Mangrove Partners’s Ring Energy REI Stock Holding History

Mangrove Partners’s Portfolio REI Stock Details REI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-145,771	Closed	-$223K	–	557
2026 Q1	$223K	Sell	145,771 -20,824	-12%	-$26.5K	0.02%	330
2025 Q4	$145K	Buy	+166,595	New	+$159K	0.01%	340

Other funds holding REI

PEAK6 Chicago, Illinois $48.6B AUM 40.56% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Mangrove Partners's REI Position: Q2 2026 in Review

Mangrove Partners sold out of Ring Energy (REI) in Q2 2026, closing a stake of 145,771 shares — an estimated $223K sold.

Mangrove Partners first reported a position in REI in Q4 2025 and held it in 2 quarters. The position peaked at $223K in Q1 2026. 143 funds tracked by Wall St. Rank hold REI as of Q2 2026.

Mangrove Partners reported no remaining Ring Energy position as of Q2 2026 after selling out during the quarter.
Mangrove Partners sold 145,771 Ring Energy shares in Q2 2026, an estimated $223K.
Mangrove Partners first reported a position in Ring Energy in Q4 2025 and held it in 2 quarters.
Mangrove Partners's Ring Energy position peaked at $223K in Q1 2026.
143 funds tracked by Wall St. Rank held Ring Energy as of Q2 2026.

Based on Mangrove Partners's 13F filing for Q2 2026, filed 14 Aug 2026.