1 Main Capital on Its Core Holding: Limbach Holdings (LMB)

1 Main Capital, a boutique investment firm, released its fourth-quarter 2025 investor letter. A copy of the letter can be downloaded here. The fund returned 3.4% net in the fourth quarter compared to 2.7% and 2.2% returns for the S&P 500 and Russell 2000 indexes, respectively. Since inception, the Fund’s annualized return stands at 20.8% compared to 13.7% and 7.3% for the indexes, respectively. 1MC aims for strong long-term performance while minimizing excess risk. The Portfolio’s performance since inception shows steady progress and supports its strategy. In addition, you can check the Fund’s top 5 holdings to find out its best picks for 2025.

In its fourth-quarter 2025 investor letter, 1 Main Capital highlighted stocks like Limbach Holdings, Inc. (NASDAQ:LMB). Limbach Holdings, Inc. (NASDAQ:LMB) is a US-based building systems solution company. The one-month return for Limbach Holdings, Inc. (NASDAQ:LMB) was 5.18%, and its shares lost 10.84% over the last 52 weeks. On January 26, 2026, Limbach Holdings, Inc. (NASDAQ:LMB) stock closed at $82.18 per share, with a market capitalization of $955.492 million.

1 Main Capital stated the following regarding Limbach Holdings, Inc. (NASDAQ:LMB) in its fourth quarter 2025 investor letter:

“Limbach Holdings, Inc. (NASDAQ:LMB) was the Fund’s top contributor in 2020 and 2023 and has been our most lucrative investment since inception. In Q4, I added significantly to our position, once again making it a core holding for the Fund, after its shares declined 55% from their 2025 high due to concerns around a temporary demand slowdown in Q2 and Q3, largely driven by uncertainty surrounding the 2025 government shutdown.

As a reminder, LMB is a leading building systems solution firm that partners with owners of mission-critical infrastructure to offer design, engineering, maintenance, and repair services. The company specializes in mechanical, electrical, and plumbing systems for customers in six core verticals: healthcare, industrial/manufacturing, data centers, life sciences, higher education, and entertainment…” (Click here to read the full text)

Limbach Holdings, Inc. (NASDAQ:LMB) is not on our list of 30 Most Popular Stocks Among Hedge Funds. As per our database, 23 hedge fund portfolios held Limbach Holdings, Inc. (NASDAQ:LMB) at the end of the third quarter, which was 19 in the previous quarter. While we acknowledge the risk and potential of Limbach Holdings, Inc. (NASDAQ:LMB) as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than Limbach Holdings, Inc. (NASDAQ:LMB) and that has 10,000% upside potential, check out our report about this cheapest AI stock.

In another article, we covered Limbach Holdings, Inc. (NASDAQ:LMB) and shared Wasatch Micro-Cap Fund’s views on the company in the previous quarter. In addition, please check out our hedge fund investor letters Q4 2025 page for more investor letters from hedge funds and other leading investors.

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Disclosure: None. This article is originally published at Insider Monkey.