DAY ONE BIOPHARMACEUTICALS I (DAWN) Top Institutional Shareholders
DAY ONE BIOPHARMACEUTICALS I (DAWN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.67B in DAWN holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of DAWN tracked by InsiderSet, reporting ownership valued at approximately $151.03M in its March 31, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 44% of the total disclosed DAWN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fil Ltd, Kryger Capital Llc, and several other long-term asset managers with concentrated positions in DAY ONE BIOPHARMACEUTICALS I (DAWN).
This page ranks the largest institutional DAWN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
202
Total Reported Value
$1.67B
Largest Holder
Blackrock, Inc.
Largest Position
$151.03M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
194
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 7,044,487 | $151,033,802 | — | — | — | |
| Fil Ltd | 0.07% | 4,131,907 | $88,588,086 | — | — | — | |
| Kryger Capital Llc | 5.91% | 3,896,485 | $83,540,638 | — | — | — | |
| Deerfield Management Company, L.P. | 0.94% | 3,723,131 | $79,823,929 | — | — | — | |
| Vanguard Capital Management Llc | 0.00% | 3,357,684 | $71,988,745 | — | — | — | |
| State Street Corp | 0.00% | 2,869,876 | $61,530,141 | — | — | — | |
| Balyasny Asset Management L.P. | 0.11% | 2,625,235 | $56,285,038 | — | — | — | |
| Aqr Arbitrage Llc | 0.87% | 2,462,154 | $52,788,582 | — | — | — | |
| Ubs Group Ag | 0.01% | 2,305,123 | $49,421,837 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.00% | 2,095,813 | $44,934,231 | — | — | — | |
| Geode Capital Management, Llc | 0.00% | 1,954,735 | $41,918,714 | — | — | — | |
| Qube Research & Technologies Ltd | 0.06% | 1,954,552 | $41,905,595 | — | — | — | |
| Millennium Management Llc | 0.03% | 1,927,557 | $41,326,822 | — | — | — | |
| Bank Of America Corp | 0.00% | 1,902,868 | $40,797,491 | — | — | — | |
| O'Connor Alternative Investments Llc | 3.43% | 1,867,553 | $40,040,336 | — | — | — | |
| Nuveen, Llc | 0.01% | 1,823,998 | $39,106,518 | — | — | — | |
| Perceptive Advisors Llc | 0.74% | 1,755,799 | $37,644,331 | — | — | — | |
| Oddo Bhf Asset Management Sas | 1.31% | 1,550,000 | $33,232,000 | — | — | — | |
| Soros Fund Management Llc | 0.45% | 1,539,100 | $32,998,304 | — | — | — | |
| First Trust Capital Management L.P. | 1.69% | 1,496,007 | $32,074,390 | — | — | — | |
| Renaissance Technologies LLC | Jim Simons | 0.04% | 1,296,984 | $27,807,337 | — | — | — |
| Goldman Sachs Group Inc | 0.00% | 979,238 | $20,994,863 | — | — | — | |
| Dafna Capital Management Llc | 4.77% | 978,463 | $20,978,247 | — | — | — | |
| Water Island Capital Llc | 2.70% | 944,247 | $20,244,656 | — | — | — | |
| Alpine Associates Management Inc. | 1.17% | 925,000 | $19,832,002 | — | — | — | |
| Dimensional Fund Advisors Lp | 0.00% | 819,371 | $17,567,169 | — | — | — | |
| Pentwater Capital Management Lp | 0.12% | 800,000 | $17,152,000 | — | — | — | |
| Morgan Stanley | 0.00% | 687,107 | $14,731,592 | — | — | — | |
| Hudson Bay Capital Management Lp | 0.09% | 670,000 | $14,364,800 | — | — | — | |
| Northern Trust Corp | 0.00% | 666,180 | $14,282,900 | — | — | — | |
| Magnetar Financial Llc | 0.14% | 645,173 | $13,832,509 | — | — | — | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.02% | 643,738 | $13,801,743 | — | — | — | |
| Polar Asset Management Partners Inc. | 0.32% | 630,410 | $13,515,990 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.00% | 617,561 | $13,240,508 | — | — | — | |
| Tig Advisors, Llc | 0.63% | 613,918 | $13,162,402 | — | — | — | |
| Janus Henderson Group Plc | 0.01% | 546,428 | $11,712,684 | — | — | — | |
| Alliancebernstein L.P. | 0.00% | 1,214,783 | $11,321,778 | — | — | — | |
| Beryl Capital Management Llc | 10.15% | 514,114 | $11,022,604 | — | — | — | |
| Jump Financial, Llc | 0.16% | 497,365 | $10,663,506 | — | — | — | |
| Vanguard Fiduciary Trust Co | 0.00% | 478,839 | $10,266,308 | — | — | — | |
| Jane Street Group, Llc | 0.01% | 475,436 | $10,193,349 | — | — | — | |
| Susquehanna International Group, Llp | 0.01% | 473,543 | $10,152,762 | — | — | — | |
| Gabelli Funds Llc | 0.07% | 464,097 | $9,950,240 | — | — | — | |
| Cinctive Capital Management Lp | 0.63% | 450,000 | $9,648,000 | — | — | — | |
| Aqr Capital Management Llc | 0.00% | 444,467 | $9,529,373 | — | — | — | |
| Kennedy Capital Management Llc | 0.20% | 436,732 | $9,363,534 | — | — | — | |
| Squarepoint Ops Llc | 0.02% | 415,706 | $8,912,737 | — | — | — | |
| Hennion & Walsh Asset Management, Inc. | 0.26% | 367,134 | $7,871,353 | — | — | — | |
| Lmr Partners Llp | 0.07% | 362,641 | $7,775,023 | — | — | — | |
| Bnp Paribas Financial Markets | 0.00% | 337,767 | $7,241,724 | — | — | — |
Frequently asked questions about DAWN
Who owns the most DAWN stock?
The largest holders of DAWN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for DAY ONE BIOPHARMACEUTICALS I (DAWN).
Is DAWN widely held by superinvestors?
Many widely followed stocks like DAWN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly DAWN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.