Ownership

13F as of Q2 2026 · 14.0M shares outstanding

J-Star Holding Co Ltd is not yet matched to a CUSIP, so institutional (13F) holdings cannot be attributed to it. The sections below that come from its own filings still apply.

Who owns YMAT?

By type of holder

Institutions 0.0% Insiders 0.0% Everyone else 100.0%

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 J-Star Holding Co Ltd in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for J-Star Holding Co Ltd.

How patient are the owners?

No 13F manager reports holding YMAT.

Super Investors

Investment managers reporting YMAT on Form 13F

No 13F manager reports holding YMAT yet.

Institutional Funds

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

No fund reports holding YMAT yet.

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