Fund shareholders of Day One Biopharmaceuticals Inc
ISIN US23954D1090 · United States
- Fund shareholders
- 142
- Of which ETFs
- 25 117 other funds
- Value held
- ≈ 329.3M $ 329.1M $ · 119K €
- Share of capital
- 17.3 % of 103.3M shares on Apr 15, 2026
142 funds hold this company. This table lists the 141 that declare it in a regulatory filing. 1 more fund publishes its holdings in its own report. It is not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 2,459,398 | 52.7M $ | 0.00 % | 2.38 % | as of Mar 31, 2026 ↗ |
| iShares Russell 2000 ETF iShares Trust | 1,913,327 | 41M $ | 0.06 % | 1.85 % | as of Mar 31, 2026 ↗ |
| First Trust Merger Arbitrage Fund INVESTMENT MANAGERS SERIES TRUST II | 1,230,028 | 26.4M $ | 1.67 % | 1.19 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST | 1,113,401 | 23.9M $ | 0.32 % | 1.08 % | as of Mar 31, 2026 ↗ |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 896,210 | 19.2M $ | 0.01 % | 0.87 % | as of Mar 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 814,037 | 17.5M $ | 0.02 % | 0.79 % | as of Mar 31, 2026 ↗ |
| Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 772,697 | 8.2M $ | 0.01 % | 0.75 % | as of Feb 28, 2026 ↗ |
| AQR Diversified Arbitrage Fund AQR Funds | 764,676 | 16.4M $ | 0.71 % | 0.74 % | as of Mar 31, 2026 ↗ |
| iShares Russell 2000 Value ETF iShares Trust | 639,394 | 13.7M $ | 0.11 % | 0.62 % | as of Mar 31, 2026 ↗ |
| iShares Biotechnology ETF iShares Trust | 578,773 | 12.4M $ | 0.15 % | 0.56 % | as of Mar 31, 2026 ↗ |
| College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 451,570 | 9.7M $ | 0.01 % | 0.44 % | as of Mar 31, 2026 ↗ |
| BlackRock Advantage Small Cap Core Fund BlackRock Funds | 443,564 | 4.7M $ | 0.10 % | 0.43 % | as of Feb 27, 2026 ↗ |
| Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 402,390 | 4.3M $ | 0.00 % | 0.39 % | as of Feb 28, 2026 ↗ |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 388,862 | 4.1M $ | 0.03 % | 0.38 % | as of Feb 28, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 383,763 | 4.1M $ | 0.01 % | 0.37 % | as of Feb 28, 2026 ↗ |
| Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 357,148 | 3.8M $ | 0.02 % | 0.35 % | as of Feb 28, 2026 ↗ |
| Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust | 322,846 | 3.4M $ | 0.01 % | 0.31 % | as of Feb 28, 2026 ↗ |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 284,460 | 6.1M $ | 0.01 % | 0.28 % | as of Mar 31, 2026 ↗ |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 246,914 | 5.3M $ | 0.01 % | 0.24 % | as of Mar 31, 2026 ↗ |
| VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 215,744 | 2.3M $ | 0.01 % | 0.21 % | as of Feb 28, 2026 ↗ |
| Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust | 202,500 | 2.1M $ | 0.01 % | 0.20 % | as of Feb 28, 2026 ↗ |
| First Trust Multi-Strategy Fund INVESTMENT MANAGERS SERIES TRUST II | 201,752 | 4.3M $ | 0.33 % | 0.20 % | as of Mar 31, 2026 ↗ |
| Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 135,276 | 1.4M $ | 0.00 % | 0.13 % | as of Feb 28, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 133,359 | 1.4M $ | 0.00 % | 0.13 % | as of Feb 28, 2026 ↗ |
| NORTH SQUARE DYNAMIC SMALL CAP FUND Exchange Place Advisors Trust | 131,875 | 1.4M $ | 0.20 % | 0.13 % | as of Feb 28, 2026 ↗ |
| Master Small Cap Index Series Quantitative Master Series LLC | 129,305 | 2.8M $ | 0.06 % | 0.13 % | as of Mar 31, 2026 ↗ |
| Tema Oncology ETF Tema ETF Trust | 121,928 | 1.3M $ | 0.81 % | 0.12 % | as of Feb 28, 2026 ↗ |
| Nomura Healthcare Fund Delaware Group Equity Funds IV | 110,000 | 2.4M $ | 0.35 % | 0.11 % | as of Mar 31, 2026 ↗ |
| Select Biotechnology Portfolio Fidelity Select Portfolios | 108,347 | 1.1M $ | 0.02 % | 0.10 % | as of Feb 28, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 105,955 | 1.1M $ | 0.00 % | 0.10 % | as of Feb 28, 2026 ↗ |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 105,111 | 2.3M $ | 0.00 % | 0.10 % | as of Mar 31, 2026 ↗ |
