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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 2024

Institutional positions in Protagonist Therapeutics, Inc as of Mar 31, 2024. 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
185
+28 vs. Q4 2023
Shares held
60.0M
+2.49M (+4.3%) vs. Q4 2023
Total value
$1.73B
+$416.8M (+31.6%) vs. Q4 2023
New holders
49
62 more added
Sold out
21
56 more reduced

Compare with Q4 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 holdersQ1 2024: 185 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 2024: $1.73B
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 2024

Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q4 2023.

Institutions holding PTGX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Farallon Capital Management, L.L.C.5,738,973$166.0M0.98%+4,543+0.1%Added
BlackRock Inc.5,569,485$161.1M0.00%+25,583+0.5%Added
RTW Investments, LP5,315,514$153.8M2.27%00.0%Unchanged
BVF Inc3,755,990$108.7M2.99%−1,988,858−34.6%Reduced
State Street Corp3,272,485$94.7M0.00%+542,556+19.9%Added
Vanguard Group Inc3,192,971$92.4M0.00%+39,055+1.2%Added
Johnson & Johnson2,449,183$70.9M1.61%00.0%Unchanged
Adage Capital Partners GP, L.L.C.2,218,868$64.2M0.12%+927,167+71.8%Added
Morgan Stanley1,879,878$54.4M0.00%+688,041+57.7%Added
Cowen and Company, LLC1,557,636$45.1M1.76%+1,557,636New
Geode Capital Management, LLC1,293,739$37.4M0.00%+45,455+3.6%Added
Point72 Asset Management, L.P.1,199,902$34.7M0.10%−1,413,551−54.1%Reduced
Jefferies Financial Group Inc.1,180,561$34.2M0.69%−90,000−7.1%Reduced
Kynam Capital Management, LP1,144,242$33.1M3.68%−860,633−42.9%Reduced
Perceptive Advisors LLC994,323$28.8M0.51%+611,063+159.4%Added
Marshall Wace, LLP976,893$28.3M0.05%+834,423+585.7%Added
Fairmount Funds Management LLC931,890$27.0M2.94%+931,890New
Deutsche Bank AG910,806$26.3M0.01%+794+0.1%Added
Price T Rowe Associates Inc819,296$23.7M0.00%−4,444−0.5%Reduced
Dimensional Fund Advisors LP791,344$22.9M0.01%−25,193−3.1%Reduced
ADAR1 Capital Management, LLC785,655$22.7M6.21%+584,796+291.1%Added
683 Capital Management, LLC700,000$20.3M2.07%−15,000−2.1%Reduced
Nuveen Asset Management, LLC678,201$19.6M0.01%+372,782+122.1%Added
Woodline Partners LP636,956$18.4M0.17%+636,956New
Driehaus Capital Management LLC560,530$16.2M0.16%+361,841+182.1%Added
Northern Trust Corp538,995$15.6M0.00%−11,144−2.0%Reduced
Goldman Sachs Group Inc525,040$15.2M0.00%+9,820+1.9%Added
Charles Schwab Investment Management Inc496,562$14.4M0.00%+41,241+9.1%Added
FMR LLC466,085$13.5M0.00%+1330.0%Added
Mangrove Partners439,314$12.7M1.10%00.0%Unchanged
Eversept Partners, LP411,478$11.9M0.89%−126,596−23.5%Reduced
Gratus Capital LLC408,173$11.8M0.54%+10,602+2.7%Added
Candriam Luxembourg S.C.A.360,000$10.4M0.07%−177,000−33.0%Reduced
UBS Asset Management Americas Inc335,318$9.70M0.00%+46,239+16.0%Added
Kennedy Capital Management, Inc.298,068$8.62M0.18%−6,722−2.2%Reduced
Checkpoint Capital L.P.280,301$8.11M5.42%+13,445+5.0%Added
Bank of America Corp266,551$7.71M0.00%+113,142+73.8%Added
Rafferty Asset Management, LLC239,208$6.92M0.03%+71,413+42.6%Added
JPMorgan Chase & Co237,440$6.87M0.00%−173,606−42.2%Reduced
Citigroup Inc208,641$6.04M0.01%+135,938+187.0%Added
CIBC World Markets Corp200,000$5.79M0.04%+200,000New
Rubric Capital Management LP198,059$5.73M0.17%+198,059New
Two Sigma Advisers, LP196,700$5.69M0.01%−25,300−11.4%Reduced
