Adage Capital Partners
SEM

Adage Capital Partners’s Select Medical SEM Stock Holding History

Adage Capital 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
2026
Q2 		– Sell
-658,467
Closed -$10.7M – 1076
2026
Q1 		$10.7M Sell
658,467
-526,932
-44% -$8.25M 0.02% 673
2025
Q4 		$17.6M Buy
+1,185,399
New +$16.8M 0.03% 535
2018
Q2 		– Sell
-92,800
Closed -$863K – 787
2018
Q1 		$863K Buy
+92,800
New +$884K ﹤0.01% 691
2014
Q2 		– Sell
-3,712,000
Closed -$24.9M – 735
2014
Q1 		$24.9M Buy
3,712,000
+1,299,200
+54% +$7.88M 0.07% 334
2013
Q4 		$15.1M Buy
2,412,800
+742,400
+44% +$3.62M 0.04% 449
2013
Q3 		$7.26M Buy
+1,670,400
New +$7.63M 0.02% 542

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

Adage Capital Partners's SEM Position: Q2 2026 in Review

Adage Capital Partners sold out of Select Medical (SEM) in Q2 2026, closing a stake of 658,467 shares — an estimated $10.7M sold.

Adage Capital Partners first reported a position in SEM in Q3 2013 and held it in 6 quarters. The position peaked at $24.9M in Q1 2014. 238 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

  • Adage Capital Partners reported no remaining Select Medical position as of Q2 2026 after selling out during the quarter.
  • Adage Capital Partners sold 658,467 Select Medical shares in Q2 2026, an estimated $10.7M.
  • Adage Capital Partners first reported a position in Select Medical in Q3 2013 and held it in 6 quarters.
  • Adage Capital Partners's Select Medical position peaked at $24.9M in Q1 2014.
  • 238 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

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