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Protagonist Therapeutics, Inc

PTGX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001377121

In the last 90 days, Protagonist Therapeutics, Inc insiders filed 0 open-market purchases and 3 sales; 346 institutions reported holding it in 13F filings for Q2 2026, worth $9.30B in total; Duquesne Family Office is the only superinvestor holding it.

13F holders, Q2 2022

Institutional positions in Protagonist Therapeutics, Inc as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
131
−7 vs. Q1 2022
Shares held
53.3M
+2.76M (+5.5%) vs. Q1 2022
Total value
$422.1M
−$771.0M (−64.6%) vs. Q1 2022
New holders
28
44 more added
Sold out
35
38 more reduced

2 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PTGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 131 institutions
Q1 2021: 127 institutionsQ2 2021: 139 institutionsQ3 2021: 132 institutionsQ4 2021: 149 institutionsQ1 2022: 140 institutionsQ2 2022: 131 institutionsQ3 2022: 133 institutionsQ4 2022: 137 institutionsQ1 2023: 138 institutionsQ2 2023: 167 institutionsQ3 2023: 144 institutionsQ4 2023: 157 institutionsQ1 2024: 185 institutionsQ2 2024: 188 institutionsQ3 2024: 240 institutionsQ4 2024: 241 institutionsQ1 2025: 275 institutionsQ2 2025: 274 institutionsQ3 2025: 275 institutionsQ4 2025: 319 institutionsQ1 2026: 322 institutionsQ2 2026: 346 institutions
Value heldQ2 2022: $422.1M
Q1 2021: $1.15BQ2 2021: $2.16BQ3 2021: $820.8MQ4 2021: $1.68BQ1 2022: $1.19BQ2 2022: $422.1MQ3 2022: $398.9MQ4 2022: $533.3MQ1 2023: $1.22BQ2 2023: $1.57BQ3 2023: $945.9MQ4 2023: $1.32BQ1 2024: $1.73BQ2 2024: $2.05BQ3 2024: $2.78BQ4 2024: $2.44BQ1 2025: $3.15BQ2 2025: $3.92BQ3 2025: $4.70BQ4 2025: $6.18BQ1 2026: $8.31BQ2 2026: $9.30B
Institutions holding PTGX and their total value by quarter
QuarterHoldersValue
Q2 2026346$9.30B
Q1 2026322$8.31B
Q4 2025319$6.18B
Q3 2025275$4.70B
Q2 2025274$3.92B
Q1 2025275$3.15B
Q4 2024241$2.44B
Q3 2024240$2.78B
Q2 2024188$2.05B
Q1 2024185$1.73B
Q4 2023157$1.32B
Q3 2023144$945.9M
Q2 2023167$1.57B
Q1 2023138$1.22B
Q4 2022137$533.3M
Q3 2022133$398.9M
Q2 2022131$422.1M
Q1 2022140$1.19B
Q4 2021149$1.68B
Q3 2021132$820.8M
Q2 2021139$2.16B
Q1 2021127$1.15B

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q1 2022.

