Jane Street’s ProShares Ultra 20+ Year Treasury UBT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2016
Q4
Sell
-16,000
Closed -$777K 4638
2016
Q3
$777K Sell
16,000
-2,000
-11% -$98.4K ﹤0.01% 2259
2016
Q2
$881K Sell
18,000
-2,000
-10% -$88.7K ﹤0.01% 2134
2016
Q1
$869K Buy
+20,000
New +$833K ﹤0.01% 1985
2015
Q3
Sell
-27,800
Closed -$969K 4167
2015
Q2
$969K Sell
27,800
-12,600
-31% -$483K 0.01% 1592
2015
Q1
$1.75M Buy
+40,400
New +$1.74M 0.01% 960

Other funds holding UBT

Jane Street's UBT Position: Q2 2026 in Review

Jane Street opened a new position in ProShares Ultra 20+ Year Treasury (UBT) in Q2 2026: 27,831 shares worth $454K. The stake represents ﹤0.01% of the portfolio and ranks #8248 among its holdings. This is a return to the name: Jane Street previously reported a position in UBT as recently as Q4 2025.

Jane Street first reported a position in UBT in Q4 2013 and has held it in 40 quarters since. The position peaked at $20.5M in Q3 2018. 13 funds tracked by Wall St. Rank hold UBT as of Q2 2026.

  • Jane Street held 27,831 shares of ProShares Ultra 20+ Year Treasury worth $454K as of Q2 2026.
  • ProShares Ultra 20+ Year Treasury was a new Jane Street position in Q2 2026.
  • ProShares Ultra 20+ Year Treasury made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #8248 holding.
  • Jane Street first reported a position in ProShares Ultra 20+ Year Treasury in Q4 2013 and has held it in 40 quarters since.
  • Jane Street's ProShares Ultra 20+ Year Treasury position peaked at $20.5M in Q3 2018.
  • 13 funds tracked by Wall St. Rank held ProShares Ultra 20+ Year Treasury as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.