Citadel Advisors
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Citadel Advisors’s Ring Energy REI Stock Holding History

Citadel Advisors’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
Q1 		$1.13M Buy
738,183
+692,909
+1,530% +$881K ﹤0.01% 7401
2025
Q4 		$39.4K Sell
45,274
-338,649
-88% -$323K ﹤0.01% 12139
2025
Q3 		$418K Buy
383,923
+78,944
+26% +$71.5K ﹤0.01% 9559
2025
Q2 		$242K Buy
304,979
+220,736
+262% +$187K ﹤0.01% 10281
2025
Q1 		$96.9K Sell
84,243
-1,568,063
-95% -$2.05M ﹤0.01% 11520
2024
Q4 		$2.25M Buy
1,652,306
+1,627,251
+6,495% +$2.44M ﹤0.01% 5390
2024
Q3 		$40.1K Sell
25,055
-347,422
-93% -$621K ﹤0.01% 12146
2024
Q2 		$629K Buy
372,477
+115,234
+45% +$212K ﹤0.01% 7573
2024
Q1 		$504K Sell
257,243
-292,261
-53% -$435K ﹤0.01% 8386
2023
Q4 		$802K Sell
549,504
-217,700
-28% -$358K ﹤0.01% 7126
2023
Q3 		$1.5M Sell
767,204
-1,018,561
-57% -$2.04M ﹤0.01% 5766
2023
Q2 		$3.05M Buy
1,785,765
+614,651
+52% +$1.13M ﹤0.01% 4441
2023
Q1 		$2.23M Sell
1,171,114
-96,245
-8% -$208K ﹤0.01% 5154
2022
Q4 		$3.12M Buy
1,267,359
+940,215
+287% +$2.58M ﹤0.01% 4693
2022
Q3 		$759K Sell
327,144
-209,304
-39% -$571K ﹤0.01% 7587
2022
Q2 		$1.43M Buy
536,448
+195,201
+57% +$808K ﹤0.01% 6224
2022
Q1 		$1.3M Buy
341,247
+221,970
+186% +$681K ﹤0.01% 7090
2021
Q4 		$272K Buy
119,277
+78,303
+191% +$242K ﹤0.01% 11129
2021
Q3 		$121K Sell
40,974
-147,060
-78% -$375K ﹤0.01% 12636
2021
Q2 		$560K Buy
188,034
+71,590
+61% +$172K ﹤0.01% 9807
2021
Q1 		$269K Buy
116,444
+12,319
+12% +$23.5K ﹤0.01% 11092
2020
Q4 		$69K Buy
104,125
+83,346
+401% +$54.9K ﹤0.01% 10430
2020
Q3 		$14K Sell
20,779
-22,264
-52% -$21.1K ﹤0.01% 9917
2020
Q2 		$50K Buy
43,043
+26,579
+161% +$26K ﹤0.01% 9305
2020
Q1 		$11K Buy
16,464
+94
+0.6% +$167 ﹤0.01% 9411
2019
Q4 		$44K Sell
16,370
-2,227
-12% -$4.37K ﹤0.01% 8789
2019
Q3 		$30K Sell
18,597
-563,552
-97% -$1.21M ﹤0.01% 8847
2019
Q2 		$1.89M Buy
582,149
+155,552
+36% +$692K ﹤0.01% 4600
2019
Q1 		$2.5M Sell
426,597
-11,509
-3% -$68.4K ﹤0.01% 4086
2018
Q4 		$2.23M Buy
438,106
+168,391
+62% +$1.2M ﹤0.01% 3985
2018
Q3 		$2.67M Sell
269,715
-16,991
-6% -$204K ﹤0.01% 3910
2018
Q2 		$3.62M Buy
+286,706
New +$4.17M ﹤0.01% 3228
2017
Q1 		– Sell
-50,846
Closed -$660K – 7931
2016
Q4 		$660K Buy
50,846
+32,402
+176% +$375K ﹤0.01% 4474
2016
Q3 		$202K Buy
+18,444
New +$173K ﹤0.01% 6298
2016
Q2 		– Sell
-15,083
Closed -$76K – 7297
2016
Q1 		$76K Buy
15,083
+6,484
+75% +$32.2K ﹤0.01% 6135
2015
Q4 		$61K Sell
8,599
-36,074
-81% -$343K ﹤0.01% 7139
2015
Q3 		$441K Buy
+44,673
New +$427K ﹤0.01% 4979
2015
Q1 		– Sell
-3,841
Closed -$40K – 8790
2014
Q4 		$40K Buy
+3,841
New +$48.1K ﹤0.01% 7361

Other funds holding REI

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
CF
CDC Financial Chicago, Illinois $157M AUM
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

Citadel Advisors's REI Position: Q1 2026 in Review

Citadel Advisors increased its Ring Energy (REI) stake by 1,530% in Q1 2026, buying an estimated $881K and bringing the position to 738,183 shares worth $1.13M. The position accounts for ﹤0.01% of the portfolio, ranked #7401.

Citadel Advisors first reported a position in REI in Q4 2014 and has held it in 38 quarters since. The position peaked at $3.62M in Q2 2018. 126 funds tracked by Wall St. Rank hold REI as of Q1 2026.

  • Citadel Advisors held 738,183 shares of Ring Energy worth $1.13M as of Q1 2026.
  • Citadel Advisors bought 692,909 Ring Energy shares in Q1 2026, an estimated $881K.
  • Ring Energy made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #7401 holding.
  • Citadel Advisors first reported a position in Ring Energy in Q4 2014 and has held it in 38 quarters since.
  • Citadel Advisors's Ring Energy position peaked at $3.62M in Q2 2018.
  • 126 funds tracked by Wall St. Rank held Ring Energy as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.