Mariner
SEM

Mariner’s Select Medical SEM Stock Holding History

Mariner’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 		$268K Buy
+16,235
New +$268K ﹤0.01% 2934

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

Mariner's SEM Position: Q2 2026 in Review

Mariner opened a new position in Select Medical (SEM) in Q2 2026: 16,235 shares worth $268K. The stake represents ﹤0.01% of the portfolio and ranks #2934 among its holdings.

238 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

  • Mariner held 16,235 shares of Select Medical worth $268K as of Q2 2026.
  • Select Medical was a new Mariner position in Q2 2026.
  • Select Medical made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2934 holding.
  • 238 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.