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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 2025

Institutional positions in Protagonist Therapeutics, Inc as of Mar 31, 2025. 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
275
+38 vs. Q4 2024
Shares held
65.3M
+2.28M (+3.6%) vs. Q4 2024
Total value
$3.15B
+$716.0M (+29.4%) vs. Q4 2024
New holders
72
86 more added
Sold out
34
90 more reduced

4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 275 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 2025: $3.15B
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 2025

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q4 2024.

Institutions holding PTGX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.9,736,767$470.9M0.01%−147,850−1.5%Reduced
Farallon Capital Management, L.L.C.6,107,006$295.3M1.59%+177,000+3.0%Added
RTW Investments, LP5,719,415$276.6M4.23%+220,870+4.0%Added
Vanguard Group Inc4,277,218$206.8M0.00%+57,181+1.4%Added
Deep Track Capital, LP3,000,000$145.1M4.70%+2,000,000+200.0%Added
State Street Corp2,706,619$130.9M0.01%−624,442−18.7%Reduced
BVF Inc2,575,015$124.5M5.08%+675,000+35.5%Added
Johnson & Johnson2,449,183$118.4M34.65%00.0%Unchanged
Geode Capital Management, LLC1,423,559$68.9M0.01%+46,496+3.4%Added
Price T Rowe Associates Inc1,322,006$63.9M0.01%−70,646−5.1%Reduced
Perceptive Advisors LLC1,091,271$52.8M1.87%−180,391−14.2%Reduced
Wellington Management Group LLP987,370$47.7M0.01%+47,293+5.0%Added
ADAR1 Capital Management, LLC939,669$45.4M8.74%−80,664−7.9%Reduced
Woodline Partners LP897,699$43.4M0.28%+315,372+54.2%Added
Invesco Ltd.859,648$41.6M0.01%+120,696+16.3%Added
Lynx1 Capital Management LP733,014$35.4M12.69%+733,014New
American Century Companies Inc685,824$33.2M0.02%−242,462−26.1%Reduced
Northern Trust Corp639,507$30.9M0.00%+10,927+1.7%Added
Jefferies Financial Group Inc.631,893$30.6M0.53%−857,602−57.6%Reduced
Charles Schwab Investment Management Inc557,718$27.0M0.01%−20,691−3.6%Reduced
Goldman Sachs Group Inc555,551$26.9M0.01%−203,139−26.8%Reduced
Eversept Partners, LP547,116$26.5M2.99%−131,671−19.4%Reduced
683 Capital Management, LLC500,000$24.2M2.45%+90,000+22.0%Added
Morgan Stanley497,105$24.0M0.00%−43,210−8.0%Reduced
FMR LLC478,343$23.1M0.00%+35,827+8.1%Added
Bank of America Corp471,745$22.8M0.00%+336,873+249.8%Added
JPMorgan Chase & Co468,899$22.7M0.00%−108,078−18.7%Reduced
Toronto Dominion Bank445,440$21.5M0.06%+104,466+30.6%Added
Colony Group, LLC435,097$21.0M0.05%+9,540+2.2%Added
Affinity Asset Advisors, LLC400,000$19.3M3.03%+270,000+207.7%Added
Mangrove Partners395,383$19.1M2.16%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.379,649$18.4M0.05%+253,751+201.6%Added
Bank of New York Mellon Corp376,863$18.2M0.00%−13,925−3.6%Reduced
UBS Group AG352,871$17.1M0.00%+220,262+166.1%Added
Principal Financial Group Inc347,095$16.8M0.01%+9,286+2.7%Added
Adage Capital Partners GP, L.L.C.343,504$16.6M0.03%+343,504New
Qube Research & Technologies Ltd343,411$16.6M0.03%+31,092+10.0%Added
Artia Global Partners LP333,851$16.1M4.73%+40,000+13.6%Added
Renaissance Technologies LLC323,567$15.6M0.02%+102,400+46.3%Added
Raymond James Financial Inc298,827$14.5M0.01%−4,486−1.5%Reduced
Pictet Asset Management Holding SA295,593$14.3M0.02%−918−0.3%Reduced
Schonfeld Strategic Advisors LLC287,301$13.9M0.09%+287,301New
Skandinaviska Enskilda Banken AB (publ)248,950$12.0M0.06%−61,700−19.9%Reduced
