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Canton Hathaway, LLC

Position in PTGX — Protagonist Therapeutics, Inc

CIK 1755785 PROVIDENCE, RI

Position in PTGX

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$122,580
+$17,180 QoQ
Shares Held
1,000
0.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#273
of 343 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in PTGX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Canton Hathaway, LLC holds $783,315 across 6 Biotechnology names. PTGX ranks #3 (15.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 PTGX
Protagonist Therapeutics, Inc
This page
1,000 $122,580

All Filings in PTGX

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $122,580 1,000
2026-03-31 $105,400 1,000
2025-12-31 $87,340 1,000