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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, Q1 2022

Institutional positions in Protagonist Therapeutics, Inc as of Mar 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
140
−9 vs. Q4 2021
Shares held
50.6M
+1.19M (+2.4%) vs. Q4 2021
Total value
$1.19B
−$490.3M (−29.1%) vs. Q4 2021
New holders
20
54 more added
Sold out
29
47 more reduced

Compare with Q4 2021: 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 holdersQ1 2022: 140 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 2022: $1.19B
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 2022

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q4 2021.

Institutions holding PTGX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC7,128,579$168.8M0.01%+281,302+4.1%Added
RTW Investments, LP4,794,499$113.5M2.35%+2,194,677+84.4%Added
BVF Inc4,183,219$99.1M3.96%+531,460+14.6%Added
State Street Corp3,256,808$77.1M0.00%+685,238+26.6%Added
BlackRock Inc.3,246,174$76.9M0.00%−35,462−1.1%Reduced
Point72 Asset Management, L.P.2,915,100$69.0M0.31%+495,337+20.5%Added
Johnson & Johnson2,449,183$58.0M10.96%00.0%Unchanged
Vanguard Group Inc2,330,074$55.2M0.00%−18,092−0.8%Reduced
Morgan Stanley1,337,103$31.7M0.00%+1,229,687+1,144.8%Added
Farallon Capital Management, L.L.C.1,134,457$26.9M0.15%−782,677−40.8%Reduced
Dimensional Fund Advisors LP862,892$20.4M0.01%−11,759−1.3%Reduced
Geode Capital Management, LLC832,921$19.7M0.00%+54,840+7.0%Added
Deutsche Bank AG822,323$19.5M0.01%−2,549−0.3%Reduced
Obermeyer Wood Investment Counsel, LLLP801,625$19.0M1.14%+12,683+1.6%Added
Artal Group S.A.800,100$18.9M0.80%−449,900−36.0%Reduced
Tri Locum Partners LP769,250$18.2M7.12%+455,321+145.0%Added
Cowen and Company, LLC722,575$17.1M1.73%+719,397+22,636.8%Added
Adage Capital Partners GP, L.L.C.600,045$14.2M0.03%+150,000+33.3%Added
Woodline Partners LP588,694$13.9M0.23%+95,707+19.4%Added
Fairmount Funds Management LLC549,988$13.0M3.08%+549,988New
Sofinnova Investments, Inc.547,441$13.0M1.09%+65,184+13.5%Added
Millennium Management LLC460,115$10.9M0.01%+69,042+17.7%Added
Northern Trust Corp435,078$10.3M0.00%−20,333−4.5%Reduced
Altium Capital Management LP386,000$9.14M3.19%+40,000+11.6%Added
EcoR1 Capital, LLC381,711$9.04M0.28%−2,257,995−85.5%Reduced
Rothschild & Co Asset Management US Inc.379,126$8.98M0.11%−111,898−22.8%Reduced
Goldman Sachs Group Inc346,359$8.20M0.00%+222,730+180.2%Added
Commodore Capital LP331,886$7.86M1.76%−473,687−58.8%Reduced
Charles Schwab Investment Management Inc325,259$7.70M0.00%+8,080+2.5%Added
Polar Capital Holdings Plc303,429$7.18M0.04%00.0%Unchanged
Price T Rowe Associates Inc300,468$7.12M0.00%−76,664−20.3%Reduced
Affinity Asset Advisors, LLC300,000$7.10M2.82%+58,881+24.4%Added
Two Sigma Investments, LP288,518$6.83M0.02%+260,418+926.8%Added
Lord, Abbett & Co. LLC275,787$6.53M0.02%+112,123+68.5%Added
Sessa Capital IM, L.P.257,000$6.09M0.37%+257,000New
Opaleye Management Inc.251,500$5.96M1.85%−90,500−26.5%Reduced
Bank of America Corp247,876$5.87M0.00%+128,269+107.2%Added
Two Sigma Advisers, LP214,700$5.08M0.01%+175,900+453.4%Added
Rafferty Asset Management, LLC208,094$4.93M0.03%+42,322+25.5%Added
Citadel Advisors LLC186,824$4.42M0.01%+151,276+425.6%Added
Russell Investments Group, Ltd.183,116$4.33M0.01%+19,527+11.9%Added
Boothbay Fund Management, LLC156,641$3.71M0.12%+156,641New
Bank of New York Mellon Corp139,769$3.31M0.00%+1,275+0.9%Added
