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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
Covestor Ltd9$00.00%−2−18.2%Reduced
Lindbrook Capital, LLC26$00.00%+26New
Daiwa Securities Group Inc.163$1.00K0.00%00.0%Unchanged
Macquarie Group Ltd307$2.00K0.00%00.0%Unchanged
Truvestments Capital LLC345$3.00K0.00%+345New
Leonteq Securities AG470$3.72K0.00%00.0%Unchanged
Royal Bank of Canada510$4.00K0.00%−2,490−83.0%Reduced
Dark Forest Capital Management LP525$4.00K0.00%+525New
Eagle Bay Advisors LLC1,000$7.91K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC2,000$16.0K0.00%−24,390−92.4%Reduced
Great West Life Assurance Co1,982$16.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,921$23.1K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,501$27.0K0.00%00.0%Unchanged
Wells Fargo & Company5,625$44.0K0.00%−20,394−78.4%Reduced
Amalgamated Bank5,765$46.0K0.00%−1,530−21.0%Reduced
Lazard Asset Management LLC6,404$50.0K0.00%+6,404New
Zurcher Kantonalbank (Zurich Cantonalbank)7,199$57.0K0.00%00.0%Unchanged
Simplex Trading, LLC9,637$76.0K0.00%+4,665+93.8%Added
Quantbot Technologies LP9,658$76.0K0.01%+9,658New
Allspring Global Investments Holdings, LLC10,312$81.0K0.00%−16,994−62.2%Reduced
Caption Management, LLC10,400$82.0K0.01%−59,600−85.1%Reduced
Atom Investors LP10,338$82.0K0.04%+10,338New
Ensign Peak Advisors, Inc10,680$84.0K0.00%00.0%Unchanged
Corton Capital Inc.10,836$86.0K0.08%+10,836New
State Board of Administration of Florida Retirement System10,963$87.0K0.00%+10+0.1%Added
Quantamental Technologies LLC11,170$88.0K0.04%+11,170New
Engineers Gate Manager LP11,383$90.0K0.00%−45,380−79.9%Reduced
Cerity Partners LLC11,640$92.0K0.00%+11,640New
Delphia (USA) Inc.11,845$94.0K0.06%+11,845New
Two Sigma Securities, LLC12,540$99.0K0.02%+12,540New
XTX Topco Ltd12,623$100.0K0.04%+12,623New
Mirae Asset Global Investments Co., Ltd.13,923$110.0K0.00%+13,923New
Virtus ETF Advisers LLC14,129$112.0K0.04%+8,913+170.9%Added
First Trust Advisors LP14,328$113.0K0.00%−27,444−65.7%Reduced
Obermeyer Wood Investment Counsel, LLLP15,274$121.0K0.01%−786,351−98.1%Reduced
STRS Ohio15,300$121.0K0.00%+2,600+20.5%Added
DuPont Capital Management Corp16,499$131.0K0.01%+16,499New
Man Group plc–$133.0K0.00%–New
Voya Investment Management LLC17,368$137.0K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd17,326$137.0K0.02%+1,816+11.7%Added
DekaBank Deutsche Girozentrale15,800$140.0K0.00%00.0%Unchanged
Legal & General Group Plc18,126$143.0K0.00%−3,468−16.1%Reduced
Cubist Systematic Strategies, LLC19,029$151.0K0.00%−9,107−32.4%Reduced
Manufacturers Life Insurance Company, The19,388$153.4K0.00%−20,987−52.0%Reduced
Vontobel Holding Ltd.20,000$158.0K0.00%00.0%Unchanged
Twinbeech Capital LP20,317$161.0K0.01%−26,508−56.6%Reduced
American International Group, Inc.21,537$170.0K0.00%−673−3.0%Reduced
King Wealth22,000$174.0K0.04%00.0%Unchanged
New York State Common Retirement Fund22,300$176.0K0.00%−10,906−32.8%Reduced
Barclays PLC23,531$186.0K0.00%−20,771−46.9%Reduced
