Baron

Baron Health Care Fund

US Large-cap Healthcare

Dec 2024 → Sep 2026

Our archive holds 9 letters from this strategy, behind 52 investment theses and positions in 50 companies. Every quote below is copied verbatim from the letter it came from.

9 letters in 3 years · follow all of Baron for every strategy.

Performance

as of Sep 30, 2026 · net of fees · USD · Institutional Shares

  • YTD
    +8.4%
    index +11.6%
  • 1Y
    +22.6%
    index +24.9%
  • 3Y · /yr
    +9.3%
    index +12.3%
  • 5Y · /yr
    +1.8%
    index +6.5%
  • Inception · /yr
    +10.8%
    index +10.5%

Index: Russell 3000 Health Care Index

Since inception: Since Inception (4/30/2018)

Disclaimer

These figures are copied from the manager’s latest letter, as of Sep 30, 2026. They were extracted automatically, have not been verified by HF Best Ideas and may contain errors. They cover a single share class, in the currency and fee basis stated above; other share classes and your own returns will differ. This is not investment advice, nor an offer to buy or sell any fund. Past performance does not predict future returns.

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What it bought and sold

  • We sold Madrigal Pharmaceuticals, Inc. to manage risk ahead of a competitor’s clinical trial readout.
  • New positionBiogen Inc.Sep 2026
    We initiated a position in Biogen Inc., a neuroscience and immunology-focused biopharmaceutical company that we believe is in the early stages of a transformation.
  • TrimmedAstraZeneca PLCSep 2026
    We sold AstraZeneca PLC for the reasons discussed earlier.
  • New positionHumana Inc.Sep 2026
    We initiated a position in Humana Inc., the largest pure-play Medicare Advantage insurer in the U.S., because we believe the stock offers compelling margin recovery opportunities.
  • TrimmedBillionToOne, Inc.Sep 2026
    We reduced the positions in BillionToOne, Inc. and RadNet, Inc. due to valuation, though we maintain conviction in both companies.
  • TrimmedRadNet, Inc.Sep 2026
    We reduced the positions in BillionToOne, Inc. and RadNet, Inc. due to valuation, though we maintain conviction in both companies.
  • AddedMerck & Co., Inc.Sep 2026
    We added to positions in Johnson & Johnson (J&J), Merck & Co., Inc., and Vertex Pharmaceuticals Incorporated.
  • We added to positions in Johnson & Johnson (J&J), Merck & Co., Inc., and Vertex Pharmaceuticals Incorporated.
  • ExitedXenon Pharmaceuticals Inc.Sep 2026
    We chose to exit our position.
  • TrimmedGilead Sciences, Inc.Sep 2026
    We sold Gilead Sciences, Inc. because of concerns about slowing growth of key growth driver Yeztugo.
  • AddedJohnson & JohnsonSep 2026
    We added to positions in Johnson & Johnson (J&J), Merck & Co., Inc., and Vertex Pharmaceuticals Incorporated.
  • New positionSartorius Stedim Biotech S.A.Jun 2026
    We established a new position in Sartorius Stedim Biotech S.A. , which supplies equipment and reagents to biopharmaceutical companies for the production of biologic drugs.
  • We added to our position in Mettler-Toledo International Inc ., a company we have owned in the Fund since inception.
  • We sold Apogee Therapeutics, Inc. and Terns Pharmaceuticals, Inc. following announcements that they were being acquired, Apogee by AbbVie Inc. and Terns by Merck & Co., Inc. , another Fund holding .
  • We reduced our positions in AstraZeneca PLC and Ionis Pharmaceuticals, Inc. due to valuation.
  • We sold Apogee Therapeutics, Inc. and Terns Pharmaceuticals, Inc. following announcements that they were being acquired, Apogee by AbbVie Inc. and Terns by Merck & Co., Inc. , another Fund holding .
  • We reestablished positions in UnitedHealth and Elevance during the quarter as discussed below in the Recent Activity section.
  • ExitedStryker CorporationJun 2026
    We sold Stryker Corporation because of concerns about slowing hospital inpatient trends and hospital capex spending due to expiration of the ACA subsidies and stricter Medicaid eligibility requirements.
  • We added to our position in Revolution Medicines, Inc. , a biotechnology company developing medicines to treat cancers driven by rat sarcoma (RAS) mutations.
  • TrimmedAstraZeneca PLCJun 2026
    We reduced our positions in AstraZeneca PLC and Ionis Pharmaceuticals, Inc. due to valuation.
  • We reestablished positions in UnitedHealth and Elevance during the quarter as discussed below in the Recent Activity section.

Also held

Its investment theses

Every letter