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Phathom Pharmaceuticals (PHAT) Institutional Ownership

Phathom Pharmaceuticals logo
$10.47 -0.01 (-0.10%)
Closing price 08/14/2025 04:00 PM Eastern
Extended Trading
$10.53 +0.06 (+0.57%)
As of 04:05 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Phathom Pharmaceuticals (NASDAQ:PHAT)

Current
Institutional Ownership
Percentage
99.01%
Number of
Institutional Buyers
(last 12 months)
84
Total
Institutional Inflows
(last 12 months)
$191.53M
Number of
Institutional Sellers
(last 12 months)
25
Total
Institutional Outflows
(last 12 months)
$54.73M
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PHAT Institutional Buying and Selling by Quarter

Phathom Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2025California State Teachers Retirement System2,889$28K0.0%-91.8%0.004%
8/14/2025Raymond James Financial Inc.3,174$30K0.0%N/A0.004%
8/14/2025The Manufacturers Life Insurance Company 15,826$152K0.0%+9.4%0.022%
8/14/2025Nebula Research & Development LLC37,937$364K0.0%+31.6%0.053%
8/14/2025Diadema Partners LP40,294$386K0.1%N/A0.057%
8/13/2025 Invesco Ltd.4,140,072$39.70M0.0%+13.4%5.836%
8/13/2025 Russell Investments Group Ltd.2,736$26K0.0%-93.5%0.004%
8/12/2025 XTX Topco Ltd14,330$137K0.0%-84.1%0.020%
8/12/2025 Ameritas Investment Partners Inc.4,311$41K0.0%+39.3%0.006%
8/12/2025 Rhumbline Advisers64,557$619K0.0%+13.8%0.091%
8/12/2025 Legal & General Group Plc4,087$39K0.0%-88.8%0.006%
8/12/2025 JPMorgan Chase & Co.138,516$1.33M0.0%+0.8%0.195%
8/12/2025 Entropy Technologies LP11,600$111K0.0%N/A0.016%
8/12/2025 Ensign Peak Advisors Inc2,519,972$24.17M0.0%+0.2%3.552%
8/11/2025 Persistent Asset Partners Ltd9,421$90K0.1%N/A0.013%
8/8/2025 Intech Investment Management LLC28,192$270K0.0%+31.2%0.040%
8/8/2025 Creative Planning57,264$549K0.0%-4.5%0.082%
8/8/2025 Geode Capital Management LLC1,069,927$10.26M0.0%+5.3%1.533%
8/7/2025 Simplify Asset Management Inc.521,935$5.01M0.3%-23.5%0.748%
8/6/2025 Savant Capital LLC11,771$113K0.0%N/A0.017%
7/31/2025 AlphaQuest LLC32,206$309K0.0%+2,127.2%0.046%
6/27/2025Goldman Sachs Group Inc.187,874$1.18M0.0%-54.4%0.269%
5/16/2025Woodline Partners LP751,692$4.71M0.0%-25.0%1.077%
5/16/2025Goldman Sachs Group Inc.187,874$1.18M0.0%-54.4%0.269%
5/16/2025Jacobs Levy Equity Management Inc.596,108$3.74M0.0%N/A0.854%
5/16/2025AQR Capital Management LLC107,399$673K0.0%+508.2%0.154%
5/16/2025683 Capital Management LLC1,445,000$9.06M0.6%+41.0%2.070%
5/15/2025 Propel Bio Management LLC1,134,927$7.12M8.3%+14.6%1.626%
5/15/2025 Trexquant Investment LP398,751$2.50M0.0%+5.3%0.571%
5/14/2025Wellington Management Group LLP200,690$1.26M0.0%+47.6%0.287%
5/13/2025 Russell Investments Group Ltd.41,799$262K0.0%N/A0.060%
5/12/2025 Nuveen LLC101,520$637K0.0%N/A0.145%
5/12/2025 Invesco Ltd.3,650,812$22.89M0.0%-0.6%5.229%
5/9/2025 Charles Schwab Investment Management Inc.348,035$2.18M0.0%-1.4%0.499%
5/8/2025 US Bancorp DE23,763$149K0.0%+248.1%0.034%
5/8/2025 XTX Topco Ltd90,191$565K0.0%N/A0.129%
5/7/2025 Corton Capital Inc.18,384$115K0.4%N/A0.026%
5/5/2025 Jennison Associates LLC7,042,325$44.16M0.0%-0.3%10.111%
5/1/2025 CWM LLC7,384$46K0.0%+20,997.1%0.011%
4/29/2025 Bank of New York Mellon Corp114,535$718K0.0%+11.5%0.164%
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4/7/2025 GAMMA Investing LLC4,558$29K0.0%+797.2%0.007%
4/2/2025 Kera Capital Partners Inc.29,849$187K0.1%+11.2%0.043%
3/24/2025Wellington Management Group LLP135,995$1.10M0.0%-21.6%0.195%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC117,803$957K0.0%+20.2%0.172%
2/17/2025Woodline Partners LP1,001,692$8.13M0.1%-61.1%1.465%
