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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, Q3 2022

Institutional positions in Protagonist Therapeutics, Inc as of Sep 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
133
+2 vs. Q2 2022
Shares held
47.3M
−6.02M (−11.3%) vs. Q2 2022
Total value
$398.9M
−$23.2M (−5.5%) vs. Q2 2022
New holders
28
41 more added
Sold out
26
41 more reduced

Compare with Q2 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 holdersQ3 2022: 133 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 heldQ3 2022: $398.9M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q2 2022.

Institutions holding PTGX in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
State Street Corp4,676,682$39.4M0.00%−2,099,587−31.0%Reduced
RTW Investments, LP4,176,837$35.2M0.81%−617,662−12.9%Reduced
Farallon Capital Management, L.L.C.3,651,887$30.8M0.19%−48,721−1.3%Reduced
BlackRock Inc.3,462,384$29.2M0.00%+7,468+0.2%Added
Vanguard Group Inc2,942,767$24.8M0.00%+208,002+7.6%Added
FMR LLC2,808,808$23.7M0.00%−682,198−19.5%Reduced
Point72 Asset Management, L.P.2,537,993$21.4M0.09%−1,518,207−37.4%Reduced
Johnson & Johnson2,449,183$20.6M6.08%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC2,260,572$19.1M2.27%00.0%Unchanged
Morgan Stanley2,227,575$18.8M0.00%+451,123+25.4%Added
Adage Capital Partners GP, L.L.C.873,045$7.36M0.02%−127,000−12.7%Reduced
Citadel Advisors LLC866,387$7.30M0.01%+792,258+1,068.8%Added
Geode Capital Management, LLC827,456$6.97M0.00%+5,535+0.7%Added
Dimensional Fund Advisors LP820,438$6.92M0.00%−32,337−3.8%Reduced
Marshall Wace, LLP814,726$6.87M0.02%+350,669+75.6%Added
Deutsche Bank AG812,355$6.85M0.00%−5,477−0.7%Reduced
Goldman Sachs Group Inc757,079$6.38M0.00%+125,163+19.8%Added
Kynam Capital Management, LP519,212$4.38M0.92%+519,212New
Voloridge Investment Management, LLC426,393$3.59M0.02%−170,094−28.5%Reduced
Northern Trust Corp417,783$3.52M0.00%−5,671−1.3%Reduced
Two Sigma Advisers, LP407,300$3.43M0.01%−111,100−21.4%Reduced
Renaissance Technologies LLC399,767$3.37M0.00%+76,900+23.8%Added
Rafferty Asset Management, LLC346,935$2.92M0.03%+32,703+10.4%Added
Nuveen Asset Management, LLC338,544$2.85M0.00%+572+0.2%Added
Charles Schwab Investment Management Inc333,643$2.81M0.00%+8,885+2.7%Added
Citigroup Inc315,194$2.66M0.00%−2,305−0.7%Reduced
Bank of America Corp310,049$2.61M0.00%+2,819+0.9%Added
Jacobs Levy Equity Management, Inc254,340$2.14M0.02%+254,340New
Two Sigma Investments, LP245,705$2.07M0.01%−69,939−22.2%Reduced
Silvercrest Asset Management Group LLC243,013$2.05M0.02%+128,254+111.8%Added
BNP Paribas Arbitrage, SA236,263$1.99M0.01%+192,626+441.4%Added
UBS Oconnor LLC232,820$1.96M0.02%+13,000+5.9%Added
Russell Investments Group, Ltd.230,847$1.94M0.00%−58,715−20.3%Reduced
Barclays PLC215,994$1.82M0.00%+192,463+817.9%Added
HRT Financial LP214,097$1.80M0.02%+214,097New
Gratus Capital LLC206,113$1.74M0.19%+206,113New
Millennium Management LLC198,022$1.67M0.00%−891,506−81.8%Reduced
Connor, Clark & Lunn Investment Management Ltd.191,193$1.61M0.01%+191,193New
JPMorgan Chase & Co175,559$1.48M0.00%+55,064+45.7%Added
Bank of New York Mellon Corp158,059$1.33M0.00%+15,988+11.3%Added
Rothschild & Co Asset Management US Inc.154,482$1.30M0.02%−212,635−57.9%Reduced
Susquehanna International Group, LLP146,488$1.24M0.00%+81,328+124.8%Added
Voya Investment Management LLC146,459$1.23M0.00%+129,091+743.3%Added
