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Phathom Pharmaceuticals, Inc. hedge fund holdings

PHATNASDAQ
$6.70-0.22 (-3.18% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

PHAT · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-42.3%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20254757$77M$60M108Aug 14, 2025
Q3 20256030$90.8M$37.9M125Nov 14, 2025
Q4 20257345$82.4M$95.1M167Feb 14, 2026
Q1 20268561$121M$50.2M168May 15, 2026
Q2 20265767$60.6M$56.2M151Aug 14, 2026

Quarterly action breakdown

Q2 2026
151 filers
New position
14
$19.5M+1.8M sh
Increased
43
$41.1M+3.79M sh
Reduced
38
-$44.3M-4.08M sh
Out / sold
29
-$11.9M-1.1M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Ensign Peak Advisors, IncReduce 35.38%-$6.25M$11.4M0.02%Aug 14, 2026
Perceptive Advisors LLCReduce 42.49%-$4.26M$5.77M0.09%Aug 14, 2026
Avidity Partners Management LPReduce 59.90%-$3.24M$2.17M0.35%Aug 14, 2026
Susquehanna Portfolio Strategies, LLCSell 100%-$2.98M$00.00%Aug 14, 2026
Nomura Asset Management International Inc.Added 21.35%+$2.79M$15.9M0.02%Aug 14, 2026
Catalio Capital Management, LPSell 100%-$2.75M$00.00%Aug 14, 2026
Propel Bio Management, LLCAdded 24.85%+$2.27M$11.4M5.96%Aug 13, 2026
SummitTX Capital, L.P.Reduce 20.72%-$2.24M$8.57M0.22%Aug 14, 2026
Opaleye Management Inc.New Buy+$2.01M$2.01M0.18%Aug 14, 2026
Hennion & Walsh Asset Management, Inc.Added 124.27%+$1.97M$3.55M0.10%Jul 8, 2026
Jones Hill Capital LPNew Buy+$1.75M$1.75M0.37%Aug 13, 2026
Birchview Capital, LPReduce 71.79%-$1.52M$597K0.28%Aug 14, 2026
Schroder Investment Management GroupNew Buy+$1.11M$1.11M0.00%Aug 13, 2026
Freestone Grove Partners LPSell 100%-$940K$00.00%Aug 14, 2026
Hussman Strategic Advisors, Inc.Sell 100%-$933K$00.00%Aug 3, 2026
Burkehill Global Management, LPSell 100%-$833K$00.00%Aug 14, 2026
Diadema Partners LPAdded 137.79%+$817K$1.41M0.18%Aug 14, 2026
Virtus Investment Advisers, LLCAdded 93.39%+$588K$1.22M0.28%Aug 11, 2026
Gilder Gagnon Howe & Co LLCReduce 37.00%-$562K$956K0.01%Aug 14, 2026
Pale Fire Capital SENew Buy+$539K$539K0.04%Aug 13, 2026
VARCOV Co.Sell 100%-$435K$00.00%Aug 14, 2026
Stonepine Capital Management, LLCAdded 69.99%+$380K$922K0.52%Aug 17, 2026
Wasatch Advisors LPReduce 2.51%-$365K$14.2M0.09%Jul 10, 2026
Tocqueville Asset Management L.P.Reduce 65.91%-$252K$130K0.00%Aug 10, 2026
Persistent Asset Partners LtdAdded 78.07%+$227K$517K0.15%Aug 7, 2026
Wellington Management Group LLPAdded 18.37%+$223K$1.44M0.00%Aug 14, 2026
Fiduciary Trust CoAdded 97.77%+$192K$388K0.00%Aug 13, 2026
Bridgefront Capital, LLCSell 100%-$166K$00.00%Aug 14, 2026
Simplify Asset Management Inc.Reduce 5.00%-$142K$2.7M0.04%Jul 16, 2026
Quantinno Capital Management LPSell 100%-$128K$00.00%Aug 13, 2026
Primoris Wealth Advisors, LLCSell 100%-$127K$00.00%Jul 29, 2026
Campbell & CO Investment Adviser LLCAdded 10.86%+$73.1K$746K0.04%Aug 3, 2026
Fulcrum Asset Management LLPNew Buy+$48.5K$48.5K0.00%Aug 18, 2026
Summit Securities Group LLCSell 100%-$33.9K$00.00%Aug 3, 2026
Jain Global LLCReduce 9.99%-$19.8K$178K0.00%Aug 14, 2026
China Universal Asset Management Co., Ltd.Reduce 9.23%-$14K$138K0.01%Jul 24, 2026
Profund Advisors LLCAdded 4.81%+$8.6K$187K0.01%Aug 11, 2026
C M Bidwell & Associates LtdSell 100%-$6.56K$00.00%Aug 11, 2026
Aster Capital Management (DIFC) LtdNew Buy+$5.51K$5.51K0.00%Aug 14, 2026
Allstate CorpAdded 0.58%+$2.04K$357K0.00%Aug 13, 2026
Huntington National BankReduce 5.56%-$1.39K$23.6K0.00%Aug 13, 2026
Quarry LPNew Buy+$1.38K$1.38K0.00%Aug 14, 2026
Silver Grove Financial Group, Inc.New Buy+$879$8790.00%Aug 13, 2026
State of New Jersey Common Pension Fund DReduce 0.46%-$792$173K0.00%Aug 4, 2026
MassMutual Private Wealth & Trust, FSBReduce 6.97%-$347$4.63K0.00%Jul 2, 2026
Rachor Investment Advisory Services, LLCSell 100%-$278$00.00%Jul 16, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.Added 0.79%+$76$9.72K0.00%Aug 13, 2026
Hughes Financial Services, LLCSell 100%-$11$00.00%Jul 20, 2026

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