2/17/2025Two Sigma Advisers LP133,700$1.09M0.0%N/A0.196%
2/17/2025Two Sigma Investments LP485,790$3.95M0.0%+215.4%0.710%
2/17/2025Tang Capital Management LLC500,000$4.06M0.3%N/A0.731%
2/17/2025Rafferty Asset Management LLC11,113$90K0.0%N/A0.016%
2/17/2025 ProShare Advisors LLC14,289$116K0.0%+36.3%0.021%
2/17/2025Nuveen Asset Management LLC147,523$1.20M0.0%-4.4%0.216%
2/17/2025Numerai GP LLC15,264$124K0.0%-69.1%0.022%
2/17/2025Millennium Management LLC59,991$487K0.0%+82.2%0.088%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,149$180K0.0%+18.2%0.032%
2/17/2025 Ensign Peak Advisors Inc2,527,054$20.52M0.0%-2.1%3.696%
2/17/2025 Deutsche Bank AG30,213$245K0.0%+49.4%0.044%
2/17/2025Cubist Systematic Strategies LLC282,553$2.29M0.0%N/A0.413%
2/17/2025 Catalys Pacific LLC1,167,114$9.48M8.2%+4.0%1.707%
2/17/2025Brevan Howard Capital Management LP22,845$186K0.0%N/A0.033%
2/17/2025Avidity Partners Management LP1,390,100$11.29M1.1%-23.0%2.033%
2/17/2025Bayesian Capital Management LP14,900$121K0.0%N/A0.022%
2/17/2025Bank of America Corp DE166,505$1.35M0.0%+60.4%0.243%
2/17/2025BNP Paribas Financial Markets39,532$321K0.0%N/A0.058%
2/17/2025683 Capital Management LLC1,025,000$8.32M0.5%+1.5%1.499%
2/14/2025Oracle Investment Management Inc.145,064$1.18M0.6%-84.6%0.212%
2/14/2025 Northern Trust Corp397,964$3.23M0.0%+24.1%0.582%
2/14/2025Tudor Investment Corp ET AL34,049$276K0.0%-6.4%0.050%
2/14/2025 Decheng Capital LLC694,254$5.64M1.2%-44.5%1.015%
2/14/2025 Propel Bio Management LLC989,927$8.04M8.0%+13.8%1.448%
2/14/2025 Virtus ETF Advisers LLC43,789$356K0.1%+45.6%0.064%
2/14/2025Gilder Gagnon Howe & Co. LLC41,610$338K0.0%-97.4%0.061%
2/14/2025Nebula Research & Development LLC20,963$170K0.0%N/A0.031%
2/14/2025Price T Rowe Associates Inc. MD25,641$209K0.0%+21.8%0.037%
2/14/2025Dark Forest Capital Management LP32,029$260K0.0%N/A0.047%
2/14/2025 MetLife Investment Management LLC24,366$198K0.0%+28.0%0.036%
2/13/2025Canada Pension Plan Investment Board15,400$125K0.0%N/A0.023%
2/13/2025 Marshall Wace LLP98,068$796K0.0%N/A0.143%
2/13/2025Wasatch Advisors LP1,558,928$12.66M0.1%+531.3%2.280%
2/13/2025 Barclays PLC76,463$621K0.0%+32.3%0.112%
2/13/2025Summit Financial Wealth Advisors LLC68,125$553K0.1%+134.7%0.100%
2/13/2025Raymond James Financial Inc.455,837$3.70M0.0%N/A0.667%
2/13/2025 Capula Management Ltd16,083$131K0.0%N/A0.024%
2/13/2025 Invesco Ltd.3,671,386$29.81M0.0%-10.4%5.369%
2/13/2025 Aristides Capital LLC25,200$205K0.0%N/A0.037%
2/13/2025Wells Fargo & Company MN25,516$207K0.0%+41.3%0.037%
2/12/2025 Trexquant Investment LP378,637$3.08M0.0%N/A0.554%
2/12/2025 Geode Capital Management LLC1,018,495$8.27M0.0%+18.0%1.489%
2/12/2025Alliancebernstein L.P.45,590$370K0.0%-9.0%0.067%
2/12/2025Wellington Management Group LLP135,995$1.10M0.0%-21.6%0.199%
2/11/2025 Prudential Financial Inc.463,340$3.76M0.0%+11.6%0.678%
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2/11/2025 Vanguard Group Inc.2,779,561$22.57M0.0%+3.1%4.065%
2/11/2025 Simplify Asset Management Inc.581,935$4.73M0.2%+11.5%0.851%
2/11/2025 KLP Kapitalforvaltning AS9,100$74K0.0%N/A0.013%
2/11/2025 Virtu Financial LLC13,424$109K0.0%N/A0.020%
2/11/2025 Teacher Retirement System of Texas11,065$90K0.0%N/A0.016%
2/10/2025 Commonwealth Equity Services LLC50,772$412K0.0%+387.7%0.074%
2/6/2025Raymond James Financial Inc.455,837$3.70M0.0%N/A0.667%
2/6/2025 Keybank National Association OH25,512$207K0.0%+41.4%0.037%
2/6/2025 Charles Schwab Investment Management Inc.353,038$2.87M0.0%+20.5%0.516%
2/5/2025 Versor Investments LP12,400$101K0.0%N/A0.018%
(Data available from 1/1/2016 forward)

