J-Star Holding Co
YMAT
2 hedge funds and large institutions have $101K invested in J-Star Holding Co in 2025 Q3 according to their latest regulatory filings, with 2 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
0.1% more ownership
Funds ownership: 0% → 0.1% (+0.1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$200K |
| 2 |
TSS
Two Sigma Securities
New York
|
+$45K |
Top Sellers
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $82.2K | +$200K | +13,706 | New |
|
|
TSS
2
Two Sigma Securities
New York
| $18.5K | +$45K | +3,088 | New |
|
YMAT Hedge Fund Activity: Q3 2025 in Review
2 of the 7,627 institutional investors tracked by Wall St. Rank reported a position in J-Star Holding Co (YMAT) for Q3 2025, worth a combined $101K.
Buyers outnumbered sellers: 2 funds opened new YMAT positions and 0 closed out — a net gain of 2 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $200K.
- 2 institutional investors held J-Star Holding Co (YMAT) as of Q3 2025, up from 0 in Q2 2025.
- Funds reported $101K of J-Star Holding Co stock for Q3 2025.
- 2 funds opened new J-Star Holding Co positions in Q3 2025 and 0 closed out, a net change of +2 holders.
- The largest J-Star Holding Co buyer in Q3 2025 was Citadel Advisors, an estimated $200K added.
Based on aggregated 13F filings for Q3 2025.