Acadian Asset Management
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Acadian Asset Management’s Compass Therapeutics CMPX Stock Holding History

Acadian Asset Management’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
Q3 		$2.73M Buy
2,635,682
+1,474,451
+127% +$3.04M ﹤0.01% 979
2026
Q2 		$2.54M Buy
+1,161,231
New +$3.43M ﹤0.01% 1015
2026
Q1 		– Sell
-4,867
Closed -$26K – 2052
2025
Q4 		$26K Buy
+4,867
New +$22.5K ﹤0.01% 1881

Other funds holding CMPX

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
Royce & Associates
Royce & Associates New York $11B AUM 39.4% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Acadian Asset Management's CMPX Position: Q3 2026 in Review

Acadian Asset Management increased its Compass Therapeutics (CMPX) stake by 127% in Q3 2026, buying an estimated $3.04M and bringing the position to 2,635,682 shares worth $2.73M. The position accounts for ﹤0.01% of the portfolio, ranked #979.

Acadian Asset Management first reported a position in CMPX in Q4 2025 and has held it in 3 quarters since. 68 funds tracked by Wall St. Rank hold CMPX as of Q3 2026.

  • Acadian Asset Management held 2,635,682 shares of Compass Therapeutics worth $2.73M as of Q3 2026.
  • Acadian Asset Management bought 1,474,451 Compass Therapeutics shares in Q3 2026, an estimated $3.04M.
  • Compass Therapeutics made up ﹤0.01% of Acadian Asset Management's portfolio in Q3 2026, its #979 holding.
  • Acadian Asset Management first reported a position in Compass Therapeutics in Q4 2025 and has held it in 3 quarters since.
  • 68 funds tracked by Wall St. Rank held Compass Therapeutics as of Q3 2026.

Based on Acadian Asset Management's 13F filing for Q3 2026, filed 9 Nov 2026.