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: Q1 2026 in Review

Jane Street sold out of ProShares Ultra 20+ Year Treasury (UBT) in Q1 2026, closing a stake of 114,182 shares — an estimated $1.89M sold.

Jane Street first reported a position in UBT in Q4 2013 and held it in 39 quarters. The position peaked at $20.5M in Q3 2018. 11 funds tracked by Wall St. Rank hold UBT as of Q1 2026.

  • Jane Street reported no remaining ProShares Ultra 20+ Year Treasury position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 114,182 ProShares Ultra 20+ Year Treasury shares in Q1 2026, an estimated $1.89M.
  • Jane Street first reported a position in ProShares Ultra 20+ Year Treasury in Q4 2013 and held it in 39 quarters.
  • Jane Street's ProShares Ultra 20+ Year Treasury position peaked at $20.5M in Q3 2018.
  • 11 funds tracked by Wall St. Rank held ProShares Ultra 20+ Year Treasury as of Q1 2026.

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