Citadel Advisors’s J-Star Holding Co YMAT Stock Holding History

Citadel Advisors’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	–	Sell	-4,432	Closed	-$6.23K	–	15309
2026 Q1	$6.23K	Buy	+4,432	New	+$9.56K	﹤0.01%	12802
2025 Q4	–	Sell	-13,706	Closed	-$82.2K	–	14668
2025 Q3	$82.2K	Buy	+13,706	New	+$200K	﹤0.01%	11956

Other funds holding YMAT

StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Citadel Advisors's YMAT Position: Q2 2026 in Review

Citadel Advisors sold out of J-Star Holding Co (YMAT) in Q2 2026, closing a stake of 4,432 shares — an estimated $6.23K sold.

Citadel Advisors first reported a position in YMAT in Q3 2025 and held it in 2 quarters. The position peaked at $82.2K in Q3 2025. 4 funds tracked by Wall St. Rank hold YMAT as of Q2 2026.

Citadel Advisors reported no remaining J-Star Holding Co position as of Q2 2026 after selling out during the quarter.
Citadel Advisors sold 4,432 J-Star Holding Co shares in Q2 2026, an estimated $6.23K.
Citadel Advisors first reported a position in J-Star Holding Co in Q3 2025 and held it in 2 quarters.
Citadel Advisors's J-Star Holding Co position peaked at $82.2K in Q3 2025.
4 funds tracked by Wall St. Rank held J-Star Holding Co as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.