D. E. Shaw & Co., Inc.143,075$1.21M0.00%+143,075New
Acadian Asset Management LLC137,200$1.16M0.01%+137,200New
PDT Partners, LLC126,038$1.06M0.16%+37,460+42.3%Added
Tekla Capital Management LLC122,271$1.03M0.04%00.0%Unchanged
Jefferies Group LLC115,500$973.7K0.03%+115,500New
AQR Capital Management LLC114,688$967.0K0.00%+114,688New
ExodusPoint Capital Management, LP108,876$918.0K0.01%−2,250−2.0%Reduced
AXA S.A.107,700$907.9K0.00%+107,700New
Walleye Capital LLC102,943$868.0K0.02%−154,414−60.0%Reduced
Thrivent Financial for Lutherans100,993$852.0K0.00%+100,993New
SG Americas Securities, LLC100,200$845.0K0.01%−52,833−34.5%Reduced
Kennedy Capital Management, Inc.99,087$835.0K0.02%−89−0.1%Reduced
Qube Research & Technologies Ltd91,276$769.0K0.00%+91,276New
Swiss National Bank86,500$729.0K0.00%+2,200+2.6%Added
Man Group plc79,935$674.0K0.00%––
Los Angeles Capital Management LLC76,990$649.0K0.00%+6,060+8.5%Added
Squarepoint Ops LLC76,862$648.0K0.01%+22,186+40.6%Added
Algert Global LLC70,932$598.0K0.04%−17,165−19.5%Reduced
Rhumbline Advisers70,517$594.0K0.00%+3,951+5.9%Added
Graham Capital Management, L.P.53,443$450.0K0.02%+53,443New
Jump Financial, LLC53,190$449.0K0.02%+1,926+3.8%Added
California State Teachers Retirement System49,567$418.0K0.00%−371−0.7%Reduced
Skandinaviska Enskilda Banken AB (publ)48,977$413.0K0.00%00.0%Unchanged
UBS Group AG46,580$393.0K0.00%−82,407−63.9%Reduced
State of Wisconsin Investment Board42,513$358.0K0.00%−1,820−4.1%Reduced
Franklin Street Advisors Inc42,220$356.0K0.04%00.0%Unchanged
Fox Run Management, L.L.C.40,683$343.0K0.13%+40,683New
Alliancebernstein L.P.40,000$337.0K0.00%−6,000−13.0%Reduced
Caption Management, LLC40,000$337.0K0.06%+29,600+284.6%Added
XTX Topco Ltd38,824$327.0K0.08%+26,201+207.6%Added
Birchview Capital, LP38,000$320.0K0.23%00.0%Unchanged
SEI Investments Co36,562$308.0K0.00%−84,443−69.8%Reduced
Dynamic Technology Lab Private Ltd33,498$282.0K0.03%+16,172+93.3%Added
Credit Suisse AG32,032$270.0K0.00%+217+0.7%Added
Schonfeld Strategic Advisors LLC31,814$268.0K0.00%−16,218−33.8%Reduced
Vontobel Holding Ltd.30,000$253.0K0.00%+10,000+50.0%Added
Ergoteles LLC29,530$249.0K0.01%+29,530New
Invesco Ltd.28,724$242.0K0.00%−779−2.6%Reduced
New York State Common Retirement Fund27,697$233.0K0.00%+5,397+24.2%Added
UBS Asset Management Americas Inc27,275$229.9K0.00%−5,389−16.5%Reduced
Tower Research Capital LLC (TRC)27,154$229.0K0.00%−23,569−46.5%Reduced
Alps Advisors Inc26,821$226.0K0.00%−2,048−7.1%Reduced
Tudor Investment Corp Et Al24,332$205.0K0.01%+24,332New
MetLife Investment Management23,914$201.6K0.00%00.0%Unchanged
E Fund Management Co., Ltd.23,848$201.0K0.02%−12,185−33.8%Reduced
Trexquant Investment LP22,421$189.0K0.01%+22,421New
Group One Trading, L.P.22,263$188.0K0.01%−21,651−49.3%Reduced
King Wealth22,000$185.0K0.05%00.0%Unchanged
American International Group, Inc.21,845$184.0K0.00%+308+1.4%Added
Y-Intercept (Hong Kong) Ltd21,395$180.4K0.02%+21,395New
Occudo Quantitative Strategies LP20,887$176.0K0.01%−117,508−84.9%Reduced
Mirae Asset Global Investments Co., Ltd.19,857$167.0K0.00%+5,934+42.6%Added
Cubist Systematic Strategies, LLC19,029$160.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The18,572$156.6K0.00%−816−4.2%Reduced
Public Employees Retirement System of Ohio18,422$155.0K0.00%+18,422New
DekaBank Deutsche Girozentrale15,800$131.0K0.00%00.0%Unchanged
Obermeyer Wood Investment Counsel, LLLP15,308$129.0K0.01%+34+0.2%Added