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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in CMPX — Compass Therapeutics, Inc.

CIK 1165408 Boston, MA

Position in CMPX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,598,435
-$42,295,150 QoQ
Shares Held
1,186,500
-86.0% QoQ
Ownership
0.659%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#24
of 213 holders
Holding Since
Dec 2021
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CMPX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,240,035,723 across 126 Biotechnology names. CMPX ranks #107 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CMPX

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19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,598,435 1,186,500
2026-03-31 $44,893,585 8,486,500
2025-12-31 $23,824,005 4,436,500
2025-09-30 $18,152,750 5,186,500
2025-06-30 $11,504,656 4,424,868
2025-03-31 $7,552,500 3,975,000
2024-12-31 $8,692,474 5,994,810
2024-09-30 $20,479,200 11,130,000
2024-06-30 $11,130,000 11,130,000
2024-03-31 $22,037,400 11,130,000
2023-12-31 $15,412,800 9,880,000
2023-09-30 $12,568,600 6,380,000
2023-06-30 $19,875,000 6,250,000
2023-03-31 $20,437,500 6,250,000
2022-12-31 $29,047,244 5,774,800
2022-09-30 $10,503,048 4,606,600
2022-06-30 $11,677,490 4,406,600
2022-03-31 $3,119,490 2,277,000
2021-12-31 $4,438,000 1,400,000