Brown Advisory

Brown Advisory Small-Cap Growth Strategy

Small-cap Growth

Mar 2025 → Sep 2026

Our archive holds 5 letters from this strategy, behind 11 investment theses and positions in 43 companies. Every quote below is copied verbatim from the letter it came from.

5 letters in 2 years · follow all of Brown Advisory for every strategy.

Performance

as of Sep 30, 2026 · net of fees · USD · Composite Net

  • YTD
    +11.7%
    index +10.7%
  • 1Y
    +13.5%
    index +12.1%
  • 3Y · /yr
    +9.4%
    index +17.6%
  • 5Y · /yr
    +1.6%
    index +4.7%
  • 10Y · /yr
    +8.6%
    index +9.9%
  • Inception · /yr
    +8.4%
    index +8.2%

Index: Russell 2000 Growth Index

Calendar years

  • 2025
    +2.3%
    index +13.0%
  • 2024
    +4.7%
    index +15.2%
  • 2023
    +12.5%
    index +18.7%
  • 2022
    −20.4%
    index −26.4%
  • 2021
    +7.7%
    index +2.8%
  • 2020
    +32.2%
    index +34.6%
  • 2019
    +34.3%
    index +28.5%
  • 2018
    −4.3%
    index −9.3%
  • 2017
    +17.7%
    index +22.2%
  • 2016
    +10.3%
    index +11.3%

Since inception: ITD (02/26/1993)

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

  • New positionBalchem CorpSep 2026
    We believe Balchem Corp (BCPC) is well positioned with dominant positions in some health and medical end market niches that lend themselves to consistent growth and cash conversion.
  • New positionCAVA Group, Inc.Sep 2026
    We initiated a position in CAVA Group, Inc. (CAVA) following a ~30% decline in the stock price as the entire restaurant sector sold off on macro and geopolitical concerns.
  • New positionAmbarella, Inc.Sep 2026
    We initiated a position in Ambarella (AMBA), believing that the stock was attractively priced in an environment where their tech is becoming structurally more important over the next few years.
  • New positionBioventus Inc.Sep 2026
    Bioventus, Inc. Class A (BVS) is a niche medical technology company focused on musculoskeletal pain relief and active healing, with products that help improve recovery, restore mobility, and provide non-opioid alternatives to pain management.
  • The sale of DigitalBridge (DBRG) to SoftBank was completed.
  • We took meaningful profits in names like Si-Time Corporation (SITM), Curtiss-Wright Corporation (CW), Lattice Semiconductor Corporation (LSCC), BWX Technologies, Inc. (BWXT), and others earlier in the year
  • TrimmedBWX Technologies, Inc.Sep 2026
    We took meaningful profits in names like Si-Time Corporation (SITM), Curtiss-Wright Corporation (CW), Lattice Semiconductor Corporation (LSCC), BWX Technologies, Inc. (BWXT), and others earlier in the year
  • TrimmedWoodward, Inc.Sep 2026
    We sold our shares in Woodward, Inc. (WWD) based on valuation, with an increasingly rosy picture of both commercial aerospace demand and AI-led gas turbine demand being baked into expectations.
  • Bright Horizons Family Solutions, Inc. (BFAM) continues to struggle getting back to pre-COVID-19 utilization rates and we exited the position to fund higher conviction ideas.
  • We took meaningful profits in names like Si-Time Corporation (SITM), Curtiss-Wright Corporation (CW), Lattice Semiconductor Corporation (LSCC), BWX Technologies, Inc. (BWXT), and others earlier in the year
  • New positionEnerSysSep 2026
    EnerSys (ENS) designs, manufactures, and services industrial batteries, energy storage systems, power electronics, charging equipment, and related software that help customers maintain reliable power in demanding operating environments.
  • ExitedQXO, Inc.Sep 2026
    We exited our position in QXO, Inc. (QXO) following the acquisition of TopBuild.
  • ExitedMister Car Wash, Inc.Jun 2026
    We exited Mister Car Wash, Inc. (MCW) following the news that it would be acquired.
  • New positionPlexus Corp.Jun 2026
    We initiated a position in Plexus Corp. (PLXS) as we view it as a differentiated, engineering-led EMS compounder shifting toward a higher- margin, stickier business mix, with accelerating demand across semi-cap, aerospace & defense, and space.
  • New positionArxis Inc.Jun 2026
    We bought shares of Arxis Inc (ARXS) in the company's initial public offering.
  • We exited Mirion Technologies Inc (MIR) with diminishing conviction in the management team's ability to execute on the nuclear opportunity set ahead of them and the recent pressure in their medical segment.
  • We had already sold much of our position in Mueller Water Products Inc (MWA) in 2025 and finished exiting this quarter.
  • New positionACV Auctions, Inc. Class AJun 2026
    We purchased ACV Auctions, Inc. Class A (ACVA) shares after a 40% YTD decline as unit growth decelerated on the 4Q25 print early in the year.
  • New positionQuantinuum Inc. Class AJun 2026
    We initiated a position in Quantinuum Inc (QNT) on the IPO with a view that they are best positioned to successfully scale their quantum computing systems over the next few years to solve novel problems for both government and commercial use cases.
  • We participated in the Lincoln International (LCLN) IPO.
  • ExitedOneStream, Inc. Class AMar 2026
    Hg Capital agreed to acquire OneStream, Inc. (OS) for a ~30% premium to where it was trading prior to the news.
  • ExitedLittelfuse, Inc.Mar 2026
    We exited our position in Littelfuse, Inc. (LFUS) following significant price appreciation to fund other ideas in the portfolio.
  • ExitedRentokil Initial plc Sponsored ADRMar 2026
    After strong price appreciation, we exited Rentokil Initial plc (RTO) on market cap considerations and to fund other ideas.
  • ExitedOnestream, Inc.Mar 2026
    We had two additional take-outs in the first quarter, Onestream, Inc. (OS) and Mister Car Wash, Inc. (MCW), both by private equity, which is an acknowledgment that many companies are trading below their intrinsic value today.

Also held

Its investment theses

Every letter