| MFS Blended Research Small Cap Equity Fund MFS SERIES TRUST X | 98,580 | 1M $ | 0.33 % | 0.10 % | as of Feb 28, 2026 ↗ |
| Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 92,357 | 2M $ | 0.11 % | 0.09 % | as of Mar 31, 2026 ↗ |
| ALPS Medical Breakthroughs ETF ALPS ETF TRUST | 91,514 | 970K $ | 0.70 % | 0.09 % | as of Feb 28, 2026 ↗ |
| EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 83,009 | 1.8M $ | 0.05 % | 0.08 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 68,406 | 725.1K $ | 0.00 % | 0.07 % | as of Feb 28, 2026 ↗ |
| Avantis U.S. Small Cap Equity ETF American Century ETF Trust | 67,271 | 713.1K $ | 0.03 % | 0.07 % | as of Feb 28, 2026 ↗ |
| Adara Smaller Companies Fund RBB Fund, Inc. | 58,076 | 615.6K $ | 0.08 % | 0.06 % | as of Feb 28, 2026 ↗ |
| VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 56,153 | 595.2K $ | 0.05 % | 0.05 % | as of Feb 28, 2026 ↗ |
| LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 52,600 | 1.1M $ | 0.06 % | 0.05 % | as of Mar 31, 2026 ↗ |
| LVIP Franklin Templeton Multi-Factor SMID Cap Equity Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 48,211 | 1M $ | 0.11 % | 0.05 % | as of Mar 31, 2026 ↗ |
| Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 45,734 | 484.8K $ | 0.00 % | 0.04 % | as of Feb 28, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 43,572 | 934.2K $ | 0.00 % | 0.04 % | as of Mar 31, 2026 ↗ |
| EQ/Small Company Index Portfolio EQ Advisors Trust | 42,170 | 904.1K $ | 0.06 % | 0.04 % | as of Mar 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 39,181 | 840K $ | 0.00 % | 0.04 % | as of Mar 31, 2026 ↗ |
| VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND | 38,921 | 412.6K $ | 0.03 % | 0.04 % | as of Feb 28, 2026 ↗ |
| Small Cap Index Fund Northern Funds | 36,471 | 781.9K $ | 0.06 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 33,696 | 722.4K $ | 0.01 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 32,342 | 342.8K $ | 0.03 % | 0.03 % | as of Feb 28, 2026 ↗ |
| iShares Russell 2000 Growth ETF iShares Trust | 32,188 | 690.1K $ | 0.01 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Golden Eagle Dynamic Hypergrowth ETF ETF Opportunities Trust | 32,074 | 687.7K $ | 2.50 % | 0.03 % | as of Mar 31, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 27,500 | 589.6K $ | 0.02 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Diversified Equity Master Portfolio Master Investment Portfolio | 27,123 | 581.5K $ | 0.02 % | 0.03 % | as of Mar 31, 2026 ↗ |
| MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 26,050 | 558.5K $ | 0.06 % | 0.03 % | as of Mar 31, 2026 ↗ |
| MFS Blended Research Small Cap Equity Portfolio MFS VARIABLE INSURANCE TRUST III | 25,683 | 550.6K $ | 0.70 % | 0.02 % | as of Mar 31, 2026 ↗ |
| EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 23,590 | 505.8K $ | 0.03 % | 0.02 % | as of Mar 31, 2026 ↗ |
| ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 22,370 | 479.6K $ | 0.05 % | 0.02 % | as of Mar 31, 2026 ↗ |
| SIIT SMALL CAP II FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 21,884 | 232K $ | 0.09 % | 0.02 % | as of Feb 28, 2026 ↗ |
| SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 19,952 | 211.5K $ | 0.11 % | 0.02 % | as of Feb 28, 2026 ↗ |
| Small-Cap Index Portfolio PACIFIC SELECT FUND | 19,947 | 427.7K $ | 0.06 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 18,430 | 395.1K $ | 0.00 % | 0.02 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 17,862 | 383K $ | 0.04 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Nuveen Life Small Cap Equity Fund TIAA-CREF Life Funds | 15,845 | 339.7K $ | 0.47 % | 0.02 % | as of Mar 31, 2026 ↗ |
| NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 15,425 | 330.7K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| The Gabelli ABC Fund Gabelli Investor Funds Inc | 15,000 | 321.6K $ | 0.08 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Small Cap Index Trust John Hancock Variable Insurance Trust | 14,224 | 305K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| NORTH SQUARE KENNEDY MICROCAP FUND Exchange Place Advisors Trust | 13,760 | 145.9K $ | 0.49 % | 0.01 % | as of Feb 28, 2026 ↗ |
| BlackRock Advantage SMID Cap Fund, Inc. BlackRock Advantage SMID Cap Fund, Inc. | 13,170 | 282.4K $ | 0.04 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Virtus Small-Cap Fund Virtus Investment Trust | 11,200 | 240.1K $ | 0.23 % | 0.01 % | as of Mar 31, 2026 ↗ |
| 1290 VT Small Cap Value Portfolio EQ Advisors Trust | 11,147 | 239K $ | 0.05 % | 0.01 % | as of Mar 31, 2026 ↗ |
| DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 10,986 | 235.5K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 10,100 | 107.1K $ | 0.01 % | 0.01 % | as of Feb 28, 2026 ↗ |
| BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 9,684 | 207.6K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 9,337 | 200.2K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 8,284 | 177.6K $ | 0.05 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Avantis U.S. Small Cap Equity Fund American Century ETF Trust | 7,689 | 81.5K $ | 0.07 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Comstock Capital Value Fund Comstock Funds, Inc. | 7,000 | 150.1K $ | 1.46 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 6,636 | 70.3K $ | 0.00 % | 0.01 % | as of Feb 28, 2026 ↗ |
| PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 6,478 | 138.9K $ | 0.11 % | 0.01 % | as of Mar 31, 2026 ↗ |
| CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 6,422 | 137.7K $ | 0.05 % | 0.01 % | as of Mar 31, 2026 ↗ |
| PROFUND VP BIOTECHNOLOGY ProFunds | 6,085 | 130.5K $ | 0.31 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 5,962 | 127.8K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II | 5,740 | 60.8K $ | 0.08 % | 0.01 % | as of Feb 28, 2026 ↗ |
| iShares MSCI World Small-Cap ETF iShares Trust | 5,500 | 58.3K $ | 0.01 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 5,461 | 117.1K $ | 0.00 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 5,013 | 107.5K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 4,958 | 106.3K $ | 0.06 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ProShares Ultra Russell2000 ProShares Trust | 4,876 | 51.7K $ | 0.02 % | 0.00 % | as of Feb 28, 2026 ↗ |
| ProShares UltraPro Russell2000 ProShares Trust | 4,865 | 51.6K $ | 0.02 % | 0.00 % | as of Feb 28, 2026 ↗ |
| ProShares Ultra Nasdaq Biotechnology ProShares Trust | 4,741 | 50.3K $ | 0.05 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Small Cap Core Fund Northern Funds | 4,490 | 96.3K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Venerable US Small Cap Fund Venerable Variable Insurance Trust | 4,396 | 94.3K $ | 0.07 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Federated Hermes Global Allocation Fund Federated Hermes Global Allocation Fund | 3,752 | 39.8K $ | 0.01 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Multi-Hedge Strategies Fund Rydex Variable Trust | 3,630 | 77.8K $ | 0.30 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SA U.S. Small Company Fund SA FUNDS INVESTMENT TRUST | 3,462 | 74.2K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ProShares Russell 2000 High Income ETF ProShares Trust | 3,399 | 36K $ | 0.02 % | 0.00 % | as of Feb 28, 2026 ↗ |
| VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 3,369 | 35.7K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Small-Cap Equity Portfolio PACIFIC SELECT FUND | 3,301 | 70.8K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 3,172 | 33.6K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 3,002 | 64.4K $ | 0.01 % | 0.00 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Golden Eagle Dynamic Hypergrowth ETF ETF Opportunities Trust | 2.50 % | as of Mar 31, 2026 ↗ |
