CastleKnight Management’s Select Medical SEM Stock Holding History

CastleKnight Management’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	–	Sell	-48,100	Closed	-$784K	–	549
2026 Q1	$784K	Sell	48,100 -87,100	-64%	-$1.36M	0.01%	370
2025 Q4	$2.01M	Hold	135,200	–	–	0.04%	193
2025 Q3	$1.74M	Hold	135,200	–	–	0.03%	256
2025 Q2	$2.05M	Buy	+135,200	New	+$2.11M	0.06%	209

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

CastleKnight Management's SEM Position: Q2 2026 in Review

CastleKnight Management sold out of Select Medical (SEM) in Q2 2026, closing a stake of 48,100 shares — an estimated $784K sold.

CastleKnight Management first reported a position in SEM in Q2 2025 and held it in 4 quarters. The position peaked at $2.05M in Q2 2025. 238 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

CastleKnight Management reported no remaining Select Medical position as of Q2 2026 after selling out during the quarter.
CastleKnight Management sold 48,100 Select Medical shares in Q2 2026, an estimated $784K.
CastleKnight Management first reported a position in Select Medical in Q2 2025 and held it in 4 quarters.
CastleKnight Management's Select Medical position peaked at $2.05M in Q2 2025.
238 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

Based on CastleKnight Management's 13F filing for Q2 2026, filed 14 Aug 2026.