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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, Q4 2023

Institutional positions in Protagonist Therapeutics, Inc as of Dec 31, 2023. 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
157
+14 vs. Q3 2023
Shares held
57.5M
+792.3K (+1.4%) vs. Q3 2023
Total value
$1.32B
+$372.5M (+39.4%) vs. Q3 2023
New holders
33
40 more added
Sold out
19
60 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 157 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 2023: $1.32B
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 2023

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q3 2023.

Institutions holding PTGX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc5,744,848$131.7M3.30%00.0%Unchanged
Farallon Capital Management, L.L.C.5,734,430$131.5M0.82%+288,000+5.3%Added
BlackRock Inc.5,543,902$127.1M0.00%+314,477+6.0%Added
RTW Investments, LP5,315,514$121.9M1.90%−100,000−1.8%Reduced
Vanguard Group Inc3,153,916$72.3M0.00%−74,478−2.3%Reduced
State Street Corp2,729,929$62.6M0.00%−1,212,209−30.8%Reduced
Point72 Asset Management, L.P.2,613,453$59.9M0.18%+1,505,313+135.8%Added
Johnson & Johnson2,449,183$56.2M1.28%00.0%Unchanged
Kynam Capital Management, LP2,004,875$46.0M5.20%+186,218+10.2%Added
Adage Capital Partners GP, L.L.C.1,291,701$29.6M0.06%+591,701+84.5%Added
Jefferies Financial Group Inc.1,270,561$29.1M0.46%+435,000+52.1%Added
Geode Capital Management, LLC1,248,284$28.6M0.00%+67,028+5.7%Added
Morgan Stanley1,191,837$27.3M0.00%+762,833+177.8%Added
Deutsche Bank AG910,012$20.9M0.01%+838,099+1,165.4%Added
Price T Rowe Associates Inc823,740$18.9M0.00%−8,253−1.0%Reduced
Dimensional Fund Advisors LP816,537$18.7M0.01%−124,737−13.3%Reduced
683 Capital Management, LLC715,000$16.4M1.64%−17,784−2.4%Reduced
Northern Trust Corp550,139$12.6M0.00%−12,549−2.2%Reduced
Eversept Partners, LP538,074$12.3M1.21%+251,326+87.6%Added
Candriam Luxembourg S.C.A.537,000$12.3M0.08%−93,000−14.8%Reduced
Goldman Sachs Group Inc515,220$11.8M0.00%+48,017+10.3%Added
StemPoint Capital LP513,681$11.8M3.17%+513,681New
FMR LLC465,952$10.7M0.00%−43,290−8.5%Reduced
Sio Capital Management, LLC460,044$10.5M2.72%+211,917+85.4%Added
Charles Schwab Investment Management Inc455,321$10.4M0.00%+16,219+3.7%Added
Mangrove Partners439,314$10.1M0.87%00.0%Unchanged
JPMorgan Chase & Co411,046$9.43M0.00%+178,756+77.0%Added
Gratus Capital LLC397,571$9.12M0.52%+104,702+35.8%Added
Perceptive Advisors LLC383,260$8.79M0.20%−671,013−63.6%Reduced
Superstring Capital Management LP379,143$8.69M6.21%+379,143New
Ikarian Capital, LLC319,000$7.31M2.00%+319,000New
Nuveen Asset Management, LLC305,419$7.00M0.00%−230,605−43.0%Reduced
Kennedy Capital Management, Inc.304,790$6.99M0.15%−14,744−4.6%Reduced
UBS Asset Management Americas Inc289,079$6.63M0.00%+218,020+306.8%Added
Deep Track Capital, LP275,201$6.31M0.22%+275,201New
Checkpoint Capital L.P.266,856$6.12M4.27%+266,856New
Two Sigma Advisers, LP222,000$5.09M0.01%−94,900−29.9%Reduced
Renaissance Technologies LLC213,967$4.91M0.01%−12,301−5.4%Reduced
Bank of New York Mellon Corp203,177$4.66M0.00%+1,733+0.9%Added
ADAR1 Capital Management, LLC200,859$4.61M2.06%+200,859New
Driehaus Capital Management LLC198,689$4.56M0.05%+198,689New
Walleye Capital LLC185,426$4.25M0.06%+51,610+38.6%Added
Silvercrest Asset Management Group LLC180,496$4.14M0.03%+340.0%Added
Rafferty Asset Management, LLC167,795$3.85M0.02%−182,486−52.1%Reduced
