Simplex Trading
SEM

Simplex Trading’s Select Medical SEM Stock Holding History

Simplex Trading’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
-1,642
Closed -$26.7K – 10190
2026
Q1 		$26.7K Sell
1,642
-328
-17% -$5.13K ﹤0.01% 6506
2025
Q4 		$29.3K Buy
1,970
+1,121
+132% +$15.8K ﹤0.01% 6129
2025
Q3 		$10K Buy
+849
New +$11.3K ﹤0.01% 7905
2025
Q2 		– Sell
-3,387
Closed -$52.8K – 9620
2025
Q1 		$56K Sell
3,387
-1,639
-33% -$30.2K ﹤0.01% 5650
2024
Q4 		$94K Buy
5,026
+4,987
+12,787% +$96.2K ﹤0.01% 5231
2024
Q3 		$0 Sell
39
-915
-96% -$17.5K ﹤0.01% 9460
2024
Q2 		$18K Buy
+954
New +$16.3K ﹤0.01% 6997
2022
Q4 		– Sell
-1,999
Closed -$25.8K – 10279
2022
Q3 		$23K Buy
+1,999
New +$28.4K ﹤0.01% 7380
2022
Q2 		– Sell
-1,136
Closed -$14.6K – 10963
2022
Q1 		$14K Buy
+1,136
New +$15K ﹤0.01% 8606
2018
Q3 		– Sell
-2,170
Closed -$22.5K – 7982
2018
Q2 		$21K Buy
+2,170
New +$21.3K ﹤0.01% 5825
2018
Q1 		– Sell
-26,700
Closed -$254K – 6783
2017
Q4 		$253K Buy
26,700
+14,135
+112% +$135K 0.01% 1107
2017
Q3 		$129K Buy
+12,565
New +$116K 0.01% 1506
2017
Q2 		– Sell
-208
Closed -$1K – 6716
2017
Q1 		$1K Buy
+208
New +$1.51K ﹤0.01% 5773
2015
Q4 		– Sell
-35
Closed – – 6063
2015
Q3 		$0 Sell
35
-258
-88% -$1.91K ﹤0.01% 6115
2015
Q2 		$2K Sell
293
-854
-74% -$7.17K ﹤0.01% 4351
2015
Q1 		$9K Buy
+1,147
New +$8.57K ﹤0.01% 3041

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

Simplex Trading's SEM Position: Q2 2026 in Review

Simplex Trading sold out of Select Medical (SEM) in Q2 2026, closing a stake of 1,642 shares — an estimated $26.7K sold.

Simplex Trading first reported a position in SEM in Q1 2015 and held it in 16 quarters. The position peaked at $253K in Q4 2017. 238 funds tracked by Wall St. Rank hold SEM as of Q2 2026.

  • Simplex Trading reported no remaining Select Medical position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 1,642 Select Medical shares in Q2 2026, an estimated $26.7K.
  • Simplex Trading first reported a position in Select Medical in Q1 2015 and held it in 16 quarters.
  • Simplex Trading's Select Medical position peaked at $253K in Q4 2017.
  • 238 funds tracked by Wall St. Rank held Select Medical as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.