Citadel Advisors’s Select Medical SEM Stock Holding History

Citadel Advisors’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
2025 Q2	–	Sell	-2,700	Closed	-$45.1K	–	14786
2025 Q1	$45.1K	Buy	2,700 +1,900	+238%	+$35K	﹤0.01%	12413
2024 Q4	$15.1K	Sell	800 -4,026	-83%	-$77.6K	﹤0.01%	13374
2024 Q3	$90.7K	Buy	4,826 +4,084	+550%	+$78.2K	﹤0.01%	11251
2024 Q2	$14K	Sell	742 -4,640	-86%	-$79.1K	﹤0.01%	12906
2024 Q1	$87.4K	Sell	5,382 -5,197	-49%	-$76.1K	﹤0.01%	11531
2023 Q4	$134K	Sell	10,579 -4,269	-29%	-$53.9K	﹤0.01%	10569
2023 Q3	$202K	Buy	14,848 +10,022	+208%	+$155K	﹤0.01%	9891
2023 Q2	$82.8K	Sell	4,826 -33,036	-87%	-$512K	﹤0.01%	11202
2023 Q1	$527K	Sell	37,862 -7,239	-16%	-$107K	﹤0.01%	8194
2022 Q4	$603K	Buy	+45,101	New	+$583K	﹤0.01%	7855
2022 Q2	–	Sell	-27,469	Closed	-$355K	–	13974
2022 Q1	$355K	Sell	27,469 -3,526	-11%	-$46.6K	﹤0.01%	10195
2021 Q4	$491K	Buy	30,995 +12,249	+65%	+$209K	﹤0.01%	9743
2021 Q3	$365K	Sell	18,746 -9,280	-33%	-$184K	﹤0.01%	10620
2021 Q2	$638K	Sell	28,026 -25,984	-48%	-$539K	﹤0.01%	9470
2021 Q1	$992K	Buy	54,010 +35,079	+185%	+$575K	﹤0.01%	8124
2020 Q4	$282K	Buy	+18,931	New	+$247K	﹤0.01%	9178
2018 Q3	–	Sell	-23,200	Closed	-$227K	–	9641
2018 Q2	$227K	Sell	23,200 -54,566	-70%	-$536K	﹤0.01%	7674
2018 Q1	$723K	Buy	77,766 +28,582	+58%	+$272K	﹤0.01%	5279
2017 Q4	$468K	Buy	+49,184	New	+$470K	﹤0.01%	5755
2016 Q1	–	Sell	-20,045	Closed	-$129K	–	7827
2015 Q4	$129K	Buy	20,045 +12,807	+177%	+$80.1K	﹤0.01%	6402
2015 Q3	$42K	Sell	7,238 -23,200	-76%	-$172K	﹤0.01%	7695
2015 Q2	$266K	Buy	30,438 +8,537	+39%	+$71.7K	﹤0.01%	5924
2015 Q1	$175K	Buy	+21,901	New	+$164K	﹤0.01%	6329
2014 Q4	–	Sell	-16,333	Closed	-$106K	–	8705
2014 Q3	$106K	Buy	16,333 +15,962	+4,302%	+$123K	﹤0.01%	6353
2014 Q2	$3K	Buy	+371	New	+$2.88K	﹤0.01%	7801

Other funds holding SEM

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

Verition Fund Management Greenwich, Connecticut $19.7B AUM 39.39% 1-Year Est. Return

GCL

Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return

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

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

DAM

Decagon Asset Management London, United Kingdom $525M AUM 50.51% 1-Year Est. Return

PAMP

Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return

Citadel Advisors's SEM Position: Q2 2026 in Review

Citadel Advisors reduced its Select Medical (SEM) stake by 62% in Q2 2026, selling an estimated $571K and leaving 21,524 shares worth $355K. The position accounts for ﹤0.01% of the portfolio, ranked #10718.

Citadel Advisors first reported a position in SEM in Q2 2013 and has held it in 47 quarters since. The position peaked at $10.1M in Q1 2023. 241 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

Citadel Advisors held 21,524 shares of Select Medical worth $355K as of Q2 2026.
Citadel Advisors sold 34,629 Select Medical shares in Q2 2026, an estimated $571K.
Select Medical made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #10718 holding.
Citadel Advisors first reported a position in Select Medical in Q2 2013 and has held it in 47 quarters since.
Citadel Advisors's Select Medical position peaked at $10.1M in Q1 2023.
241 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.