Silvercrest Asset Management Group LLC188,743$5.46M0.04%+8,247+4.6%Added
Bank of New York Mellon Corp187,234$5.42M0.00%−15,943−7.8%Reduced
UBS Group AG177,546$5.14M0.00%+26,679+17.7%Added
American Century Companies Inc160,320$4.64M0.00%+121,976+318.1%Added
Two Sigma Investments, LP157,594$4.56M0.01%−1,249−0.8%Reduced
Algert Global LLC147,843$4.28M0.17%+72,083+95.1%Added
Walleye Capital LLC134,114$3.88M0.04%−51,312−27.7%Reduced
Jacobs Levy Equity Management, Inc129,011$3.73M0.02%00.0%Unchanged
Artia Global Partners LP124,440$3.60M0.88%+12,100+10.8%Added
Privium Fund Management B.V.114,024$3.30M0.88%+114,024New
HSBC Holdings PLC112,887$3.27M0.00%−6,447−5.4%Reduced
Opaleye Management Inc.112,700$3.26M0.71%00.0%Unchanged
UBS Oconnor LLC109,330$3.16M0.09%+3,176+3.0%Added
TD Asset Management Inc108,452$3.14M0.00%−2,348−2.1%Reduced
Trexquant Investment LP102,379$2.96M0.06%+102,379New
Moody Aldrich Partners LLC100,519$2.91M0.49%+38,192+61.3%Added
Affinity Asset Advisors, LLC100,000$2.89M0.47%+100,000New
Great Lakes Advisors, LLC97,160$2.81M0.02%+6,007+6.6%Added
Connor, Clark & Lunn Investment Management Ltd.93,186$2.70M0.01%−14,356−13.3%Reduced
Swiss National Bank90,700$2.62M0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The89,657$2.59M0.00%+21,225+31.0%Added
CIBC World Markets Inc.87,000$2.52M0.01%+87,000New
Alliancebernstein L.P.85,400$2.47M0.00%00.0%Unchanged
Rhumbline Advisers84,989$2.46M0.00%+1,697+2.0%Added
Jane Street Group, LLC81,270$2.35M0.00%+8,339+11.4%Added
AQR Capital Management LLC81,007$2.34M0.00%+71,665+767.1%Added
Ghost Tree Capital, LLC75,000$2.17M0.70%−50,000−40.0%Reduced
Susquehanna International Group, LLP71,818$2.08M0.00%−37,865−34.5%Reduced
Voya Investment Management LLC69,443$2.01M0.00%+26,198+60.6%Added
Credit Suisse AG63,024$1.82M0.00%+507+0.8%Added
Qube Research & Technologies Ltd62,155$1.80M0.00%+62,155New
Barclays PLC61,819$1.79M0.00%−87,155−58.5%Reduced
First Trust Advisors LP60,663$1.75M0.00%+60,663New
Gsa Capital Partners LLP55,359$1.60M0.13%+35,571+179.8%Added
Knott David M Jr52,368$1.51M0.54%00.0%Unchanged
Legal & General Group Plc50,686$1.47M0.00%+5,397+11.9%Added
Birchview Capital, LP48,000$1.39M1.13%00.0%Unchanged
California State Teachers Retirement System47,239$1.37M0.00%−3,153−6.3%Reduced
BNP Paribas Arbitrage, SA47,233$1.37M0.00%−24,665−34.3%Reduced
Citadel Advisors LLC45,616$1.32M0.00%−2,248−4.7%Reduced
Millennium Management LLC42,865$1.24M0.00%−106,298−71.3%Reduced
SEI Investments Co41,758$1.21M0.00%+4,529+12.2%Added
State of Wisconsin Investment Board41,486$1.20M0.00%+1,687+4.2%Added
Alps Advisors Inc41,099$1.19M0.01%+1,027+2.6%Added
Resolute Capital Asset Partners LLC39,500$1.14M0.60%+39,500New
Engineers Gate Manager LP37,570$1.09M0.03%+25,048+200.0%Added
Profund Advisors LLC37,475$1.08M0.04%+9,585+34.4%Added
D. E. Shaw & Co., Inc.35,640$1.03M0.00%+35,640New
Hennion & Walsh Asset Management, Inc.34,895$1.01M0.05%+849+2.5%Added
Jackson Creek Investment Advisors LLC34,712$1.00M0.36%+34,712New
Soleus Capital Management, L.P.34,500$998.1K0.09%−48,500−58.4%Reduced
Twinbeech Capital LP34,468$997.2K0.02%+10,307+42.7%Added
Renaissance Technologies LLC32,567$942.0K0.00%−181,400−84.8%Reduced
Franklin Resources Inc31,844$921.2K0.00%+31,844New
Polar Asset Management Partners Inc.31,400$908.4K0.02%+31,400New
Los Angeles Capital Management LLC30,827$891.8K0.00%+21,673+236.8%Added
Suvretta Capital Management, LLC30,500$882.4K0.04%+30,500New