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, Q4 2022

Institutional positions in Protagonist Therapeutics, Inc as of Dec 31, 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
137
+5 vs. Q3 2022
Shares held
48.9M
+1.68M (+3.5%) vs. Q3 2022
Total value
$533.3M
+$135.4M (+34.0%) vs. Q3 2022
New holders
21
51 more added
Sold out
16
43 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 137 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 heldQ4 2022: $533.3M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q3 2022.

Institutions holding PTGX in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
State Street Corp3,792,926$41.4M0.00%−883,756−18.9%Reduced
BlackRock Inc.3,652,157$39.8M0.00%+189,773+5.5%Added
Farallon Capital Management, L.L.C.3,651,887$39.8M0.26%00.0%Unchanged
RTW Investments, LP3,591,986$39.2M0.80%−584,851−14.0%Reduced
Vanguard Group Inc3,097,714$33.8M0.00%+154,947+5.3%Added
Johnson & Johnson2,449,183$26.7M7.77%00.0%Unchanged
Morgan Stanley2,438,517$26.6M0.00%+210,942+9.5%Added
Bain Capital Life Sciences Investors, LLC2,364,410$25.8M2.88%+103,838+4.6%Added
Citadel Advisors LLC2,355,314$25.7M0.03%+1,488,927+171.9%Added
Marshall Wace, LLP1,454,446$15.9M0.04%+639,720+78.5%Added
Millennium Management LLC1,345,389$14.7M0.02%+1,147,367+579.4%Added
Dimensional Fund Advisors LP1,077,226$11.8M0.00%+256,788+31.3%Added
Braidwell LP927,800$10.1M0.34%+927,800New
Deutsche Bank AG925,662$10.1M0.01%+113,307+13.9%Added
Geode Capital Management, LLC879,891$9.60M0.00%+52,435+6.3%Added
Deep Track Capital, LP871,493$9.51M0.41%+871,493New
Adage Capital Partners GP, L.L.C.767,045$8.37M0.02%−106,000−12.1%Reduced
Goldman Sachs Group Inc616,724$6.73M0.00%−140,355−18.5%Reduced
Two Sigma Advisers, LP603,500$6.58M0.02%+196,200+48.2%Added
Walleye Capital LLC524,302$5.72M0.12%+421,359+409.3%Added
Kynam Capital Management, LP520,922$5.68M0.87%+1,710+0.3%Added
Woodline Partners LP512,140$5.59M0.08%+512,140New
Two Sigma Investments, LP491,965$5.37M0.02%+246,260+100.2%Added
Sio Capital Management, LLC434,635$4.74M2.53%+434,635New
Northern Trust Corp418,607$4.57M0.00%+824+0.2%Added
Madison Avenue Partners, LP406,593$4.44M0.79%+406,593New
Nuveen Asset Management, LLC360,714$3.94M0.00%+22,170+6.5%Added
Kennedy Capital Management, Inc.350,133$3.82M0.11%+251,046+253.4%Added
Bank of America Corp344,947$3.76M0.00%+34,898+11.3%Added
Charles Schwab Investment Management Inc340,021$3.71M0.00%+6,378+1.9%Added
Point72 Asset Management, L.P.316,500$3.45M0.01%−2,221,493−87.5%Reduced
JPMorgan Chase & Co303,162$3.31M0.00%+127,603+72.7%Added
Rafferty Asset Management, LLC295,348$3.22M0.03%−51,587−14.9%Reduced
Jacobs Levy Equity Management, Inc284,115$3.10M0.02%+29,775+11.7%Added
Renaissance Technologies LLC258,867$2.82M0.00%−140,900−35.2%Reduced
Barclays PLC254,887$2.78M0.00%+38,893+18.0%Added
Silvercrest Asset Management Group LLC240,745$2.63M0.02%−2,268−0.9%Reduced
Soleus Capital Management, L.P.236,000$2.57M0.37%+236,000New
UBS Group AG225,529$2.46M0.00%+178,949+384.2%Added
Gratus Capital LLC219,059$2.39M0.20%+12,946+6.3%Added
683 Capital Management, LLC207,800$2.27M0.20%+207,800New
Russell Investments Group, Ltd.198,969$2.17M0.00%−31,878−13.8%Reduced
Connor, Clark & Lunn Investment Management Ltd.194,704$2.12M0.01%+3,511+1.8%Added
D. E. Shaw & Co., Inc.188,036$2.05M0.00%+44,961+31.4%Added
