Magnetar Financial
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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
2026
Q3 		$112K Sell
14,036
-45,511
-76% -$384K ﹤0.01% 1335
2026
Q2 		$477K Buy
59,547
+6,825
+13% +$64.7K ﹤0.01% 626
2026
Q1 		$614K Buy
+52,722
New +$544K 0.01% 592
2018
Q3 		– Sell
-15,272
Closed -$490K – 647
2018
Q2 		$490K Buy
+15,272
New +$514K 0.01% 280
2017
Q4 		– Sell
-23,399
Closed -$593K – 839
2017
Q3 		$593K Buy
23,399
+8,050
+52% +$198K 0.01% 397
2017
Q2 		$417K Buy
+15,349
New +$455K 0.01% 526
2016
Q4 		– Sell
-8,419
Closed -$266K – 282
2016
Q3 		$266K Buy
+8,419
New +$259K ﹤0.01% 474
2015
Q3 		– Sell
-10,785
Closed -$402K – 483
2015
Q2 		$402K Buy
+10,785
New +$454K 0.01% 337
2014
Q2 		– Sell
-10,150
Closed -$572K – 226
2014
Q1 		$572K Sell
10,150
-177,350
-95% -$9.8M 0.01% 190
2013
Q4 		$10.9M Sell
187,500
-612,660
-77% -$36.7M 0.22% 82
2013
Q3 		$47.3M Buy
800,160
+646,165
+420% +$35.3M 0.78% 33
2013
Q2 		$8.15M Buy
+153,995
New +$7.86M 0.18% 105

Other funds holding OIS

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
First Eagle Investment Management
First Eagle Investment Management New York $63.7B AUM 20.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

Magnetar Financial's OIS Position: Q3 2026 in Review

Magnetar Financial reduced its Oil States International (OIS) stake by 76% in Q3 2026, selling an estimated $384K and leaving 14,036 shares worth $112K. The position accounts for ﹤0.01% of the portfolio, ranked #1335.

Magnetar Financial first reported a position in OIS in Q2 2013 and has held it in 12 quarters since. The position peaked at $47.3M in Q3 2013. 147 funds tracked by Wall St. Rank hold OIS as of Q3 2026.

  • Magnetar Financial held 14,036 shares of Oil States International worth $112K as of Q3 2026.
  • Magnetar Financial sold 45,511 Oil States International shares in Q3 2026, an estimated $384K.
  • Oil States International made up ﹤0.01% of Magnetar Financial's portfolio in Q3 2026, its #1335 holding.
  • Magnetar Financial first reported a position in Oil States International in Q2 2013 and has held it in 12 quarters since.
  • Magnetar Financial's Oil States International position peaked at $47.3M in Q3 2013.
  • 147 funds tracked by Wall St. Rank held Oil States International as of Q3 2026.

Based on Magnetar Financial's 13F filing for Q3 2026, filed 13 Nov 2026.