PTGX — PROTAGONIST THERAPEUTICS INC

Ownership history in Quantbot Technologies LP  ·  7 quarters on record

This page tracks every 13F SEC filing in which Quantbot Technologies LP reported a position in PROTAGONIST THERAPEUTICS INC (PTGX). 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 Q4)
Avg. % of fund
0.01%
First filed
2020 Q3
Last filed
2025 Q3
Quarters held
7
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 3,303 -3,397 -50.7% 0.01% $219K $66.43
2022 Q4 ADDED 6,700 +5,700 +570.0% 0.01% $73K $10.91
2022 Q3 REDUCED 1,000 -8,658 -89.6% 0.00% $8K $8.43
2022 Q2 REDUCED 9,658 -3,446 -26.3% 0.01% $76K $7.91
3 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    PTGX price (monthly, adj. close)

Other funds also holding PTGX

As of 2025 Q4 — sorted by position size

JOHNSON & JOHNSON 3Y 38.57% AIHC Capital Management Ltd 15.54% ADAR1 Capital Management, LLC 6.63% Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. 4.43% RTW INVESTMENTS, LP 3Y 7Y 4.43% Knott David M Jr 3Y 2.95% Birchview Capital, LP 3Y 7Y 2.81% Commodore Capital LP 3Y 2.62% FARALLON CAPITAL MANAGEMENT LLC 3Y 7Y 2.53% PERCEPTIVE ADVISORS LLC 3Y 7Y 2.1%
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