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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, Q1 2024

Institutional positions in Phathom Pharmaceuticals, 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
114
−3 vs. Q4 2023
Shares held
55.4M
+1.29M (+2.4%) vs. Q4 2023
Total value
$588.2M
+$84.9M (+16.9%) vs. Q4 2023
New holders
13
41 more added
Sold out
16
34 more reduced

Compare with Q4 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 holdersQ1 2024: 114 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 heldQ1 2024: $588.2M
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, Q1 2024

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

Institutions holding PHAT in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC4$00.00%+4New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7$740.00%+7New
Farther Finance Advisors, LLC17$1800.00%−2−10.5%Reduced
Nisa Investment Advisors, LLC20$2120.00%−10−33.3%Reduced
ZRC Wealth Management, LLC20$2130.00%00.0%Unchanged
GAMMA Investing LLC23$2440.00%+16+228.6%Added
Riggs Asset Managment Co. Inc.69$7330.00%+69New
The PNC Financial Services Group, Inc.166$1.76K0.00%+31+23.0%Added
Bear Mountain Capital, Inc.200$1.96K0.00%00.0%Unchanged
Daiwa Securities Group Inc.167$2.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.230$2.44K0.00%−49−17.6%Reduced
BFSG, LLC300$3.19K0.00%00.0%Unchanged
Vestcor Inc548$6.00K0.00%−367−40.1%Reduced
Tower Research Capital LLC (TRC)580$6.16K0.00%−9,281−94.1%Reduced
Huntington National Bank978$10.4K0.00%+18+1.9%Added
Amalgamated Bank1,090$12.0K0.00%−1,734−61.4%Reduced
ICA Group Wealth Management, LLC1,300$13.8K0.00%00.0%Unchanged
Metropolitan Life Insurance Co1,818$19.3K0.00%00.0%Unchanged
Royal Bank of Canada2,016$22.0K0.00%−8,416−80.7%Reduced
FMR LLC2,084$22.1K0.00%−1,249−37.5%Reduced
Great West Life Assurance Co2,839$30.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,095$32.9K0.00%00.0%Unchanged
US Bancorp3,450$36.6K0.00%+3,450New
FNY Investment Advisers, LLC5,000$53.0K0.03%+5,000New
New York State Common Retirement Fund5,924$62.9K0.00%+137+2.4%Added
Citigroup Inc6,045$64.2K0.00%+396+7.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)7,084$75.2K0.00%−1,187−14.4%Reduced
State Board of Administration of Florida Retirement System11,228$80.2K0.00%+11,228New
Mirae Asset Global Investments Co., Ltd.13,906$101.7K0.00%+270+2.0%Added
Virtus ETF Advisers LLC9,701$103.0K0.05%−666−6.4%Reduced
Davenport & Co LLC10,000$106.2K0.00%00.0%Unchanged
Staley Capital Advisers Inc10,000$106.2K0.00%00.0%Unchanged
Kestra Private Wealth Services, LLC10,000$106.2K0.00%+10,000New
Klingman & Associates, LLC10,376$110.2K0.01%+10,376New
Principal Financial Group Inc10,783$114.5K0.00%−802−6.9%Reduced
China Universal Asset Management Co., Ltd.10,989$116.7K0.01%+4,363+65.8%Added
Voya Investment Management LLC11,019$117.0K0.00%−1,824−14.2%Reduced
Wells Fargo & Company11,605$123.2K0.00%+715+6.6%Added
Entropy Technologies, LP12,138$128.9K0.01%−2,452−16.8%Reduced
Stratos Wealth Advisors, LLC12,500$132.8K0.01%00.0%Unchanged
Manufacturers Life Insurance Company, The12,602$133.8K0.00%+352+2.9%Added
UBS Asset Management Americas Inc12,893$136.9K0.00%00.0%Unchanged
Gsa Capital Partners LLP14,174$151.0K0.01%+14,174New
Deutsche Bank AG14,262$151.5K0.00%−3,437−19.4%Reduced
American International Group, Inc.15,802$167.8K0.00%−136−0.9%Reduced
