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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 2 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
Caas Capital Management LP320,426$2.54M0.34%+320,426New
Renaissance Technologies LLC322,867$2.55M0.00%+303,400+1,558.5%Added
Charles Schwab Investment Management Inc324,758$2.57M0.00%−501−0.2%Reduced
Nuveen Asset Management, LLC337,972$2.67M0.00%+33,860+11.1%Added
Rothschild & Co Asset Management US Inc.367,117$2.90M0.04%−12,009−3.2%Reduced
Woodline Partners LP388,637$3.07M0.05%−200,057−34.0%Reduced
Northern Trust Corp423,454$3.35M0.00%−11,624−2.7%Reduced
Marshall Wace, LLP464,057$3.67M0.01%+464,057New
Two Sigma Advisers, LP518,400$4.10M0.01%+303,700+141.5%Added
Voloridge Investment Management, LLC596,487$4.72M0.02%+519,886+678.7%Added
Goldman Sachs Group Inc631,916$5.00M0.00%+285,557+82.4%Added
Finepoint Capital LP735,126$5.82M2.01%+735,126New
Deutsche Bank AG817,832$6.47M0.00%−4,491−0.5%Reduced
Geode Capital Management, LLC821,921$6.50M0.00%−11,000−1.3%Reduced
Dimensional Fund Advisors LP852,775$6.75M0.00%−10,117−1.2%Reduced
Adage Capital Partners GP, L.L.C.1,000,045$7.91M0.02%+400,000+66.7%Added
Cowen and Company, LLC1,065,724$8.43M0.83%+343,149+47.5%Added
Millennium Management LLC1,089,528$8.62M0.01%+629,413+136.8%Added
BVF Inc1,106,838$8.76M0.42%−3,076,381−73.5%Reduced
Morgan Stanley1,776,452$14.1M0.00%+439,349+32.9%Added
Bain Capital Life Sciences Investors, LLC2,260,572$17.9M2.10%+2,260,572New
Johnson & Johnson2,449,183$19.4M4.95%00.0%Unchanged
Vanguard Group Inc2,734,765$21.6M0.00%+404,691+17.4%Added
BlackRock Inc.3,454,916$27.3M0.00%+208,742+6.4%Added
FMR LLC3,491,006$27.6M0.00%−3,637,573−51.0%Reduced
Farallon Capital Management, L.L.C.3,700,608$29.3M0.17%+2,566,151+226.2%Added
Point72 Asset Management, L.P.4,056,200$32.1M0.15%+1,141,100+39.1%Added
RTW Investments, LP4,794,499$37.9M0.98%00.0%Unchanged
State Street Corp6,776,269$53.6M0.00%+3,519,461+108.1%Added
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