CastleKnight Management’s ProShares Trust UltraShort Lehman 20+ Year Treasury TBT Stock Holding History

CastleKnight Management’s Portfolio TBT Stock Details TBT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-100,000	Closed	-$3.49M	–	491
2025 Q4	$3.49M	Buy	100,000 +50,000	+100%	+$1.68M	0.08%	146
2025 Q3	$1.69M	Buy	+50,000	New	+$1.78M	0.03%	259
2025 Q1	–	Sell	-120,000	Closed	-$4.39M	–	416
2024 Q4	$4.39M	Buy	+120,000	New	+$4.04M	0.13%	100
2022 Q4	–	Sell	-40,000	Closed	-$1.27M	–	254
2022 Q3	$1.27M	Buy	+40,000	New	+$1.07M	0.18%	71

Other funds holding TBT

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

Mariner Overland Park, Kansas $85.7B AUM 24.21% 1-Year Est. Return

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

JSSH

J. Safra Sarasin Holding $5.87B AUM 24.95% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

JFG

Jefferies Financial Group New York $14.6B AUM 40.95% 1-Year Est. Return

VCM

Virtue Capital Management Brentwood, Tennessee $657M AUM 24.18% 1-Year Est. Return

VAM

Verity Asset Management Durham, North Carolina $238M AUM 24.8% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

CastleKnight Management's TBT Position: Q1 2026 in Review

CastleKnight Management increased its ProShares Trust UltraShort Lehman 20+ Year Treasury (TBT) stake by 13% in Q1 2026, buying an estimated $2.73M and bringing the position to 684,449 shares worth $24.1M. The position accounts for 0.4% of the portfolio, ranked #32.

CastleKnight Management first reported a position in TBT in Q4 2021 and has held it in 18 quarters since. 50 funds tracked by Wall St. Rank hold TBT as of Q1 2026.

CastleKnight Management held 684,449 shares of ProShares Trust UltraShort Lehman 20+ Year Treasury worth $24.1M as of Q1 2026.
CastleKnight Management bought 79,500 ProShares Trust UltraShort Lehman 20+ Year Treasury shares in Q1 2026, an estimated $2.73M.
ProShares Trust UltraShort Lehman 20+ Year Treasury made up 0.4% of CastleKnight Management's portfolio in Q1 2026, its #32 holding.
CastleKnight Management first reported a position in ProShares Trust UltraShort Lehman 20+ Year Treasury in Q4 2021 and has held it in 18 quarters since.
50 funds tracked by Wall St. Rank held ProShares Trust UltraShort Lehman 20+ Year Treasury as of Q1 2026.

Based on CastleKnight Management's 13F filing for Q1 2026, filed 15 May 2026.