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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +2 vs. previous quarter
- 4
- 13F valueReported value at the end of Q2 2026
- $35.3K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding YMAT, Q2 2026
No superinvestor reported holding YMAT at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by J-Star Holding Co., Ltd. insiders from Form 4, newest first.
No open-market purchases or sales by J-Star Holding Co., Ltd. insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in J-Star Holding Co., Ltd. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| StoneX Group Inc. | 12,218 | $13.8K | 0.00% | +12,218 | New |
| XTX Topco Ltd | 20,705 | $11.1K | 0.00% | +6,721+48.1% | Added |
| Tower Research Capital LLC (TRC) | 13,500 | $7.21K | 0.00% | +13,500 | New |
| UBS Group AG | 5,963 | $3.18K | 0.00% | +5,963 | New |