MetLife Investment Management23,914$189.2K0.00%00.0%Unchanged
Alps Advisors Inc28,869$228.0K0.00%−20,891−42.0%Reduced
Invesco Ltd.29,503$233.0K0.00%−523−1.7%Reduced
Credit Suisse AG31,815$251.0K0.00%−1,083−3.3%Reduced
UBS Asset Management Americas Inc32,664$258.4K0.00%00.0%Unchanged
E Fund Management Co., Ltd.36,033$285.0K0.03%+25,593+245.1%Added
Jane Street Group, LLC37,956$300.0K0.00%+37,956New
Birchview Capital, LP38,000$301.0K0.22%00.0%Unchanged
Franklin Street Advisors Inc42,220$334.0K0.03%+20,000+90.0%Added
BNP Paribas Arbitrage, SA43,637$345.2K0.00%+24,489+127.9%Added
Group One Trading, L.P.43,914$347.0K0.01%+32,897+298.6%Added
State of Wisconsin Investment Board44,333$351.0K0.00%−9,167−17.1%Reduced
Alliancebernstein L.P.46,000$364.0K0.00%−80,463−63.6%Reduced
HighVista Strategies LLC46,459$367.0K0.22%−45,586−49.5%Reduced
Schonfeld Strategic Advisors LLC48,032$380.0K0.00%+34,332+250.6%Added
Skandinaviska Enskilda Banken AB (publ)48,977$387.0K0.00%00.0%Unchanged
California State Teachers Retirement System49,938$395.0K0.00%−6,114−10.9%Reduced
Amitell Capital Pte Ltd50,129$397.0K1.03%00.0%Unchanged
Tower Research Capital LLC (TRC)50,723$401.0K0.01%+44,540+720.4%Added
Jump Financial, LLC51,264$405.0K0.02%+16,264+46.5%Added
Squarepoint Ops LLC54,676$432.0K0.00%+40,866+295.9%Added
First Manhattan Co55,800$441.0K0.00%+55,800New
Boothbay Fund Management, LLC57,923$458.0K0.02%−98,718−63.0%Reduced
Caxton Associates LP61,370$485.0K0.06%+61,370New
Susquehanna International Group, LLP65,160$516.0K0.00%+14,406+28.4%Added
Rhumbline Advisers66,566$527.0K0.00%+20,140+43.4%Added
Los Angeles Capital Management LLC70,930$561.0K0.00%+70,930New
Citadel Advisors LLC74,129$586.0K0.00%−112,695−60.3%Reduced
Swiss National Bank84,300$667.0K0.00%−17,200−16.9%Reduced
Algert Global LLC88,097$697.0K0.05%+63,780+262.3%Added
PDT Partners, LLC88,578$701.0K0.06%+72,610+454.7%Added
Kennedy Capital Management, Inc.99,176$784.0K0.02%+1,911+2.0%Added
ExodusPoint Capital Management, LP111,126$879.0K0.01%+111,126New
Silvercrest Asset Management Group LLC114,759$908.0K0.01%−5,075−4.2%Reduced
Capital Fund Management S.A.116,807$923.9K0.02%+116,807New
JPMorgan Chase & Co120,495$954.0K0.00%+51,312+74.2%Added
SEI Investments Co121,005$957.0K0.00%−9,713−7.4%Reduced
Tekla Capital Management LLC122,271$967.0K0.04%00.0%Unchanged
UBS Group AG128,987$1.02M0.00%+6,222+5.1%Added
Occudo Quantitative Strategies LP138,395$1.09M0.09%+115,035+492.4%Added
Bank of New York Mellon Corp142,071$1.12M0.00%+2,302+1.6%Added
SG Americas Securities, LLC153,033$1.21M0.02%+120,074+364.3%Added
Allianz Asset Management GmbH164,075$1.30M0.00%+31,341+23.6%Added
UBS Oconnor LLC219,820$1.74M0.02%+219,820New
Walleye Capital LLC257,357$2.04M0.06%+223,967+670.8%Added
Russell Investments Group, Ltd.289,562$2.29M0.00%+106,446+58.1%Added
Bank of America Corp307,230$2.43M0.00%+59,354+23.9%Added
Rafferty Asset Management, LLC314,232$2.49M0.02%+106,138+51.0%Added
Two Sigma Investments, LP315,644$2.50M0.01%+27,126+9.4%Added
Citigroup Inc317,499$2.51M0.00%+281,843+790.5%Added