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NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1141802 MILWAUKEE, WI

Position in PRTA

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$4,895
+$4,409 QoQ
Shares Held
500
+900.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#144
of 187 holders
Holding Since
Dec 2021
6 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

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO holds $32,462,816 across 144 Biotechnology names. PRTA ranks #73 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,895 500
2026-03-31 $486 50
2025-12-31 $515 54
2025-09-30 $488 50
2022-12-31 $12,712 211
2021-12-31 $3,606 73