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SITTNER & NELSON, LLC

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1846138 EUGENE, OR

Position in PRTA

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$1,517
+$11 QoQ
Shares Held
155
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#158
of 187 holders
Holding Since
Dec 2020
23 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

SITTNER & NELSON, LLC holds $972,877 across 13 Biotechnology names. PRTA ranks #12 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,517 155
2026-03-31 $1,506 155
2025-12-31 $1,766 185
2025-09-30 $1,512 155
2025-06-30 $940 155
2025-03-31 $1,918 155
2024-12-31 $2,146 155
2024-09-30 $2,593 155
2024-06-30 $3,199 155
2024-03-31 $3,839 155
2023-12-31 $5,632 155
2023-09-30 $7,478 155
2023-06-30 $10,583 155
2023-03-31 $7,512 155
2022-12-31 $9,338 155
2022-09-30 $9,397 155
2022-06-30 $4,208 155
2022-03-31 $5,668 155
2021-12-31 $7,657 155
2021-09-30 $11,040 155
2021-06-30 $7,968 155
2021-03-31 $3,893 155
2020-12-31 $1,861 155