Mariner’s Prairie Operating Co PROP Stock Holding History

Mariner’s Portfolio PROP Stock Details PROP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$44K	Buy	21,699 +9,786	+82%	+$17.7K	﹤0.01%	3438
2025 Q4	$20.1K	Buy	+11,913	New	+$21.6K	﹤0.01%	3485

Other funds holding PROP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

AAP

Arax Advisory Partners Denver, Colorado $3.54B AUM 19.14% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

CastleKnight Management New York $6B AUM 121.87% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Mariner's PROP Position: Q1 2026 in Review

Mariner increased its Prairie Operating Co (PROP) stake by 82% in Q1 2026, buying an estimated $17.7K and bringing the position to 21,699 shares worth $44K. The position accounts for ﹤0.01% of the portfolio, ranked #3438.

Mariner first reported a position in PROP in Q4 2025 and has held it in 2 quarters since. 118 funds tracked by Wall St. Rank hold PROP as of Q1 2026.

Mariner held 21,699 shares of Prairie Operating Co worth $44K as of Q1 2026.
Mariner bought 9,786 Prairie Operating Co shares in Q1 2026, an estimated $17.7K.
Prairie Operating Co made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #3438 holding.
Mariner first reported a position in Prairie Operating Co in Q4 2025 and has held it in 2 quarters since.
118 funds tracked by Wall St. Rank held Prairie Operating Co as of Q1 2026.

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