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 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%	-$9.83M	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 New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Magnetar Financial's OIS Position: Q2 2026 in Review

Magnetar Financial increased its Oil States International (OIS) stake by 13% in Q2 2026, buying an estimated $64.7K and bringing the position to 59,547 shares worth $477K. The position accounts for ﹤0.01% of the portfolio, ranked #626.

Magnetar Financial first reported a position in OIS in Q2 2013 and has held it in 11 quarters since. The position peaked at $47.3M in Q3 2013. 200 funds tracked by Wall St. Rank hold OIS as of Q2 2026.

Magnetar Financial held 59,547 shares of Oil States International worth $477K as of Q2 2026.
Magnetar Financial bought 6,825 Oil States International shares in Q2 2026, an estimated $64.7K.
Oil States International made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #626 holding.
Magnetar Financial first reported a position in Oil States International in Q2 2013 and has held it in 11 quarters since.
Magnetar Financial's Oil States International position peaked at $47.3M in Q3 2013.
200 funds tracked by Wall St. Rank held Oil States International as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.