Jane Street’s Oil States International OIS Stock Holding History

Jane Street’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	$494K	Buy	+42,400	New	+$438K	﹤0.01%	8064

Other funds holding OIS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Jane Street's OIS Position: Q1 2026 in Review

Jane Street increased its Oil States International (OIS) stake by 213% in Q1 2026, buying an estimated $3.19M and bringing the position to 454,245 shares worth $5.29M. The position accounts for ﹤0.01% of the portfolio, ranked #3427.

Jane Street first reported a position in OIS in Q3 2013 and has held it in 27 quarters since. 215 funds tracked by Wall St. Rank hold OIS as of Q1 2026.

Jane Street held 454,245 shares of Oil States International worth $5.29M as of Q1 2026.
Jane Street bought 309,134 Oil States International shares in Q1 2026, an estimated $3.19M.
Oil States International made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #3427 holding.
Jane Street first reported a position in Oil States International in Q3 2013 and has held it in 27 quarters since.
215 funds tracked by Wall St. Rank held Oil States International as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.