Protagonist Therapeutics (PTGX) Institutional Ownership

$143.30 -6.20 (-4.15%)

As of 02:20 PM Eastern

Current Institutional Ownership Percentage: 98.63%
Number of Institutional Buyers (last 12 months): 203
Total Institutional Inflows (last 12 months): $4.68B

Number of Institutional Sellers (last 12 months): 114
Total Institutional Outflows (last 12 months): $609.40M

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PTGX Institutional Buying and Selling by Quarter

Protagonist Therapeutics Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/26/2026	Amundi	7,692	$943K	0.0%	+87.0%	0.012%
8/26/2026	HighTower Advisors LLC	5,308	$651K	0.0%	-1.4%	0.008%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	11,200	$1.37M	0.0%	N/A	0.017%
8/24/2026	California State Teachers Retirement System	7,227,439	$885.94M	0.0%	+12,217.3%	11.169%
8/22/2026	Concurrent Investment Advisors LLC	1,926	$236K	0.0%	-6.5%	0.003%
8/21/2026	AXQ Capital LP	2,138	$262K	0.0%	N/A	0.003%
8/20/2026	Alyeska Investment Group L.P.	889,298	$109.01M	0.3%	+49.9%	1.374%
8/20/2026	Northwestern Mutual Wealth Management Co.	48,894	$5.99M	0.0%	-0.3%	0.076%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	107,094	$13.13M	0.0%	-0.3%	0.165%
8/19/2026	Hsbc Holdings PLC	25,952	$3.20M	0.0%	+1,260.9%	0.040%
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8/19/2026	Wellington Management Group LLP	3,416,781	$418.83M	0.1%	-5.1%	5.280%
8/18/2026	Twin Lakes Capital Management LLC	58,059	$7.12M	2.7%	N/A	0.090%
8/18/2026	Empowered Funds LLC	2,264	$278K	0.0%	N/A	0.003%
8/17/2026	Seven Fleet Capital Management LP	45,400	$5.57M	0.9%	+1,035.0%	0.070%
8/17/2026	Artia Global Partners LP	22,951	$2.81M	0.5%	N/A	0.035%
8/17/2026	Bamco Inc. NY	16,000	$1.96M	0.0%	N/A	0.025%
8/17/2026	Bank of America Corp DE	1,324,498	$162.36M	0.0%	N/A	2.047%
8/15/2026	Jupiter Topco LLC	2,129,780	$261.04M	0.1%	N/A	3.291%
8/15/2026	Elmind Capital LP	38,000	$4.66B	1.2%	N/A	0.059%
8/15/2026	J. Goldman & Co LP	9,414	$1.15M	0.0%	N/A	0.015%
8/14/2026	ADAR1 Capital Management LLC	960,863	$117.78M	5.4%	N/A	1.485%
8/14/2026	Hsbc Holdings PLC	25,952	$3.20M	0.0%	N/A	0.040%
8/14/2026	EFG International AG	40,501	$4.96M	0.1%	N/A	0.063%
8/14/2026	Castleark Management LLC	50,570	$6.20M	0.2%	N/A	0.078%
8/14/2026	Legal & General Group Plc	132,351	$16.22M	0.0%	N/A	0.205%
8/14/2026	The Manufacturers Life Insurance Company	108,555	$13.31M	0.0%	N/A	0.168%
8/14/2026	Algert Global LLC	87,698	$10.75M	0.1%	+11.8%	0.136%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	29,161	$3.58M	0.0%	N/A	0.045%
8/12/2026	Elevation Point Wealth Partners LLC	2,369	$290K	0.0%	N/A	0.004%
8/12/2026	Northwestern Mutual Wealth Management Co.	48,894	$5.99M	0.0%	N/A	0.076%
8/12/2026	Quantbot Technologies LP	342	$42K	0.0%	N/A	0.001%
8/11/2026	Keating Financial Advisory Services Inc.	242	$30K	0.0%	N/A	0.000%
8/11/2026	Allworth Financial LP	254	$31K	0.0%	N/A	0.000%
8/11/2026	E Fund Management Co. Ltd.	3,891	$477K	0.0%	N/A	0.006%
8/10/2026	Eagle Health Investments LP	248,322	$30.44M	5.0%	N/A	0.386%
8/10/2026	Great Lakes Advisors LLC	56,904	$6.98M	0.1%	N/A	0.088%
8/7/2026	BlackRock Inc.	10,307,837	$1.26B	0.0%	N/A	16.028%
8/7/2026	Deutsche Bank AG	141,838	$17.39M	0.0%	N/A	0.221%
8/6/2026	Global Retirement Partners LLC	1,055	$129K	0.0%	N/A	0.002%
8/6/2026	Bank of New York Mellon Corp	358,300	$43.92M	0.0%	N/A	0.557%
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8/6/2026	State of Wyoming	3,102	$380K	0.0%	N/A	0.005%
8/6/2026	Johnson & Johnson	2,449,183	$300.22M	0.0%	N/A	3.808%
7/10/2026	Handelsbanken Fonder AB	21,400	$2.62M	0.0%	+7.5%	0.033%
7/9/2026	Franklin Street Advisors Inc. NC	12,810	$1.57M	0.1%	+15.6%	0.020%
7/7/2026	GAMMA Investing LLC	3,109	$381K	0.0%	+7.2%	0.005%
7/7/2026	Harbor Investment Advisory LLC	724	$89K	0.0%	N/A	0.001%
