Foster L B (FSTR) Operating Margin (2010 - 2026)
Foster L B's (FSTR) quarterly Operating Margin came in at 4.44% in Q2 2026, down 91.0% on a YoY basis from 49.33% in Q2 2025, and up 163.0% quarter-over-quarter from 1.69% in Q1 2026.
Foster L B (FSTR) Operating Margin (2010 - 2026) Analysis & Trends
Foster L B (FSTR) has reported Operating Margin for 17 consecutive years, with 4.44% the latest figure, recorded in Q2 2026.
- For the quarter ending Q2 2026, Operating Margin fell 91.0% year-over-year to 4.44%; the trailing twelve-month figure through Jun 2026 stood at 4.36% (up 118.0% YoY), and the FY2025 full-year result was 4.05%, up 19.0% from the prior year.
- Operating Margin advanced to 4.44% in Q2 2026 per FSTR's latest filing, from 1.69% in the prior quarter.
- Across five years, Operating Margin topped out at 6.0% in Q3 2025 and bottomed at 4.58% in Q4 2022.
- Historically, Operating Margin has averaged 2.01% across 5 years, with a median of 2.13% in 2024.
- The sharpest annual moves came in 2023 and 2025: Operating Margin surged 476 bps in 2023, then slumped 644 bps in 2025.
- Over 5 years, Operating Margin stood at 4.58% in 2022, then surged by 104 bps to 0.19% in 2023, then soared by 1179 bps to 2.38% in 2024, then soared by 105 bps to 4.89% in 2025, then slipped by 9 bps to 4.44% in 2026.
- According to Business Quant data, Operating Margin over the past three periods registered 4.44%, 1.69%, and 4.89% for Q2 2026, Q1 2026, and Q4 2025 respectively.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Westinghouse Air Brake Technologies | 47.94 Bn | 47.30 Bn | 1.16 Bn | 18.87% |
| 2 | Gatx | 6.37 Bn | 7.18 Bn | 555.30 Mn | 23.38% |
| 3 | Trinity Industries | 2.22 Bn | 2.07 Bn | 109.90 Mn | 41.19% |
| 4 | Triton International | 1.41 Bn | 1.41 Bn | 622,000.00 | 840.95% |
| 5 | Greenbrier Companies | 1.30 Bn | 1.15 Bn | 81.10 Mn | 5.53% |
| 6 | Foster L B | 387.55 Mn | 382.66 Mn | 30.87 Mn | 4.44% |
| 7 | FreightCar America | 240.12 Mn | 175.82 Mn | - | - |
| 8 | GenFlat Holdings | 32.89 Mn | 28.89 Mn | -32,922.00 | - |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 4.44% |
| Mar 31, 2026 | 1.69% |
| Dec 31, 2025 | 4.89% |
| Sep 30, 2025 | 6.00% |
| Jun 30, 2025 | 5.35% |
| Mar 31, 2025 | -1.97% |
| Dec 31, 2024 | 2.38% |
| Sep 30, 2024 | 5.33% |
| Jun 30, 2024 | 3.25% |
| Mar 31, 2024 | 4.48% |
| Dec 31, 2023 | 0.19% |
| Sep 30, 2023 | 1.11% |
| Jun 30, 2023 | 4.54% |
| Mar 31, 2023 | 0.45% |
| Dec 31, 2022 | -4.58% |
| Sep 30, 2022 | -0.86% |
| Jun 30, 2022 | 1.89% |
| Mar 31, 2022 | -2.31% |
| Dec 31, 2021 | -0.49% |
| Sep 30, 2021 | 0.58% |
Foster L B Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=FSTR&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "FSTR", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=FSTR&period=max&api_key=YOUR_API_KEY");
const data = await res.json();