XT
YMAT

XTX Topco’s J-Star Holding Co YMAT Stock Holding History

XTX Topco’s Portfolio YMAT Stock Details YMAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$11.1K Buy
4,141
+1,344
+48% +$4.01K ﹤0.01% 4013
2026
Q1 		$3.93K Buy
+2,797
New +$6.04K ﹤0.01% 3760

Other funds holding YMAT

SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

XTX Topco's YMAT Position: Q2 2026 in Review

XTX Topco increased its J-Star Holding Co (YMAT) stake by 48% in Q2 2026, buying an estimated $4.01K and bringing the position to 4,141 shares worth $11.1K. The position accounts for ﹤0.01% of the portfolio, ranked #4013.

XTX Topco first reported a position in YMAT in Q1 2026 and has held it in 2 quarters since. 4 funds tracked by Wall St. Rank hold YMAT as of Q2 2026.

  • XTX Topco held 4,141 shares of J-Star Holding Co worth $11.1K as of Q2 2026.
  • XTX Topco bought 1,344 J-Star Holding Co shares in Q2 2026, an estimated $4.01K.
  • J-Star Holding Co made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #4013 holding.
  • XTX Topco first reported a position in J-Star Holding Co in Q1 2026 and has held it in 2 quarters since.
  • 4 funds tracked by Wall St. Rank held J-Star Holding Co as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.