PRTA — PROTHENA CORP PLC

Ownership history in ALGERT GLOBAL LLC  ·  10 quarters on record

This page tracks every 13F SEC filing in which ALGERT GLOBAL LLC reported a position in PROTHENA CORP PLC (PRTA). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.07% (2025 Q3)
Avg. % of fund
0.05%
First filed
2022 Q1
Last filed
2025 Q3
Quarters held
10
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 445,811 +397,661 +825.9% 0.07% $4.4M $9.76
2025 Q2 REDUCED 48,150 -24,811 -34.0% 0.01% $292K $6.07
2024 Q3 REDUCED 72,961 -4,230 -5.5% 0.03% $1.2M $16.73
2024 Q2 ADDED 77,191 +28,841 +59.7% 0.05% $1.6M $20.64
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    PRTA price (monthly, adj. close)

Other funds also holding PRTA

As of 2025 Q4 — sorted by position size

Rangeley Capital, LLC 4.16% Birchview Capital, LP 3Y 7Y 2.47% Palo Alto Investors LP 3Y 7Y 1.76% MONIMUS CAPITAL MANAGEMENT, LP 1.6% ADAR1 Capital Management, LLC 1.01% DCF Advisers, LLC 3Y 0.5% Rubric Capital Management LP 3Y 7Y 0.42% Seven Fleet Capital Management LP 0.31% ARMISTICE CAPITAL, LLC 3Y 7Y 0.17% Duncan Williams Asset Management, LLC 0.16%
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