Group One Trading
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Group One Trading’s Compass Therapeutics CMPX Stock Holding History

Group One 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
Q3 		$38.5K Sell
37,000
-24,100
-39% -$49.7K ﹤0.01% 5427
2026
Q2 		$134K Buy
61,100
+44,300
+264% +$131K ﹤0.01% 4608
2026
Q1 		$88.9K Buy
16,800
+16,700
+16,700% +$96.4K ﹤0.01% 4839
2025
Q4 		$537 Sell
100
-4,700
-98% -$21.7K ﹤0.01% 7801
2025
Q3 		$16.8K Sell
4,800
-9,400
-66% -$29.7K ﹤0.01% 6830
2025
Q2 		$36.9K Buy
+14,200
New +$29.3K ﹤0.01% 5812

Other funds holding CMPX

State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 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
CM
CM Management Gulf Breeze, Florida $149M AUM 35.54% 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

Group One Trading's CMPX Position: Q3 2026 in Review

Group One Trading increased its Compass Therapeutics (CMPX) stake by 31% in Q3 2026, buying an estimated $52.6K and bringing the position to 107,068 shares worth $111K. The position accounts for ﹤0.01% of the portfolio, ranked #4639.

Group One Trading first reported a position in CMPX in Q4 2025 and has held it in 4 quarters since. The position peaked at $179K in Q2 2026. 83 funds tracked by Wall St. Rank hold CMPX as of Q3 2026.

  • Group One Trading held 107,068 shares of Compass Therapeutics worth $111K as of Q3 2026.
  • Group One Trading bought 25,511 Compass Therapeutics shares in Q3 2026, an estimated $52.6K.
  • Compass Therapeutics made up ﹤0.01% of Group One Trading's portfolio in Q3 2026, its #4639 holding.
  • Group One Trading first reported a position in Compass Therapeutics in Q4 2025 and has held it in 4 quarters since.
  • Group One Trading's Compass Therapeutics position peaked at $179K in Q2 2026.
  • 83 funds tracked by Wall St. Rank held Compass Therapeutics as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.