Citadel Advisors
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Citadel Advisors’s Oil States International OIS Stock Holding History

Citadel Advisors’s Portfolio OIS Stock Details OIS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$406K Buy
+34,900
New +$360K ﹤0.01% 9787
2025
Q2 		– Sell
-200
Closed -$1.03K – 14328
2025
Q1 		$1.03K Sell
200
-5,900
-97% -$31K ﹤0.01% 14181
2024
Q4 		$30.9K Buy
6,100
+5,700
+1,425% +$28.4K ﹤0.01% 12849
2024
Q3 		$1.84K Sell
400
-600
-60% -$2.87K ﹤0.01% 13803
2024
Q2 		$4.44K Sell
1,000
-700
-41% -$3.37K ﹤0.01% 13483
2024
Q1 		$10.5K Buy
1,700
+500
+42% +$2.98K ﹤0.01% 13457
2023
Q4 		$8.15K Sell
1,200
-5,600
-82% -$40.6K ﹤0.01% 13246
2023
Q3 		$56.9K Sell
6,800
-4,400
-39% -$35.6K ﹤0.01% 11600
2023
Q2 		$83.7K Sell
11,200
-7,000
-38% -$51.1K ﹤0.01% 11190
2023
Q1 		$152K Sell
18,200
-60,200
-77% -$510K ﹤0.01% 10625
2022
Q4 		$585K Buy
+78,400
New +$485K ﹤0.01% 7919
2022
Q2 		– Sell
-30,700
Closed -$213K – 13737
2022
Q1 		$213K Buy
+30,700
New +$195K ﹤0.01% 11377
2020
Q3 		– Sell
-30,300
Closed -$144K – 10548
2020
Q2 		$144K Buy
+30,300
New +$116K ﹤0.01% 8773
2016
Q1 		– Sell
-5,900
Closed -$161K – 7613
2015
Q4 		$161K Sell
5,900
-7,800
-57% -$232K ﹤0.01% 6098
2015
Q3 		$358K Buy
13,700
+7,400
+117% +$219K ﹤0.01% 5296
2015
Q2 		$235K Sell
6,300
-600
-9% -$25.3K ﹤0.01% 6100
2015
Q1 		$274K Sell
6,900
-1,000
-13% -$42.3K ﹤0.01% 5777
2014
Q4 		$386K Sell
7,900
-6,500
-45% -$351K ﹤0.01% 5078
2014
Q3 		$891K Buy
14,400
+13,700
+1,957% +$860K ﹤0.01% 3847
2014
Q2 		$45K Sell
700
-40,775
-98% -$2.4M ﹤0.01% 6821
2014
Q1 		$2.34M Buy
41,475
+3,150
+8% +$175K ﹤0.01% 2491
2013
Q4 		$2.23M Sell
38,325
-34,475
-47% -$2.07M ﹤0.01% 2443
2013
Q3 		$4.3M Buy
72,800
+24,500
+51% +$1.34M 0.01% 1681
2013
Q2 		$2.56M Buy
+48,300
New +$2.46M ﹤0.01% 2237

Other funds holding OIS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Citadel Advisors's OIS Position: Q1 2026 in Review

Citadel Advisors reduced its Oil States International (OIS) stake by 67% in Q1 2026, selling an estimated $886K and leaving 42,482 shares worth $494K. The position accounts for ﹤0.01% of the portfolio, ranked #9341.

Citadel Advisors first reported a position in OIS in Q2 2013 and has held it in 49 quarters since. The position peaked at $73.7M in Q2 2013. 215 funds tracked by Wall St. Rank hold OIS as of Q1 2026.

  • Citadel Advisors held 42,482 shares of Oil States International worth $494K as of Q1 2026.
  • Citadel Advisors sold 85,766 Oil States International shares in Q1 2026, an estimated $886K.
  • Oil States International made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #9341 holding.
  • Citadel Advisors first reported a position in Oil States International in Q2 2013 and has held it in 49 quarters since.
  • Citadel Advisors's Oil States International position peaked at $73.7M in Q2 2013.
  • 215 funds tracked by Wall St. Rank held Oil States International as of Q1 2026.

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