6/18/2026	Pacer Advisors Inc.	4,916	$518K	0.0%	N/A	0.008%
6/16/2026	Empowered Funds LLC	2,321	$245K	0.0%	N/A	0.004%
6/4/2026	Seven Fleet Capital Management LP	4,000	$422K	0.1%	-50.0%	0.006%
5/29/2026	Perceptive Advisors LLC	1,230,879	$129.74M	2.5%	-8.9%	1.914%
5/26/2026	Glenmede Trust Co. NA	9,235	$973K	0.0%	-27.6%	0.014%
5/26/2026	Axiom Investment Management LLC	2,000	$211K	0.2%	N/A	0.003%
5/22/2026	Segall Bryant & Hamill LLC	212,714	$22.42M	0.3%	+64.8%	0.331%
5/19/2026	Bank of America Corp DE	1,295,434	$136.54M	0.0%	+49.3%	2.014%
5/19/2026	Stempoint Capital LP	72,577	$7.65M	1.5%	+22.1%	0.113%
5/19/2026	Janus Henderson Group PLC	2,891,527	$304.87M	0.1%	+9.1%	4.496%
5/18/2026	ADAR1 Capital Management LLC	994,119	$104.78M	6.2%	-5.2%	1.546%
5/18/2026	Amundi	4,113	$434K	0.0%	N/A	0.006%
5/18/2026	EverSource Wealth Advisors LLC	911	$96K	0.0%	+63.0%	0.001%
5/18/2026	California State Teachers Retirement System	58,677	$6.19M	0.0%	+22.2%	0.091%
5/18/2026	Royal Bank of Canada	1,599	$169K	0.0%	-49.8%	0.002%
5/18/2026	Rubric Capital Management LP	427,998	$45.11M	0.5%	N/A	0.666%
5/18/2026	Eagle Health Investments LP	179,322	$18.90M	3.3%	+213.0%	0.279%
5/18/2026	Empowered Funds LLC	2,321	$245K	0.0%	N/A	0.004%
5/16/2026	The Manufacturers Life Insurance Company	127,818	$13.47M	0.0%	+12.8%	0.199%
5/16/2026	Quantinno Capital Management LP	6,437	$678K	0.0%	+30.1%	0.010%
5/16/2026	Orbimed Advisors LLC	42,100	$4.44M	0.1%	+94.0%	0.065%
5/15/2026	Weiss Asset Management LP	9,780	$1.03M	0.0%	N/A	0.015%
5/15/2026	Granahan Investment Management LLC	27,391	$2.89M	0.1%	N/A	0.043%
5/14/2026	Gabelli Funds LLC	3,229	$340K	0.0%	N/A	0.005%
5/14/2026	Atika Capital Management LLC	62,100	$6.55M	0.8%	-27.8%	0.097%
5/14/2026	Knott David M Jr	63,000	$6.64M	3.9%	-13.7%	0.098%
5/14/2026	Sei Investments Co.	83,197	$8.77M	0.0%	+122.8%	0.129%
5/13/2026	First Trust Advisors LP	87,858	$9.26M	0.0%	+89.1%	0.137%
5/8/2026	PNC Financial Services Group Inc.	3,998	$421K	0.0%	+35.1%	0.006%
5/7/2026	Dimensional Fund Advisors LP	508,103	$53.54M	0.0%	+22.6%	0.790%
5/7/2026	AlphaCentric Advisors LLC	9,040	$953K	1.0%	+5.7%	0.014%
5/7/2026	SEB Asset Management AB	232,416	$24.50M	0.1%	N/A	0.361%
5/7/2026	Swiss National Bank	98,900	$10.42M	0.0%	+0.7%	0.154%
5/6/2026	Jennison Associates LLC	1,072,011	$112.99M	0.1%	+223.7%	1.667%
5/6/2026	Assetmark Inc.	46,442	$4.90M	0.0%	+16,195.4%	0.072%
5/6/2026	Allspring Global Investments Holdings LLC	29,916	$3.10M	0.0%	+650.7%	0.047%
5/5/2026	Bank of New York Mellon Corp	341,465	$35.99M	0.0%	-2.5%	0.531%
5/5/2026	Illinois Municipal Retirement Fund	28,596	$3.01M	0.0%	-8.5%	0.044%
5/4/2026	Calamos Advisors LLC	23,473	$2.47M	0.0%	N/A	0.036%
5/4/2026	Bleakley Financial Group LLC	12,802	$1.35M	0.0%	N/A	0.020%
5/4/2026	Principal Financial Group Inc.	367,822	$38.77M	0.0%	+5.7%	0.572%
5/1/2026	Fifth Third Bancorp	13,202	$1.39M	0.0%	+3,937.3%	0.021%
4/30/2026	Hsbc Holdings PLC	1,907	$201K	0.0%	N/A	0.003%
4/30/2026	Sumitomo Mitsui Trust Group Inc.	2,760	$291K	0.0%	+7.8%	0.004%
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4/29/2026	Burney Co.	3,179	$335K	0.0%	-13.6%	0.005%
4/28/2026	Abel Hall LLC	4,258	$449K	0.1%	N/A	0.007%
4/27/2026	New York State Teachers Retirement System	47,424	$5.00M	0.0%	-3.9%	0.074%
4/25/2026	Strs Ohio	15,400	$1.62M	0.0%	-3.1%	0.024%
4/25/2026	Keybank National Association OH	4,286	$452K	0.0%	N/A	0.007%
4/23/2026	Inspire Investing LLC	5,036	$531K	0.0%	-7.8%	0.008%
4/22/2026	Pictet Asset Management Holding SA	581,083	$61.25M	0.1%	+9.7%	0.911%
4/21/2026	Louisiana State Employees Retirement System	26,100	$2.75M	0.0%	N/A	0.041%
4/16/2026	SG Americas Securities LLC	18,097	$1.91M	0.0%	-9.5%	0.028%
3/17/2026	Rockefeller Capital Management L.P.	3,292	$288K	0.0%	+10.5%	0.005%

