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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 2022

Institutional positions in Phathom Pharmaceuticals, Inc. as of Sep 30, 2022. 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
94
+1 vs. Q2 2022
Shares held
30.2M
+2.85M (+10.4%) vs. Q2 2022
Total value
$334.3M
+$104.4M (+45.4%) vs. Q2 2022
New holders
19
34 more added
Sold out
18
23 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 94 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 2022: $334.3M
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 2022

Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q2 2022.

Institutions holding PHAT in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Rockefeller Capital Management L.P.29$00.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.35$00.00%00.0%Unchanged
Massmutual Trust Co FSB28$00.00%+28New
Point72 Hong Kong Ltd39$00.00%+39New
Ellevest, Inc.12$00.00%+12New
Parallel Advisors, LLC29$00.00%+29New
Daiwa Securities Group Inc.92$1.00K0.00%00.0%Unchanged
Crewe Advisors LLC107$1.00K0.00%00.0%Unchanged
Wipfli Financial Advisors LLC,115$1.00K0.00%+115New
Quadrant Capital Group LLC212$2.00K0.00%00.0%Unchanged
Signaturefd, LLC216$2.00K0.00%+148+217.6%Added
IFP Advisors, Inc62$2.00K0.00%+6+10.7%Added
Lindbrook Capital, LLC173$2.00K0.00%+127+276.1%Added
Royal Bank of Canada280$3.00K0.00%+150+115.4%Added
Cutler Group LP400$4.00K0.00%−200−33.3%Reduced
Tradition Wealth Management, LLC400$4.00K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.367$4.00K0.00%+367New
Wells Fargo & Company407$5.00K0.00%−192−32.1%Reduced
US Bancorp409$5.00K0.00%+291+246.6%Added
Advisor Group Holdings, Inc.550$6.00K0.00%−12,011−95.6%Reduced
UBS Group AG628$7.00K0.00%+628New
Great West Life Assurance Co850$9.00K0.00%00.0%Unchanged
Huntington National Bank929$10.0K0.00%−110−10.6%Reduced
Barclays PLC976$11.0K0.00%−3,791−79.5%Reduced
FMR LLC1,215$13.0K0.00%+837+221.4%Added
Citigroup Inc1,247$14.0K0.00%−1,262−50.3%Reduced
Metropolitan Life Insurance Co1,402$15.5K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,588$17.0K0.00%00.0%Unchanged
Quantbot Technologies LP3,327$36.0K0.00%−2,200−39.8%Reduced
Amalgamated Bank3,573$40.0K0.00%+55+1.6%Added
Tower Research Capital LLC (TRC)4,451$49.0K0.00%−929−17.3%Reduced
Legal & General Group Plc7,421$82.0K0.00%+1,093+17.3%Added
Staley Capital Advisers Inc10,000$111.0K0.01%+10,000New
Manufacturers Life Insurance Company, The10,080$111.7K0.00%−404−3.9%Reduced
Deutsche Bank AG10,691$118.0K0.00%+542+5.3%Added
Credit Suisse AG10,812$120.0K0.00%+491+4.8%Added
American International Group, Inc.10,933$121.0K0.00%+155+1.4%Added
MetLife Investment Management12,302$136.3K0.00%00.0%Unchanged
Allworth Financial LP14,376$159.0K0.00%+14,376New
Ergoteles LLC14,378$159.0K0.01%+14,378New
D. E. Shaw & Co., Inc.14,477$160.0K0.00%−47,781−76.7%Reduced
New York State Common Retirement Fund14,686$163.0K0.00%+150+1.0%Added
Price T Rowe Associates Inc14,635$163.0K0.00%+4,295+41.5%Added
Trexquant Investment LP14,955$166.0K0.01%−18,388−55.1%Reduced
Alliancebernstein L.P.15,800$175.0K0.00%+1,200+8.2%Added
State Board of Administration of Florida Retirement System16,098$178.0K0.00%−10−0.1%Reduced
Virtus ETF Advisers LLC16,847$187.0K0.07%+121+0.7%Added
