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

Jane Street’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	$1.18M	Sell	33,600 -248,000	-88%	-$8.51M	﹤0.01%	6164
2025 Q4	$9.84M	Sell	281,600 -87,200	-24%	-$2.93M	﹤0.01%	2338
2025 Q3	$12.5M	Sell	368,800 -76,500	-17%	-$2.72M	﹤0.01%	2142
2025 Q2	$15.6M	Buy	445,300 +369,900	+491%	+$13.4M	﹤0.01%	1683
2025 Q1	$2.54M	Sell	75,400 -49,100	-39%	-$1.74M	﹤0.01%	3981
2024 Q4	$4.56M	Buy	124,500 +16,700	+15%	+$562K	﹤0.01%	2794
2024 Q3	$3.21M	Buy	+107,800	New	+$3.36M	﹤0.01%	3601
2022 Q2	–	Sell	-247,600	Closed	-$5.07M	–	10848
2022 Q1	$5.07M	Sell	247,600 -1,263,300	-84%	-$24.3M	﹤0.01%	3002
2021 Q4	$25.5M	Sell	1,510,900 -1,767,100	-54%	-$30.7M	0.01%	1010
2021 Q3	$60.2M	Sell	3,278,000 -1,508,600	-32%	-$26.4M	0.02%	528
2021 Q2	$90.1M	Buy	4,786,600 +114,500	+2%	+$2.33M	0.04%	341
2021 Q1	$102M	Buy	4,672,100 +3,187,500	+215%	+$61.7M	0.05%	262
2020 Q4	$24.4M	Buy	1,484,600 +840,700	+131%	+$13.8M	0.01%	756
2020 Q3	$10.1M	Buy	643,900 +166,300	+35%	+$2.56M	0.01%	1204
2020 Q2	$7.59M	Sell	477,600 -806,400	-63%	-$12.9M	0.01%	1403
2020 Q1	$20.6M	Buy	1,284,000 +3,500	+0.3%	+$75.7K	0.02%	441
2019 Q4	$34M	Buy	1,280,500 +542,200	+73%	+$13.8M	0.05%	254
2019 Q3	$18M	Buy	738,300 +658,400	+824%	+$17.3M	0.03%	385
2019 Q2	$2.31M	Sell	79,900 -312,700	-80%	-$9.98M	﹤0.01%	1755
2019 Q1	$12.7M	Buy	392,600 +68,800	+21%	+$2.41M	0.02%	575
2018 Q4	$11.4M	Sell	323,800 -832,700	-72%	-$32.6M	0.02%	514
2018 Q3	$44.3M	Buy	1,156,500 +90,600	+8%	+$3.33M	0.09%	150
2018 Q2	$38.3M	Sell	1,065,900 -151,900	-12%	-$5.68M	0.09%	163
2018 Q1	$44.2M	Sell	1,217,800 -353,800	-23%	-$13.1M	0.11%	137
2017 Q4	$53.1M	Buy	1,571,600 +915,300	+139%	+$31.9M	0.15%	114
2017 Q3	$23.4M	Sell	656,300 -158,000	-19%	-$5.57M	0.08%	233
2017 Q2	$29.2M	Buy	814,300 +466,400	+134%	+$17.3M	0.1%	180
2017 Q1	$13.6M	Sell	347,900 -215,500	-38%	-$8.6M	0.06%	285
2016 Q4	$23M	Sell	563,400 -256,400	-31%	-$9.68M	0.1%	164
2016 Q3	$25.9M	Sell	819,800 -210,800	-20%	-$6.6M	0.12%	152
2016 Q2	$32.7M	Sell	1,030,600 -639,700	-38%	-$22.8M	0.16%	115
2016 Q1	$61.6M	Buy	1,670,300 +621,400	+59%	+$24M	0.35%	49
2015 Q4	$46.2M	Sell	1,048,900 -866,500	-45%	-$38M	0.29%	59
2015 Q3	$83.1M	Buy	1,915,400 +684,500	+56%	+$31.4M	0.52%	30
2015 Q2	$61.3M	Buy	1,230,900 +365,700	+42%	+$17.1M	0.4%	34
2015 Q1	$36.2M	Sell	865,200 -818,700	-49%	-$34.9M	0.28%	66
2014 Q4	$78.1M	Buy	1,683,900 +1,015,800	+152%	+$51.8M	0.59%	24
2014 Q3	$37.6M	Buy	668,100 +185,600	+38%	+$10.8M	0.38%	44
2014 Q2	$29.3M	Buy	482,500 +189,600	+65%	+$12.1M	0.37%	54
2014 Q1	$19.8M	Sell	292,900 -471,150	-62%	-$33.7M	0.22%	72
2013 Q4	$60.5M	Buy	764,050 +392,900	+106%	+$30M	0.87%	15
2013 Q3	$27.9M	Buy	371,150 +40,425	+12%	+$3.12M	0.33%	47
2013 Q2	$24M	Buy	+330,725	New	+$21.6M	0.41%	32

Other funds holding TBT

CastleKnight Management New York $6B AUM 121.87% 1-Year Est. Return

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

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

Jane Street's TBT Position: Q1 2026 in Review

Jane Street increased its ProShares Trust UltraShort Lehman 20+ Year Treasury (TBT) stake by 77% in Q1 2026, buying an estimated $1.04M and bringing the position to 69,842 shares worth $2.45M. The position accounts for ﹤0.01% of the portfolio, ranked #4706.

Jane Street first reported a position in TBT in Q2 2013 and has held it in 45 quarters since. The position peaked at $201M in Q3 2023. 50 funds tracked by Wall St. Rank hold TBT as of Q1 2026.

Jane Street held 69,842 shares of ProShares Trust UltraShort Lehman 20+ Year Treasury worth $2.45M as of Q1 2026.
Jane Street bought 30,340 ProShares Trust UltraShort Lehman 20+ Year Treasury shares in Q1 2026, an estimated $1.04M.
ProShares Trust UltraShort Lehman 20+ Year Treasury made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4706 holding.
Jane Street first reported a position in ProShares Trust UltraShort Lehman 20+ Year Treasury in Q2 2013 and has held it in 45 quarters since.
Jane Street's ProShares Trust UltraShort Lehman 20+ Year Treasury position peaked at $201M in Q3 2023.
50 funds tracked by Wall St. Rank held ProShares Trust UltraShort Lehman 20+ Year Treasury as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.