$BLSM

$16.39 +$1.76 (12.03%) Close

$BLSM Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 31.8M shares outstanding

Who owns BLSM?

By type of holder

Institutions 0.0% Insiders 56.1% Everyone else 43.9%

Concentration Top 10 holders own 83.3%

Cui Jingrong Jean 12.5% · Li Yishan 12.5%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

0 vs last qtr

Net shares bought

by institutions in Q2 2026

New / sold out

0 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

No 13F manager has reported this stock in the last 8 quarters.

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for BlossomHill Therapeutics Inc in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for BlossomHill Therapeutics Inc.

How patient are the owners?

No 13F manager reports holding BLSM.

Super Investors

Investment managers reporting BLSM on Form 13F

No 13F manager reports holding BLSM yet.

Institutional Funds

Mutual funds and ETFs reporting BLSM on Form N-PORT; together they hold 0.0% of the company

No fund reports holding BLSM yet.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
CJ Cui Jingrong Jean Insider	4.0M	12.50%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company12.500% Cui Jingrong Jean's insider activity →
LY Li Yishan Insider	4.0M	12.50%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company12.500% Li Yishan's insider activity →

Cui Jingrong Jean

Insider

4.0M

% of company

12.50%

Change vs last qtr

—

Held since

—

Li Yishan

Insider

4.0M

% of company

12.50%

Change vs last qtr

—

Held since

—

14 more holders behind a free account

See every insider and 5%+ holder of BlossomHill Therapeutics Inc.

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