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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, Q3 2024

Institutional positions in Phathom Pharmaceuticals, Inc. as of Sep 30, 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
133
+20 vs. Q2 2024
Shares held
72.6M
+17.5M (+31.6%) vs. Q2 2024
Total value
$1.31B
+$744.3M (+130.9%) vs. Q2 2024
New holders
30
57 more added
Sold out
10
18 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 133 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 heldQ3 2024: $1.31B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q2 2024.

Institutions holding PHAT in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Frazier Life Sciences Management, L.P.10,109,279$182.8M7.33%00.0%Unchanged
Medicxi Ventures Management (Jersey) Ltd7,464,572$135.0M25.52%00.0%Unchanged
Jennison Associates LLC5,866,389$106.1M0.07%+3,108,810+112.7%Added
Invesco Ltd.4,096,762$74.1M0.01%+953,310+30.3%Added
Carlyle Group Inc.3,496,808$63.2M6.63%00.0%Unchanged
BlackRock, Inc.3,122,570$56.5M0.00%+3,122,570New
Vanguard Group Inc2,696,323$48.7M0.00%+484,568+21.9%Added
Ensign Peak Advisors, Inc2,581,388$46.7M0.08%+336,560+15.0%Added
Woodline Partners LP2,573,412$46.5M0.39%+1,787,422+227.4%Added
NEA Management Company, LLC1,960,169$35.4M1.93%00.0%Unchanged
Avidity Partners Management LP1,804,493$32.6M1.66%+184,493+11.4%Added
Portolan Capital Management, LLC1,699,918$30.7M2.23%+569,829+50.4%Added
Gilder Gagnon Howe & Co LLC1,622,883$29.3M0.35%+150,624+10.2%Added
Checkpoint Capital L.P.1,504,307$27.2M13.49%+629,307+71.9%Added
OrbiMed Advisors LLC1,449,073$26.2M0.48%+1,449,073New
Federated Hermes, Inc.1,403,638$25.4M0.06%+1,403,638New
FMR LLC1,304,114$23.6M0.00%+1,301,458+49,000.7%Added
Decheng Capital LLC1,250,000$22.6M5.35%+400,000+47.1%Added
GW&K Investment Management, LLC1,126,083$20.4M0.17%+525,640+87.5%Added
Catalys Pacific, LLC1,122,572$20.3M16.19%+400,610+55.5%Added
683 Capital Management, LLC1,010,000$18.3M1.86%−390,000−27.9%Reduced
State Street Corp922,788$16.7M0.00%+137,539+17.5%Added
Saturn V Capital Management LLC874,590$15.8M5.65%+281,284+47.4%Added
Propel Bio Management, LLC869,927$15.7M9.12%00.0%Unchanged
Geode Capital Management, LLC862,918$15.6M0.00%+56,871+7.1%Added
Oracle Investment Management Inc749,487$13.6M10.83%+524,487+233.1%Added
Kennedy Capital Management, Inc.728,490$13.2M0.29%−102,416−12.3%Reduced
Simplify Asset Management Inc.521,935$9.44M0.65%00.0%Unchanged
Siren, L.L.C.460,753$8.33M0.42%+460,753New
Point72 Asset Management, L.P.439,816$7.95M0.03%+439,816New
Morgan Stanley439,490$7.95M0.00%−323,107−42.4%Reduced
Goldman Sachs Group Inc434,221$7.85M0.00%+16,937+4.1%Added
Eagle Asset Management Inc455,196$7.67M0.04%+93,733+25.9%Added
StepStone Group LP422,085$7.63M2.78%00.0%Unchanged
Prudential Financial Inc415,340$7.51M0.01%+63,000+17.9%Added
Ghost Tree Capital, LLC375,000$6.78M2.31%−225,000−37.5%Reduced
Northern Trust Corp320,775$5.80M0.00%+44,115+15.9%Added
Charles Schwab Investment Management Inc292,860$5.29M0.00%+6,990+2.4%Added
Wasatch Advisors Inc246,942$4.46M0.02%+246,942New
Citadel Advisors LLC220,403$3.98M0.00%+141,587+179.6%Added
EAM Investors, LLC216,448$3.91M0.59%+216,448New
Schonfeld Strategic Advisors LLC208,640$3.77M0.03%+40,317+24.0%Added
Susquehanna International Group, LLP178,670$3.23M0.01%+178,670New
