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
Q1 		$137K Buy
25,851
+16,939
+190% +$97.8K ﹤0.01% 4732
2025
Q4 		$47.9K Buy
8,912
+4,819
+118% +$22.3K ﹤0.01% 5695
2025
Q3 		$14K Buy
4,093
+3,139
+329% +$9.91K ﹤0.01% 7625
2025
Q2 		$2K Buy
+954
New +$1.97K ﹤0.01% 8100

Other funds holding CMPX

TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
SCM
Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $352M AUM 220.14% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Simplex Trading's CMPX Position: Q1 2026 in Review

Simplex Trading increased its Compass Therapeutics (CMPX) stake by 190% in Q1 2026, buying an estimated $97.8K and bringing the position to 25,851 shares worth $137K. The position accounts for ﹤0.01% of the portfolio, ranked #4732.

Simplex Trading first reported a position in CMPX in Q2 2025 and has held it in 4 quarters since. 201 funds tracked by Wall St. Rank hold CMPX as of Q1 2026.

  • Simplex Trading held 25,851 shares of Compass Therapeutics worth $137K as of Q1 2026.
  • Simplex Trading bought 16,939 Compass Therapeutics shares in Q1 2026, an estimated $97.8K.
  • Compass Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4732 holding.
  • Simplex Trading first reported a position in Compass Therapeutics in Q2 2025 and has held it in 4 quarters since.
  • 201 funds tracked by Wall St. Rank held Compass Therapeutics as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.