| First Trust Merger Arbitrage Fund INVESTMENT MANAGERS SERIES TRUST II | 1.67 % | as of Mar 31, 2026 ↗ |
| Comstock Capital Value Fund Comstock Funds, Inc. | 1.46 % | as of Mar 31, 2026 ↗ |
| Tema Oncology ETF Tema ETF Trust | 0.81 % | as of Feb 28, 2026 ↗ |
| AQR Diversified Arbitrage Fund AQR Funds | 0.71 % | as of Mar 31, 2026 ↗ |
| ALPS Medical Breakthroughs ETF ALPS ETF TRUST | 0.70 % | as of Feb 28, 2026 ↗ |
| MFS Blended Research Small Cap Equity Portfolio MFS VARIABLE INSURANCE TRUST III | 0.70 % | as of Mar 31, 2026 ↗ |
| Pictet - Biotech Pictet Asset Management (Europe) S.A. | 0.63 % | as of Sep 30, 2025 ↗ |
| NORTH SQUARE KENNEDY MICROCAP FUND Exchange Place Advisors Trust | 0.49 % | as of Feb 28, 2026 ↗ |
| Nuveen Life Small Cap Equity Fund TIAA-CREF Life Funds | 0.47 % | as of Mar 31, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 140 | -46 | 17,832,555 | -17.9 % |
| 2026Q1 | 186 | -1 | 21,732,676 | -15.5 % |
| 2025Q4 | 187 | 0 | 25,720,719 | -8.2 % |
| 2025Q3 | 187 | 0 | 28,022,927 | -0.5 % |
| 2025Q2 | 187 | -1 | 28,172,415 | -2.5 % |
| 2025Q1 | 188 | -4 | 28,881,560 | +9.2 % |
| 2024Q4 | 192 | +12 | 26,438,325 | +37.7 % |
| 2024Q3 | 180 | +3 | 19,197,485 | -3.0 % |
| 2024Q2 | 177 | +8 | 19,794,606 | -1.0 % |
| 2024Q1 | 169 | 0 | 19,986,768 | +4.4 % |
| 2023Q4 | 169 | 19,149,117 |
Institutional managers
198 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 7,044,487 | 151M $ | as of Mar 31, 2026 |
| GLAZER CAPITAL, LLC | 4,683,687 | 100.4K $ | as of Mar 31, 2026 |
| FIL Ltd | 4,131,907 | 88.6M $ | as of Mar 31, 2026 |
| Kryger Capital LLC | 3,896,485 | 83.5M $ | as of Mar 31, 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 3,723,131 | 79.8M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 3,134,753 | 67.1M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 2,869,876 | 61.5M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 2,625,235 | 56.3M $ | as of Mar 31, 2026 |
| AQR Arbitrage LLC | 2,462,154 | 52.8M $ | as of Mar 31, 2026 |
| UBS Group AG | 2,305,123 | 49.4M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 1,954,735 | 41.9M $ | as of Mar 31, 2026 |
| Qube Research & Technologies Ltd | 1,954,552 | 41.9M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 1,927,557 | 41.3M $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 1,902,868 | 40.8M $ | as of Mar 31, 2026 |
| O'Connor Alternative Investments LLC | 1,867,553 | 40M $ | as of Mar 31, 2026 |
| Nuveen, LLC | 1,823,998 | 39.1M $ | as of Mar 31, 2026 |
| PERCEPTIVE ADVISORS LLC | 1,755,799 | 37.6M $ | as of Mar 31, 2026 |
| ODDO BHF ASSET MANAGEMENT SAS | 1,550,000 | 33.2M $ | as of Mar 31, 2026 |
| SOROS FUND MANAGEMENT LLC | 1,539,100 | 33M $ | as of Mar 31, 2026 |
| First Trust Capital Management L.P. | 1,496,007 | 32.1M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 1,296,984 | 27.8M $ | as of Mar 31, 2026 |
| ALLIANCEBERNSTEIN L.P. | 1,214,783 | 11.3M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 979,238 | 21M $ | as of Mar 31, 2026 |
| DAFNA Capital Management LLC | 978,463 | 21M $ | as of Mar 31, 2026 |
| WATER ISLAND CAPITAL LLC | 944,247 | 20.2M $ | as of Mar 31, 2026 |
Declared shareholders of Day One Biopharmaceuticals Inc
There are 4 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| AI Day1 LLC and 3 others | 0.00 % | 0 | as of Apr 23, 2026 · SCHEDULE 13D |
| Atlas Venture Fund XI, L.P. and 8 others | 0.00 % | 0 | as of Mar 31, 2026 · SCHEDULE 13G |
| FMR LLC and 1 other | 0.00 % | 23,640 | as of Mar 31, 2026 · SCHEDULE 13G |
| Vestal Point Capital, LP and 1 other | 0.00 % | 0 | as of Mar 31, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of Day One Biopharmaceuticals Inc". https://titelia.com/en/stocks/day-one-biopharmaceuticals-inc-US23954D1090