Voloridge Investment Management, LLC167,369$1.83M0.01%−259,024−60.7%Reduced
Bank of New York Mellon Corp164,325$1.79M0.00%+6,266+4.0%Added
Rothschild & Co Asset Management US Inc.153,294$1.67M0.03%−1,188−0.8%Reduced
Norges Bank148,700$1.62M0.00%+148,700New
Citigroup Inc148,068$1.62M0.00%−167,126−53.0%Reduced
Voya Investment Management LLC139,399$1.52M0.00%−7,060−4.8%Reduced
Qube Research & Technologies Ltd135,706$1.48M0.01%+44,430+48.7%Added
HRT Financial LP125,119$1.36M0.02%−88,978−41.6%Reduced
Tekla Capital Management LLC122,271$1.33M0.05%00.0%Unchanged
State of Wisconsin Investment Board112,195$1.22M0.00%+69,682+163.9%Added
AXA S.A.107,700$1.18M0.00%00.0%Unchanged
Thrivent Financial for Lutherans100,993$1.10M0.00%00.0%Unchanged
Jefferies Financial Group Inc.100,000$1.09M0.02%+100,000New
Man Group plc94,070$1.03M0.00%+14,135+17.7%Added
BNP Paribas Arbitrage, SA91,025$993.1K0.00%−145,238−61.5%Reduced
ExodusPoint Capital Management, LP90,107$983.0K0.02%−18,769−17.2%Reduced
Swiss National Bank88,900$969.9K0.00%+2,400+2.8%Added
Algert Global LLC84,172$918.3K0.05%+13,240+18.7%Added
PDT Partners, LLC81,835$892.8K0.14%−44,203−35.1%Reduced
Los Angeles Capital Management LLC76,990$840.0K0.00%00.0%Unchanged
Rhumbline Advisers71,153$776.0K0.00%+636+0.9%Added
FMR LLC68,526$747.6K0.00%−2,740,282−97.6%Reduced
Susquehanna International Group, LLP67,031$731.3K0.00%−79,457−54.2%Reduced
SG Americas Securities, LLC57,121$623.0K0.01%−43,079−43.0%Reduced
Jane Street Group, LLC55,891$609.8K0.00%+45,602+443.2%Added
Gsa Capital Partners LLP55,839$609.0K0.08%+43,694+359.8%Added
Alliancebernstein L.P.54,200$591.3K0.00%+14,200+35.5%Added
Cubist Systematic Strategies, LLC51,506$561.9K0.00%+32,477+170.7%Added
California State Teachers Retirement System50,702$553.2K0.00%+1,135+2.3%Added
Walleye Trading LLC49,509$540.1K0.01%+49,509New
Federated Hermes, Inc.46,808$510.7K0.00%+46,808New
Franklin Street Advisors Inc42,220$461.0K0.04%00.0%Unchanged
AQR Capital Management LLC40,970$447.0K0.00%−73,718−64.3%Reduced
Caption Management, LLC40,000$436.4K0.07%00.0%Unchanged
Vontobel Holding Ltd.40,000$436.4K0.00%+10,000+33.3%Added
Birchview Capital, LP38,000$415.0K0.29%00.0%Unchanged
SEI Investments Co35,945$392.2K0.00%−617−1.7%Reduced
Alps Advisors Inc33,349$363.8K0.00%+6,528+24.3%Added
Invesco Ltd.31,552$344.2K0.00%+2,828+9.8%Added
Credit Suisse AG31,237$340.8K0.00%−795−2.5%Reduced
Fox Run Management, L.L.C.28,970$316.1K0.13%−11,713−28.8%Reduced
New York State Common Retirement Fund27,673$301.9K0.00%−24−0.1%Reduced
MetLife Investment Management23,914$260.9K0.00%00.0%Unchanged
Ergoteles LLC23,000$250.9K0.01%−6,530−22.1%Reduced
Aquatic Capital Management LLC22,300$243.0K0.02%+22,300New
American International Group, Inc.22,009$240.1K0.00%+164+0.8%Added
King Wealth22,000$240.0K0.06%00.0%Unchanged
Caxton Associates LP21,853$238.4K0.02%+21,853New
Squarepoint Ops LLC21,770$237.5K0.00%−55,092−71.7%Reduced
Allianz Asset Management GmbH21,500$234.6K0.00%+21,500New
Mirae Asset Global Investments Co., Ltd.19,877$216.9K0.00%+20+0.1%Added
Manufacturers Life Insurance Company, The18,518$202.0K0.00%−54−0.3%Reduced
E Fund Management Co., Ltd.15,482$169.0K0.01%−8,366−35.1%Reduced
STRS Ohio15,300$166.0K0.00%00.0%Unchanged
Engineers Gate Manager LP15,188$165.7K0.01%+15,188New
Public Employees Retirement System of Ohio15,014$164.0K0.00%−3,408−18.5%Reduced