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

Mariner’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 Q2	$652K	Sell	18,663 -95,302	-84%	-$3.39M	﹤0.01%	2286
2026 Q1	$4M	Buy	+113,965	New	+$3.91M	﹤0.01%	1141
2016 Q4	–	Sell	-1,882	Closed	-$59K	–	766
2016 Q3	$59K	Buy	+1,882	New	+$58.9K	﹤0.01%	633
2013 Q4	–	Sell	-3,411	Closed	-$257K	–	360
2013 Q3	$257K	Sell	3,411 -528	-13%	-$40.7K	0.05%	255
2013 Q2	$285K	Buy	+3,939	New	+$257K	0.06%	215

Other funds holding TBT

CastleKnight Management New York $7.38B AUM 133.13% 1-Year Est. Return

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

PCP

Proficio Capital Partners Newton, Massachusetts $2.79B AUM 27.93% 1-Year Est. Return

Empowered Funds Havertown, Pennsylvania $19B AUM 51.73% 1-Year Est. Return

JFG

Jefferies Financial Group New York $15.2B AUM 55.75% 1-Year Est. Return

JSSH

J. Safra Sarasin Holding $6.97B AUM 32.91% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

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

CFA

Camarda Financial Advisors Fleming Island, Florida $331M AUM 81.85% 1-Year Est. Return

WIM

WealthPlan Investment Management Omaha, Nebraska $2.01B AUM 27.28% 1-Year Est. Return

Mariner's TBT Position: Q2 2026 in Review

Mariner reduced its ProShares Trust UltraShort Lehman 20+ Year Treasury (TBT) stake by 84% in Q2 2026, selling an estimated $3.39M and leaving 18,663 shares worth $652K. The position accounts for ﹤0.01% of the portfolio, ranked #2286.

Mariner first reported a position in TBT in Q2 2013 and has held it in 5 quarters since. The position peaked at $4M in Q1 2026. 58 funds tracked by Wall St. Rank hold TBT as of Q2 2026.

Mariner held 18,663 shares of ProShares Trust UltraShort Lehman 20+ Year Treasury worth $652K as of Q2 2026.
Mariner sold 95,302 ProShares Trust UltraShort Lehman 20+ Year Treasury shares in Q2 2026, an estimated $3.39M.
ProShares Trust UltraShort Lehman 20+ Year Treasury made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2286 holding.
Mariner first reported a position in ProShares Trust UltraShort Lehman 20+ Year Treasury in Q2 2013 and has held it in 5 quarters since.
Mariner's ProShares Trust UltraShort Lehman 20+ Year Treasury position peaked at $4M in Q1 2026.
58 funds tracked by Wall St. Rank held ProShares Trust UltraShort Lehman 20+ Year Treasury as of Q2 2026.

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