Jane Street’s Select Medical SEM Stock Holding History

Jane Street’s Portfolio SEM Stock Details SEM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q4	–	Sell	-20,045	Closed	-$391K	–	10745
2021 Q3	$391K	Buy	+20,045	New	+$398K	﹤0.01%	7716
2019 Q1	–	Sell	-29,325	Closed	-$243K	–	5562
2018 Q4	$243K	Buy	+29,325	New	+$281K	﹤0.01%	4296

Other funds holding SEM

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

GCL

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

HSBC Holdings London, United Kingdom $192B AUM 27.2% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Jane Street's SEM Position: Q1 2026 in Review

Jane Street reduced its Select Medical (SEM) stake by 57% in Q1 2026, selling an estimated $2.3M and leaving 111,408 shares worth $1.81M. The position accounts for ﹤0.01% of the portfolio, ranked #5286.

Jane Street first reported a position in SEM in Q4 2013 and has held it in 25 quarters since. The position peaked at $4.76M in Q3 2025. 277 funds tracked by Wall St. Rank hold SEM as of Q1 2026.

Jane Street held 111,408 shares of Select Medical worth $1.81M as of Q1 2026.
Jane Street sold 147,106 Select Medical shares in Q1 2026, an estimated $2.3M.
Select Medical made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5286 holding.
Jane Street first reported a position in Select Medical in Q4 2013 and has held it in 25 quarters since.
Jane Street's Select Medical position peaked at $4.76M in Q3 2025.
277 funds tracked by Wall St. Rank held Select Medical as of Q1 2026.

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