PHAT Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of PHAT shares?

During the previous two years, 121 institutional investors and hedge funds held shares of Phathom Pharmaceuticals. The most heavily invested institutionals were Medicxi Ventures Management Jersey Ltd ($79.27M), Jennison Associates LLC ($44.16M), Invesco Ltd. ($39.70M), Portolan Capital Management LLC ($30.74M), Checkpoint Capital L.P. ($27.20M), Ensign Peak Advisors Inc ($24.17M), and FMR LLC ($23.58M).Learn more on Phathom Pharmaceuticals' institutional investors.

What percentage of Phathom Pharmaceuticals' stock is owned by institutional investors?

99.01% of Phathom Pharmaceuticals' stock is owned by institutional investors. Learn more on PHAT's institutional investor holdings.

Which institutional investors have been buying Phathom Pharmaceuticals' stock?

Of the 105 institutional investors that purchased Phathom Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Jennison Associates LLC ($5.95M), Medicxi Ventures Management Jersey Ltd ($3.70M), Wasatch Advisors LP ($1.56M), FMR LLC ($1.30M), Kennedy Capital Management LLC ($1.06M), Raymond James Financial Inc. ($914.85K), and Decheng Capital LLC ($850K).

How much institutional buying is happening at Phathom Pharmaceuticals?

Institutional investors have bought a total of 15,490,451 shares in the last 24 months. This purchase volume represents approximately $191.53M in transactions.

Which of Phathom Pharmaceuticals' major shareholders have been selling company stock?

Of the 25 institutional investors that sold Phathom Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Woodline Partners LP ($1.82M), Gilder Gagnon Howe & Co. LLC ($1.58M), Oracle Investment Management Inc. ($797.12K), Decheng Capital LLC ($555.75K), Goldman Sachs Group Inc. ($448.78K), Invesco Ltd. ($445.95K), and Avidity Partners Management LP ($414.39K).

How much institutional selling is happening at Phathom Pharmaceuticals?

Institutional investors have sold a total of 6,728,919 shares in the last 24 months. This volume of shares sold represents approximately $54.73M in transactions.


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This page (NASDAQ:PHAT) was last updated on 8/15/2025 by MarketBeat.com Staff
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