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Protagonist Therapeutics (PTGX) Institutional Ownership

Protagonist Therapeutics logo
$140.07 -0.78 (-0.55%)
Closing price 04:00 PM Eastern
Extended Trading
$139.90 -0.16 (-0.12%)
As of 06:23 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)
225
Total
Institutional Inflows
(last 12 months)
$1.77B
Number of
Institutional Sellers
(last 12 months)
125
Total
Institutional Outflows
(last 12 months)
$658.98M
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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
7/7/2026 GAMMA Investing LLC3,109$381K0.0%+7.2%0.005%
7/7/2026 Harbor Investment Advisory LLC724$89K0.0%N/A0.001%
6/18/2026Pacer Advisors Inc.4,916$518K0.0%N/A0.008%
6/16/2026Empowered Funds LLC2,321$245K0.0%N/A0.004%
6/4/2026Seven Fleet Capital Management LP4,000$422K0.1%-50.0%0.006%
5/29/2026Perceptive Advisors LLC1,230,879$129.74M2.5%-8.9%1.914%
5/26/2026Glenmede Trust Co. NA9,235$973K0.0%-27.6%0.014%
5/26/2026Axiom Investment Management LLC2,000$211K0.2%N/A0.003%
5/22/2026Segall Bryant & Hamill LLC212,714$22.42M0.3%+64.8%0.331%
5/19/2026Bank of America Corp DE1,295,434$136.54M0.0%+49.3%2.014%
5/19/2026Stempoint Capital LP72,577$7.65M1.5%+22.1%0.113%
5/19/2026Janus Henderson Group PLC2,891,527$304.87M0.1%+9.1%4.496%
5/18/2026ADAR1 Capital Management LLC994,119$104.78M6.2%-5.2%1.546%
5/18/2026Amundi4,113$434K0.0%N/A0.006%
5/18/2026EverSource Wealth Advisors LLC911$96K0.0%+63.0%0.001%
5/18/2026California State Teachers Retirement System58,677$6.19M0.0%+22.2%0.091%
5/18/2026Royal Bank of Canada1,599$169K0.0%-49.8%0.002%
5/18/2026Rubric Capital Management LP427,998$45.11M0.5%N/A0.666%
5/18/2026Eagle Health Investments LP179,322$18.90M3.3%+213.0%0.279%
5/18/2026Empowered Funds LLC2,321$245K0.0%N/A0.004%
5/16/2026The Manufacturers Life Insurance Company 127,818$13.47M0.0%+12.8%0.199%
5/16/2026Quantinno Capital Management LP6,437$678K0.0%+30.1%0.010%
5/16/2026Orbimed Advisors LLC42,100$4.44M0.1%+94.0%0.065%
5/15/2026Weiss Asset Management LP9,780$1.03M0.0%N/A0.015%
5/15/2026Granahan Investment Management LLC27,391$2.89M0.1%N/A0.043%
5/14/2026Gabelli Funds LLC3,229$340K0.0%N/A0.005%
5/14/2026Atika Capital Management LLC62,100$6.55M0.8%-27.8%0.097%
5/14/2026Knott David M Jr63,000$6.64M3.9%-13.7%0.098%
5/14/2026Sei Investments Co.83,197$8.77M0.0%+122.8%0.129%
5/13/2026First Trust Advisors LP87,858$9.26M0.0%+89.1%0.137%
5/8/2026PNC Financial Services Group Inc.3,998$421K0.0%+35.1%0.006%
5/7/2026Dimensional Fund Advisors LP508,103$53.54M0.0%+22.6%0.790%
5/7/2026AlphaCentric Advisors LLC9,040$953K1.0%+5.7%0.014%
5/7/2026SEB Asset Management AB232,416$24.50M0.1%N/A0.361%
5/7/2026Swiss National Bank98,900$10.42M0.0%+0.7%0.154%
5/6/2026Jennison Associates LLC1,072,011$112.99M0.1%+223.7%1.667%
5/6/2026Assetmark Inc.46,442$4.90M0.0%+16,195.4%0.072%
5/6/2026Allspring Global Investments Holdings LLC29,916$3.10M0.0%+650.7%0.047%
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%
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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%
5/1/2026Fifth Third Bancorp13,202$1.39M0.0%+3,937.3%0.021%
4/30/2026Hsbc Holdings PLC1,907$201K0.0%N/A0.003%
4/30/2026Sumitomo Mitsui Trust Group Inc.2,760$291K0.0%+7.8%0.004%
4/29/2026Burney Co.3,179$335K0.0%-13.6%0.005%
4/28/2026Abel Hall LLC4,258$449K0.1%N/A0.007%
4/27/2026New York State Teachers Retirement System47,424$5.00M0.0%-3.9%0.074%
4/25/2026Strs Ohio15,400$1.62M0.0%-3.1%0.024%
4/25/2026Keybank National Association OH4,286$452K0.0%N/A0.007%
4/23/2026Inspire Investing LLC5,036$531K0.0%-7.8%0.008%
4/22/2026Pictet Asset Management Holding SA581,083$61.25M0.1%+9.7%0.911%
4/21/2026Louisiana State Employees Retirement System26,100$2.75M0.0%N/A0.041%
4/16/2026SG 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%
2/18/2026Inspire 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%
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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%


PTGX Institutional Ownership - Frequently Asked Questions

During the previous two years, 345 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), Janus Henderson Group PLC ($304.87M), State Street Corp ($279.46M), Wellington Management Group LLP ($276.99M), and UBS Group AG ($241.93M).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 312 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), Janus Henderson Group PLC ($1.79M), State Street Corp ($1.64M), BVF Inc. IL ($1.36M), Vanguard Group Inc. ($1.22M), and Millennium Management LLC ($1.13M).

Institutional investors have bought a total of 22,845,210 shares in the last 24 months. This purchase volume represents approximately $1.77B in transactions.

Of the 125 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 8,831,533 shares in the last 24 months. This volume of shares sold represents approximately $658.98M in transactions.


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This page (NASDAQ:PTGX) was last updated on 7/8/2026 by MarketBeat.com Staff.
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