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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
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  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

5 Must-Read Analyst Questions From Sotera Health Company’s Q2 Earnings Call

SHC Cover Image

Sotera Health’s second quarter performance was met with a significant positive market reaction, underpinned by strength in its Sterigenics and Nelson Labs segments. Management attributed the quarter’s outperformance to robust volume and pricing in sterilization services, as well as continued efficiency gains in laboratory testing. CEO Michael Petras pointed to "growing momentum across our core businesses," highlighting both increased customer demand and successful optimization initiatives within Nelson Labs. The company’s deliberate focus on operational improvements and capacity expansion were key themes discussed during the call.

Is now the time to buy SHC? Find out in our full research report (it’s free).

Sotera Health Company (SHC) Q2 CY2025 Highlights:

  • Revenue: $294.3 million vs analyst estimates of $275.6 million (6.4% year-on-year growth, 6.8% beat)
  • Adjusted EPS: $0.20 vs analyst estimates of $0.17 (15.9% beat)
  • Adjusted EBITDA: $150.7 million vs analyst estimates of $137.2 million (51.2% margin, 9.8% beat)
  • Management raised its full-year Adjusted EPS guidance to $0.78 at the midpoint, a 7.5% increase
  • Operating Margin: 30%, up from 27.8% in the same quarter last year
  • Organic Revenue rose 6.2% year on year vs analyst estimates of flat growth (612.7 basis point beat)
  • Market Capitalization: $4.48 billion

While we enjoy listening to the management's commentary, our favorite part of earnings calls are the analyst questions. Those are unscripted and can often highlight topics that management teams would rather avoid or topics where the answer is complicated. Here is what has caught our attention.

Our Top 5 Analyst Questions From Sotera Health Company’s Q2 Earnings Call

  • Patrick Donnelly (Citi) asked if Sterigenics’ strong performance reflected any customer pull-forward due to tariff concerns. CEO Michael Petras said there was no material pull-in, attributing growth to consistent volume progression and capacity expansion.
  • Brett Fishbin (KeyBanc) questioned the drivers behind Nelson Labs’ margin improvement. Petras detailed that labor productivity and a favorable service mix, especially increased core lab testing, were key factors with no incremental optimization actions in the quarter.
  • Luke Sergott (Barclays) asked how much further margin expansion Nelson Labs could achieve. Petras responded that margins are now at the low to mid-30s percent range, consistent with management’s long-term expectations.
  • Jason Bednar (Piper Sandler) inquired about the impact of medtech supply chain shifts on Sterigenics. Petras indicated ongoing discussions with customers but no significant volume impact yet, noting the company’s strong U.S. capacity positioning.
  • Casey Woodring (JPMorgan) asked about the outlook for Nelson Labs in 2026 after a return to growth is expected in Q4. Petras declined to provide detailed 2026 guidance but emphasized a focus on core lab volume and ongoing regulatory compliance.

Catalysts in Upcoming Quarters

In the coming quarters, the StockStory team will be tracking (1) the pace of Sterigenics capacity additions and their impact on volume growth, (2) Nelson Labs’ ability to sustain margin improvements as core testing volumes recover and regulatory developments unfold, and (3) the progress of emissions control investments in response to evolving ethylene oxide regulations. We will also monitor how disciplined capital deployment and leverage reduction initiatives influence free cash flow generation.

Sotera Health Company currently trades at $15.50, up from $11.24 just before the earnings. In the wake of this quarter, is it a buy or sell? See for yourself in our full research report (it’s free).

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