STOCK TITAN

Cormorant funds hold BlossomHill IPO-convertible stakes

BlossomHill Therapeutics, Inc. (BLSM) reported the initial beneficial ownership of certain Cormorant-managed investment funds and related entities.

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

BlossomHill Therapeutics, Inc. (BLSM) reported the initial beneficial ownership of certain Cormorant-managed investment funds and related entities. The filing lists indirect holdings of Series A Preferred Stock and Series B Preferred Stock, each share of which is convertible into 1 share of common stock upon the closing of the company’s initial public offering without further consideration, with no expiration date. The positions correspond to 1,599,993 underlying common shares from Series A and 1,701,541 underlying common shares from Series B. The interests are held through Cormorant Global Healthcare Master Fund, LP and several Cormorant Private Healthcare Funds, with Cormorant Asset Management, LP as investment manager and Bihua Chen as manager. Each reporting person disclaims beneficial ownership beyond its or her pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Chen Bihua, Cormorant Asset Management, LP, Cormorant Global Healthcare Master Fund, LP, Cormorant Private Healthcare Fund III LP, Cormorant Private Healthcare Fund V LP, Cormorant Private Healthcare Fund VI, LP
Role Director, 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner
Type Security Shares Price Value
holding Series A Preferred Stock F1, F2, F3, F4 -- -- --
holding Series B Preferred Stock F1, F5, F3, F4 -- -- --
Holdings After Transaction: Series A Preferred Stock — 1,599,993 contracts (Indirect, See footnote); Series B Preferred Stock — 1,701,541 contracts (Indirect, See Footnote)
Footnotes (5)
  1. F1. Each share of Series A Preferred Stock and Series B Preferred Stock (together, the "Preferred Stock") is convertible into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The Preferred Stock has no expiration date.
  2. F2. Represents (i) 1,228,315 shares issuable upon conversion of shares of Series A Preferred Stock beneficially owned by Fund III (defined below), (ii) 371,678 shares issuable upon conversion of shares of Series A Preferred Stock beneficially owned by Master Fund (defined below).
  3. F3. Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund III, LP ("Fund III"), Cormorant Private Healthcare Fund V, LP ("Fund V") and Cormorant Private Healthcare Fund VI, LP ("Fund VI"). Cormorant Global Healthcare GP, LLC ("GP LLC"), Cormorant Private Healthcare GP III, LLC ("GP III"), Cormorant Private Healthcare GP V, LLC ("GP V") and Cormorant Private Healthcare GP VI, LLC ("GP VI") serve as General Partner of the Master Fund, Fund III, Fund V and Fund VI, respectively.
  4. F4. Bihua Chen serves as manager of Cormorant, GP LLC, GP III, GP V and GP VI. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 3 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.
  5. F5. Represents (i) 274,912 shares issuable upon conversion of shares of Series B Preferred Stock beneficially owned by Master Fund (defined above), (ii) 1,052,460 shares issuable upon conversion of shares of Series B Preferred Stock beneficially owned by Fund V (defined above) and (iii) 374,169 shares issuable upon conversion of shares of Series B Preferred Stock beneficially owned by Fund VI (defined above).
Underlying common shares from Series A Preferred Stock 1,599,993 shares Indirect holdings convertible into common stock upon IPO closing
Underlying common shares from Series B Preferred Stock 1,701,541 shares Indirect holdings convertible into common stock upon IPO closing
Series A underlying shares - Fund III portion 1,228,315 shares Common shares issuable upon conversion of Series A held by Fund III
Series A underlying shares - Master Fund portion 371,678 shares Common shares issuable upon conversion of Series A held by Master Fund
Series B underlying shares - Master Fund portion 274,912 shares Common shares issuable upon conversion of Series B held by Master Fund
Series B underlying shares - Fund V portion 1,052,460 shares Common shares issuable upon conversion of Series B held by Fund V
Series B underlying shares - Fund VI portion 374,169 shares Common shares issuable upon conversion of Series B held by Fund VI
Preferred Stock financial
"Each share of Series A Preferred Stock and Series B Preferred Stock"
Preferred stock is a type of ownership in a company that typically offers investors higher and more consistent dividend payments than common stock. Unlike regular shares, preferred stock usually doesn’t come with voting rights but provides a priority claim on the company’s assets and profits, making it a more stable and predictable investment option. This makes preferred stock attractive to those seeking steady income with lower risk.
convertible financial
"is convertible into 1 share of Common Stock upon the closing"
A convertible is a type of investment that starts as a loan or preferred stake (like a bond or preferred share) but can be exchanged for common shares of the company at a set price or under certain conditions. It matters to investors because it offers a mix of steady income and downside protection like a loan, plus the upside of stock ownership if the company does well—similar to holding a coupon that you can trade for a full ticket if the event becomes valuable.
initial public offering financial
"upon the closing of the Issuer's initial public offering without payment"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
pecuniary interest financial
"disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest"
beneficial ownership financial
"shall not be construed as an admission that any of the Reporting Persons is the beneficial owner"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 3 filing for BlossomHill Therapeutics (BLSM) disclose?

The Form 3 filing discloses initial beneficial ownership of BlossomHill Therapeutics by Cormorant-managed funds and Bihua Chen, including indirect holdings of Series A and B Preferred Stock that are convertible into common shares upon the company’s initial public offering.

How many BlossomHill Therapeutics (BLSM) common shares are underlying the Series A Preferred Stock?

