PRTA — PROTHENA CORP PLC

Ownership history in Engineers Gate Manager LP  ·  10 quarters on record

This page tracks every 13F SEC filing in which Engineers Gate Manager LP 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
0.04% (2021 Q3)
Avg. % of fund
0.02%
First filed
2021 Q2
Last filed
2025 Q3
Quarters held
10
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 56,080 +15,113 +36.9% 0.01% $547K $9.76
2025 Q2 ADDED 40,967 +4,444 +12.2% 0.00% $249K $6.07
2023 Q4 ADDED 36,523 +25,139 +220.8% 0.04% $1.3M $36.34
2023 Q3 ADDED 11,384 +7,683 +207.6% 0.02% $549K $48.25
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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