Cubist Systematic Strategies’s Ring Energy REI Stock Holding History

Cubist Systematic Strategies’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
2025 Q3	$104K	Buy	95,413 +89,681	+1,565%	+$81.2K	﹤0.01%	2771
2025 Q2	$4.55K	Buy	+5,732	New	+$4.85K	﹤0.01%	2856
2024 Q2	–	Sell	-35,344	Closed	-$69.3K	–	3839
2024 Q1	$69.3K	Sell	35,344 -67,645	-66%	-$101K	﹤0.01%	3329
2023 Q4	$150K	Buy	102,989 +92,370	+870%	+$152K	﹤0.01%	3085
2023 Q3	$20.7K	Sell	10,619 -7,469	-41%	-$15K	﹤0.01%	3093
2023 Q2	$30.9K	Sell	18,088 -22,055	-55%	-$40.4K	﹤0.01%	3150
2023 Q1	$76.3K	Buy	+40,143	New	+$86.6K	﹤0.01%	3485
2022 Q4	–	Sell	-135,628	Closed	-$315K	–	4535
2022 Q3	$315K	Sell	135,628 -155,770	-53%	-$425K	﹤0.01%	3485
2022 Q2	$775K	Buy	291,398 +93,268	+47%	+$386K	﹤0.01%	2687
2022 Q1	$757K	Buy	198,130 +4,273	+2%	+$13.1K	0.01%	2254
2021 Q4	$442K	Buy	193,857 +65,559	+51%	+$203K	﹤0.01%	2533
2021 Q3	$378K	Buy	+128,298	New	+$327K	﹤0.01%	2213
2020 Q3	–	Sell	-12,553	Closed	-$15K	–	2611
2020 Q2	$15K	Buy	+12,553	New	+$12.3K	﹤0.01%	2327
2020 Q1	–	Sell	-37,379	Closed	-$99K	–	2394
2019 Q4	$99K	Buy	+37,379	New	+$73.3K	﹤0.01%	2192
2019 Q3	–	Sell	-68,994	Closed	-$224K	–	2422
2019 Q2	$224K	Buy	+68,994	New	+$307K	﹤0.01%	1990
2018 Q2	–	Sell	-11,844	Closed	-$170K	–	1999
2018 Q1	$170K	Buy	+11,844	New	+$172K	0.01%	1466

Other funds holding REI

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

PEAK6 Chicago, Illinois $42.6B AUM 66.3% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 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

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

Cubist Systematic Strategies's REI Position: Q3 2025 in Review

Cubist Systematic Strategies increased its Ring Energy (REI) stake by 1,565% in Q3 2025, buying an estimated $81.2K and bringing the position to 95,413 shares worth $104K. The position accounts for ﹤0.01% of the portfolio, ranked #2771.

Cubist Systematic Strategies first reported a position in REI in Q1 2018 and has held it in 16 quarters since. The position peaked at $775K in Q2 2022. 113 funds tracked by Wall St. Rank hold REI as of Q3 2025.

Cubist Systematic Strategies held 95,413 shares of Ring Energy worth $104K as of Q3 2025.
Cubist Systematic Strategies bought 89,681 Ring Energy shares in Q3 2025, an estimated $81.2K.
Ring Energy made up ﹤0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #2771 holding.
Cubist Systematic Strategies first reported a position in Ring Energy in Q1 2018 and has held it in 16 quarters since.
Cubist Systematic Strategies's Ring Energy position peaked at $775K in Q2 2022.
113 funds tracked by Wall St. Rank held Ring Energy as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.