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
2025
Q1 		– Sell
-200
Closed -$1.01K – 15274
2024
Q4 		$1.01K Sell
200
-1,000
-83% -$4.98K ﹤0.01% 14240
2024
Q3 		$5.52K Buy
1,200
+900
+300% +$4.31K ﹤0.01% 13479
2024
Q2 		$1.33K Sell
300
-2,200
-88% -$10.6K ﹤0.01% 13830
2024
Q1 		$15.4K Buy
2,500
+1,700
+213% +$10.1K ﹤0.01% 13191
2023
Q4 		$5.43K Sell
800
-1,000
-56% -$7.24K ﹤0.01% 13428
2023
Q3 		$15.1K Sell
1,800
-300
-14% -$2.43K ﹤0.01% 12841
2023
Q2 		$15.7K Sell
2,100
-3,700
-64% -$27K ﹤0.01% 12934
2023
Q1 		$48.3K Sell
5,800
-73,600
-93% -$624K ﹤0.01% 12195
2022
Q4 		$592K Buy
+79,400
New +$491K ﹤0.01% 7882
2016
Q2 		– Sell
-12,300
Closed -$388K – 7225
2016
Q1 		$388K Sell
12,300
-3,900
-24% -$105K ﹤0.01% 4754
2015
Q4 		$441K Buy
16,200
+1,800
+13% +$53.5K ﹤0.01% 4628
2015
Q3 		$376K Buy
14,400
+5,600
+64% +$166K ﹤0.01% 5224
2015
Q2 		$328K Sell
8,800
-1,600
-15% -$67.3K ﹤0.01% 5624
2015
Q1 		$414K Sell
10,400
-6,100
-37% -$258K ﹤0.01% 5214
2014
Q4 		$807K Buy
16,500
+10,300
+166% +$557K ﹤0.01% 4042
2014
Q3 		$384K Buy
6,200
+4,800
+343% +$301K ﹤0.01% 4967
2014
Q2 		$90K Sell
1,400
-25,200
-95% -$1.48M ﹤0.01% 6311
2014
Q1 		$1.5M Sell
26,600
-1,575
-6% -$87.3K ﹤0.01% 2933
2013
Q4 		$1.64M Sell
28,175
-26,600
-49% -$1.59M ﹤0.01% 2743
2013
Q3 		$3.24M Sell
54,775
-16,625
-23% -$908K ﹤0.01% 1965
2013
Q2 		$3.78M Buy
+71,400
New +$3.64M 0.01% 1835

Other funds holding OIS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Citadel Advisors's OIS Position: Q2 2026 in Review

Citadel Advisors increased its Oil States International (OIS) stake by 76% in Q2 2026, buying an estimated $308K and bringing the position to 74,976 shares worth $601K. The position accounts for ﹤0.01% of the portfolio, ranked #9422.

Citadel Advisors first reported a position in OIS in Q2 2013 and has held it in 50 quarters since. The position peaked at $73.7M in Q2 2013. 200 funds tracked by Wall St. Rank hold OIS as of Q2 2026.

  • Citadel Advisors held 74,976 shares of Oil States International worth $601K as of Q2 2026.
  • Citadel Advisors bought 32,494 Oil States International shares in Q2 2026, an estimated $308K.
  • Oil States International made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #9422 holding.
  • Citadel Advisors first reported a position in Oil States International in Q2 2013 and has held it in 50 quarters since.
  • Citadel Advisors's Oil States International position peaked at $73.7M in Q2 2013.
  • 200 funds tracked by Wall St. Rank held Oil States International as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.