PDT Partners’s Select Medical SEM Stock Holding History

PDT Partners’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 Q4	–	Sell	-19,669	Closed	-$253K	–	641
2025 Q3	$253K	Buy	+19,669	New	+$262K	0.02%	528
2015 Q4	–	Sell	-113,602	Closed	-$660K	–	868
2015 Q3	$660K	Buy	113,602 +4,310	+4%	+$32K	0.01%	836
2015 Q2	$954K	Buy	+109,292	New	+$918K	0.02%	766
2014 Q2	–	Sell	-77,581	Closed	-$520K	–	1597
2014 Q1	$520K	Buy	+77,581	New	+$470K	0.01%	927

Other funds holding SEM

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

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

WSL

Western Standard LLC Los Angeles, California $295M AUM 40.98% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

PDT Partners's SEM Position: Q4 2025 in Review

PDT Partners sold out of Select Medical (SEM) in Q4 2025, closing a stake of 19,669 shares — an estimated $253K sold.

PDT Partners first reported a position in SEM in Q1 2014 and held it in 4 quarters. The position peaked at $954K in Q2 2015. 268 funds tracked by Wall St. Rank hold SEM as of Q4 2025.

PDT Partners reported no remaining Select Medical position as of Q4 2025 after selling out during the quarter.
PDT Partners sold 19,669 Select Medical shares in Q4 2025, an estimated $253K.
PDT Partners first reported a position in Select Medical in Q1 2014 and held it in 4 quarters.
PDT Partners's Select Medical position peaked at $954K in Q2 2015.
268 funds tracked by Wall St. Rank held Select Medical as of Q4 2025.

Based on PDT Partners's 13F filing for Q4 2025, filed 17 Feb 2026.