CSS LLC’s Select Medical SEM Stock Holding History

CSS LLC’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
2026 Q2	$33K	Buy	+2,000	New	+$33K	﹤0.01%	939
2015 Q4	–	Sell	-9,280	Closed	-$54K	–	741
2015 Q3	$54K	Sell	9,280 -9,280	-50%	-$68.8K	﹤0.01%	700
2015 Q2	$162K	Sell	18,560 -18,560	-50%	-$156K	0.01%	683
2015 Q1	$296K	Buy	37,120 +18,560	+100%	+$139K	0.02%	535
2014 Q4	$144K	Buy	+18,560	New	+$135K	0.01%	675

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

CSS LLC's SEM Position: Q2 2026 in Review

CSS LLC increased its Select Medical (SEM) stake by 107% in Q2 2026, buying an estimated $511K and bringing the position to 60,000 shares worth $990K. The position accounts for 0.04% of the portfolio, ranked #348.

CSS LLC first reported a position in SEM in Q4 2013 and has held it in 11 quarters since. 241 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

CSS LLC held 60,000 shares of Select Medical worth $990K as of Q2 2026.
CSS LLC bought 31,000 Select Medical shares in Q2 2026, an estimated $511K.
Select Medical made up 0.04% of CSS LLC's portfolio in Q2 2026, its #348 holding.
CSS LLC first reported a position in Select Medical in Q4 2013 and has held it in 11 quarters since.
241 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.