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Protagonist Therapeutics (PTGX) Institutional Ownership

Protagonist Therapeutics logo
$135.26 -8.11 (-5.66%)
Closing price 04:00 PM Eastern
Extended Trading
$138.00 +2.74 (+2.03%)
As of 07:54 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)
208
Total
Institutional Inflows
(last 12 months)
$3.80B
Number of
Institutional Sellers
(last 12 months)
106
Total
Institutional Outflows
(last 12 months)
$616.83M
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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
11/5/2026Maryland State Retirement & Pension System14,425$2.03M0.0%N/A0.022%
11/5/2026Illinois Municipal Retirement Fund31,602$4.45M0.0%+8.2%0.049%
11/5/2026 Keybank National Association OH4,819$679K0.0%-3.6%0.007%
11/4/2026 New York Life Investment Management LLC9,019$1.27M0.0%N/A0.014%
11/4/2026 Allspring Global Investments Holdings LLC30,839$4.29M0.0%+28.2%0.048%
11/3/2026 Ethic Inc.3,441$485K0.0%N/A0.005%
11/3/2026 Pictet Asset Management Holding SA472,123$66.52M0.1%-16.9%0.730%
11/3/2026 AlphaCentric Advisors LLC9,616$1.36M1.2%+4.9%0.015%
11/3/2026 Parallel Advisors LLC361$51K0.0%+205.9%0.001%
11/3/2026 Alps Advisors Inc.3,930$554K0.0%N/A0.006%
11/3/2026 Calamos Advisors LLC19,156$2.70M0.0%+60.6%0.030%
11/2/2026 Kestra Advisory Services LLC5,267$742K0.0%N/A0.008%
11/2/2026 TFB Advisors LLC5,394$760K0.3%+3.0%0.008%
10/30/2026 Oregon Public Employees Retirement Fund14,494$2.04M0.0%+5.8%0.022%
10/29/2026 Mirae Asset Global Investments Co. Ltd.3,307$466K0.0%N/A0.005%
10/29/2026 Profund Advisors LLC17,772$2.50M0.1%+10.3%0.027%
10/29/2026 ProShare Advisors LLC10,719$1.51M0.0%-1.5%0.017%
10/29/2026 Vise Technologies Inc.3,501$493K0.0%N/A0.005%
10/29/2026 State of Wyoming1,202$169K0.0%-91.6%0.002%
10/28/2026 VIRGINIA RETIREMENT SYSTEMS ET Al8,800$1.24M0.0%-21.4%0.014%
10/28/2026 Choreo LLC2,533$357K0.0%+9.3%0.004%
10/28/2026 China Universal Asset Management Co. Ltd.11,807$1.66M0.1%+2.8%0.000%
10/28/2026 Pinnacle Wealth Planning Services Inc.4,015$566K0.1%+28.3%0.000%
10/27/2026 Moody Aldrich Partners LLC43,649$6.15M1.2%-26.8%0.067%
10/23/2026 Sterling Capital Management LLC2,031$286K0.0%+840.3%0.003%
10/23/2026 Inspire Investing LLC3,474$489K0.0%-37.9%0.005%
10/22/2026 Yousif Capital Management LLC17,407$2.45M0.0%+5.6%0.027%
10/21/2026 Crossmark Global Holdings Inc.4,095$577K0.0%+20.8%0.006%
10/21/2026 Nisa Investment Advisors LLC4,804$677K0.0%+14.6%0.007%
10/21/2026 Robeco Institutional Asset Management B.V.10,448$1.47M0.0%N/A0.016%
10/15/2026 State of Alaska Department of Revenue21,736$3.06M0.0%-22.6%0.034%
10/9/2026 GAMMA Investing LLC3,518$496K0.0%+13.2%0.005%
10/8/2026 Farther Finance Advisors LLC2,398$338K0.0%+442.5%0.004%
9/9/2026Tidal Investments LLC4,988$611K0.0%-54.8%0.008%
9/9/2026WINTON GROUP Ltd10,884$1.33M0.0%-14.1%0.017%
9/9/2026Engineers Gate Manager LP4,373$536K0.0%N/A0.007%
9/8/2026 Arizona State Retirement System14,085$1.73M0.0%+2.5%0.022%
9/8/2026Nykredit A S2,415$296K0.0%N/A0.004%
8/26/2026Amundi7,692$943K0.0%+87.0%0.012%
8/26/2026HighTower Advisors LLC5,308$651K0.0%-1.4%0.008%
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8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al11,200$1.37M0.0%N/A0.017%
8/22/2026 Concurrent Investment Advisors LLC1,926$236K0.0%-6.5%0.003%
8/21/2026AXQ Capital LP2,138$262K0.0%N/A0.003%
8/20/2026Alyeska Investment Group L.P.889,298$109.01M0.3%+49.9%1.374%
8/20/2026Northwestern Mutual Wealth Management Co.48,894$5.99M0.0%-0.3%0.076%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC107,094$13.13M0.0%-0.3%0.165%
8/19/2026Hsbc Holdings PLC25,952$3.20M0.0%+1,260.9%0.040%
8/19/2026Wellington Management Group LLP3,416,781$418.83M0.1%-5.1%5.280%
