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 $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.