Mariner’s ProShares Short 20+ Year Treasury ETF TBF Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$202K Hold
8,325
﹤0.01% 3160
2025
Q4
$201K Buy
+8,325
New +$197K ﹤0.01% 3167
2025
Q3
Sell
-8,325
Closed -$201K 3757
2025
Q2
$201K Buy
+8,325
New +$205K ﹤0.01% 3052
2025
Q1
Sell
-8,325
Closed -$205K 3581
2024
Q4
$205K Buy
+8,325
New +$196K ﹤0.01% 2979
2016
Q4
Sell
-2,353
Closed -$50K 765
2016
Q3
$50K Buy
+2,353
New +$49.2K ﹤0.01% 650

Other funds holding TBF

Mariner's TBF Position: Q1 2026 in Review

Mariner held its ProShares Short 20+ Year Treasury ETF (TBF) position steady in Q1 2026 at 8,325 shares worth $202K. The position accounts for ﹤0.01% of the portfolio, ranked #3160.

Mariner first reported a position in TBF in Q3 2016 and has held it in 5 quarters since. The position peaked at $205K in Q4 2024. 37 funds tracked by Wall St. Rank hold TBF as of Q1 2026.

  • Mariner held 8,325 shares of ProShares Short 20+ Year Treasury ETF worth $202K as of Q1 2026.
  • Mariner left its ProShares Short 20+ Year Treasury ETF share count unchanged in Q1 2026.
  • ProShares Short 20+ Year Treasury ETF made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #3160 holding.
  • Mariner first reported a position in ProShares Short 20+ Year Treasury ETF in Q3 2016 and has held it in 5 quarters since.
  • Mariner's ProShares Short 20+ Year Treasury ETF position peaked at $205K in Q4 2024.
  • 37 funds tracked by Wall St. Rank held ProShares Short 20+ Year Treasury ETF as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.