Citadel Advisors’s Tradr 2X Long MDB Daily ETF MDBX Stock Holding History

Citadel Advisors’s Portfolio MDBX Stock Details MDBX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-9,445	Closed	-$672K	–	14776
2025 Q4	$672K	Buy	+9,445	New	+$531K	﹤0.01%	8293

Other funds holding MDBX

Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Citigroup New York $235B AUM 32.99% 1-Year Est. Return

Citadel Advisors's MDBX Position: Q1 2026 in Review

Citadel Advisors sold out of Tradr 2X Long MDB Daily ETF (MDBX) in Q1 2026, closing a stake of 9,445 shares — an estimated $672K sold.

Citadel Advisors first reported a position in MDBX in Q4 2025 and held it in 1 quarter. The position peaked at $672K in Q4 2025. 4 funds tracked by Wall St. Rank hold MDBX as of Q1 2026.

Citadel Advisors reported no remaining Tradr 2X Long MDB Daily ETF position as of Q1 2026 after selling out during the quarter.
Citadel Advisors sold 9,445 Tradr 2X Long MDB Daily ETF shares in Q1 2026, an estimated $672K.
Citadel Advisors first reported a position in Tradr 2X Long MDB Daily ETF in Q4 2025 and held it in 1 quarter.
Citadel Advisors's Tradr 2X Long MDB Daily ETF position peaked at $672K in Q4 2025.
4 funds tracked by Wall St. Rank held Tradr 2X Long MDB Daily ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.