PEAK6’s Ring Energy REI Stock Holding History

PEAK6’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	$18.4M	Buy	17,079,382 +15,929,382	+1,385%	+$22.2M	0.04%	365
2026 Q1	$1.76M	Sell	1,150,000 -750,000	-39%	-$953K	﹤0.01%	1431
2025 Q4	$1.65M	Hold	1,900,000	–	–	﹤0.01%	1539
2025 Q3	$2.07M	Buy	+1,900,000	New	+$1.72M	﹤0.01%	1484

Other funds holding REI

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

CDC Financial Chicago, Illinois $239M AUM

PEAK6's REI Position: Q2 2026 in Review

PEAK6 increased its Ring Energy (REI) stake by 1,385% in Q2 2026, buying an estimated $22.2M and bringing the position to 17,079,382 shares worth $18.4M. The position accounts for 0.04% of the portfolio, ranked #365.

PEAK6 first reported a position in REI in Q3 2025 and has held it in 4 quarters since. 143 funds tracked by Wall St. Rank hold REI as of Q2 2026.

PEAK6 held 17,079,382 shares of Ring Energy worth $18.4M as of Q2 2026.
PEAK6 bought 15,929,382 Ring Energy shares in Q2 2026, an estimated $22.2M.
Ring Energy made up 0.04% of PEAK6's portfolio in Q2 2026, its #365 holding.
PEAK6 first reported a position in Ring Energy in Q3 2025 and has held it in 4 quarters since.
143 funds tracked by Wall St. Rank held Ring Energy as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.