WIC
SEM

Water Island Capital’s Select Medical SEM Stock Holding History

Water Island Capital’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 		$1.36M Sell
82,492
-20,975
-20% -$346K 0.13% 57
2026
Q1 		$1.69M Buy
+103,467
New +$1.62M 0.19% 56

Other funds holding SEM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Verition Fund Management
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
Millennium Management
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

Water Island Capital's SEM Position: Q2 2026 in Review

Water Island Capital reduced its Select Medical (SEM) stake by 20% in Q2 2026, selling an estimated $346K and leaving 82,492 shares worth $1.36M. The position accounts for 0.13% of the portfolio, ranked #57.

Water Island Capital first reported a position in SEM in Q1 2026 and has held it in 2 quarters since. The position peaked at $1.69M in Q1 2026. 238 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

  • Water Island Capital held 82,492 shares of Select Medical worth $1.36M as of Q2 2026.
  • Water Island Capital sold 20,975 Select Medical shares in Q2 2026, an estimated $346K.
  • Select Medical made up 0.13% of Water Island Capital's portfolio in Q2 2026, its #57 holding.
  • Water Island Capital first reported a position in Select Medical in Q1 2026 and has held it in 2 quarters since.
  • Water Island Capital's Select Medical position peaked at $1.69M in Q1 2026.
  • 238 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

Based on Water Island Capital's 13F filing for Q2 2026, filed 14 Aug 2026.