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Phathom Pharmaceuticals, Inc.

PHAT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001783183

No open-market purchases or sales by Phathom Pharmaceuticals, Inc. insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $782.1M in total; no superinvestor holds it.

13F holders, Q2 2023

Institutional positions in Phathom Pharmaceuticals, Inc. as of Jun 30, 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
103
+19 vs. Q1 2023
Shares held
42.8M
+12.0M (+39.0%) vs. Q1 2023
Total value
$612.6M
+$392.9M (+178.8%) vs. Q1 2023
New holders
28
41 more added
Sold out
9
20 more reduced

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PHAT 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 2023: 103 institutions
Q1 2021: 84 institutionsQ2 2021: 79 institutionsQ3 2021: 84 institutionsQ4 2021: 83 institutionsQ1 2022: 82 institutionsQ2 2022: 94 institutionsQ3 2022: 94 institutionsQ4 2022: 87 institutionsQ1 2023: 84 institutionsQ2 2023: 103 institutionsQ3 2023: 110 institutionsQ4 2023: 117 institutionsQ1 2024: 114 institutionsQ2 2024: 114 institutionsQ3 2024: 133 institutionsQ4 2024: 144 institutionsQ1 2025: 137 institutionsQ2 2025: 117 institutionsQ3 2025: 133 institutionsQ4 2025: 173 institutionsQ1 2026: 174 institutionsQ2 2026: 161 institutions
Value heldQ2 2023: $612.6M
Q1 2021: $919.2MQ2 2021: $843.6MQ3 2021: $819.8MQ4 2021: $562.0MQ1 2022: $349.1MQ2 2022: $230.0MQ3 2022: $334.3MQ4 2022: $316.6MQ1 2023: $219.7MQ2 2023: $612.6MQ3 2023: $452.7MQ4 2023: $503.3MQ1 2024: $588.2MQ2 2024: $598.6MQ3 2024: $1.31BQ4 2024: $541.2MQ1 2025: $401.4MQ2 2025: $550.5MQ3 2025: $733.6MQ4 2025: $1.03BQ1 2026: $765.5MQ2 2026: $782.1M
Institutions holding PHAT and their total value by quarter
QuarterHoldersValue
Q2 2026161$782.1M
Q1 2026174$765.5M
Q4 2025173$1.03B
Q3 2025133$733.6M
Q2 2025117$550.5M
Q1 2025137$401.4M
Q4 2024144$541.2M
Q3 2024133$1.31B
Q2 2024114$598.6M
Q1 2024114$588.2M
Q4 2023117$503.3M
Q3 2023110$452.7M
Q2 2023103$612.6M
Q1 202384$219.7M
Q4 202287$316.6M
Q3 202294$334.3M
Q2 202294$230.0M
Q1 202282$349.1M
Q4 202183$562.0M
Q3 202184$819.8M
Q2 202179$843.6M
Q1 202184$919.2M

