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
2015
Q3
Sell
-11,800
Closed -$411K 4166
2015
Q2
$411K Sell
11,800
-20,600
-64% -$789K ﹤0.01% 2483
2015
Q1
$1.4M Buy
32,400
+6,600
+26% +$285K 0.01% 1110
2014
Q4
$1.04M Sell
25,800
-30,200
-54% -$1.12M 0.01% 1003
2014
Q3
$1.9M Buy
+56,000
New +$1.86M 0.02% 617

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.