MetLife Investment Management16,471$174.9K0.00%00.0%Unchanged
SG Americas Securities, LLC18,873$200.0K0.00%+803+4.4%Added
EntryPoint Capital, LLC19,380$205.8K0.18%+19,380New
Price T Rowe Associates Inc19,573$208.0K0.00%+2,172+12.5%Added
Jacobs Levy Equity Management, Inc20,987$222.9K0.00%−572,764−96.5%Reduced
Prelude Capital Management, LLC22,044$234.1K0.02%+22,044New
Allworth Financial LP22,580$239.8K0.00%00.0%Unchanged
Fulton Breakefield Broenniman LLC23,579$250.4K0.02%00.0%Unchanged
Jane Street Group, LLC25,021$265.7K0.00%−40,233−61.7%Reduced
Barclays PLC28,199$299.5K0.00%−21,473−43.2%Reduced
UBS Oconnor LLC28,583$303.6K0.01%−14,626−33.8%Reduced
California State Teachers Retirement System28,947$307.4K0.00%−1,643−5.4%Reduced
Occidental Asset Management, LLC29,672$315.1K0.06%00.0%Unchanged
Creative Planning32,102$340.9K0.00%+10,750+50.3%Added
Alliancebernstein L.P.32,290$342.9K0.00%−5,410−14.4%Reduced
Legal & General Group Plc34,102$362.2K0.00%−151−0.4%Reduced
Inspirion Wealth Advisors, LLC35,134$373.1K0.06%00.0%Unchanged
Credit Suisse AG39,683$421.4K0.00%+1,647+4.3%Added
Rhumbline Advisers47,103$500.2K0.00%−1,399−2.9%Reduced
UBS Group AG49,923$530.2K0.00%+10,491+26.6%Added
Two Sigma Advisers, LP51,600$548.0K0.00%+28,900+127.3%Added
Swiss National Bank56,000$594.7K0.00%00.0%Unchanged
State of Wisconsin Investment Board59,186$628.6K0.00%+11,872+25.1%Added
Susquehanna International Group, LLP59,437$631.2K0.00%+7,124+13.6%Added
Penn Mutual Asset Management, LLC62,802$667.0K1.42%00.0%Unchanged
D. E. Shaw & Co., Inc.64,138$681.1K0.00%−65,251−50.4%Reduced
Bank of New York Mellon Corp95,221$1.01M0.00%−11,098−10.4%Reduced
Bank of America Corp105,855$1.12M0.00%+24,062+29.4%Added
Moore Capital Management, LP120,000$1.27M0.03%+20,000+20.0%Added
Citadel Advisors LLC125,645$1.33M0.00%+114,112+989.4%Added
JPMorgan Chase & Co138,452$1.47M0.00%−7,585−5.2%Reduced
Schonfeld Strategic Advisors LLC144,700$1.54M0.01%+83,700+137.2%Added
Newtyn Management, LLC165,000$1.75M0.35%−481,760−74.5%Reduced
Goldman Sachs Group Inc207,372$2.20M0.00%−2,839−1.4%Reduced
Wellington Management Group LLP223,390$2.37M0.00%+68,999+44.7%Added
Millennium Management LLC225,024$2.39M0.00%+54,980+32.3%Added
Morgan Stanley237,160$2.52M0.00%+112,609+90.4%Added
Nuveen Asset Management, LLC262,048$2.78M0.00%−42,561−14.0%Reduced
Charles Schwab Investment Management Inc264,494$2.81M0.00%+1,970+0.8%Added
Northern Trust Corp283,200$3.01M0.00%−6,619−2.3%Reduced
Eagle Asset Management Inc304,839$3.23M0.02%+304,839New
StepStone Group LP422,085$4.48M0.95%00.0%Unchanged
Checkpoint Capital L.P.445,161$4.73M3.16%+85,715+23.8%Added
Octagon Capital Advisors LP455,000$4.83M0.59%+405,000+810.0%Added
Two Sigma Investments, LP467,448$4.96M0.01%+200,591+75.2%Added
Ghost Tree Capital, LLC485,000$5.15M1.66%+99,759+25.9%Added
Saturn V Capital Management LLC500,987$5.32M2.13%+340,912+213.0%Added
Simplify Asset Management Inc.521,935$5.54M0.53%+284,000+119.4%Added
Woodline Partners LP566,439$6.02M0.06%−529,682−48.3%Reduced
GW&K Investment Management, LLC568,026$6.03M0.05%+6,536+1.2%Added
Kennedy Capital Management, Inc.572,336$6.08M0.13%+360+0.1%Added
State Street Corp717,201$7.62M0.00%+29,364+4.3%Added
Catalys Pacific, LLC721,962$7.67M5.18%00.0%Unchanged
Geode Capital Management, LLC751,379$7.98M0.00%+16,106+2.2%Added
Decheng Capital LLC850,000$9.03M1.21%00.0%Unchanged