Simcoe Capital Management Invests in Mesa Laboratories

Hedge fund takes stake in medical instruments supplier

Mar. 14, 2026 at 10:06am

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Simcoe Capital Management LLC purchased a new stake of 190,929 shares in Mesa Laboratories, Inc. (NASDAQ:MLAB), a medical instruments supplier, in the 3rd quarter. The investment is valued at approximately $12.8 million, making Mesa Laboratories Simcoe's 14th largest holding and representing about 3.47% ownership of the company.

Why it matters

This investment highlights the growing interest in Mesa Laboratories from institutional investors. As a supplier of critical instrumentation for industries like healthcare and energy, Mesa Laboratories has seen increased demand for its products, which has driven its stock price higher over the past year.

The details

According to a recent SEC filing, Simcoe Capital Management acquired the stake in Mesa Laboratories during the third quarter of 2025. The investment represents about 1.9% of Simcoe's overall portfolio. Mesa Laboratories is a global provider of instrumentation products used for critical process monitoring, testing and calibration across various industries.

  • Simcoe Capital Management purchased the stake in Mesa Laboratories during the 3rd quarter of 2025.

The players

Simcoe Capital Management LLC

An investment management firm that purchased a new stake in Mesa Laboratories, Inc.

Mesa Laboratories, Inc.

A global provider of instrumentation products for critical process monitoring, testing and calibration across industries like healthcare, pharmaceutical, and energy.

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The takeaway

This investment by Simcoe Capital Management underscores the market's positive view on Mesa Laboratories' growth prospects as a supplier of essential instrumentation products across multiple industries. The stake represents a sizable position for Simcoe, indicating their confidence in Mesa's long-term potential.