Mariner
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Mariner’s Oil States International OIS Stock Holding History

Mariner’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 		$1M Buy
86,237
+26,662
+45% +$275K ﹤0.01% 1968
2025
Q4 		$404K Buy
59,575
+17,932
+43% +$115K ﹤0.01% 2607
2025
Q3 		$252K Buy
41,643
+15,876
+62% +$87.1K ﹤0.01% 2965
2025
Q2 		$138K Buy
25,767
+8,058
+46% +$35.6K ﹤0.01% 3168
2025
Q1 		$91.2K Sell
17,709
-20,911
-54% -$110K ﹤0.01% 3208
2024
Q4 		$195K Sell
38,620
-511
-1% -$2.55K ﹤0.01% 3012
2024
Q3 		$180K Buy
39,131
+1,512
+4% +$7.24K ﹤0.01% 2962
2024
Q2 		$167K Buy
37,619
+17,275
+85% +$83.1K ﹤0.01% 2833
2024
Q1 		$125K Sell
20,344
-3,979
-16% -$23.8K ﹤0.01% 2883
2023
Q4 		$165K Sell
24,323
-2,472
-9% -$17.9K ﹤0.01% 2746
2023
Q3 		$224K Sell
26,795
-3,107
-10% -$25.2K ﹤0.01% 2414
2023
Q2 		$223K Sell
29,902
-9,428
-24% -$68.8K ﹤0.01% 2369
2023
Q1 		$327K Buy
39,330
+7,660
+24% +$64.9K ﹤0.01% 2000
2022
Q4 		$236K Buy
31,670
+9,298
+42% +$57.5K ﹤0.01% 2223
2022
Q3 		$87K Buy
+22,372
New +$107K ﹤0.01% 2233

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

Mariner's OIS Position: Q1 2026 in Review

Mariner increased its Oil States International (OIS) stake by 45% in Q1 2026, buying an estimated $275K and bringing the position to 86,237 shares worth $1M. The position accounts for ﹤0.01% of the portfolio, ranked #1968.

Mariner first reported a position in OIS in Q3 2022 and has held it in 15 quarters since. 215 funds tracked by Wall St. Rank hold OIS as of Q1 2026.

  • Mariner held 86,237 shares of Oil States International worth $1M as of Q1 2026.
  • Mariner bought 26,662 Oil States International shares in Q1 2026, an estimated $275K.
  • Oil States International made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1968 holding.
  • Mariner first reported a position in Oil States International in Q3 2022 and has held it in 15 quarters since.
  • 215 funds tracked by Wall St. Rank held Oil States International as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.