Twin Lakes Capital Management, LLC139,397$3.30M1.86%+817+0.6%Added
Allianz Asset Management GmbH132,734$3.14M0.00%−2,059−1.5%Reduced
SEI Investments Co130,718$3.10M0.01%−1,595−1.2%Reduced
Alliancebernstein L.P.126,463$3.00M0.00%+80,563+175.5%Added
UBS Group AG122,765$2.91M0.00%+56,454+85.1%Added
Tekla Capital Management LLC122,271$2.90M0.10%+21,234+21.0%Added
Silvercrest Asset Management Group LLC119,834$2.84M0.02%+1,119+0.9%Added
Swiss National Bank101,500$2.40M0.00%+7,300+7.7%Added
Nuveen Asset Management, LLC304,112$2.35M0.00%+64,183+26.8%Added
Kennedy Capital Management, Inc.97,265$2.30M0.05%−8,129−7.7%Reduced
HighVista Strategies LLC92,045$2.18M1.39%+61,046+196.9%Added
Candriam Luxembourg S.C.A.83,646$1.98M0.01%00.0%Unchanged
J. Goldman & Co LP81,873$1.94M0.15%−48,644−37.3%Reduced
Voloridge Investment Management, LLC76,601$1.81M0.01%−107,047−58.3%Reduced
Caption Management, LLC70,000$1.66M0.11%−122,702−63.7%Reduced
JPMorgan Chase & Co69,183$1.64M0.00%−367,270−84.1%Reduced
Pura Vida Investments, LLC65,371$1.55M0.19%+65,371New
Engineers Gate Manager LP56,763$1.34M0.05%+56,763New
Industrial Alliance Investment Management Inc.56,695$1.34M0.03%−18,540−24.6%Reduced
California State Teachers Retirement System56,052$1.33M0.00%−4,413−7.3%Reduced
State of Wisconsin Investment Board53,500$1.27M0.00%−11,100−17.2%Reduced
Susquehanna International Group, LLP50,754$1.20M0.00%−245,659−82.9%Reduced
Amitell Capital Pte Ltd50,129$1.19M0.86%+50,129New
Alps Advisors Inc49,760$1.18M0.01%−5,472−9.9%Reduced
Skandinaviska Enskilda Banken AB (publ)48,977$1.16M0.01%+10,673+27.9%Added
Twinbeech Capital LP46,825$1.11M0.05%+46,825New
Rhumbline Advisers46,426$1.10M0.00%+2,457+5.6%Added
Barclays PLC44,302$1.05M0.00%−76,295−63.3%Reduced
First Trust Advisors LP41,772$989.0K0.00%+41,772New
Manufacturers Life Insurance Company, The40,375$961.3K0.00%+17,553+76.9%Added
Parametric Portfolio Associates LLC39,771$942.0K0.00%+17,120+75.6%Added
Birchview Capital, LP38,000$900.0K0.65%00.0%Unchanged
Citigroup Inc35,656$844.0K0.00%−102,095−74.1%Reduced
Jump Financial, LLC35,000$829.0K0.04%−2,100−5.7%Reduced
Walleye Capital LLC33,390$791.0K0.02%−64,608−65.9%Reduced
New York State Common Retirement Fund33,206$786.0K0.00%+45+0.1%Added
SG Americas Securities, LLC32,959$780.0K0.01%−5,591−14.5%Reduced
Credit Suisse AG32,898$779.0K0.00%+4,550+16.1%Added
UBS Asset Management Americas Inc32,664$773.5K0.00%00.0%Unchanged
Invesco Ltd.30,026$711.0K0.00%+10,201+51.5%Added
Cubist Systematic Strategies, LLC28,136$666.0K0.01%+27,590+5,053.1%Added
Allspring Global Investments Holdings, LLC27,306$646.0K0.00%+1,935+7.6%Added
Nisa Investment Advisors, LLC26,390$625.0K0.00%−760−2.8%Reduced
Wells Fargo & Company26,019$616.0K0.00%−14,339−35.5%Reduced
Algert Global LLC24,317$576.0K0.04%+24,317New
MetLife Investment Management23,914$566.3K0.00%+8,826+58.5%Added
Occudo Quantitative Strategies LP23,360$553.0K0.05%+23,360New
Prudential Financial Inc22,993$544.0K0.00%−7,112−23.6%Reduced
American International Group, Inc.22,210$526.0K0.00%−1,562−6.6%Reduced
Franklin Street Advisors Inc22,220$526.0K0.04%00.0%Unchanged
King Wealth22,000$521.0K0.10%00.0%Unchanged
Legal & General Group Plc21,594$511.0K0.00%+330+1.6%Added
Vontobel Holding Ltd.20,000$474.0K0.00%00.0%Unchanged
Maven Securities LTD19,700$466.0K0.10%+19,700New
Renaissance Technologies LLC19,467$461.0K0.00%+19,467New
BNP Paribas Arbitrage, SA19,148$453.4K0.00%−19,510−50.5%Reduced
TD Asset Management Inc17,842$422.0K0.00%−15,200−46.0%Reduced