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Protagonist Therapeutics (PTGX) Institutional Ownership

Protagonist Therapeutics logo
$99.21 -0.31 (-0.31%)
Closing price 04:00 PM Eastern
Extended Trading
$110.49 +11.28 (+11.37%)
As of 05:56 PM Eastern
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Institutional Ownership Changes (13F Filings) for Protagonist Therapeutics (NASDAQ:PTGX)

Current
Institutional Ownership
Percentage
98.63%
Number of
Institutional Buyers
(last 12 months)
241
Total
Institutional Inflows
(last 12 months)
$1.68B
Number of
Institutional Sellers
(last 12 months)
131
Total
Institutional Outflows
(last 12 months)
$742.64M
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PTGX Institutional Buying and Selling by Quarter

Protagonist Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/5/2026Bank of New York Mellon Corp341,465$35.99M0.0%-2.5%0.531%
5/5/2026Illinois Municipal Retirement Fund28,596$3.01M0.0%-8.5%0.044%
5/4/2026Calamos Advisors LLC23,473$2.47M0.0%N/A0.036%
5/4/2026Bleakley Financial Group LLC12,802$1.35M0.0%N/A0.020%
5/4/2026Principal Financial Group Inc.367,822$38.77M0.0%+5.7%0.572%
5/1/2026 Fifth Third Bancorp13,202$1.39M0.0%+3,937.3%0.021%
4/30/2026 Hsbc Holdings PLC1,907$201K0.0%N/A0.003%
4/30/2026 Sumitomo Mitsui Trust Group Inc.2,760$291K0.0%+7.8%0.004%
4/29/2026 Burney Co.3,179$335K0.0%-13.6%0.005%
4/28/2026 Abel Hall LLC4,258$449K0.1%N/A0.007%
4/27/2026 New York State Teachers Retirement System47,424$5.00M0.0%-3.9%0.074%
4/25/2026 Strs Ohio15,400$1.62M0.0%-3.1%0.024%
4/25/2026 Keybank National Association OH4,286$452K0.0%N/A0.007%
4/23/2026 Inspire Investing LLC5,036$531K0.0%-7.8%0.008%
4/22/2026 Pictet Asset Management Holding SA581,083$61.25M0.1%+9.7%0.911%
4/21/2026 Louisiana State Employees Retirement System26,100$2.75M0.0%N/A0.041%
4/16/2026 SG Americas Securities LLC18,097$1.91M0.0%-9.5%0.028%
3/17/2026Rockefeller Capital Management L.P.3,292$288K0.0%+10.5%0.005%
2/26/2026Seven Fleet Capital Management LP8,000$699K0.5%N/A0.013%
2/19/2026Invesco Ltd.1,567,840$136.94M0.0%+56.2%2.508%
2/18/2026Vident Advisory LLC4,191$366K0.0%-17.3%0.007%
2/18/2026State of Tennessee Department of Treasury23,526$1.92M0.0%-11.2%0.038%
2/18/2026Mackenzie Financial Corp3,648$318K0.0%-10.2%0.006%
2/18/2026KVP Capital Advisors LP53,000$4.63M4.5%N/A0.085%
2/18/2026Virtus Investment Advisers LLC2,790$244K0.1%+38.1%0.004%
2/18/2026Wellington Management Group LLP3,171,423$276.99M0.1%+66.2%5.073%
2/18/2026SummitTX Capital L.P.42,266$3.69M0.1%+34.2%0.068%
2/18/2026RTW Investments LP5,059,053$441.86M4.4%-12.1%8.092%
2/18/2026Orbimed Advisors LLC21,700$1.90M0.0%N/A0.035%
2/18/2026Perceptive Advisors LLC1,350,425$117.95M2.1%+31.1%2.160%
2/18/2026Millennium Management LLC17,391$1.52M0.0%-86.4%0.028%
2/18/2026 Inspire Investing LLC5,460$477K0.0%-21.3%0.009%
2/18/2026Janus Henderson Group PLC2,649,981$231.36M0.1%+140.7%4.239%
2/18/2026Gotham Asset Management LLC21,595$1.89M0.0%-2.7%0.035%
2/18/2026Elmind Capital LP38,000$3.32M1.0%N/A0.061%
2/18/2026Eversept Partners LP52,961$4.63M0.2%N/A0.085%
2/18/2026Commodore Capital LP450,000$39.30M2.6%-56.1%0.720%
2/18/2026Bamco Inc. NY8,300$725K0.0%N/A0.013%
2/17/2026Guggenheim Capital LLC31,096$2.72M0.0%+67.3%0.050%
2/17/2026ADAR1 Capital Management LLC1,049,168$91.63M6.7%+6.1%1.678%
2/17/2026AQR Capital Management LLC6,954$607K0.0%-18.9%0.011%
2/17/2026EFG International AG72,623$6.34M0.1%N/A0.116%
2/17/2026MPM Bioimpact LLC199,471$17.42M2.0%N/A0.319%
2/17/2026Jain Global LLC12,850$1.12M0.0%-13.5%0.021%
2/17/2026Pentwater Capital Management LP50,000$4.37M0.0%N/A0.080%
