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Side-by-side financial comparison of PLEXUS CORP (PLXS) and SEI INVESTMENTS CO (SEIC). Click either name above to swap in a different company.
PLEXUS CORP is the larger business by last-quarter revenue ($944.6M vs $622.2M, roughly 1.5× SEI INVESTMENTS CO). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs 4.3%, a 23.8% gap on every dollar of revenue. On growth, SEI INVESTMENTS CO posted the faster year-over-year revenue change (13.0% vs -18.1%). Over the past eight quarters, SEI INVESTMENTS CO's revenue compounded faster (9.5% CAGR vs 5.9%).
Plex Systems, Inc. is an American software company based in Troy, Michigan. The company develops and markets the Plex Manufacturing Cloud, a software as a service (SaaS) or cloud computing ERP for manufacturing.
SEI Investments Company, formerly Simulated Environments Inc., is a financial services company headquartered in Oaks, Pennsylvania, United States. SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients. Through its subsidiaries and partnerships in which the company has significant interests, SEI manages, advises or administers $1 trillion in hedge funds, private equity, mutual funds and pooled or separately managed asse...
PLXS vs SEIC — Head-to-Head
Income Statement — Q4 FY2023 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $944.6M | $622.2M |
| Net Profit | $40.3M | $174.5M |
| Gross Margin | 10.2% | — |
| Operating Margin | 5.6% | 30.5% |
| Net Margin | 4.3% | 28.0% |
| Revenue YoY | -18.1% | 13.0% |
| Net Profit YoY | -20.2% | 15.0% |
| EPS (diluted) | $1.45 | $1.40 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | — | $622.2M | ||
| Q4 25 | — | $607.9M | ||
| Q3 25 | — | $578.5M | ||
| Q2 25 | — | $559.6M | ||
| Q1 25 | — | $551.3M | ||
| Q4 24 | — | $557.2M | ||
| Q3 24 | — | $537.4M | ||
| Q2 24 | — | $519.0M |
| Q1 26 | — | $174.5M | ||
| Q4 25 | — | $172.5M | ||
| Q3 25 | — | $164.2M | ||
| Q2 25 | — | $227.1M | ||
| Q1 25 | — | $151.5M | ||
| Q4 24 | — | $155.8M | ||
| Q3 24 | — | $154.9M | ||
| Q2 24 | — | $139.1M |
| Q1 26 | — | — | ||
| Q4 25 | — | 36.8% | ||
| Q3 25 | — | 35.0% | ||
| Q2 25 | — | 33.8% | ||
| Q1 25 | — | 34.9% | ||
| Q4 24 | — | 33.1% | ||
| Q3 24 | — | 33.8% | ||
| Q2 24 | — | 32.7% |
| Q1 26 | — | 30.5% | ||
| Q4 25 | — | 26.6% | ||
| Q3 25 | — | 27.7% | ||
| Q2 25 | — | 26.6% | ||
| Q1 25 | — | 28.5% | ||
| Q4 24 | — | 26.1% | ||
| Q3 24 | — | 26.8% | ||
| Q2 24 | — | 26.3% |
| Q1 26 | — | 28.0% | ||
| Q4 25 | — | 28.4% | ||
| Q3 25 | — | 28.4% | ||
| Q2 25 | — | 40.6% | ||
| Q1 25 | — | 27.5% | ||
| Q4 24 | — | 28.0% | ||
| Q3 24 | — | 28.8% | ||
| Q2 24 | — | 26.8% |
| Q1 26 | — | $1.40 | ||
| Q4 25 | — | $1.38 | ||
| Q3 25 | — | $1.30 | ||
| Q2 25 | — | $1.78 | ||
| Q1 25 | — | $1.17 | ||
| Q4 24 | — | $1.18 | ||
| Q3 24 | — | $1.19 | ||
| Q2 24 | — | $1.05 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $256.2M | $363.1M |
| Total DebtLower is stronger | — | $32.4M |
| Stockholders' EquityBook value | $1.2B | $2.5B |
| Total Assets | $3.3B | $3.3B |
| Debt / EquityLower = less leverage | — | 0.01× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $363.1M | ||
| Q4 25 | — | $399.8M | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | $710.7M | ||
| Q4 24 | — | $839.9M | ||
| Q3 24 | — | $901.1M | ||
| Q2 24 | — | $768.3M |
| Q1 26 | — | $32.4M | ||
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
| Q1 26 | — | $2.5B | ||
| Q4 25 | — | $2.4B | ||
| Q3 25 | — | $2.4B | ||
| Q2 25 | — | $2.3B | ||
| Q1 25 | — | $2.3B | ||
| Q4 24 | — | $2.3B | ||
| Q3 24 | — | $2.4B | ||
| Q2 24 | — | $2.2B |
| Q1 26 | — | $3.3B | ||
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | $2.6B | ||
| Q1 25 | — | $2.6B | ||
| Q4 24 | — | $2.7B | ||
| Q3 24 | — | $2.7B | ||
| Q2 24 | — | $2.5B |
| Q1 26 | — | 0.01× | ||
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $165.8M | — |
| Free Cash FlowOCF − Capex | $61.8M | — |
| FCF MarginFCF / Revenue | 6.5% | — |
| Capex IntensityCapex / Revenue | 11.0% | — |
| Cash ConversionOCF / Net Profit | 4.12× | — |
| TTM Free Cash FlowTrailing 4 quarters | $58.0M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | — | $126.4M | ||
| Q3 25 | — | $238.3M | ||
| Q2 25 | — | $96.5M | ||
| Q1 25 | — | $146.5M | ||
| Q4 24 | — | $195.3M | ||
| Q3 24 | — | $200.0M | ||
| Q2 24 | — | $114.7M |
| Q1 26 | — | — | ||
| Q4 25 | — | $124.8M | ||
| Q3 25 | — | $229.6M | ||
| Q2 25 | — | $92.7M | ||
| Q1 25 | — | $137.8M | ||
| Q4 24 | — | $190.2M | ||
| Q3 24 | — | $193.7M | ||
| Q2 24 | — | $107.0M |
| Q1 26 | — | — | ||
| Q4 25 | — | 20.5% | ||
| Q3 25 | — | 39.7% | ||
| Q2 25 | — | 16.6% | ||
| Q1 25 | — | 25.0% | ||
| Q4 24 | — | 34.1% | ||
| Q3 24 | — | 36.0% | ||
| Q2 24 | — | 20.6% |
| Q1 26 | — | — | ||
| Q4 25 | — | 0.3% | ||
| Q3 25 | — | 1.5% | ||
| Q2 25 | — | 0.7% | ||
| Q1 25 | — | 1.6% | ||
| Q4 24 | — | 0.9% | ||
| Q3 24 | — | 1.2% | ||
| Q2 24 | — | 1.5% |
| Q1 26 | — | — | ||
| Q4 25 | — | 0.73× | ||
| Q3 25 | — | 1.45× | ||
| Q2 25 | — | 0.43× | ||
| Q1 25 | — | 0.97× | ||
| Q4 24 | — | 1.25× | ||
| Q3 24 | — | 1.29× | ||
| Q2 24 | — | 0.82× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
PLXS
| MX | $556.5M | 59% |
| Aerospace Defense | $281.6M | 30% |
| GB | $98.3M | 10% |
| TH | $15.0M | 2% |
SEIC
Segment breakdown not available.