Two Sigma Investments, LP158,843$3.64M0.01%−177,465−52.8%Reduced
Bank of America Corp153,409$3.52M0.00%−85,629−35.8%Reduced
UBS Group AG150,867$3.46M0.00%+60,141+66.3%Added
Millennium Management LLC149,163$3.42M0.00%+149,163New
Barclays PLC148,974$3.42M0.00%−27,863−15.8%Reduced
Marshall Wace, LLP142,470$3.27M0.01%+120,723+555.1%Added
Jacobs Levy Equity Management, Inc129,011$2.96M0.01%00.0%Unchanged
Ghost Tree Capital, LLC125,000$2.87M1.65%−275,000−68.8%Reduced
HSBC Holdings PLC119,334$2.74M0.00%−434,971−78.5%Reduced
Opaleye Management Inc.112,700$2.58M0.69%+112,700New
Artia Global Partners LP112,340$2.58M1.02%00.0%Unchanged
TD Asset Management Inc110,800$2.54M0.00%00.0%Unchanged
Susquehanna International Group, LLP109,683$2.52M0.00%+52,438+91.6%Added
Connor, Clark & Lunn Investment Management Ltd.107,542$2.47M0.01%−31,952−22.9%Reduced
UBS Oconnor LLC106,154$2.43M0.08%−30,114−22.1%Reduced
Great Lakes Advisors, LLC91,153$2.09M0.02%−50,406−35.6%Reduced
Swiss National Bank90,700$2.08M0.00%−9,900−9.8%Reduced
Schonfeld Strategic Advisors LLC89,113$2.04M0.02%−64,985−42.2%Reduced
Alliancebernstein L.P.85,400$1.96M0.00%−1,872−2.1%Reduced
Rhumbline Advisers83,292$1.91M0.00%+483+0.6%Added
Soleus Capital Management, L.P.83,000$1.90M0.21%+83,000New
Boothbay Fund Management, LLC80,607$1.85M0.07%+80,607New
Algert Global LLC75,760$1.74M0.07%+2,930+4.0%Added
HRT Financial LP73,126$1.68M0.01%+73,126New
Jane Street Group, LLC72,931$1.67M0.00%+34,425+89.4%Added
Citigroup Inc72,703$1.67M0.00%−75,125−50.8%Reduced
BNP Paribas Arbitrage, SA71,898$1.65M0.00%−72,066−50.1%Reduced
Manufacturers Life Insurance Company, The68,432$1.57M0.00%−5,691−7.7%Reduced
Credit Suisse AG62,517$1.43M0.00%+12,404+24.8%Added
Moody Aldrich Partners LLC62,327$1.43M0.26%−6,641−9.6%Reduced
Readystate Asset Management LP57,206$1.31M0.08%−127,141−69.0%Reduced
Knott David M Jr52,368$1.20M0.46%00.0%Unchanged
Balyasny Asset Management LLC50,503$1.16M0.00%+50,503New
California State Teachers Retirement System50,392$1.16M0.00%−2,688−5.1%Reduced
Birchview Capital, LP48,000$1.10M0.86%+10,000+26.3%Added
Citadel Advisors LLC47,864$1.10M0.00%−2,932−5.8%Reduced
Invesco Ltd.45,763$1.05M0.00%+4,862+11.9%Added
Legal & General Group Plc45,289$1.04M0.00%+524+1.2%Added
Voya Investment Management LLC43,245$991.6K0.00%+282+0.7%Added
Alps Advisors Inc40,072$918.9K0.01%−2,377−5.6%Reduced
State of Wisconsin Investment Board39,799$912.6K0.00%−21,682−35.3%Reduced
American Century Companies Inc38,344$879.2K0.00%+38,344New
SEI Investments Co37,229$853.7K0.00%−2,987−7.4%Reduced
Hennion & Walsh Asset Management, Inc.34,046$780.7K0.04%+2,380+7.5%Added
Mirae Asset Global Investments Co., Ltd.31,759$728.2K0.00%−5,463−14.7%Reduced
Fox Run Management, L.L.C.31,275$717.1K0.18%+31,275New
AlphaCentric Advisors LLC30,000$687.9K0.46%−13,500−31.0%Reduced
Bellevue Group AG30,000$687.9K0.01%00.0%Unchanged
Tudor Investment Corp Et Al28,786$660.1K0.01%+28,786New
MetLife Investment Management28,596$655.7K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc28,400$651.2K0.00%00.0%Unchanged
American International Group, Inc.28,390$651.0K0.00%−115−0.4%Reduced
HighVista Strategies LLC28,359$650.3K0.24%+28,359New
Profund Advisors LLC27,890$639.5K0.03%−30,826−52.5%Reduced
Twinbeech Capital LP24,161$554.0K0.01%−123,185−83.6%Reduced
New York State Common Retirement Fund23,103$529.8K0.00%−98−0.4%Reduced