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Palo Alto Investors LP

Position in ANNX — Annexon, Inc.

CIK 1306923 PALO ALTO, CA

Position in ANNX

as of Jun 30, 2026 · filed Aug 19, 2026
Position Value
$16,833,593
+$501,175 QoQ
Shares Held
2,948,090
0.0% QoQ
Ownership
1.44%
of shares outstanding
% of Portfolio
2.33%
of 13F equity value
Holder Rank
#19
of 216 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ANNX 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. ANNX ranks #12 (2.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ANNX

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,833,593 2,948,090
2026-03-31 $16,332,418 2,948,090
2025-12-31 $11,968,643 2,384,192