Mariner’s ProShares UltraPro S&P 500 UPRO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.79M Buy
28,737
+20,022
+230% +$2.26M ﹤0.01% 1350
2025
Q4
$1.01M Sell
8,715
-3,873
-31% -$443K ﹤0.01% 1948
2025
Q3
$1.4M Buy
12,588
+3,522
+39% +$354K ﹤0.01% 1660
2025
Q2
$829K Sell
9,066
-5,536
-38% -$411K ﹤0.01% 1944
2025
Q1
$1.08M Buy
14,602
+5,332
+58% +$468K ﹤0.01% 1637
2024
Q4
$822K Sell
9,270
-45
-0.5% -$4.12K ﹤0.01% 1792
2024
Q3
$803K Sell
9,315
-624
-6% -$49K ﹤0.01% 1773
2024
Q2
$764K Sell
9,939
-2,901
-23% -$201K ﹤0.01% 1706
2024
Q1
$906K Sell
12,840
-842
-6% -$52K ﹤0.01% 1571
2023
Q4
$749K Buy
13,682
+767
+6% +$35.1K ﹤0.01% 1645
2023
Q3
$532K Sell
12,915
-1,478
-10% -$69.6K ﹤0.01% 1738
2023
Q2
$682K Buy
14,393
+1,161
+9% +$47.4K ﹤0.01% 1540
2023
Q1
$510K Sell
13,232
-4,259
-24% -$155K ﹤0.01% 1681
2022
Q4
$573K Buy
+17,491
New +$597K ﹤0.01% 1574

Other funds holding UPRO

Mariner's UPRO Position: Q1 2026 in Review

Mariner increased its ProShares UltraPro S&P 500 (UPRO) stake by 230% in Q1 2026, buying an estimated $2.26M and bringing the position to 28,737 shares worth $2.79M. The position accounts for ﹤0.01% of the portfolio, ranked #1350.

Mariner first reported a position in UPRO in Q4 2022 and has held it in 14 quarters since. 120 funds tracked by Wall St. Rank hold UPRO as of Q1 2026.

  • Mariner held 28,737 shares of ProShares UltraPro S&P 500 worth $2.79M as of Q1 2026.
  • Mariner bought 20,022 ProShares UltraPro S&P 500 shares in Q1 2026, an estimated $2.26M.
  • ProShares UltraPro S&P 500 made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1350 holding.
  • Mariner first reported a position in ProShares UltraPro S&P 500 in Q4 2022 and has held it in 14 quarters since.
  • 120 funds tracked by Wall St. Rank held ProShares UltraPro S&P 500 as of Q1 2026.

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