The filing reports that Series A Preferred Stock is convertible into 1,599,993 underlying common shares, including 1,228,315 shares tied to Fund III and 371,678 shares tied to the Master Fund, all held indirectly through Cormorant-managed investment vehicles.

How many BlossomHill Therapeutics (BLSM) common shares are underlying the Series B Preferred Stock?

The filing reports that Series B Preferred Stock is convertible into 1,701,541 underlying common shares, including 274,912 for the Master Fund, 1,052,460 for Fund V, and 374,169 for Fund VI, all held indirectly through Cormorant-managed funds.

When do the BlossomHill Therapeutics (BLSM) preferred shares convert into common stock?

Each share of BlossomHill’s Series A and Series B Preferred Stock automatically converts into 1 share of common stock upon the closing of the company’s initial public offering, without payment of further consideration, and the preferred stock has no expiration date.

Who are the reporting persons in the BlossomHill Therapeutics (BLSM) Form 3?

Reporting persons include Bihua Chen, Cormorant Asset Management, LP, Cormorant Global Healthcare Master Fund, LP, and several Cormorant Private Healthcare Funds, all listed as ten percent owners, with some funds potentially deemed directors by deputization through board representation.

Do the Cormorant entities and Bihua Chen claim full beneficial ownership of BLSM shares?

No. The filing states that each reporting person disclaims beneficial ownership of the reported shares except to the extent of its or her pecuniary interest, and clarifies that the Form 3 should not be construed as an admission of beneficial ownership for any purpose.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Chen Bihua

(Last)(First)(Middle)
C/O CORMORANT ASSET MANAGEMENT LP
200 CLARENDON STREET, 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
08/06/2026
3. Issuer Name and Ticker or Trading Symbol
BlossomHill Therapeutics, Inc. [ BLSM ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Series A Preferred Stock (1) (1)Common Stock1,599,993(2)(1)ISee footnote(3)(4)
Series B Preferred Stock (1) (1)Common Stock1,701,541(5)(1)ISee Footnote(3)(4)
1. Name and Address of Reporting Person*
Chen Bihua

(Last)(First)(Middle)
C/O CORMORANT ASSET MANAGEMENT LP
200 CLARENDON STREET, 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Cormorant Asset Management, LP

(Last)(First)(Middle)
200 CLARENDON STREET 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Cormorant Global Healthcare Master Fund, LP

(Last)(First)(Middle)
200 CLARENDON STREET 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Cormorant Private Healthcare Fund III LP

(Last)(First)(Middle)
200 CLARENDON STREET 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Cormorant Private Healthcare Fund V LP

(Last)(First)(Middle)
200 CLARENDON STREET 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Cormorant Private Healthcare Fund VI, LP

(Last)(First)(Middle)
200 CLARENDON STREET 50TH FLOOR

(Street)
BOSTON MASSACHUSETTS 02116

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. Each share of Series A Preferred Stock and Series B Preferred Stock (together, the "Preferred Stock") is convertible into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The Preferred Stock has no expiration date.
2. Represents (i) 1,228,315 shares issuable upon conversion of shares of Series A Preferred Stock beneficially owned by Fund III (defined below), (ii) 371,678 shares issuable upon conversion of shares of Series A Preferred Stock beneficially owned by Master Fund (defined below).
3. Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund III, LP ("Fund III"), Cormorant Private Healthcare Fund V, LP ("Fund V") and Cormorant Private Healthcare Fund VI, LP ("Fund VI"). Cormorant Global Healthcare GP, LLC ("GP LLC"), Cormorant Private Healthcare GP III, LLC ("GP III"), Cormorant Private Healthcare GP V, LLC ("GP V") and Cormorant Private Healthcare GP VI, LLC ("GP VI") serve as General Partner of the Master Fund, Fund III, Fund V and Fund VI, respectively.
4. Bihua Chen serves as manager of Cormorant, GP LLC, GP III, GP V and GP VI. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 3 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.
5. Represents (i) 274,912 shares issuable upon conversion of shares of Series B Preferred Stock beneficially owned by Master Fund (defined above), (ii) 1,052,460 shares issuable upon conversion of shares of Series B Preferred Stock beneficially owned by Fund V (defined above) and (iii) 374,169 shares issuable upon conversion of shares of Series B Preferred Stock beneficially owned by Fund VI (defined above).
Remarks:
Master Fund, Fund III, Fund V and Fund VI may be deemed directors by deputization by virtue of their representation on the board of directors of the Issuer.
/s/ Bihua Chen08/06/2026
CORMORANT ASSET MANAGEMENT, LP By: /s/ Bihua Chen, Managing Member08/06/2026
CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP By: Cormorant Global Healthcare GP, LLC, its General Partner By: /s/ Bihua Chen, Managing Member08/06/2026
CORMORANT PRIVATE HEALTHCARE FUND III, LP By: Cormorant Private Healthcare GP III, LLC, its General Partner By: /s/ Bihua Chen, Managing Member08/06/2026
CORMORANT PRIVATE HEALTHCARE FUND V, LP By: Cormorant Private Healthcare GP V, LLC, its General Partner By: /s/ Bihua Chen, Managing Member08/06/2026
CORMORANT PRIVATE HEALTHCARE FUND VI, LP By: Cormorant Private Healthcare GP VI, LLC, its General Partner By: /s/ Bihua Chen, Managing Member08/06/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

Keep reading