Adage Capital Partners’s Compass Therapeutics CMPX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$2.6M Sell
1,186,500
-7,300,000
-86% -$21.6M ﹤0.01% 856
2026
Q1
$44.9M Buy
8,486,500
+4,050,000
+91% +$23.4M 0.07% 273
2025
Q4
$23.8M Sell
4,436,500
-750,000
-14% -$3.46M 0.04% 429
2025
Q3
$18.2M Buy
5,186,500
+761,632
+17% +$2.41M 0.03% 496
2025
Q2
$11.5M Buy
4,424,868
+449,868
+11% +$928K 0.02% 587
2025
Q1
$7.55M Sell
3,975,000
-2,019,810
-34% -$5.37M 0.01% 638
2024
Q4
$8.69M Sell
5,994,810
-5,135,190
-46% -$8.53M 0.02% 638
2024
Q3
$20.5M Hold
11,130,000
0.04% 442
2024
Q2
$11.1M Hold
11,130,000
0.02% 577
2024
Q1
$22M Buy
11,130,000
+1,250,000
+13% +$2.16M 0.04% 423
2023
Q4
$15.4M Buy
9,880,000
+3,500,000
+55% +$6.06M 0.03% 500
2023
Q3
$12.6M Buy
6,380,000
+130,000
+2% +$321K 0.03% 523
2023
Q2
$19.9M Hold
6,250,000
0.04% 406
2023
Q1
$20.4M Buy
6,250,000
+475,200
+8% +$1.87M 0.05% 408
2022
Q4
$29M Buy
5,774,800
+1,168,200
+25% +$4.66M 0.07% 325
2022
Q3
$10.5M Buy
4,606,600
+200,000
+5% +$554K 0.03% 624
2022
Q2
$11.7M Buy
4,406,600
+2,129,600
+94% +$4.62M 0.03% 633
2022
Q1
$3.12M Buy
2,277,000
+877,000
+63% +$1.81M 0.01% 873
2021
Q4
$4.44M Buy
+1,400,000
New +$4.64M 0.01% 826

Other funds holding CMPX

Adage Capital Partners's CMPX Position: Q2 2026 in Review

Adage Capital Partners reduced its Compass Therapeutics (CMPX) stake by 86% in Q2 2026, selling an estimated $21.6M and leaving 1,186,500 shares worth $2.6M. The position accounts for ﹤0.01% of the portfolio, ranked #856.

Adage Capital Partners first reported a position in CMPX in Q4 2021 and has held it in 19 quarters since. The position peaked at $44.9M in Q1 2026. 216 funds tracked by Wall St. Rank hold CMPX as of Q2 2026.

  • Adage Capital Partners held 1,186,500 shares of Compass Therapeutics worth $2.6M as of Q2 2026.
  • Adage Capital Partners sold 7,300,000 Compass Therapeutics shares in Q2 2026, an estimated $21.6M.
  • Compass Therapeutics made up ﹤0.01% of Adage Capital Partners's portfolio in Q2 2026, its #856 holding.
  • Adage Capital Partners first reported a position in Compass Therapeutics in Q4 2021 and has held it in 19 quarters since.
  • Adage Capital Partners's Compass Therapeutics position peaked at $44.9M in Q1 2026.
  • 216 funds tracked by Wall St. Rank held Compass Therapeutics as of Q2 2026.

Based on Adage Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.