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Clearstead Advisors, LLC

Position in PRTA — Prothena Corp Public Ltd Co

CIK 842775 CLEVELAND, OH

Position in PRTA

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$39
+$1 QoQ
Shares Held
4
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#183
of 187 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in PRTA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Clearstead Advisors, LLC holds $22,018,760 across 201 Biotechnology names. PRTA ranks #182 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

Export CSV
9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $39 4
2026-03-31 $38 4
2025-12-31 $95 10
2025-09-30 $204 21
2025-06-30 $24 4
2025-03-31 $49 4
2024-12-31 $55 4
2024-09-30 $66 4
2024-06-30 $82 4