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ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT

Fund managers haven’t disclosed any holdings of TBT yet.

TBT Hedge Fund Activity: Q1 2026 in Review

50 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in ProShares Trust UltraShort Lehman 20+ Year Treasury (TBT) for Q1 2026, worth a combined $72.8M — up 0.68% from $72.3M a quarter earlier.

Sellers outnumbered buyers: 13 funds closed out of TBT and 11 opened new positions — a net loss of 2 holders — while 10 trimmed existing stakes and 12 added.

The largest buyer was Mariner, opening a new position worth an estimated $3.91M. The largest seller was UBS Group, cutting an estimated $3.08M.

  • 50 institutional investors held ProShares Trust UltraShort Lehman 20+ Year Treasury (TBT) as of Q1 2026, down from 52 in Q4 2025.
  • Funds reported $72.8M of ProShares Trust UltraShort Lehman 20+ Year Treasury stock for Q1 2026, up 0.68% quarter-over-quarter.
  • 11 funds opened new ProShares Trust UltraShort Lehman 20+ Year Treasury positions in Q1 2026 and 13 closed out, a net change of -2 holders.
  • The largest ProShares Trust UltraShort Lehman 20+ Year Treasury buyer in Q1 2026 was Mariner, an estimated $3.91M added.
  • The largest ProShares Trust UltraShort Lehman 20+ Year Treasury seller in Q1 2026 was UBS Group, an estimated $3.08M sold.

Based on aggregated 13F filings for Q1 2026.