Driehaus Capital Management LLC235,073$11.4M0.11%−104,625−30.8%Reduced
UBS Asset Management Americas Inc208,756$10.1M0.00%−79,155−27.5%Reduced
Burney Co201,985$9.77M0.36%+201,985New
Jane Street Group, LLC193,300$9.35M0.02%+131,749+214.0%Added
Susquehanna International Group, LLP192,239$9.30M0.02%+122,302+174.9%Added
Public Sector Pension Investment Board189,031$9.14M0.04%+40,542+27.3%Added
Checkpoint Capital L.P.175,184$8.47M4.65%+175,184New
TD Asset Management Inc169,932$8.22M0.01%−3,770−2.2%Reduced
Soleus Capital Management, L.P.169,000$8.17M0.64%−106,000−38.5%Reduced
Jupiter Asset Management Ltd168,063$8.13M0.08%+168,063New
Moody Aldrich Partners LLC163,483$7.91M1.66%+96,068+142.5%Added
Rhumbline Advisers162,065$7.84M0.01%+101+0.1%Added
Citadel Advisors LLC154,067$7.45M0.01%−10,079−6.1%Reduced
Nuveen, LLC152,771$7.39M0.00%+152,771New
Great Lakes Advisors, LLC152,318$7.37M0.07%+90,371+145.9%Added
Panagora Asset Management Inc149,908$7.25M0.04%+149,908New
New Vernon Capital Holdings II LLC348,095$7.20M0.17%+345,034+11,271.9%Added
Legal & General Group Plc148,107$7.16M0.00%−4,455−2.9%Reduced
Kennedy Capital Management, Inc.137,504$6.65M0.16%−184,022−57.2%Reduced
Ameriprise Financial Inc136,842$6.62M0.00%−4,545−3.2%Reduced
Millennium Management LLC134,269$6.49M0.01%+134,269New
Jacobs Levy Equity Management, Inc128,654$6.22M0.02%00.0%Unchanged
Man Group plc128,606$6.22M0.02%−29,357−18.6%Reduced
Citigroup Inc121,844$5.89M0.00%+822+0.7%Added
Dimensional Fund Advisors LP121,554$5.88M0.00%−104,046−46.1%Reduced
Nan Fung Group Holdings Ltd121,400$5.87M4.79%+121,400New
Manufacturers Life Insurance Company, The120,850$5.84M0.01%−3,491−2.8%Reduced
Barclays PLC111,432$5.39M0.00%−15,301−12.1%Reduced
Opaleye Management Inc.105,000$5.08M1.13%00.0%Unchanged
Trexquant Investment LP103,983$5.03M0.06%+11,195+12.1%Added
Empowered Funds, LLC102,532$4.96M0.07%+102,532New
Victory Capital Management Inc102,411$4.95M0.01%−138,406−57.5%Reduced
Lazard Asset Management LLC96,420$4.66M0.01%+96,420New
Swiss National Bank86,900$4.20M0.00%00.0%Unchanged
Aquilo Capital Management, LLC81,692$3.95M10.65%+5,100+6.7%Added
First Trust Advisors LP81,686$3.95M0.00%−59,265−42.0%Reduced
Franklin Resources Inc79,044$3.82M0.00%−9,826−11.1%Reduced
Northwestern Mutual Wealth Management Co78,894$3.82M0.00%00.0%Unchanged
HighVista Strategies LLC78,452$3.79M1.46%+15,934+25.5%Added
Knott David M Jr76,000$3.68M1.73%+23,632+45.1%Added
EFG Asset Management (North America) Corp.71,134$3.44M0.57%+71,134New
EAM Global Investors LLC69,750$3.37M0.92%+69,750New
HRT Financial LP69,242$3.35M0.02%+61,217+762.8%Added
EAM Investors, LLC69,181$3.35M0.58%+69,181New
Alliancebernstein L.P.67,900$3.28M0.00%−325−0.5%Reduced
Deutsche Bank AG65,695$3.18M0.00%−72,237−52.4%Reduced
J. Goldman & Co LP65,244$3.16M0.11%+65,244New
Voya Investment Management LLC59,678$2.89M0.00%−22,949−27.8%Reduced
BCJ Capital Management, LLC58,413$2.82M0.20%+58,413New
Prudential Financial Inc58,358$2.82M0.00%−1,640−2.7%Reduced
Jump Financial, LLC56,780$2.75M0.04%+56,780New
Silvercrest Asset Management Group LLC54,723$2.65M0.02%−29,703−35.2%Reduced
State of Wisconsin Investment Board53,740$2.60M0.01%+2,958+5.8%Added
State of New Jersey Common Pension Fund D53,736$2.60M0.01%+53,736New
Alps Advisors Inc52,974$2.56M0.01%−2,967−5.3%Reduced
Hussman Strategic Advisors, Inc.52,500$2.54M0.62%−52,500−50.0%Reduced
Great West Life Assurance Co50,955$2.46M0.00%−5,581−9.9%Reduced