2/17/2026Farallon Capital Management LLC6,144,006$536.62M2.5%-0.8%9.827%
2/17/2026Price T Rowe Associates Inc. MD1,400,738$122.34M0.0%+14.8%2.240%
2/17/2026Osaic Holdings Inc.4,201$367K0.0%+202.0%0.007%
2/17/2026Adage Capital Partners GP L.L.C.232,836$20.34M0.0%-67.6%0.372%
2/17/2026California State Teachers Retirement System48,033$4.20M0.0%+1.3%0.077%
2/17/2026Diadema Partners LP22,700$1.98M0.3%-55.7%0.036%
2/17/2026Russell Investments Group Ltd.5,723$500K0.0%-3.4%0.009%
2/17/2026Maryland State Retirement & Pension System8,603$751K0.0%+2.3%0.014%
2/17/2026State of Wisconsin Investment Board34,786$3.04M0.0%-15.0%0.056%
2/17/2026Captrust Financial Advisors2,732$239K0.0%-17.5%0.004%
2/17/2026Royal Bank of Canada3,183$278K0.0%-95.5%0.005%
2/17/2026Persistent Asset Partners Ltd7,908$691K0.3%-32.9%0.013%
2/16/2026Truvestments Capital LLC1,161$101K0.0%+60.8%0.002%
2/16/2026Panagora Asset Management Inc.125,384$10.95M0.0%-15.7%0.201%
2/16/2026Mariner LLC7,620$666K0.0%-43.8%0.012%
2/16/2026NEXTBio Capital Management LP229,619$20.06M11.8%N/A0.367%
2/16/2026Fieldview Capital Management LLC5,841$510K0.1%N/A0.009%
2/16/2026Kennedy Capital Management LLC221,444$19.34M0.4%+6.2%0.354%
2/16/2026Dymon Asia Capital Singapore PTE. LTD.10,000$873K0.1%N/A0.016%
2/16/2026Barclays PLC187,642$16.39M0.0%+9.5%0.300%
2/13/2026FORA Capital LLC9,130$788K0.1%+147.8%0.015%
2/13/2026Marshall Wace LLP1,024,925$89.52M0.1%-5.6%1.639%
2/13/2026The Manufacturers Life Insurance Company 113,340$9.89M0.0%-16.1%0.181%
2/13/2026Quinn Opportunity Partners LLC55,259$4.83M0.2%N/A0.088%
2/13/2026Soros Fund Management LLC100,000$8.73M0.1%N/A0.160%
2/13/2026CANADA LIFE ASSURANCE Co49,640$4.33M0.0%+2.5%0.079%
2/13/2026Segall Bryant & Hamill LLC129,060$11.27M0.2%+4.8%0.206%
2/13/2026Affinity Asset Advisors LLC172,125$15.03M0.9%-22.0%0.275%
2/13/2026Hudson Bay Capital Management LP109,615$9.57M0.0%N/A0.175%
2/13/2026Smartleaf Asset Management LLC1,727$151K0.0%+23.1%0.003%
2/13/2026Greenline Wealth Management LLC304$27K0.0%N/A0.000%
2/13/2026Morgan Stanley879,024$76.77M0.0%+14.4%1.406%
2/13/2026Schroder Investment Management Group45,254$3.95M0.0%N/A0.072%
2/13/2026Public Sector Pension Investment Board203,426$17.77M0.1%-10.8%0.325%
2/13/2026Rafferty Asset Management LLC63,661$5.56M0.0%-14.9%0.102%
2/13/2026First Trust Advisors LP46,454$4.06M0.0%-25.9%0.074%
2/13/2026Headlands Technologies LLC17,079$1.49M0.1%N/A0.027%
2/13/2026Birchview Capital LP55,000$4.80M2.8%+14.6%0.088%
2/13/2026Alyeska Investment Group L.P.199,523$17.43M0.0%N/A0.319%
2/13/2026Charles Schwab Investment Management Inc.556,762$48.63M0.0%+0.7%0.891%
2/13/2026 Police & Firemen s Retirement System of New Jersey15,834$1.38M0.0%-1.8%0.025%
2/13/2026State Street Corp3,199,729$279.46M0.0%+1.1%5.118%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC104,528$9.13M0.0%-5.2%0.167%
2/13/2026Wells Fargo & Company MN71,645$6.26M0.0%+49.9%0.115%
2/13/2026Keystone Investors PTE Ltd.26,390$2.31M0.2%N/A0.042%
2/12/2026 Brooklyn Investment Group4,331$381K0.0%N/A0.007%
2/12/2026Orion Porfolio Solutions LLC4,396$384K0.0%-36.5%0.007%
2/12/2026MetLife Investment Management LLC32,440$2.83M0.0%-4.2%0.052%
2/12/2026Cibc World Markets Corp3,851$336K0.0%N/A0.006%
2/12/2026Renaissance Technologies LLC8,167$713K0.0%N/A0.013%
2/12/2026Dimensional Fund Advisors LP414,415$36.20M0.0%-5.5%0.663%
2/12/2026Ensign Peak Advisors Inc4,486$392K0.0%-59.2%0.007%
2/12/2026AlphaCentric Advisors LLC8,549$747K0.7%N/A0.014%
2/12/2026Informed Momentum Co LLC78,498$6.86M0.8%-2.0%0.126%
2/12/2026Skandinaviska Enskilda Banken AB publ 205,574$17.96M0.1%+160.9%0.329%