Institutions holding PTGX in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Delphia (USA) Inc.11,845$94.0K0.06%+11,845New
Cerity Partners LLC11,640$92.0K0.00%+11,640New
Engineers Gate Manager LP11,383$90.0K0.00%−45,380−79.9%Reduced
Quantamental Technologies LLC11,170$88.0K0.04%+11,170New
State Board of Administration of Florida Retirement System10,963$87.0K0.00%+10+0.1%Added
Corton Capital Inc.10,836$86.0K0.08%+10,836New
Ensign Peak Advisors, Inc10,680$84.0K0.00%00.0%Unchanged
Caption Management, LLC10,400$82.0K0.01%−59,600−85.1%Reduced
Atom Investors LP10,338$82.0K0.04%+10,338New
Allspring Global Investments Holdings, LLC10,312$81.0K0.00%−16,994−62.2%Reduced
Simplex Trading, LLC9,637$76.0K0.00%+4,665+93.8%Added
Quantbot Technologies LP9,658$76.0K0.01%+9,658New
Zurcher Kantonalbank (Zurich Cantonalbank)7,199$57.0K0.00%00.0%Unchanged
Lazard Asset Management LLC6,404$50.0K0.00%+6,404New
Amalgamated Bank5,765$46.0K0.00%−1,530−21.0%Reduced
Wells Fargo & Company5,625$44.0K0.00%−20,394−78.4%Reduced
Ameritas Investment Partners, Inc.3,501$27.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,921$23.1K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC2,000$16.0K0.00%−24,390−92.4%Reduced
Great West Life Assurance Co1,982$16.0K0.00%00.0%Unchanged
Eagle Bay Advisors LLC1,000$7.91K0.00%00.0%Unchanged
Royal Bank of Canada510$4.00K0.00%−2,490−83.0%Reduced
Dark Forest Capital Management LP525$4.00K0.00%+525New
Leonteq Securities AG470$3.72K0.00%00.0%Unchanged
Truvestments Capital LLC345$3.00K0.00%+345New
Macquarie Group Ltd307$2.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.163$1.00K0.00%00.0%Unchanged
Covestor Ltd9$00.00%−2−18.2%Reduced
Lindbrook Capital, LLC26$00.00%+26New
International Biotechnology Trust PLC128––+128New
Federated Hermes, Inc.28––+28New
Artal Group S.A.0$00.00%−800,100−100.0%Sold out
Tri Locum Partners LP0$00.00%−769,250−100.0%Sold out
Fairmount Funds Management LLC0$00.00%−549,988−100.0%Sold out
Sofinnova Investments, Inc.0$00.00%−547,441−100.0%Sold out
Altium Capital Management LP0$00.00%−386,000−100.0%Sold out
EcoR1 Capital, LLC0$00.00%−381,711−100.0%Sold out
Commodore Capital LP0$00.00%−331,886−100.0%Sold out
Polar Capital Holdings Plc0$00.00%−303,429−100.0%Sold out
Price T Rowe Associates Inc0$00.00%−300,468−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−300,000−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−275,787−100.0%Sold out
Sessa Capital IM, L.P.0$00.00%−257,000−100.0%Sold out
Opaleye Management Inc.0$00.00%−251,500−100.0%Sold out
Twin Lakes Capital Management, LLC0$00.00%−139,397−100.0%Sold out
Candriam Luxembourg S.C.A.0$00.00%−83,646−100.0%Sold out
J. Goldman & Co LP0$00.00%−81,873−100.0%Sold out
Pura Vida Investments, LLC0$00.00%−65,371−100.0%Sold out
Industrial Alliance Investment Management Inc.0$00.00%−56,695−100.0%Sold out
Prudential Financial Inc0$00.00%−22,993−100.0%Sold out
Maven Securities LTD0$00.00%−19,700−100.0%Sold out
TD Asset Management Inc0$00.00%−17,842−100.0%Sold out
ProShare Advisors LLC0$00.00%−13,399−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−13,362−100.0%Sold out
Arizona State Retirement System0$00.00%−11,612−100.0%Sold out
Parametrica Management Ltd0$00.00%−11,156−100.0%Sold out
Trexquant Investment LP0$00.00%−9,795−100.0%Sold out
Gladstone Institutional Advisory LLC0$00.00%−9,630−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−8,927−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−5,704−100.0%Sold out
Kessler Investment Group, LLC0$00.00%−5,165−100.0%Sold out
Amundi0$00.00%−3,855−100.0%Sold out
Cutler Group LP0$00.00%−784−100.0%Sold out
US Bancorp0$00.00%−470−100.0%Sold out
Signaturefd, LLC0$00.00%−78−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−57−100.0%Sold out
Parametric Portfolio Associates LLC––––Not filed
Amalgamated Financial Corp.––––Not filed