Citadel Advisors
OEC icon

Citadel Advisors’s Orion OEC Stock Holding History

Citadel Advisors’s Portfolio OEC Stock Details OEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.55M Buy
238,700
+95,200
+66% +$563K ﹤0.01% 6644
2025
Q4 		$758K Buy
143,500
+73,700
+106% +$400K ﹤0.01% 8031
2025
Q3 		$529K Buy
69,800
+12,000
+21% +$121K ﹤0.01% 8998
2025
Q2 		$606K Buy
57,800
+10,800
+23% +$122K ﹤0.01% 8175
2025
Q1 		$608K Buy
47,000
+38,700
+466% +$547K ﹤0.01% 8050
2024
Q4 		$131K Sell
8,300
-5,700
-41% -$96.3K ﹤0.01% 11080
2024
Q3 		$249K Buy
14,000
+7,800
+126% +$150K ﹤0.01% 9676
2024
Q2 		$136K Buy
6,200
+1,800
+41% +$43.3K ﹤0.01% 10482
2024
Q1 		$103K Sell
4,400
-47,400
-92% -$1.1M ﹤0.01% 11314
2023
Q4 		$1.44M Buy
51,800
+5,800
+13% +$133K ﹤0.01% 5971
2023
Q3 		$979K Sell
46,000
-44,200
-49% -$965K ﹤0.01% 6584
2023
Q2 		$1.91M Buy
90,200
+14,500
+19% +$350K ﹤0.01% 5226
2023
Q1 		$1.98M Buy
75,700
+33,400
+79% +$755K ﹤0.01% 5397
2022
Q4 		$753K Buy
42,300
+22,000
+108% +$370K ﹤0.01% 7382
2022
Q3 		$271K Buy
+20,300
New +$330K ﹤0.01% 9792
2022
Q1 		– Sell
-22,700
Closed -$417K – 14288
2021
Q4 		$417K Sell
22,700
-1,400
-6% -$26.1K ﹤0.01% 10112
2021
Q3 		$439K Buy
24,100
+10,100
+72% +$181K ﹤0.01% 10199
2021
Q2 		$266K Sell
14,000
-40,000
-74% -$791K ﹤0.01% 11560
2021
Q1 		$1.06M Buy
+54,000
New +$972K ﹤0.01% 7959
2020
Q4 		– Sell
-14,400
Closed -$180K – 11338
2020
Q3 		$180K Buy
+14,400
New +$173K ﹤0.01% 8889
2019
Q2 		– Sell
-20,200
Closed -$384K – 9649
2019
Q1 		$384K Buy
20,200
+3,100
+18% +$77.9K ﹤0.01% 7234
2018
Q4 		$432K Buy
17,100
+3,100
+22% +$80.9K ﹤0.01% 6632
2018
Q3 		$449K Buy
+14,000
New +$464K ﹤0.01% 6869

Other funds holding OEC

Pzena Investment Management
Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DCM
Divisar Capital Management San Francisco, California $392M AUM 108.45% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Citadel Advisors's OEC Position: Q1 2026 in Review

Citadel Advisors increased its Orion (OEC) stake by 51% in Q1 2026, buying an estimated $575K and bringing the position to 289,308 shares worth $1.88M. The position accounts for ﹤0.01% of the portfolio, ranked #6193.

Citadel Advisors first reported a position in OEC in Q3 2014 and has held it in 39 quarters since. The position peaked at $33.4M in Q4 2014. 180 funds tracked by Wall St. Rank hold OEC as of Q1 2026.

  • Citadel Advisors held 289,308 shares of Orion worth $1.88M as of Q1 2026.
  • Citadel Advisors bought 97,200 Orion shares in Q1 2026, an estimated $575K.
  • Orion made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #6193 holding.
  • Citadel Advisors first reported a position in Orion in Q3 2014 and has held it in 39 quarters since.
  • Citadel Advisors's Orion position peaked at $33.4M in Q4 2014.
  • 180 funds tracked by Wall St. Rank held Orion as of Q1 2026.

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