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CWM, LLC

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1535847 OMAHA, NE

Position in PRTA

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$99,882
+$3,475 QoQ
Shares Held
10,276
+1.8% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 8% Shared 0% None 92%

Common Shares in PRTA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

CWM, LLC holds $167,669,597 across 306 Biotechnology names. PRTA ranks #97 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $99,882 10,276
2025-12-31 $96,407 10,095
2025-09-30 $100,000 10,246
2025-06-30 $8,291 1,366
2025-03-31 $7,858 635
2024-12-31 $16,467 1,189
2024-09-30 $9,117 545
2024-06-30 $16,470 798
2024-03-31 $27,123 1,095
2023-12-31 $11,301 311
2023-09-30 $2 47
2023-06-30 $2 34
2023-03-31 $2 36
2022-12-31 $5,422 90
2022-09-30 $1,940 32
2022-06-30 $868 32
2022-03-31 $1,535 42
2021-12-31 $1,580 32
2021-06-30 $1,645 32
2021-03-31 $803 32
2020-12-31 $384 32
2020-09-30 $319 32
2020-06-30 $334 32
2020-03-31 $342 32