Simplex Trading’s ProShares UltraShort Bitcoin ETF SBIT Stock Holding History

Simplex Trading’s Portfolio SBIT Stock Details SBIT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$481K	Sell	8,445 -45,460	-84%	-$2.38M	﹤0.01%	3312
2025 Q4	$2.37M	Buy	+53,905	New	+$1.98M	﹤0.01%	1839
2025 Q3	–	Sell	-171	Closed	-$5K	–	10276
2025 Q2	$5K	Sell	171 -491	-74%	-$21.6K	﹤0.01%	7793
2025 Q1	$43K	Sell	662 -139	-17%	-$7.82K	﹤0.01%	5934
2024 Q4	$47K	Buy	+801	New	+$76.9K	﹤0.01%	5952
2024 Q3	–	Sell	-1	Closed	–	–	9764
2024 Q2	$0	Buy	+1	New	+$209	﹤0.01%	10017

Other funds holding SBIT

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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

RAM

Revere Asset Management Dallas, Texas $195M AUM 80.44% 1-Year Est. Return

StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return

FTUS

Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return

Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

Simplex Trading's SBIT Position: Q1 2026 in Review

Simplex Trading reduced its ProShares UltraShort Bitcoin ETF (SBIT) stake by 84% in Q1 2026, selling an estimated $2.38M and leaving 8,445 shares worth $481K. The position accounts for ﹤0.01% of the portfolio, ranked #3312.

Simplex Trading first reported a position in SBIT in Q2 2024 and has held it in 6 quarters since. The position peaked at $2.37M in Q4 2025. 12 funds tracked by Wall St. Rank hold SBIT as of Q1 2026.

Simplex Trading held 8,445 shares of ProShares UltraShort Bitcoin ETF worth $481K as of Q1 2026.
Simplex Trading sold 45,460 ProShares UltraShort Bitcoin ETF shares in Q1 2026, an estimated $2.38M.
ProShares UltraShort Bitcoin ETF made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3312 holding.
Simplex Trading first reported a position in ProShares UltraShort Bitcoin ETF in Q2 2024 and has held it in 6 quarters since.
Simplex Trading's ProShares UltraShort Bitcoin ETF position peaked at $2.37M in Q4 2025.
12 funds tracked by Wall St. Rank held ProShares UltraShort Bitcoin ETF as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.