Wellington Management Group LLP173,383$3.13M0.00%−53,258−23.5%Reduced
Nuveen Asset Management, LLC154,374$2.79M0.00%+13,352+9.5%Added
Two Sigma Investments, LP154,030$2.78M0.01%−149,401−49.2%Reduced
D. E. Shaw & Co., Inc.143,707$2.60M0.00%+143,707New
JPMorgan Chase & Co135,431$2.45M0.00%+1,074+0.8%Added
Moore Capital Management, LP130,000$2.35M0.07%+10,000+8.3%Added
Bank of America Corp103,779$1.88M0.00%+5,747+5.9%Added
Bank of New York Mellon Corp98,191$1.78M0.00%−16,530−14.4%Reduced
UBS Asset Management Americas Inc98,025$1.77M0.00%+4,871+5.2%Added
State of Wisconsin Investment Board81,770$1.48M0.00%−31,822−28.0%Reduced
Swiss National Bank73,300$1.33M0.00%+17,300+30.9%Added
UBS Group AG71,941$1.30M0.00%+28,855+67.0%Added
ExodusPoint Capital Management, LP69,282$1.25M0.01%+69,282New
Balyasny Asset Management LLC65,659$1.19M0.00%+50,653+337.6%Added
Penn Mutual Asset Management, LLC62,802$1.14M2.25%00.0%Unchanged
Barclays PLC57,807$1.05M0.00%+45,402+366.0%Added
Rhumbline Advisers50,858$919.5K0.00%−4,320−7.8%Reduced
Alliancebernstein L.P.50,110$906.0K0.00%00.0%Unchanged
Numerai GP LLC49,327$891.8K0.24%+49,327New
Inspirion Wealth Advisors, LLC36,634$662.3K0.09%00.0%Unchanged
Tudor Investment Corp Et Al36,383$657.8K0.01%+36,383New
California State Teachers Retirement System35,261$637.5K0.00%+6,210+21.4%Added
Legal & General Group Plc34,378$621.6K0.00%+53+0.2%Added
SEI Investments Co33,898$612.9K0.00%+33,898New
Creative Planning33,884$612.6K0.00%+6,933+25.7%Added
MML Investors Services, LLC33,860$612.0K0.00%+14,260+72.8%Added
Millennium Management LLC32,928$595.3K0.00%+32,928New
Citigroup Inc31,521$569.9K0.00%+22,665+255.9%Added
Virtus ETF Advisers LLC30,078$543.8K0.25%00.0%Unchanged
Occidental Asset Management, LLC29,672$536.5K0.09%00.0%Unchanged
Summit Financial Wealth Advisors, LLC29,032$524.9K0.10%+29,032New
Jane Street Group, LLC27,842$503.4K0.00%−28,006−50.1%Reduced
Allworth Financial LP22,594$408.5K0.00%+14+0.1%Added
Chartwell Investment Partners, LLC21,904$396.0K0.01%+21,904New
Price T Rowe Associates Inc21,049$381.0K0.00%+474+2.3%Added
Deutsche Bank AG20,227$365.7K0.00%+5,156+34.2%Added
MetLife Investment Management19,029$344.0K0.00%+740+4.0%Added
Mirae Asset Global ETFs Holdings Ltd.18,741$338.8K0.00%+2,471+15.2%Added
Corebridge Financial, Inc.18,245$329.9K0.00%−113−0.6%Reduced
Wells Fargo & Company18,054$326.4K0.00%+739+4.3%Added
Keybank National Association18,043$326.2K0.00%+18,043New
Simplex Trading, LLC15,698$283.0K0.01%+15,698New
Group One Trading, L.P.15,130$273.6K0.01%+7,762+105.3%Added
Gsa Capital Partners LLP15,083$273.0K0.02%−14,323−48.7%Reduced
Cowen and Company, LLC15,000$271.2K0.01%+15,000New
Manufacturers Life Insurance Company, The13,594$245.8K0.00%−347−2.5%Reduced
SG Americas Securities, LLC13,483$244.0K0.00%+13,483New
LVW Advisors, LLC13,440$243.0K0.03%+531+4.1%Added
Stratos Wealth Advisors, LLC13,438$243.0K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.13,134$237.5K0.03%+6,257+91.0%Added
Intech Investment Management LLC11,443$206.9K0.00%+11,443New
Voya Investment Management LLC11,364$205.5K0.00%−327−2.8%Reduced
Quest Partners LLC10,918$197.4K0.02%+10,918New
Arizona State Retirement System10,814$195.5K0.00%+10,814New
New York State Common Retirement Fund10,770$194.7K0.00%00.0%Unchanged
ProShare Advisors LLC10,485$189.6K0.00%+10,485New
Commonwealth Equity Services, LLC10,410$188.0K0.00%−1,186−10.2%Reduced