J-Star Holding Co., Ltd.
YMAT- Exchange
- Nasdaq
- Industry
- Sporting & Athletic Goods, NEC
- SEC CIK
- 0001875016
No open-market purchases or sales by J-Star Holding Co., Ltd. insiders were filed in the last 90 days; 4 institutions reported holding it in 13F filings for Q2 2026, worth $35.3K in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding J-Star Holding Co., Ltd. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 2 | 3 | +1 |
| Shares | 84.0K | 50.0K | −34.0K (−40.5%) |
| Value | $100.8K | $23.7K | −$77.1K (−76.5%) |
New holders (2)
Institutions that held J-Star Holding Co., Ltd. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| HRT Financial LP | 35,647 | $17.0K | 0.00% |
| UBS Group AG | 719 | $335 | 0.00% |
Sold out (1)
Institutions that held J-Star Holding Co., Ltd. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Citadel Advisors LLC | 68,530 | $82.2K |