Mariner’s Defiance Quantum ETF QTUM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$3.07M Sell
18,561
-9,331
-33% -$1.34M ﹤0.01% 1259
2026
Q1
$2.99M Buy
27,892
+5,267
+23% +$603K ﹤0.01% 1299
2025
Q4
$2.48M Buy
22,625
+5,299
+31% +$584K ﹤0.01% 1376
2025
Q3
$1.82M Buy
17,326
+5,205
+43% +$499K ﹤0.01% 1501
2025
Q2
$1.11M Buy
12,121
+5,887
+94% +$476K ﹤0.01% 1721
2025
Q1
$465K Buy
6,234
+2,158
+53% +$175K ﹤0.01% 2261
2024
Q4
$331K Buy
+4,076
New +$281K ﹤0.01% 2539

Other funds holding QTUM

Mariner's QTUM Position: Q2 2026 in Review

Mariner reduced its Defiance Quantum ETF (QTUM) stake by 33% in Q2 2026, selling an estimated $1.34M and leaving 18,561 shares worth $3.07M. The position accounts for ﹤0.01% of the portfolio, ranked #1259.

Mariner first reported a position in QTUM in Q4 2024 and has held it in 7 quarters since. 562 funds tracked by Wall St. Rank hold QTUM as of Q2 2026.

  • Mariner held 18,561 shares of Defiance Quantum ETF worth $3.07M as of Q2 2026.
  • Mariner sold 9,331 Defiance Quantum ETF shares in Q2 2026, an estimated $1.34M.
  • Defiance Quantum ETF made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1259 holding.
  • Mariner first reported a position in Defiance Quantum ETF in Q4 2024 and has held it in 7 quarters since.
  • 562 funds tracked by Wall St. Rank held Defiance Quantum ETF as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.