Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s Oil States International OIS Stock Holding History

Robeco Institutional Asset Management’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
Q2 		$253K Buy
+31,614
New +$300K ﹤0.01% 816
2016
Q3 		– Sell
-201,885
Closed -$6.64M – 801
2016
Q2 		$6.64M Hold
201,885
– – 0.05% 320
2016
Q1 		$6.36M Buy
201,885
+43,768
+28% +$1.18M 0.05% 313
2015
Q4 		$4.31M Buy
158,117
+66,539
+73% +$1.98M 0.04% 360
2015
Q3 		$2.39M Buy
91,578
+14,348
+19% +$425K 0.02% 451
2015
Q2 		$2.88M Buy
+77,230
New +$3.25M 0.02% 431

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

Robeco Institutional Asset Management's OIS Position: Q2 2026 in Review

Robeco Institutional Asset Management opened a new position in Oil States International (OIS) in Q2 2026: 31,614 shares worth $253K. The stake represents ﹤0.01% of the portfolio and ranks #816 among its holdings. This is a return to the name: Robeco Institutional Asset Management previously reported a position in OIS as recently as Q2 2016.

Robeco Institutional Asset Management first reported a position in OIS in Q2 2015 and has held it in 6 quarters since. The position peaked at $6.64M in Q2 2016. 199 funds tracked by Wall St. Rank hold OIS as of Q2 2026.

  • Robeco Institutional Asset Management held 31,614 shares of Oil States International worth $253K as of Q2 2026.
  • Oil States International was a new Robeco Institutional Asset Management position in Q2 2026.
  • Oil States International made up ﹤0.01% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #816 holding.
  • Robeco Institutional Asset Management first reported a position in Oil States International in Q2 2015 and has held it in 6 quarters since.
  • Robeco Institutional Asset Management's Oil States International position peaked at $6.64M in Q2 2016.
  • 199 funds tracked by Wall St. Rank held Oil States International as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.