Simplex Trading
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Simplex Trading’s Compass Therapeutics CMPX Stock Holding History

Simplex Trading’s Portfolio CMPX Stock Details CMPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$13.6K Sell
6,200
-4,100
-40% -$12.1K ﹤0.01% 7440
2026
Q1 		$54.5K Buy
10,300
+9,800
+1,960% +$56.6K ﹤0.01% 5790
2025
Q4 		$2.69K Buy
500
+200
+67% +$924 ﹤0.01% 7727
2025
Q3 		$1K Sell
300
-6,300
-95% -$19.9K ﹤0.01% 8781
2025
Q2 		$17K Sell
6,600
-324,700
-98% -$670K ﹤0.01% 6892
2025
Q1 		$629K Buy
+331,300
New +$881K ﹤0.01% 3146

Other funds holding CMPX

TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
SCM
Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $345M AUM 134.64% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PAI
Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Simplex Trading's CMPX Position: Q2 2026 in Review

Simplex Trading increased its Compass Therapeutics (CMPX) stake by 124% in Q2 2026, buying an estimated $94.3K and bringing the position to 57,790 shares worth $127K. The position accounts for ﹤0.01% of the portfolio, ranked #5268.

Simplex Trading first reported a position in CMPX in Q2 2025 and has held it in 5 quarters since. The position peaked at $137K in Q1 2026. 216 funds tracked by Wall St. Rank hold CMPX as of Q2 2026.

  • Simplex Trading held 57,790 shares of Compass Therapeutics worth $127K as of Q2 2026.
  • Simplex Trading bought 31,939 Compass Therapeutics shares in Q2 2026, an estimated $94.3K.
  • Compass Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5268 holding.
  • Simplex Trading first reported a position in Compass Therapeutics in Q2 2025 and has held it in 5 quarters since.
  • Simplex Trading's Compass Therapeutics position peaked at $137K in Q1 2026.
  • 216 funds tracked by Wall St. Rank held Compass Therapeutics as of Q2 2026.

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