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding PHAT in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Nisa Investment Advisors, LLC20$2860.00%+7+53.8%Added
Newbridge Financial Services Group, Inc.35$5010.00%00.0%Unchanged
US Bancorp113$1.62K0.00%+113New
Lindbrook Capital, LLC132$1.89K0.00%+132New
Daiwa Securities Group Inc.167$2.00K0.00%00.0%Unchanged
BerganKDV Wealth Management, LLC140$2.00K0.00%+140New
Tower Research Capital LLC (TRC)477$6.83K0.00%−1,228−72.0%Reduced
Tradition Wealth Management, LLC500$7.00K0.00%+100+25.0%Added
China Universal Asset Management Co., Ltd.717$10.3K0.00%+153+27.1%Added
Great West Life Assurance Co850$12.0K0.00%00.0%Unchanged
Huntington National Bank1,069$15.3K0.00%+104+10.8%Added
Cutler Group LP1,200$17.0K0.00%+100+9.1%Added
Metropolitan Life Insurance Co1,373$19.7K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,588$22.7K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)1,788$25.6K0.00%−353−16.5%Reduced
Royal Bank of Canada2,502$36.0K0.00%+617+32.7%Added
Amalgamated Bank2,575$37.0K0.00%−659−20.4%Reduced
Advisor Group Holdings, Inc.4,251$59.4K0.00%+4,100+2,715.2%Added
New York State Common Retirement Fund5,666$81.1K0.00%−8,937−61.2%Reduced
Virtus ETF Advisers LLC8,515$121.9K0.07%+8,515New
Russell Investments Group, Ltd.8,981$128.6K0.00%+8,981New
Citigroup Inc9,084$130.1K0.00%+8,138+860.3%Added
Wells Fargo & Company9,598$137.4K0.00%+4,872+103.1%Added
Renaissance Technologies LLC10,000$143.0K0.00%+10,000New
Staley Capital Advisers Inc10,000$143.2K0.01%00.0%Unchanged
Voya Investment Management LLC10,045$143.8K0.00%+10,045New
Manufacturers Life Insurance Company, The10,416$149.2K0.00%+10,416New
Principal Financial Group Inc10,542$151.0K0.00%+10,542New
Barclays PLC10,813$154.8K0.00%−1,713−13.7%Reduced
Deutsche Bank AG11,129$159.4K0.00%−5,070−31.3%Reduced
Jane Street Group, LLC11,200$160.4K0.00%−2,145−16.1%Reduced
American International Group, Inc.11,846$169.6K0.00%+6+0.1%Added
MetLife Investment Management12,302$176.2K0.00%00.0%Unchanged
Stratos Wealth Advisors, LLC12,500$179.0K0.01%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.13,444$192.5K0.00%+210+1.6%Added
Price T Rowe Associates Inc13,432$193.0K0.00%−1,636−10.9%Reduced
UBS Group AG16,806$240.7K0.00%+16,806New
Vestcor Inc16,895$242.0K0.01%+16,895New
Citadel Advisors LLC16,915$242.2K0.00%−171,569−91.0%Reduced
Ergoteles LLC18,300$262.1K0.01%+18,300New
Trexquant Investment LP18,301$262.1K0.01%+18,301New
Allworth Financial LP19,580$280.4K0.00%00.0%Unchanged
Creative Planning20,475$293.2K0.00%+475+2.4%Added
Simplex Trading, LLC24,326$348.0K0.01%−5,085−17.3%Reduced
Millennium Management LLC27,941$400.1K0.00%−29,922−51.7%Reduced
Occidental Asset Management, LLC29,672$424.9K0.10%00.0%Unchanged
Inspirion Wealth Advisors, LLC30,134$431.5K0.08%+6,885+29.6%Added
Legal & General Group Plc32,276$462.3K0.00%+28,358+723.8%Added
California State Teachers Retirement System37,071$530.9K0.00%+11,541+45.2%Added
FMR LLC37,324$534.5K0.00%+36,556+4,759.9%Added
Alliancebernstein L.P.37,700$539.9K0.00%+10,400+38.1%Added
Credit Suisse AG39,464$565.1K0.00%+22,803+136.9%Added
Two Sigma Investments, LP41,500$594.3K0.00%+12,400+42.6%Added
Rhumbline Advisers50,205$718.9K0.00%+17,444+53.2%Added
Atom Investors LP53,286$763.1K0.29%−33,321−38.5%Reduced
Gsa Capital Partners LLP53,909$772.0K0.08%+33,677+166.5%Added
Bank of America Corp56,082$803.1K0.00%−197,403−77.9%Reduced
Hennion & Walsh Asset Management, Inc.58,658$840.0K0.05%+616+1.1%Added
Moore Capital Management, LP60,000$859.2K0.02%+60,000New
Penn Mutual Asset Management, LLC62,802$899.3K0.81%00.0%Unchanged
Susquehanna International Group, LLP63,408$908.0K0.00%−83,008−56.7%Reduced
Jacobs Levy Equity Management, Inc70,803$1.01M0.01%+70,803New
Swiss National Bank71,500$1.02M0.00%+31,100+77.0%Added
Morgan Stanley72,382$1.04M0.00%−21,316−22.7%Reduced
Bank of New York Mellon Corp78,587$1.13M0.00%+1,250+1.6%Added
State of Wisconsin Investment Board86,295$1.24M0.00%−8,872−9.3%Reduced
Wellington Management Group LLP98,013$1.40M0.00%+98,013New
D. E. Shaw & Co., Inc.113,693$1.63M0.00%+113,693New
AlphaCentric Advisors LLC130,000$1.86M1.03%+130,000New
JPMorgan Chase & Co133,996$1.92M0.00%+409+0.3%Added
UBS Oconnor LLC140,280$2.01M0.04%+40,187+40.1%Added
Ghost Tree Capital, LLC154,250$2.21M0.80%+154,250New
Goldman Sachs Group Inc154,668$2.21M0.00%+105,987+217.7%Added
Federated Hermes, Inc.163,956$2.35M0.01%+163,956New
Charles Schwab Investment Management Inc178,870$2.56M0.00%+7,263+4.2%Added
Nuveen Asset Management, LLC181,609$2.60M0.00%+73,325+67.7%Added
Silverarc Capital Management, LLC200,000$2.86M0.97%00.0%Unchanged
Altium Capital Management LP207,432$2.97M2.32%+207,432New
Northern Trust Corp217,186$3.11M0.00%+4,285+2.0%Added
Simplify Asset Management Inc.237,935$3.41M0.62%00.0%Unchanged
Tang Capital Management LLC250,000$3.58M0.53%+250,000New
MPM Oncology Impact Management LP282,332$4.04M0.81%+69,717+32.8%Added
StepStone Group LP422,085$6.04M1.12%00.0%Unchanged
Geode Capital Management, LLC490,123$7.02M0.00%+41,512+9.3%Added
State Street Corp529,843$7.59M0.00%+66,100+14.3%Added
GW&K Investment Management, LLC592,388$8.48M0.08%−6,460−1.1%Reduced
Deerfield Management Company, L.P. (Series C)656,000$9.39M0.20%+656,000New
Woodline Partners LP673,688$9.65M0.11%+673,688New
Newtyn Management, LLC683,648$9.79M2.31%+1,621+0.2%Added
EcoR1 Capital, LLC700,000$10.0M0.26%+700,000New
Decheng Capital Management III (Cayman), LLC850,000$12.2M3.82%+850,000New
Kennedy Capital Management, Inc.1,049,675$15.0M0.35%+1,049,675New
Gilder Gagnon Howe & Co LLC1,060,605$15.2M0.21%+506,776+91.5%Added
NEA Management Company, LLC1,276,595$18.3M1.40%+1,276,595New
683 Capital Management, LLC1,287,500$18.4M1.79%−38,000−2.9%Reduced
Vanguard Group Inc1,742,337$25.0M0.00%+564,840+48.0%Added
Ensign Peak Advisors, Inc1,757,127$25.2M0.05%−4,064−0.2%Reduced
Avidity Partners Management LP1,949,700$27.9M0.98%−98,900−4.8%Reduced
BlackRock Inc.2,002,632$28.7M0.00%+369,722+22.6%Added
Invesco Ltd.3,332,137$47.7M0.01%+1,150,465+52.7%Added