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WELLINGTON MANAGEMENT GROUP LLP

Position in CMPX — Compass Therapeutics, Inc.

CIK 902219 Boston, MA

Position in CMPX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$829,323
-$1,075,738 QoQ
Shares Held
378,687
+5.2% QoQ
Ownership
0.210%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#46
of 213 holders
Holding Since
Mar 2024
8 quarters on record
Voting authority Sole 0% Shared 72% None 28%

Common Shares in CMPX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. CMPX ranks #170 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CMPX

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $829,323 378,687
2026-03-31 $1,905,061 360,125
2025-12-31 $1,701,478 316,849
2025-09-30 $1,113,433 318,124
2025-06-30 $904,903 348,040
2025-03-31 $422,758 222,505
2024-06-30 $243,650 243,650
2024-03-31 $634,829 320,621