Skip to main content

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, Q1 2021

Institutional positions in Protagonist Therapeutics, Inc as of Mar 31, 2021. 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
127
No complete 13F data for Q4 2020
Shares held
44.3M
No complete 13F data for Q4 2020
Total value
$1.15B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 127 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 heldQ1 2021: $1.15B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding PTGX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Signaturefd, LLC46$1.00K0.00%––
IFP Advisors, Inc42$1.00K0.00%––
State of Wyoming57$1.00K0.00%––
Harbour Investments, Inc.73$2.00K0.00%––
Daiwa Securities Group Inc.81$2.00K0.00%––
TCI Wealth Advisors, Inc.63$2.00K0.00%––
Advisor Group Holdings, Inc.193$5.00K0.00%––
Truvestments Capital LLC250$6.00K0.00%––
Hartford Financial Management Inc.300$8.00K0.00%––
US Bancorp355$9.00K0.00%––
Nisa Investment Advisors, LLC450$12.0K0.00%––
Quantbot Technologies LP954$24.0K0.00%––
Penserra Capital Management LLC970$25.0K0.00%––
Sowell Financial Services LLC1,000$28.0K0.00%––
Tower Research Capital LLC (TRC)1,547$40.0K0.00%––
Macquarie Group Ltd1,739$45.0K0.00%––
Pacer Advisors, Inc.1,780$46.0K0.00%––
Great West Life Assurance Co1,982$51.0K0.00%––
O'Shaughnessy Asset Management, LLC2,206$57.0K0.00%––
Ameritas Investment Partners, Inc.2,901$75.0K0.00%––
Lindbrook Capital, LLC3,200$83.0K0.02%––
Royal Bank of Canada3,324$86.0K0.00%––
BNP Paribas Arbitrage, SA4,638$120.1K0.00%––
Morgan Stanley4,723$123.0K0.00%––
Principal Financial Group Inc8,176$212.0K0.00%––
Dynamic Technology Lab Private Ltd8,202$212.0K0.02%––
State Board of Administration of Florida Retirement System8,630$224.0K0.00%––
SG Americas Securities, LLC8,725$226.0K0.00%––
Athanor Capital, LP8,748$227.0K0.01%––
Metropolitan Life Insurance Co9,284$240.5K0.00%––
STRS Ohio10,000$259.0K0.00%––
Vontobel Holding Ltd.10,000$259.0K0.00%––
Birchview Capital, LP10,000$259.0K0.15%––
Invesco Ltd.10,103$262.0K0.00%––
Legal & General Group Plc10,545$273.0K0.00%––
Trexquant Investment LP10,522$273.0K0.03%––
Arizona State Retirement System10,644$276.0K0.00%––
Millennium Management LLC10,892$282.0K0.00%––
Qube Research & Technologies Ltd13,465$349.0K0.01%––
MetLife Investment Management13,524$350.3K0.00%––
Kestra Advisory Services, LLC13,629$353.0K0.00%––
DekaBank Deutsche Girozentrale14,000$354.0K0.00%––
Virtus ETF Advisers LLC14,346$372.0K0.16%––
Cubist Systematic Strategies, LLC14,700$381.0K0.00%––
Voya Investment Management LLC15,094$391.0K0.00%––
ProShare Advisors LLC15,367$398.0K0.00%––
Bingham Osborn & Scarborough LLC15,640$405.0K0.03%––
Manufacturers Life Insurance Company, The20,039$519.0K0.00%––
American International Group, Inc.20,527$532.0K0.00%––
Credit Suisse AG21,240$549.0K0.00%––
King Wealth22,000$570.0K0.13%––
Franklin Street Advisors Inc22,250$576.0K0.05%––
UBS Asset Management Americas Inc25,000$647.5K0.00%––
Deutsche Bank AG25,561$662.0K0.00%––
New York State Common Retirement Fund27,500$712.0K0.00%––
Ameriprise Financial Inc28,488$737.0K0.00%––
AQR Capital Management LLC30,387$787.0K0.00%––
Atom Investors LP30,542$791.0K0.15%––
Alliancebernstein L.P.30,600$793.0K0.00%––
Rhumbline Advisers33,215$860.0K0.00%––
Ensign Peak Advisors, Inc33,230$861.0K0.00%––
Prudential Financial Inc33,615$871.0K0.00%––
Susquehanna International Group, LLP34,134$884.0K0.00%––
Barclays PLC37,866$981.0K0.00%––
Wells Fargo & Company38,435$995.0K0.00%––
Parametric Portfolio Associates LLC40,199$1.04M0.00%––
Bank of America Corp41,715$1.08M0.00%––
Nuveen Asset Management, LLC144,700$1.12M0.00%––
Marshall Wace North America L.P.44,385$1.15M0.00%––
UBS Group AG44,573$1.15M0.00%––
Los Angeles Capital Management LLC47,387$1.23M0.01%––
Susquehanna Fundamental Investments, LLC47,620$1.23M0.02%––
J. Goldman & Co LP49,579$1.28M0.08%––
Affinity Asset Advisors, LLC50,000$1.29M0.63%––
Russell Investments Group, Ltd.50,733$1.31M0.00%––
California State Teachers Retirement System53,123$1.38M0.00%––
State of Wisconsin Investment Board53,700$1.39M0.00%––
Canada Pension Plan Investment Board55,000$1.43M0.00%––
TD Asset Management Inc61,471$1.59M0.00%––
California Public Employees Retirement System67,400$1.75M0.00%––
Allianz Asset Management GmbH74,260$1.92M0.00%––
Artal Group S.A.75,000$1.94M0.04%––
Kennedy Capital Management, Inc.75,518$1.96M0.04%––
Rafferty Asset Management, LLC75,976$1.97M0.01%––
Two Sigma Investments, LP83,516$2.16M0.01%––
Swiss National Bank83,600$2.17M0.00%––
Marshall Wace, LLP86,691$2.25M0.01%––
SEI Investments Co86,880$2.25M0.01%––
Bank of Montreal90,073$2.40M0.00%––
Citigroup Inc95,720$2.48M0.00%––
Bank of New York Mellon Corp133,595$3.46M0.00%––
Twin Lakes Capital Management, LLC142,884$3.70M2.28%––
Laurion Capital Management LP147,405$3.82M0.05%––
International Biotechnology Trust PLC152,000$3.94M1.04%––
Citadel Advisors LLC198,218$5.13M0.01%––
D. E. Shaw & Co., Inc.200,980$5.21M0.01%––
Sphera Funds Management Ltd.202,134$5.24M0.48%––
Panagora Asset Management Inc229,513$5.94M0.03%––
Altium Capital Management LP238,354$6.17M1.71%––
Tri Locum Partners LP257,086$6.66M2.12%––