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Palo Alto Investors LP

Position in CMPX — Compass Therapeutics, Inc.

CIK 1306923 PALO ALTO, CA

Position in CMPX

as of Jun 30, 2026 · filed Aug 19, 2026
Position Value
$12,771,670
+$4,759,944 QoQ
Shares Held
5,831,813
+285.1% QoQ
Ownership
3.24%
of shares outstanding
% of Portfolio
1.76%
of 13F equity value
Holder Rank
#9
of 213 holders
Holding Since
Dec 2025
3 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

Palo Alto Investors LP holds $594,195,112 across 39 Biotechnology names. CMPX ranks #15 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CMPX

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,771,670 5,831,813
2026-03-31 $8,011,726 1,514,504
2025-12-31 $13,599,090 2,532,419