PTGX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of PTGX shares?

During the previous two years, 340 institutional investors and hedge funds held shares of Protagonist Therapeutics. The most heavily invested institutionals were Farallon Capital Management LLC ($536.62M), Vanguard Group Inc. ($472.83M), RTW Investments LP ($441.86M), State Street Corp ($279.46M), Wellington Management Group LLP ($276.99M), UBS Group AG ($241.93M), and Janus Henderson Group PLC ($231.36M).Learn more on Protagonist Therapeutics' institutional investors.

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

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

Which institutional investors have been buying Protagonist Therapeutics' stock?

Of the 306 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: Wellington Management Group LLP ($4.03M), Pacer Advisors Inc. ($1.88M), State Street Corp ($1.64M), Janus Henderson Group PLC ($1.55M), BVF Inc. IL ($1.36M), Vanguard Group Inc. ($1.26M), and Millennium Management LLC ($1.13M).

How much institutional buying is happening at Protagonist Therapeutics?

Institutional investors have bought a total of 23,928,865 shares in the last 24 months. This purchase volume represents approximately $1.68B in transactions.

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

Of the 131 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: Jefferies Financial Group Inc. ($1.68M), Deep Track Capital LP ($1.53M), 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).

How much institutional selling is happening at Protagonist Therapeutics?

Institutional investors have sold a total of 10,806,450 shares in the last 24 months. This volume of shares sold represents approximately $741.42M in transactions.


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This page (NASDAQ:PTGX) was last updated on 5/5/2026 by MarketBeat.com Staff.
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