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Magnetar Financial’s Oil States International OIS Stock Holding History

Magnetar Financial’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
2014
Q2 		– Sell
-727,825
Closed -$41M – 225
2014
Q1 		$41M Sell
727,825
-3,383,800
-82% -$187M 0.81% 39
2013
Q4 		$239M Buy
4,111,625
+1,038,625
+34% +$62.3M 4.92% 3
2013
Q3 		$182M Buy
3,073,000
+360,500
+13% +$19.7M 2.99% 4
2013
Q2 		$144M Buy
+2,712,500
New +$138M 3.14% 3

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

Magnetar Financial's OIS Position: Q1 2026 in Review

Magnetar Financial opened a new position in Oil States International (OIS) in Q1 2026: 52,722 shares worth $614K. The stake represents 0.01% of the portfolio and ranks #592 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in OIS as recently as Q2 2018.

Magnetar Financial first reported a position in OIS in Q2 2013 and has held it in 10 quarters since. The position peaked at $47.3M in Q3 2013. 215 funds tracked by Wall St. Rank hold OIS as of Q1 2026.

  • Magnetar Financial held 52,722 shares of Oil States International worth $614K as of Q1 2026.
  • Oil States International was a new Magnetar Financial position in Q1 2026.
  • Oil States International made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #592 holding.
  • Magnetar Financial first reported a position in Oil States International in Q2 2013 and has held it in 10 quarters since.
  • Magnetar Financial's Oil States International position peaked at $47.3M in Q3 2013.
  • 215 funds tracked by Wall St. Rank held Oil States International as of Q1 2026.

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