Mariner
PTIR

Mariner’s GraniteShares 2x Long PLTR Daily ETF PTIR Stock Holding History

Mariner’s Portfolio PTIR Stock Details PTIR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$499K Buy
30,500
+500
+2% +$9.53K ﹤0.01% 2497
2025
Q4 		$802K Buy
+30,000
New +$914K ﹤0.01% 2099

Other funds holding PTIR

SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
VC
Vestor Capital Chicago, Illinois $1.38B AUM 39.2% 1-Year Est. Return
SG
StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return
ACM
AlphaStar Capital Management Cornelius, North Carolina $1.36B AUM 15.65% 1-Year Est. Return

Mariner's PTIR Position: Q1 2026 in Review

Mariner increased its GraniteShares 2x Long PLTR Daily ETF (PTIR) stake by 1.7% in Q1 2026, buying an estimated $9.53K and bringing the position to 30,500 shares worth $499K. The position accounts for ﹤0.01% of the portfolio, ranked #2497.

Mariner first reported a position in PTIR in Q4 2025 and has held it in 2 quarters since. The position peaked at $802K in Q4 2025. 22 funds tracked by Wall St. Rank hold PTIR as of Q1 2026.

  • Mariner held 30,500 shares of GraniteShares 2x Long PLTR Daily ETF worth $499K as of Q1 2026.
  • Mariner bought 500 GraniteShares 2x Long PLTR Daily ETF shares in Q1 2026, an estimated $9.53K.
  • GraniteShares 2x Long PLTR Daily ETF made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2497 holding.
  • Mariner first reported a position in GraniteShares 2x Long PLTR Daily ETF in Q4 2025 and has held it in 2 quarters since.
  • Mariner's GraniteShares 2x Long PLTR Daily ETF position peaked at $802K in Q4 2025.
  • 22 funds tracked by Wall St. Rank held GraniteShares 2x Long PLTR Daily ETF as of Q1 2026.

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