WELLINGTON MANAGEMENT GROUP LLP

Holdings History for Protagonist Therapeutics, Inc - Common Stock, $0.00001 par value (PTGX)

Symbol: PTGX on Nasdaq
Investment type: Equity / Common Stock, $0.00001 par value
Latest Disclosed Shares Owned: 3,171,423 shares
Security Ownership %: 5.1%

Shares, Excluding Options vs Price

Value, Excluding Options

Wellington Management Group LLP ownership in Protagonist Therapeutics, Inc Common Stock, $0.00001 par value (PTGX)

10 Feb 2026 - Wellington Management Group LLP has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 3,171,423 shares of Protagonist Therapeutics, Inc Common Stock, $0.00001 par value (PTGX). This represents 5.1% ownership of the company. This is the first filing by WELLINGTON MANAGEMENT GROUP LLP disclosing ownership of Protagonist Therapeutics, Inc Common Stock, $0.00001 par value (PTGX).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Wellington Management Group LLP	5.1%		$254,506,696	3,171,423			$80.25	13G	31 Dec 2025	10 Feb 2026, 11:19

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.05%	+0.02%	$276,992,086	3,171,423	+1,262,977	+66%	$87.34	Q4 2025
30 Sep 2025	0.02%	+0.01%	$126,778,068	1,908,446	+870,708	+84%	$66.43	Q3 2025
30 Jun 2025	0.01%	+0%	$57,355,780	1,037,738	+50,368	+5.1%	$55.27	Q2 2025
31 Mar 2025	0.01%	+0%	$47,749,214	987,370	+47,293		$48.36	Q1 2025
31 Dec 2024	0.01%	+0.01%	$36,286,972	940,077	+909,998	+3025%	$38.60	Q4 2024
30 Sep 2024	0%	+0%	$1,353,555	30,079	+30,079	NEW	$45.00	Q3 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.