Citigroup’s T-REX 2X Long RBLX Daily Target ETF RBLU Stock Holding History

Citigroup’s Portfolio RBLU Stock Details RBLU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$18	Buy	+2	New	+$17	﹤0.01%	5580
2026 Q1	–	Sell	-1	Closed	-$29	–	6514
2025 Q4	$29	Buy	+1	New	+$56	﹤0.01%	5750

Other funds holding RBLU

Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

TRCT

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

Citigroup's RBLU Position: Q2 2026 in Review

Citigroup opened a new position in T-REX 2X Long RBLX Daily Target ETF (RBLU) in Q2 2026: 2 shares worth $18. The stake represents ﹤0.01% of the portfolio and ranks #5580 among its holdings. This is a return to the name: Citigroup previously reported a position in RBLU as recently as Q4 2025.

Citigroup first reported a position in RBLU in Q4 2025 and has held it in 2 quarters since. The position peaked at $29 in Q4 2025. 7 funds tracked by Wall St. Rank hold RBLU as of Q2 2026.

Citigroup held 2 shares of T-REX 2X Long RBLX Daily Target ETF worth $18 as of Q2 2026.
T-REX 2X Long RBLX Daily Target ETF was a new Citigroup position in Q2 2026.
T-REX 2X Long RBLX Daily Target ETF made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #5580 holding.
Citigroup first reported a position in T-REX 2X Long RBLX Daily Target ETF in Q4 2025 and has held it in 2 quarters since.
Citigroup's T-REX 2X Long RBLX Daily Target ETF position peaked at $29 in Q4 2025.
7 funds tracked by Wall St. Rank held T-REX 2X Long RBLX Daily Target ETF as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.