges bank | 169.00K | 0.00% | 169.00K | $2.14M |
Sold Out
| Holder | Change |
|---|---|
| Pnc financial services group | -3.00 |
| True wealth design | -4.00 |
| Srs capital advisors | -8.00 |
| Nelson, van denburg & campbell wealth management group | -12.00 |
| Northwestern mutual wealth management | -14.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 178 | -6.32% | 86,133,514 | 0.67% | 83 | 1.20% | 101 | -6.48% | 52 | 10.64% |
| Mar 31, 2025 | 193 | 11.56% | 94,051,909 | 0.33% | 91 | 0.97% | 108 | 13.68% | 47 | 20.51% |
| Dec 31, 2024 | 170 | -3.41% | 93,046,512 | 1.26% | 96 | 1.06% | 93 | -8.82% | 40 | 8.11% |
| Sep 30, 2024 | 174 | 6.10% | 91,763,456 | 23.09% | 94 | 1.30% | 102 | 27.50% | 37 | -22.92% |
| Jun 30, 2024 | 163 | 10.14% | 74,549,937 | 2.96% | 86 | 1.04% | 80 | 11.11% | 47 | 9.30% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 2.46M | 2.43% | 522.40K |
| Vanguard Total Stock Mkt Idx Inv | 2.39M | 2.33% | -52.94K |
| Pictet-Biotech P USD | 2.25M | 2.19% | 27.52K |
| Polar Capital Biotech S Inc | 2.11M | 2.06% | - |
| iShares Russell 2000 ETF | 1.66M | 1.62% | -31.61K |
| Franklin Small Cap Growth SMA | 1.61M | 1.59% | 1.61M |
| Franklin US Small Cap Growth Equity | 1.61M | 1.59% | 130.60K |
| Fidelity Small Cap Growth | 1.59M | 1.57% | -4.22K |
| Franklin Biotechnology Discv A(acc)USD | 1.55M | 1.52% | - |
| Franklin Small Cap Growth Adv | 1.48M | 1.45% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 18, 2025 | York Charles N II | COO and CFO | Sell | $27.79K |
| Aug 18, 2025 | Dubow Adam | Gen Counsel & Secretary | Sell | $29.54K |
| Aug 18, 2025 | Bender Jeremy | CHIEF EXECUTIVE OFFICER | Sell | $108.67K |
| Aug 18, 2025 | Merendino Lauren | Chief Commercial Officer | Sell | $25.48K |
| May 16, 2025 | Merendino Lauren | Chief Commercial Officer | Sell | $24.57K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 4 |
| 2025 Q2 | - | 4 |
| 2025 Q1 | - | 3 |
| 2024 Q4 | - | 9 |
| 2024 Q3 | 1 | 6 |
DAWN Ownership FAQ
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