8/18/2026Twin Lakes Capital Management LLC58,059$7.12M2.7%N/A0.090%
8/18/2026Empowered Funds LLC2,264$278K0.0%N/A0.003%
8/17/2026Seven Fleet Capital Management LP45,400$5.57M0.9%+1,035.0%0.070%
8/17/2026Artia Global Partners LP22,951$2.81M0.5%N/A0.035%
8/17/2026Bamco Inc. NY16,000$1.96M0.0%N/A0.025%
8/17/2026Bank of America Corp DE1,324,498$162.36M0.0%N/A2.047%
8/15/2026Jupiter Topco LLC2,129,780$261.04M0.1%N/A3.291%
8/15/2026Elmind Capital LP38,000$4.66M0.0%N/A0.059%
8/15/2026J. Goldman & Co LP9,414$1.15M0.0%N/A0.015%
8/14/2026ADAR1 Capital Management LLC960,863$117.78M5.4%N/A1.485%
8/14/2026Hsbc Holdings PLC25,952$3.20M0.0%N/A0.040%
8/14/2026EFG International AG40,501$4.96M0.1%N/A0.063%
8/14/2026Castleark Management LLC50,570$6.20M0.2%N/A0.078%
8/14/2026Legal & General Group Plc132,351$16.22M0.0%N/A0.205%
8/14/2026The Manufacturers Life Insurance Company108,555$13.31M0.0%N/A0.168%
8/14/2026Algert Global LLC87,698$10.75M0.1%+11.8%0.136%
8/13/2026Connor Clark & Lunn Investment Management Ltd.29,161$3.58M0.0%N/A0.045%
8/12/2026Elevation Point Wealth Partners LLC2,369$290K0.0%N/A0.004%
8/12/2026Northwestern Mutual Wealth Management Co.48,894$5.99M0.0%N/A0.076%
8/12/2026Quantbot Technologies LP342$42K0.0%N/A0.001%
8/11/2026Keating Financial Advisory Services Inc.242$30K0.0%N/A0.000%
8/11/2026Allworth Financial LP254$31K0.0%N/A0.000%
8/11/2026E Fund Management Co. Ltd.3,891$477K0.0%N/A0.006%
8/10/2026Eagle Health Investments LP248,322$30.44M5.0%N/A0.386%
8/10/2026Great Lakes Advisors LLC56,904$6.98M0.1%N/A0.088%
8/7/2026BlackRock Inc.10,307,837$1.26B0.0%N/A16.028%
8/7/2026Deutsche Bank AG141,838$17.39M0.0%N/A0.221%
8/6/2026Global Retirement Partners LLC1,055$129K0.0%N/A0.002%
8/6/2026Bank of New York Mellon Corp358,300$43.92M0.0%N/A0.557%
8/6/2026 State of Wyoming3,102$380K0.0%N/A0.005%
8/6/2026 Johnson & Johnson2,449,183$300.22M0.0%N/A3.808%
7/10/2026Handelsbanken Fonder AB21,400$2.62M0.0%+7.5%0.033%
7/9/2026 Franklin Street Advisors Inc. NC12,810$1.57M0.1%+15.6%0.020%
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%
5/26/2026 Axiom Investment Management LLC2,000$211K0.2%N/A0.003%
5/22/2026Segall Bryant & Hamill LLC212,714$22.42M0.3%+64.8%0.331%
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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%
5/18/2026 EverSource 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%


PTGX Institutional Ownership - Frequently Asked Questions

During the previous two years, 360 institutional investors and hedge funds held shares of Protagonist Therapeutics. The most heavily invested institutionals were BlackRock Inc. ($1.26B), Farallon Capital Management LLC ($536.62M), Vanguard Group Inc. ($472.83M), RTW Investments LP ($441.86M), Wellington Management Group LLP ($418.83M), Janus Henderson Group PLC ($304.87M), and Johnson & Johnson ($300.22M).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 327 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), Wellington Management Group LLP ($4.03M), Johnson & Johnson ($2.45M), Jupiter Topco LLC ($2.13M), Bank of America Corp DE ($2.10M), Pacer Advisors Inc. ($1.88M), and Janus Henderson Group PLC ($1.79M).

Institutional investors have bought a total of 36,358,031 shares in the last 24 months. This purchase volume represents approximately $3.80B in transactions.

Of the 105 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 7,663,424 shares in the last 24 months. This volume of shares sold represents approximately $616.83M 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 11/5/2026. New 13F filings are added each quarter as they're published.
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