BlossomHill Therapeutics, Inc.
11.80%
3,615,362
1839970
Aug 5, 2026
Aug 13, 2026, 04:12 PM
Reporting Persons (10)
This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.
| Name | Type | % of Class | Aggregate | Sole Voting | Shared Voting |
|---|---|---|---|---|---|
| Chen Bihua | Individual | 11.80% | 3,615,362 | 1,328 | 3,614,034 |
| Cormorant Asset Management, LP | Investment Adviser | 11.79% | 3,614,034 | 0 | 3,614,034 |
| Cormorant Private Healthcare Fund III, LP | Partnership | 4.01% | 1,228,315 | 0 | 1,228,315 |
| Cormorant Private Healthcare GP III, LLC | Other | 4.01% | 1,228,315 | 0 | 1,228,315 |
| Cormorant Private Healthcare GP V, LLC | Other | 3.43% | 1,052,460 | 0 | 1,052,460 |
| Cormorant Private Healthcare Fund V, LP | Partnership | 3.43% | 1,052,460 | 0 | 1,052,460 |
| Cormorant Global Healthcare Master Fund, LP | Partnership | 3.13% | 959,090 | 0 | 959,090 |
| Cormorant Global Healthcare GP, LLC | Other | 3.13% | 959,090 | 0 | 959,090 |
| Cormorant Private Healthcare Fund VI, LP | Partnership | 1.22% | 374,169 | 0 | 374,169 |
| Cormorant Private Healthcare GP VI, LLC | Other | 1.22% | 374,169 | 0 | 374,169 |
Disclosure Items (7)
Common Stock, $0.0001 par value per share
BlossomHill Therapeutics, Inc.
10255 Science Center Drive, San Diego, CA, 92121
Cormorant Global Healthcare Master Fund, LP Cormorant Global Healthcare GP, LLC Cormorant Private Healthcare Fund III, LP Cormorant Private Healthcare GP III, LLC Cormorant Private Healthcare Fund V, LP Cormorant Private Healthcare GP V, LLC Cormorant Private Healthcare Fund VI, LP Cormorant Private Healthcare GP VI, LLC Cormorant Asset Management, LP Bihua Chen
200 Clarendon Street, 50th Floor Boston, MA 02116
The principal business of the Reporting Persons, other than Bihua Chen, is investing in securities and providing investment management services. Bihua Chen serves as the managing member of the general partners of the investment funds identified in Item 2(a) and of Cormorant Asset Management GP, LLC, the general partner of Cormorant Asset Management, LP, which serves as investment manager to such funds. Bihua Chen is also a director of the Issuer.
None of the Reporting Persons has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or State securities laws or finding any violation with respect to such laws.
Cormorant Global Healthcare Master Fund, LP - Cayman Islands Cormorant Global Healthcare GP, LLC - Delaware Cormorant Private Healthcare Fund III, LP - Delaware Cormorant Private Healthcare GP III, LLC - Delaware Cormorant Private Healthcare Fund V, LP - Delaware Cormorant Private Healthcare GP V, LLC - Delaware Cormorant Private Healthcare Fund VI, LP - Delaware Cormorant Private Healthcare GP VI, LLC - Delaware Cormorant Asset Management, LP - Delaware Bihua Chen - United States
Of the Common Stock reported herein as being beneficially owned by the Reporting Persons, 1,599,993 and 1,701,541 shares were issued upon the automatic conversion of shares of Series A Preferred Stock and Series B Preferred Stock, respectively, upon the closing of the Issuer's initial public offering on August 10, 2026. The shares of Series A Preferred Stock and Series B Preferred Stock were purchased in private sales for approximately $49,999,990.59 using working capital of the Reporting Persons. The remaining 312,500 shares of Common Stock were purchased from the underwriters of the Issuer's initial public offering in connection with such offering for aggregate consideration of $5,000,000 (as reported in Item 5 below), the consideration for which was paid using working capital of the Reporting Persons. In addition, Bihua Chen was granted a stock option to purchase up to 23,904 shares of Common Stock at a price of $16.00 per share for her service as a director of the Issuer, which option vests in equal monthly installments over three years from the August 6, 2026 date of grant.
See Items 7-13 of the cover page and Item 2.
See Items 7-13 of the cover page and Item 2. The percentages reported herein with respect to the Reporting Persons' holdings are calculated based upon 30,643,660 shares of Common Stock outstanding following the closing of the Issuer's initial public offering, as reported in the Prospectus filed by the Issuer on August 7, 2026. The shares reported for Bihua Chen include 1,328 shares of Common Stock that she has the right to receive within 60 days upon the exercise of a stock option to purchase 21,248 shares of Common Stock granted to her in her capacity as a director of the Issuer.
On August 10, 2026, Cormorant Global Healthcare Master Fund, LP acquired 312,500 shares of Common Stock in the Issuer's initial public offering at a price of $16.00 per share.
Not applicable.
Not applicable.
In connection with their purchase of Series A Preferred Stock and Series B Preferred Stock, the Reporting Persons have certain rights with respect to the registration under the Securities Act of 1933, as amended, of Common Stock held by the Reporting Persons, pursuant to the Third Amended and Restated Investor Rights Agreement, dated as of December 28, 2023 (the "Investor Rights Agreement"), by and among the Issuer and the investors named therein. These rights include demand registration rights, Form S-3 registration rights and piggyback registration rights. This summary is qualified in its entirety by reference to the Investor Rights Agreement, which is incorporated by reference herein.
Exhibit 99.1 Joint Filing Agreement, by and among the Reporting Persons. Exhibit 99.2 Third Amended and Restated Investor Rights Agreement, dated as of December 28, 2023, by and among the Issuer and the investors named therein (incorporated by reference to Exhibit 4.2 to the Issuer's Registration Statement on Form S-1).