PTGX Institutional Ownership - Frequently Asked Questions

During the previous two years, 353 institutional investors and hedge funds held shares of Protagonist Therapeutics. The most heavily invested institutionals were Elmind Capital LP ($4.66B), BlackRock Inc. ($1.26B), California State Teachers Retirement System ($885.94M), Farallon Capital Management LLC ($536.62M), Vanguard Group Inc. ($472.83M), RTW Investments LP ($441.86M), and Wellington Management Group LLP ($418.83M).Learn more on Protagonist Therapeutics' institutional investors.

98.63% of Protagonist Therapeutics' stock is owned by institutional investors. Learn more on PTGX's institutional investor holdings.

Of the 319 institutional investors that purchased Protagonist Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($10.31M), California State Teachers Retirement System ($7.19M), Wellington Management Group LLP ($4.03M), Johnson & Johnson ($2.45M), Jupiter Topco LLC ($2.13M), Bank of America Corp DE ($2.10M), and Pacer Advisors Inc. ($1.88M).

Institutional investors have bought a total of 43,599,960 shares in the last 24 months. This purchase volume represents approximately $4.68B in transactions.

Of the 114 institutional investors that sold Protagonist Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Deep Track Capital LP ($1.53M), Jefferies Financial Group Inc. ($819.02K), RTW Investments LP ($697.22K), Commodore Capital LP ($625K), UBS Group AG ($605.24K), Adage Capital Partners GP L.L.C. ($485.37K), and JPMorgan Chase & Co. ($471.68K).

Institutional investors have sold a total of 7,710,970 shares in the last 24 months. This volume of shares sold represents approximately $609.40M in transactions.

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Institutional ownership data for NASDAQ:PTGX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/26/2026. New 13F filings are added each quarter as they're published.

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Protagonist Therapeutics (PTGX) Institutional Ownership

PTGX Institutional Buying and Selling by Quarter

Protagonist Therapeutics Major Shareholders & Ownership History

PTGX Institutional Ownership - Frequently Asked Questions

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Protagonist Therapeutics (PTGX) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Protagonist Therapeutics (NASDAQ:PTGX)

PTGX Institutional Buying and Selling by Quarter

Protagonist Therapeutics Major Shareholders & Ownership History

PTGX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of PTGX shares?

What percentage of Protagonist Therapeutics' stock is owned by institutional investors?

Which institutional investors have been buying Protagonist Therapeutics' stock?

How much institutional buying is happening at Protagonist Therapeutics?

Which of Protagonist Therapeutics' major shareholders have been selling company stock?

How much institutional selling is happening at Protagonist Therapeutics?

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