Cubist Systematic Strategies, LLC18,294$203.0K0.00%+18,294New
Balyasny Asset Management LLC18,532$205.0K0.00%+18,532New
Inspirion Wealth Advisors, LLC23,269$258.0K0.06%00.0%Unchanged
Susquehanna International Group, LLP23,899$265.0K0.00%+23,899New
Two Sigma Advisers, LP24,100$267.0K0.00%−8,800−26.7%Reduced
California State Teachers Retirement System24,220$268.0K0.00%−710−2.8%Reduced
Rhumbline Advisers28,927$321.0K0.00%+2,278+8.5%Added
Occidental Asset Management, LLC29,672$329.0K0.10%00.0%Unchanged
Jane Street Group, LLC31,569$350.0K0.00%+31,569New
Squarepoint Ops LLC34,406$381.0K0.00%+18,529+116.7%Added
Swiss National Bank41,500$460.0K0.00%00.0%Unchanged
Curi Capital45,000$499.0K0.08%+45,000New
Millennium Management LLC50,396$558.0K0.00%+50,396New
HRT Financial LP52,801$585.0K0.01%+52,801New
Hennion & Walsh Asset Management, Inc.54,671$606.0K0.04%−1,833−3.2%Reduced
Goldman Sachs Group Inc57,342$635.0K0.00%+4,970+9.5%Added
SEI Investments Co59,589$660.0K0.00%−4,110−6.5%Reduced
Bank of America Corp70,748$784.0K0.00%−20,796−22.7%Reduced
Bank of New York Mellon Corp73,520$814.0K0.00%+9,163+14.2%Added
State of Wisconsin Investment Board86,688$961.0K0.00%−1,152−1.3%Reduced
Penn Mutual Asset Management, LLC86,940$963.0K1.26%00.0%Unchanged
Morgan Stanley92,430$1.02M0.00%−16,432−15.1%Reduced
Candriam Luxembourg S.C.A.112,035$1.24M0.01%+112,035New
Nuveen Asset Management, LLC117,579$1.30M0.00%+2,036+1.8%Added
UBS Oconnor LLC154,093$1.71M0.02%+27,000+21.2%Added
Charles Schwab Investment Management Inc156,680$1.74M0.00%+36,866+30.8%Added
JPMorgan Chase & Co171,370$1.90M0.00%+583+0.3%Added
Northern Trust Corp191,709$2.12M0.00%+1,821+1.0%Added
MPM Oncology Impact Management LP193,326$2.14M0.51%00.0%Unchanged
Rothschild & Co Asset Management US Inc.207,428$2.30M0.04%+7,005+3.5%Added
Rhenman & Partners Asset Management AB235,210$2.49M0.26%00.0%Unchanged
Newtyn Management, LLC315,975$3.50M0.77%+60,208+23.5%Added
Geode Capital Management, LLC402,292$4.46M0.00%+55,356+16.0%Added
StepStone Group LP422,085$4.68M0.67%00.0%Unchanged
State Street Corp445,495$4.94M0.00%+36,613+9.0%Added
Gilder Gagnon Howe & Co LLC552,442$6.12M0.11%−3,663−0.7%Reduced
GW&K Investment Management, LLC593,159$6.57M0.07%+99,709+20.2%Added
Vanguard Group Inc969,754$10.7M0.00%−915,098−48.6%Reduced
Abingworth LLP1,435,106$15.9M5.44%00.0%Unchanged
BlackRock Inc.1,543,150$17.1M0.00%−34,587−2.2%Reduced
683 Capital Management, LLC1,663,943$18.4M1.49%+223,943+15.6%Added
Ensign Peak Advisors, Inc1,761,191$19.5M0.05%+85,703+5.1%Added
Avidity Partners Management LP1,906,800$21.1M0.46%−13,000−0.7%Reduced
Invesco Ltd.2,067,868$22.9M0.01%+21,062+1.0%Added
Deerfield Management Company, L.P. (Series C)2,414,897$26.8M0.53%+2,414,897New
Medicxi Ventures Management (Jersey) Ltd2,484,274$27.5M11.46%+33,595+1.4%Added
Frazier Life Sciences Management, L.P.8,407,152$93.2M7.17%+2,579,737+44.3%Added
Janus Henderson Group PLC0$00.00%−1,092,212−100.0%Sold out
Eventide Asset Management, LLC0$00.00%−336,223−100.0%Sold out
Western Standard LLC0$00.00%−109,055−100.0%Sold out
Pura Vida Investments, LLC0$00.00%−102,328−100.0%Sold out
Walleye Capital LLC0$00.00%−83,031−100.0%Sold out
Parkman Healthcare Partners LLC0$00.00%−69,135−100.0%Sold out